1
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Mohottalalage SS, Kosgallana C, Meedin S, O’Connor TC, Grest GS, Perahia D. Response of Sulfonated Polystyrene Melts to Nonlinear Elongation Flows. Macromolecules 2023. [DOI: 10.1021/acs.macromol.2c02326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Supun S. Mohottalalage
- Department of Chemistry, Clemson University, Clemson, South Carolina 29634, United States
| | - Chathurika Kosgallana
- Department of Chemistry, Clemson University, Clemson, South Carolina 29634, United States
| | - Shalika Meedin
- Department of Chemistry, Clemson University, Clemson, South Carolina 29634, United States
| | - Thomas C. O’Connor
- Department of Materials Science and Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Gary S. Grest
- Sandia National Laboratories, Albuquerque, New Mexico 87185, United States
| | - Dvora Perahia
- Department of Chemistry, Clemson University, Clemson, South Carolina 29634, United States
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2
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Irzhak VI, Uflyand IE, Dzhardimalieva GI. Self-Healing of Polymers and Polymer Composites. Polymers (Basel) 2022; 14:polym14245404. [PMID: 36559772 PMCID: PMC9784839 DOI: 10.3390/polym14245404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/23/2022] [Accepted: 12/07/2022] [Indexed: 12/14/2022] Open
Abstract
This review is devoted to the description of methods for the self-healing of polymers, polymer composites, and coatings. The self-healing of damages that occur during the operation of the corresponding structures makes it possible to extend the service life of the latter, and in this case, the problem of saving non-renewable resources is simultaneously solved. Two strategies are considered: (a) creating reversible crosslinks in the thermoplastic and (b) introducing a healing agent into cracks. Bond exchange reactions in network polymers (a) proceed as a dissociative process, in which crosslinks are split into their constituent reactive fragments with subsequent regeneration, or as an associative process, the limiting stage of which is the interaction of the reactive end group and the crosslink. The latter process is implemented in vitrimers. Strategy (b) is associated with the use of containers (hollow glass fibers, capsules, microvessels) that burst under the action of a crack. Particular attention is paid to self-healing processes in metallopolymer systems.
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Affiliation(s)
- Vadim I. Irzhak
- Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, 142432 Chernogolovka, Russia
| | - Igor E. Uflyand
- Department of Chemistry, Southern Federal University, 344090 Rostov-on-Don, Russia
| | - Gulzhian I. Dzhardimalieva
- Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, 142432 Chernogolovka, Russia
- Moscow Aviation Institute, National Research University, 125993 Moscow, Russia
- Correspondence:
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3
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Brás AR, Arizaga A, Sokolova D, Agirre U, Viciosa MT, Radulescu A, Prévost SF, Kruteva M, Pyckhout-Hintzen W, Schmidt AM. Influence of Polymer Polarity and Association Strength on the Properties of Poly(alkyl ether)-Based Supramolecular Melts. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Ana Rita Brás
- Institute of Physical Chemistry, University of Cologne, 50939Cologne, Germany
| | - Ana Arizaga
- Institute of Physical Chemistry, University of Cologne, 50939Cologne, Germany
| | - Daria Sokolova
- Institute of Physical Chemistry, University of Cologne, 50939Cologne, Germany
- Chemistry Department, University of Basel, BPR 1096/4058Basel, Schweiz
| | - Uxue Agirre
- Institute of Physical Chemistry, University of Cologne, 50939Cologne, Germany
| | - Maria Teresa Viciosa
- IN − Institute of Nanoscience and Nanotechnology, Instituto Superior Técnico, University of Lisbon, Avenida Rovisco Pais, 1049-001Lisbon, Portugal
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, University of Lisbon, Avenida Rovisco Pais, 1049-001, Lisbon, Portugal
| | - Aurel Radulescu
- Jülich Centre for Neutron Science (JCNS-1), Forschungszentrum Jülich GmbH, 52428Jülich, Germany
| | | | - Margarita Kruteva
- Jülich Centre for Neutron Science (JCNS-1), Forschungszentrum Jülich GmbH, 52428Jülich, Germany
| | - Wim Pyckhout-Hintzen
- Jülich Centre for Neutron Science (JCNS-1), Forschungszentrum Jülich GmbH, 52428Jülich, Germany
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4
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Ahmadi M, Jangizehi A, Seiffert S. Backbone Polarity Tunes Sticker Clustering in Hydrogen-Bonded Supramolecular Polymer Networks. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c00645] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Mostafa Ahmadi
- Department of Chemistry, Johannes Gutenberg University Mainz, Duesbergweg 10-14, 55128 Mainz, Germany
| | - Amir Jangizehi
- Department of Chemistry, Johannes Gutenberg University Mainz, Duesbergweg 10-14, 55128 Mainz, Germany
| | - Sebastian Seiffert
- Department of Chemistry, Johannes Gutenberg University Mainz, Duesbergweg 10-14, 55128 Mainz, Germany
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5
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Dookhith AZ, Lynd NA, Creton C, Sanoja GE. Controlling Architecture and Mechanical Properties of Polyether Networks with Organoaluminum Catalysts. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c00602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Aaliyah Z. Dookhith
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Nathaniel A. Lynd
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Costantino Creton
- Laboratoire Sciences et Ingénierie de la Matière Molle, ESPCI Paris, Université PSL, CNRS UMR 7615, Sorbonne Université, 75005 Paris, France
| | - Gabriel E. Sanoja
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
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6
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Kumari A, Vishwakarma S, Mitra K, Chen C, Cui S, Maiti B, Mondal S, Biswas CS, Maiti P, Stadler FJ, Ray B. Effect of
n
‐Alkyl Side Chain Length on the Thermal and Rheological Properties of Poly
N
‐(3‐(alkylamino)‐
N
‐(3‐(isopropylamino)‐3‐oxopropyl)acrylamide) Homopolymers. MACROMOL CHEM PHYS 2021. [DOI: 10.1002/macp.202100118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Archana Kumari
- Department of Chemistry Institute of Science Banaras Hindu University Varanasi Uttar Pradesh 221005 India
| | - Sambhav Vishwakarma
- Department of Chemistry Institute of Science Banaras Hindu University Varanasi Uttar Pradesh 221005 India
| | - Kheyanath Mitra
- Department of Chemistry Institute of Science Banaras Hindu University Varanasi Uttar Pradesh 221005 India
| | - Chuangbi Chen
- College of Materials Science and Engineering Shenzhen Key Laboratory of Polymer Science and Technology Guangdong Research Center for Interfacial Engineering of Functional Materials Nanshan District Key Laboratory for Biopolymers and Safety Evaluation Shenzhen University Shenzhen 518055 P. R. China
| | - Shuming Cui
- College of Materials Science and Engineering Shenzhen Key Laboratory of Polymer Science and Technology Guangdong Research Center for Interfacial Engineering of Functional Materials Nanshan District Key Laboratory for Biopolymers and Safety Evaluation Shenzhen University Shenzhen 518055 P. R. China
| | - Biswajit Maiti
- Department of Chemistry Institute of Science Banaras Hindu University Varanasi Uttar Pradesh 221005 India
| | - Sourov Mondal
- Department of Chemistry Institute of Science Banaras Hindu University Varanasi Uttar Pradesh 221005 India
| | - Chandra Sekhar Biswas
- College of Materials Science and Engineering Shenzhen Key Laboratory of Polymer Science and Technology Guangdong Research Center for Interfacial Engineering of Functional Materials Nanshan District Key Laboratory for Biopolymers and Safety Evaluation Shenzhen University Shenzhen 518055 P. R. China
| | - Pralay Maiti
- School of Material Science and Technology Indian Institute of Technology–Banaras Hindu University Varanasi Uttar Pradesh 221005 India
| | - Florian J. Stadler
- College of Materials Science and Engineering Shenzhen Key Laboratory of Polymer Science and Technology Guangdong Research Center for Interfacial Engineering of Functional Materials Nanshan District Key Laboratory for Biopolymers and Safety Evaluation Shenzhen University Shenzhen 518055 P. R. China
| | - Biswajit Ray
- Department of Chemistry Institute of Science Banaras Hindu University Varanasi Uttar Pradesh 221005 India
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7
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Ricarte RG, Shanbhag S. Unentangled Vitrimer Melts: Interplay between Chain Relaxation and Cross-link Exchange Controls Linear Rheology. Macromolecules 2021. [DOI: 10.1021/acs.macromol.0c02530] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ralm G. Ricarte
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Tallahassee, Florida 32310, United States
| | - Sachin Shanbhag
- Department of Scientific Computing, Florida State University, Tallahassee, Florida 32306, United States
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8
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Liu S, Wu S, Chen Q. Using Coupling Motion of Connecting Ions in Designing Telechelic Ionomers. ACS Macro Lett 2020; 9:917-923. [PMID: 35648601 DOI: 10.1021/acsmacrolett.0c00256] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Conventional telechelic ionomers have one ion fixed at each end, enabling the chains to form a physical network. Here we report a type of telechelic ionomers with a distribution of the number of ions at the chain ends, which endows them with very rich rheological properties. We synthesized the ionomer samples via a two-step polymerization. Namely, we synthesized a precursor chain first and then polymerized a few ion-containing monomers at its two ends. An average number of ion-containing monomers per chain end, m, varies from 0 to 3.0. Linear viscoelasticity of these samples can be well explained through considering the Poisson distribution of m, and the hierarchical relaxation of the chains ends according to the number of connecting ions that exhibit the coupling motion.
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Affiliation(s)
- Shuang Liu
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun 130022, People's Republic of China.,University of Science and Technology of China, Hefei 230026, People's Republic of China
| | - Shilong Wu
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun 130022, People's Republic of China
| | - Quan Chen
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun 130022, People's Republic of China.,University of Science and Technology of China, Hefei 230026, People's Republic of China
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9
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Wang Y, García‐Peñas A, Gómez‐Ruiz S, Stadler FJ. Surrounding Interactions on Phase Transition Temperature Promoted by Organometallic Complexes in Functionalized Poly(
N
‐isopropylacrylamide‐
co
‐dopamine methacrylamide) Copolymers. MACROMOL CHEM PHYS 2020. [DOI: 10.1002/macp.202000035] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Yu Wang
- College of Materials Science and EngineeringShenzhen Key Laboratory of Polymer Science and TechnologyGuangdong Research Center for Interfacial Engineering of Functional MaterialsNanshan District Key Laboratory for Biopolymers and Safety EvaluationShenzhen University Shenzhen 518055 P. R. China
| | - Alberto García‐Peñas
- College of Materials Science and EngineeringShenzhen Key Laboratory of Polymer Science and TechnologyGuangdong Research Center for Interfacial Engineering of Functional MaterialsNanshan District Key Laboratory for Biopolymers and Safety EvaluationShenzhen University Shenzhen 518055 P. R. China
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceCollege of Optoelectronic EngineeringShenzhen University Shenzhen 518060 P. R. China
| | - Santiago Gómez‐Ruiz
- COMET‐NANO GroupDepartamento de Biología y GeologíaFísica y Química InorgánicaESCETUniversidad Rey Juan Carlos Calle Tulipán s/n Móstoles Madrid 28933 Spain
| | - Florian J. Stadler
- College of Materials Science and EngineeringShenzhen Key Laboratory of Polymer Science and TechnologyGuangdong Research Center for Interfacial Engineering of Functional MaterialsNanshan District Key Laboratory for Biopolymers and Safety EvaluationShenzhen University Shenzhen 518055 P. R. China
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10
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Supramolecular Dimerization in a Polymer Melt from Small-Angle X-ray Scattering and Rheology: A Miscible Model System. Polymers (Basel) 2020; 12:polym12040880. [PMID: 32290322 PMCID: PMC7240474 DOI: 10.3390/polym12040880] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 04/02/2020] [Accepted: 04/08/2020] [Indexed: 01/12/2023] Open
Abstract
We present a structural and dynamic study on the simplest supramolecular hetero-association, recently investigated by the authors to prepare architectural homogeneous structures in the melt state, based on the bio-inspired hydrogen-bonding of thymine/diaminotriazine (thy–DAT) base-pairs. In the combination with an amorphous low Tg poly(butylene oxide) (PBO), no micellar structures are formed, which is expected for nonpolar polymers because of noncompatibility with the highly polar supramolecular groups. Instead, a clear polymer-like transient architecture is retrieved. This makes the heterocomplementary thy–DAT association an ideal candidate for further exploitation of the hydrogen-bonding ability in the bulk for self-healing purposes, damage management in rubbers or even the development of easily processable branched polymers with built-in plasticizer. In the present work, we investigate the temperature range from Tg + 20 °C to Tg + 150 °C of an oligomeric PBO using small-angle X-ray scattering (SAXS) and linear rheology on the pure thy and pure DAT monofunctionals and on an equimolar mixture of thy/DAT oligomers. The linear rheology performed at low temperature is found to correspond to fully closed-state dimeric configurations. At intermediate temperatures, SAXS probes the equilibrium between open and closed states of the thy–DAT mixtures. The temperature-dependent association constant in the full range between open and closed H-bonds and an enhancement of the monomeric friction coefficient due to the groups is obtained. The thy–DAT association in the melt is more stable than the DAT–DAT, whereas the thy–thy association seems to involve additional long-lived interactions.
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11
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Ahmadi M, Seiffert S. Dynamic Model Metallo‐Supramolecular Dual‐Network Hydrogels with Independently Tunable Network Crosslinks. JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1002/pol.20190076] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Mostafa Ahmadi
- Department of Polymer Engineering and Color TechnologyAmirkabir University of Technology Tehran Iran
- Institute of Physical ChemistryJohannes Gutenberg‐Universität Mainz D‐55128 Duesbergweg 10‐14 Mainz Germany
| | - Sebastian Seiffert
- Institute of Physical ChemistryJohannes Gutenberg‐Universität Mainz D‐55128 Duesbergweg 10‐14 Mainz Germany
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12
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Cao K, Serrano JM, Liu T, Stovall BJ, Xu Z, Arrington CB, Long TE, Odle RR, Liu G. Impact of metal cations on the thermal, mechanical, and rheological properties of telechelic sulfonated polyetherimides. Polym Chem 2020. [DOI: 10.1039/c9py00899c] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The glass transition temperature, thermal degradation temperature, and complex viscosity of metal sulfonated polyetherimides decrease with an increase in metal cation size.
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Affiliation(s)
- Ke Cao
- Macromolecules Innovation Institute (MII)
- Virginia Tech
- Blacksburg
- USA
| | | | - Tianyu Liu
- Department of Chemistry
- Virginia Tech
- Blacksburg
- USA
| | | | - Zhen Xu
- Department of Chemistry
- Virginia Tech
- Blacksburg
- USA
| | | | - Timothy E. Long
- Macromolecules Innovation Institute (MII)
- Virginia Tech
- Blacksburg
- USA
- Department of Chemistry
| | | | - Guoliang Liu
- Macromolecules Innovation Institute (MII)
- Virginia Tech
- Blacksburg
- USA
- Department of Chemistry
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13
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Tress M, Xing K, Ge S, Cao P, Saito T, Sokolov A. What dielectric spectroscopy can tell us about supramolecular networks ⋆. THE EUROPEAN PHYSICAL JOURNAL. E, SOFT MATTER 2019; 42:133. [PMID: 31624934 DOI: 10.1140/epje/i2019-11897-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 09/13/2019] [Indexed: 06/10/2023]
Abstract
Polymers which can form supramolecular networks are a promising class of materials to provide highly sought-after properties such as self-healing, enhanced mechanical strength, super-stretchability as well as easy recyclability. However, due to the vast range of possible chemical structures it is very demanding to optimize these materials for the desired performance. Consequently, a detailed understanding of the molecular processes that govern the macroscopic properties is paramount to their technological application. Here we discuss some telechelic model systems with hydrogen-bonding end groups and how dielectric spectroscopy in combination with linear oscillatory shear rheology helped to understand the association mechanism on a molecular scale, and verify the model of bond-lifetime renormalization. Furthermore, we analyze a limitation of these H-bonding polymers, namely that there is a trade-off between high plateau modulus and long terminal relaxation time --both cannot be maximized at the same time. Finally, we show how more complex end groups phase separate from the main chain melt and thus lead to a more sophisticated rheological behavior which can overcome that limitation.
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Affiliation(s)
- Martin Tress
- Department of Chemistry, University of Tennessee, Knoxville, 37996, Knoxville, TN, USA.
| | - Kunyue Xing
- Department of Chemistry, University of Tennessee, Knoxville, 37996, Knoxville, TN, USA
| | - Sirui Ge
- Department of Materials Science, University of Tennessee, Knoxville, 37996, Knoxville, TN, USA
| | - Pengfei Cao
- Oak Ridge National Laboratory, Chemical Sciences Division, 37831, Oak Ridge, TN, USA
| | - Tomonori Saito
- Oak Ridge National Laboratory, Chemical Sciences Division, 37831, Oak Ridge, TN, USA
| | - Alexei Sokolov
- Department of Chemistry, University of Tennessee, Knoxville, 37996, Knoxville, TN, USA.
- Oak Ridge National Laboratory, Chemical Sciences Division, 37831, Oak Ridge, TN, USA.
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14
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The challenges of obtaining mechanical strength in self-healing polymers containing dynamic covalent bonds. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.121670] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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15
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Boothroyd SC, Hoyle DM, McLeish TCB, Munch E, Schach R, Smith AJ, Thompson RL. Association and relaxation of supra-macromolecular polymers. SOFT MATTER 2019; 15:5296-5307. [PMID: 31225548 DOI: 10.1039/c8sm02580k] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
This paper describes the structures created by assembling functionalised entangled polymers and the effect these have on the rheology of the material. A polybutadiene (PBd) linear polymer precursor of sufficient molecular weight to be entangled is used. This is end functionalised with the self-associating group 2-ureido-4pyrimidinone (UPy). Interestingly, despite the relatively high molecular weight of the precursor diluting the UPy concentration, the effect on the material's properties is significant. To characterise the assembled microstructure we present linear rheology, extensional non-linear rheology and small angle X-ray scattering (SAXS). The linear rheology shows that the functionalised PBd assembles into large macro-structures where the terminal relaxation time is up to seven orders of magnitude larger than the precursor. The non-linear rheology shows strain-hardening over a broad range of strain-rates. We then show by both SAXS and modelling of the extensional data that there must exist clusters of UPy associations and hence assembled polymers with branched architecture. By modelling the supra-molecular structure as an effective linear polymer, we show that this would be insufficient in predicting the strain-hardening behaviour at lower extension-rates. Therefore, in this flow regime the strain-hardening is likely to be caused by branching. This is backed up by SAXS measurements which show that UPy clusters larger than pair-pair groups exist.
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Affiliation(s)
- Stephen C Boothroyd
- Department of Chemistry, Durham University, Lower Mountjoy, South Road, Durham DH1 3LE, UK.
| | - David M Hoyle
- Department of Chemistry, Durham University, Lower Mountjoy, South Road, Durham DH1 3LE, UK.
| | - Thomas C B McLeish
- Department of Physics, University of York, Heslington, York YO10 5DD, UK
| | - Etienne Munch
- Manufacture Française des Pneumatiques Michelin, Centre de Technologies, 63040 Clermont Ferrand Cedex 9, France
| | - Regis Schach
- Manufacture Française des Pneumatiques Michelin, Centre de Technologies, 63040 Clermont Ferrand Cedex 9, France
| | - Andrew J Smith
- Diamond Light Source Ltd., Diamond House, Harwell Science and Innovation Campus, Didcot, UK
| | - Richard L Thompson
- Department of Chemistry, Durham University, Lower Mountjoy, South Road, Durham DH1 3LE, UK.
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16
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Shinohara A, Pan C, Guo Z, Zhou L, Liu Z, Du L, Yan Z, Stadler FJ, Wang L, Nakanishi T. Viskoelastische konjugierte polymere Fluide. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201903148] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Akira Shinohara
- Shenzhen Key Laboratory of Polymer Science and TechnologyCollege of Materials Science and EngineeringShenzhen University Xueyuan Avenue 1066, Nanshan Shenzhen 518055 China
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic EngineeringShenzhen University Nanhai Avenue 3688, Nanshan Shenzhen 518060 China
| | - Chengjun Pan
- Shenzhen Key Laboratory of Polymer Science and TechnologyCollege of Materials Science and EngineeringShenzhen University Xueyuan Avenue 1066, Nanshan Shenzhen 518055 China
| | - Zhenfeng Guo
- Shenzhen Key Laboratory of Polymer Science and TechnologyCollege of Materials Science and EngineeringShenzhen University Xueyuan Avenue 1066, Nanshan Shenzhen 518055 China
| | - Liyang Zhou
- Shenzhen Key Laboratory of Polymer Science and TechnologyCollege of Materials Science and EngineeringShenzhen University Xueyuan Avenue 1066, Nanshan Shenzhen 518055 China
| | - Zhonghua Liu
- Shenzhen Key Laboratory of Polymer Science and TechnologyCollege of Materials Science and EngineeringShenzhen University Xueyuan Avenue 1066, Nanshan Shenzhen 518055 China
| | - Lei Du
- Shenzhen Key Laboratory of Polymer Science and TechnologyCollege of Materials Science and EngineeringShenzhen University Xueyuan Avenue 1066, Nanshan Shenzhen 518055 China
| | - Zhichao Yan
- Shenzhen Key Laboratory of Polymer Science and TechnologyCollege of Materials Science and EngineeringShenzhen University Xueyuan Avenue 1066, Nanshan Shenzhen 518055 China
| | - Florian J. Stadler
- Shenzhen Key Laboratory of Polymer Science and TechnologyCollege of Materials Science and EngineeringShenzhen University Xueyuan Avenue 1066, Nanshan Shenzhen 518055 China
| | - Lei Wang
- Shenzhen Key Laboratory of Polymer Science and TechnologyCollege of Materials Science and EngineeringShenzhen University Xueyuan Avenue 1066, Nanshan Shenzhen 518055 China
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic EngineeringShenzhen University Nanhai Avenue 3688, Nanshan Shenzhen 518060 China
| | - Takashi Nakanishi
- Shenzhen Key Laboratory of Polymer Science and TechnologyCollege of Materials Science and EngineeringShenzhen University Xueyuan Avenue 1066, Nanshan Shenzhen 518055 China
- International Center for Materials Nanoarchitectonics (WPI-MANA)National Institute for Materials Science (NIMS) Namiki 1-1 Tsukuba 305-0044 Japan
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17
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Shinohara A, Pan C, Guo Z, Zhou L, Liu Z, Du L, Yan Z, Stadler FJ, Wang L, Nakanishi T. Viscoelastic Conjugated Polymer Fluids. Angew Chem Int Ed Engl 2019; 58:9581-9585. [PMID: 31034736 DOI: 10.1002/anie.201903148] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 04/16/2019] [Indexed: 12/24/2022]
Abstract
The introduction of optoelectronic functions into viscoelastic polymers can yield highly sophisticated soft materials for biomedical devices and autonomous robotics. However, viscoelasticity and excellent optoelectronic properties are difficult to achieve because the presence of a large number of π-conjugated moieties drastically stiffens a polymer. Here, we report a variation of additive-free viscoelastic conjugated polymers (VE-CPs) at room temperature by using an intact π-conjugated backbone and bulky, yet flexible, alkyl side chains as "internal plasticizers." Some of these polymers exhibit gel- and elastomer-like rheological behaviors without cross-linking or entanglement. Furthermore, binary blends of these VE-CPs exhibit a never-seen-before dynamic miscibility with self-restorable and mechanically induced fluorescence color changes.
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Affiliation(s)
- Akira Shinohara
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Xueyuan Avenue 1066, Nanshan, Shenzhen, 518055, China.,Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Nanhai Avenue 3688, Nanshan, Shenzhen, 518060, China
| | - Chengjun Pan
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Xueyuan Avenue 1066, Nanshan, Shenzhen, 518055, China
| | - Zhenfeng Guo
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Xueyuan Avenue 1066, Nanshan, Shenzhen, 518055, China
| | - Liyang Zhou
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Xueyuan Avenue 1066, Nanshan, Shenzhen, 518055, China
| | - Zhonghua Liu
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Xueyuan Avenue 1066, Nanshan, Shenzhen, 518055, China
| | - Lei Du
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Xueyuan Avenue 1066, Nanshan, Shenzhen, 518055, China
| | - Zhichao Yan
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Xueyuan Avenue 1066, Nanshan, Shenzhen, 518055, China
| | - Florian J Stadler
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Xueyuan Avenue 1066, Nanshan, Shenzhen, 518055, China
| | - Lei Wang
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Xueyuan Avenue 1066, Nanshan, Shenzhen, 518055, China.,Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Nanhai Avenue 3688, Nanshan, Shenzhen, 518060, China
| | - Takashi Nakanishi
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Xueyuan Avenue 1066, Nanshan, Shenzhen, 518055, China.,International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Namiki 1-1, Tsukuba, 305-0044, Japan
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18
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Gârlea IC, Jaramillo-Cano D, Likos CN. Self-organization of gel networks formed by block copolymer stars. SOFT MATTER 2019; 15:3527-3540. [PMID: 30944917 DOI: 10.1039/c9sm00111e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The equilibrium properties of block copolymer star networks (BCS) are studied via computer simulations. We employ both molecular dynamics and multiparticle collisional dynamics simulations to investigate the self-organization of BCS with f = 9 functionalized arms close to their overlap concentrations under conditions of different fractions of functionalization and varying attraction strength. We find three distinct macroscopic self-organized states depending on fraction of attractive end-monomers and the strength of the attraction. At weak attractions, ergodic, diffusive liquids result, with short-lived bonds between the stars. As the attraction strength grows, the whole system forms a percolating cluster, while at the same time the individual molecules are diffusive. Finally, arrested gels emerge when the attractions become strong. The conformation of the BCS in these solutions is found to be strongly affected by the concentration, with the stars assuming typically spherical, open configurations in seeking to maximize inter-star associations as opposed to the inter-star collapse that results at infinite dilution, giving rise to strongly aspherical shapes and reduced sizes.
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Affiliation(s)
- Ioana C Gârlea
- Faculty of Physics, University of Vienna, Boltzmanngasse 5, 1090 Vienna, Austria.
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19
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Goldansaz H, Jangizehi A, Nikravan G, Verkinderen O, Goderis B, Ghaffarian SR, van Ruymbeke E, Ahmadi M. Rheological modifiers based on supramolecular block copolymers: From weak associations to interconnected micelles. REACT FUNCT POLYM 2019. [DOI: 10.1016/j.reactfunctpolym.2019.01.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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20
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Wu S, Liu S, Zhang Z, Chen Q. Dynamics of Telechelic Ionomers with Distribution of Number of Ionic Stickers at Chain Ends. Macromolecules 2019. [DOI: 10.1021/acs.macromol.8b01776] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Shilong Wu
- State Key Lab Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Renmin St. 5625, Changchun 130022, Jilin, P. R. China
- University of
Chinese Academy of Sciences, 19A Yuquan Rd., Beijing 100049, P. R. China
| | - Shuang Liu
- State Key Lab Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Renmin St. 5625, Changchun 130022, Jilin, P. R. China
| | - Zhijie Zhang
- State Key Lab Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Renmin St. 5625, Changchun 130022, Jilin, P. R. China
| | - Quan Chen
- State Key Lab Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Renmin St. 5625, Changchun 130022, Jilin, P. R. China
- University of
Chinese Academy of Sciences, 19A Yuquan Rd., Beijing 100049, P. R. China
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21
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Nevejans S, Ballard N, Rivilla I, Fernández M, Santamaria A, Reck B, Asua JM. Synthesis of mechanically strong waterborne poly(urethane-urea)s capable of self-healing at elevated temperatures. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.01.022] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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22
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Nevejans S, Ballard N, Fernández M, Reck B, Asua JM. Flexible aromatic disulfide monomers for high-performance self-healable linear and cross-linked poly(urethane-urea) coatings. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.02.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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23
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Tailoring the temperature-dependent viscoelastic behavior of acrylic copolymers by introducing hydrogen bonding interactions. POLYMER 2019. [DOI: 10.1016/j.polymer.2018.12.025] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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24
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Martinetti L, Carey-De La Torre O, Schweizer KS, Ewoldt RH. Inferring the Nonlinear Mechanisms of a Reversible Network. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b01295] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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25
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Callies X, Ressouche E, Fonteneau C, Ducouret G, Pensec S, Bouteiller L, Creton C. Effect of the Strength of Stickers on Rheology and Adhesion of Supramolecular Center-Functionalized Polyisobutenes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:12625-12634. [PMID: 30260654 DOI: 10.1021/acs.langmuir.8b02533] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
In order to systematically investigate the effect of the strength of the supramolecular interactions on the debonding properties of associative polymers, a series of model systems have been characterized by probe-tack tests. These model materials, composed of linear and low dispersity poly(isobutylene) chains ( Mn ≈ 3 kg/mol) center-functionalized by a single bis-urea sticker, are able to self-assemble by four hydrogen bonds. Three types of stickers are used in the present study: a bis-urea with a methylene diphenyl (MDI) spacer, a bis-urea with a tolyl (TOL) spacer, and a bis-urea with a xylyl (XYL) spacer. In order to investigate the influence of stickers in depth, both the nanostructure of the materials and the linear rheology were investigated by small-angle X-ray scattering (SAXS) and oscillatory shear, respectively. For two types of stickers (TOL and XYL), the association of polymers via hydrogen bonds induces the formation of bundles of rodlike aggregates at room temperature and the behavior of a soft elastic material was observed. For bis-urea MDI, no structure is detected by SAXS and a Newtonian behavior is observed at room temperature. In probe-tack experiments, all these materials show a cohesive mode of failure, a signature of flowing materials as previously observed for tri-urea center-functionalized poly(butylacrylate) (PnBA3U). However, XYL center-functionalized polyisobutene shows much higher debonding energies than PnBA3U, revealing the importance of the strength of noncovalent bonds in the scission/recombination dynamics. On the basis of the analysis of the debonding images, this effect is discussed via the mechanical behavior at large deformation.
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Affiliation(s)
- X Callies
- Laboratoire de Sciences et Ingénierie de la Matière Molle, CNRS, ESPCI Paris, PSL Research University , 10 rue Vauquelin , 75005 Paris , France
- Laboratoire Sciences et Ingénierie de la Matière Molle , Sorbonne-Université , 10 rue Vauquelin , 75005 Paris , France
| | - E Ressouche
- Sorbonne Université, CNRS, IPCM, Chimie des Polymères , F-75005 Paris , France
| | - C Fonteneau
- Sorbonne Université, CNRS, IPCM, Chimie des Polymères , F-75005 Paris , France
| | - G Ducouret
- Laboratoire de Sciences et Ingénierie de la Matière Molle, CNRS, ESPCI Paris, PSL Research University , 10 rue Vauquelin , 75005 Paris , France
- Laboratoire Sciences et Ingénierie de la Matière Molle , Sorbonne-Université , 10 rue Vauquelin , 75005 Paris , France
| | - S Pensec
- Sorbonne Université, CNRS, IPCM, Chimie des Polymères , F-75005 Paris , France
| | - L Bouteiller
- Sorbonne Université, CNRS, IPCM, Chimie des Polymères , F-75005 Paris , France
| | - C Creton
- Laboratoire de Sciences et Ingénierie de la Matière Molle, CNRS, ESPCI Paris, PSL Research University , 10 rue Vauquelin , 75005 Paris , France
- Laboratoire Sciences et Ingénierie de la Matière Molle , Sorbonne-Université , 10 rue Vauquelin , 75005 Paris , France
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26
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Xing K, Tress M, Cao PF, Fan F, Cheng S, Saito T, Sokolov AP. The Role of Chain-End Association Lifetime in Segmental and Chain Dynamics of Telechelic Polymers. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b01210] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Kunyue Xing
- Department of Chemistry, University of Tennessee, Knoxville, Knoxville, Tennessee 37996, United States
| | - Martin Tress
- Department of Chemistry, University of Tennessee, Knoxville, Knoxville, Tennessee 37996, United States
| | - Peng-Fei Cao
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Fei Fan
- Department of Chemistry, University of Tennessee, Knoxville, Knoxville, Tennessee 37996, United States
| | - Shiwang Cheng
- Department of Chemical Engineering and Material Science, Michigan State University, East Lansing, Michigan 48824, United States
| | - Tomonori Saito
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Alexei P. Sokolov
- Department of Chemistry, University of Tennessee, Knoxville, Knoxville, Tennessee 37996, United States
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
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27
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Metri V, Louhichi A, Yan J, Baeza GP, Matyjaszewski K, Vlassopoulos D, Briels WJ. Physical Networks from Multifunctional Telechelic Star Polymers: A Rheological Study by Experiments and Simulations. Macromolecules 2018; 51:2872-2886. [PMID: 29910512 PMCID: PMC5997402 DOI: 10.1021/acs.macromol.7b02613] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 03/26/2018] [Indexed: 11/29/2022]
Abstract
The equilibrium mechanical properties of a cross-linked gel of telechelic star polymers are studied by rheology and Brownian dynamics simulations. The Brownian dynamics model consists of cores to which Rouse arms are attached. Forces between the cores are obtained from a potential of mean force model developed by Likos and co-workers. Both experimentally and in the simulations, networks were created by attaching sticker groups to the ends of the arms of the polymers, which were next allowed to form bonds among them in a one to one fashion. Simulations were sped up by solving the Rouse dynamics exactly. Moreover, the Rouse model was extended to allow for different frictions on different beads. In order to describe the rheology of the non-cross-linked polymers, it had to be assumed that bead frictions increase with increasing bead number along the arms. This friction model could be transferred to describe the rheology of the network without any adjustments other than an overall increase of the frictions due to the formation of bonds. The slowing down at intermediate times of the network rheology compared to that of the non-cross-linked polymers is well described by the model. The percentage of stickers involved in forming inter-star bonds in the system was determined to be 25%, both from simulations and from an application of the Green-Tobolsky relation to the experimental plateau value of the shear relaxation modulus. Simulations with increasing cross-link percentages revealed that on approaching the gel transition the shear relaxation modulus develops an algebraic tail, which gets frozen at a percentage of maximum cross-linking of about 11%.
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Affiliation(s)
- Vishal Metri
- Computational Chemical Physics, Faculty of Science
and Technology, and MESA+ Institute
for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE, Enschede, The Netherlands
| | - Ameur Louhichi
- Institute
of Electronic Structure & Laser, FORTH, P.O. Box 1527, 70013 Heraklion, Crete Greece
- Department
of Materials Science & Technology, University
of Crete, Voutes Campus, 70013 Heraklion, Crete Greece
| | - Jiajun Yan
- Department
of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Guilhem P. Baeza
- CNRS,
MATEIS, University of Lyon, INSA-Lyon, UMR5510-7 avenue Jean Capelle, F-69621 Villeurbanne, France
| | - Krzysztof Matyjaszewski
- Department
of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Dimitris Vlassopoulos
- Institute
of Electronic Structure & Laser, FORTH, P.O. Box 1527, 70013 Heraklion, Crete Greece
- Department
of Materials Science & Technology, University
of Crete, Voutes Campus, 70013 Heraklion, Crete Greece
| | - Wim J. Briels
- Computational Chemical Physics, Faculty of Science
and Technology, and MESA+ Institute
for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE, Enschede, The Netherlands
- ICS 3, Forschungszentrum Jülich, Wilhelm-Johnen-Straße, 52428 Jülich, Germany
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28
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Raghunanan LC, Fernandez-Prieto S, Martínez I, Valencia C, Sánchez MC, Franco JM. Molecular insights into the mechanisms of humidity-induced changes on the bulk performance of model castor oil derived polyurethane adhesives. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2018.02.041] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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29
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Effect of the polymer structure on the viscoelastic and interfacial healing behaviour of poly(urea-urethane) networks containing aromatic disulphides. Eur Polym J 2017. [DOI: 10.1016/j.eurpolymj.2017.10.007] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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30
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C. Gârlea I, Bianchi E, Capone B, Rovigatti L, N. Likos C. Hierarchical self-organization of soft patchy nanoparticles into morphologically diverse aggregates. Curr Opin Colloid Interface Sci 2017. [DOI: 10.1016/j.cocis.2017.03.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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31
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Abstract
In this review we summarize recent efforts in understanding nano-aggregation in acid- and ion-containing polymer systems. The acid and ionic groups have specific interactions that drive aggregation and alter polymer behavior at the nano-, micro-, and bulk length scales. Advancements in synthetic methods, characterization techniques, and computer simulations have enabled researchers to better understand the morphologies and dynamics, particularly at the nanoscale. This overview of recent advancements in nano-aggregated polymer systems highlights the current understanding of the field and presents promising directions for future investigations and new applications.
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Affiliation(s)
- L. Robert Middleton
- Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6272
| | - Karen I. Winey
- Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6272
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32
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Susa A, Bose RK, Grande AM, van der Zwaag S, Garcia SJ. Effect of the Dianhydride/Branched Diamine Ratio on the Architecture and Room Temperature Healing Behavior of Polyetherimides. ACS APPLIED MATERIALS & INTERFACES 2016; 8:34068-34079. [PMID: 27960394 DOI: 10.1021/acsami.6b10433] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Traditional polyetherimides (PEIs) are commonly synthesized from an aromatic diamine and an aromatic dianhydride (e.g., 3,4'-oxidianiline (ODA) and 4,4'-oxidiphtalic anhydride (ODPA)) leading to the imide linkage and outstanding chemical, thermal and mechanical properties yet lacking any self-healing functionality. In this work, we have replaced the traditional aromatic diamine by a branched aliphatic fatty dimer diamine (DD1). This led to a whole family of self-healing polymers not containing reversible chemical bonds, capable of healing at (near) room temperature yet maintaining very high elastomeric-like mechanical properties (up to 6 MPa stress and 570% strain at break). In this work, we present the effect of the DD1/ODPA ratio on the general performance and healing behavior of a room temperature healing polyetherimide. A dedicated analysis suggests that healing proceeds in three steps: (i) an initial adhesive step leading to the formation of a relatively weak interface; (ii) a second step at long healing times leading to the formation of an interphase with different properties than the bulk material and (iii) disappearance of the damaged zone leading to full healing. We argue that the fast interfacial adhesive step is due to van der Waals interactions of long dangling alkyl chains followed by an interphase formation due to polymer chain interdiffusion. An increase in DD1/ODPA ratio leads to an increase in the healing kinetics and displacement shift of the first healing step toward lower temperatures. An excess of DD1 leads to the cross-linking of the polymer thereby restricting the necessary mobility for the interphase formation and limiting the self-healing behavior. The results here presented offer a new route for the development of room temperature self-healing thermoplastic elastomers with improved mechanical properties using fatty dimer diamines.
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Affiliation(s)
- A Susa
- Novel Aerospace Materials group, Faculty of Aerospace Engineering, Delft University of Technology , Kluyverweg 1, 2629 HS, Delft, The Netherlands
| | - R K Bose
- Novel Aerospace Materials group, Faculty of Aerospace Engineering, Delft University of Technology , Kluyverweg 1, 2629 HS, Delft, The Netherlands
| | - A M Grande
- Novel Aerospace Materials group, Faculty of Aerospace Engineering, Delft University of Technology , Kluyverweg 1, 2629 HS, Delft, The Netherlands
| | - S van der Zwaag
- Novel Aerospace Materials group, Faculty of Aerospace Engineering, Delft University of Technology , Kluyverweg 1, 2629 HS, Delft, The Netherlands
| | - S J Garcia
- Novel Aerospace Materials group, Faculty of Aerospace Engineering, Delft University of Technology , Kluyverweg 1, 2629 HS, Delft, The Netherlands
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33
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Callies X, Fonteneau C, Pensec S, Bouteiller L, Ducouret G, Creton C. Adhesion and non-linear rheology of adhesives with supramolecular crosslinking points. SOFT MATTER 2016; 12:7174-7185. [PMID: 27498899 DOI: 10.1039/c6sm01154c] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Soft supramolecular materials are promising for the design of innovative and highly tunable adhesives. These materials are composed of polymer chains functionalized by strongly interacting moieties, sometimes called "stickers". In order to systematically investigate the effect of the presence of associative groups on the debonding properties of a supramolecular adhesive, a series of supramolecular model systems has been characterized by probe-tack tests. These model materials, composed of linear and low dispersity poly(butylacrylate) chains functionalized in the middle by a single tri-urea sticker, are able to self-associate by six hydrogen bonds and range in molecular weight (Mn) between 5 and 85 kg mol(-1). The linear rheology and the nanostructure of the same materials (called "PnBA3U") were the object of a previous study. At room temperature, the association of polymers via hydrogen bonds induces the formation of rod-like aggregates structured into bundles for Mn < 40 kg mol(-1) and the behavior of a soft elastic material was observed (G'≪G'' and G'∼ω(0)). For higher Mn materials, the filaments were randomly oriented and the polymers displayed a crossover towards viscous behavior although terminal relaxation was not reached in the experimental frequency window. All these materials show, however, similar adhesive properties characterized by a cohesive mode of failure and low debonding energies (Wadh < 40 J m(-2) for a debonding speed of 100 μm s(-1)). The debonding mechanisms observed during the adhesion tests have been investigated in detail with an Image tools analysis developed by our group. The measure of the projected area covered by cavities growing in the adhesive layer during debonding can be used to estimate the true stress in the walls of the cavities and thus to characterize the in situ large strain deformation of the thin layer during the adhesion test itself. This analysis revealed in particular that the PnBA3U materials with Mn < 40 kg mol(-1) soften very markedly at large deformation like yield stress fluids, explaining the low adhesion energies measured for these viscoelastic gels.
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Affiliation(s)
- X Callies
- Sciences et Ingénierie de la Matière Molle, CNRS UMR 7615, ESPCI Paris, PSL Research University, 10 rue Vauquelin, F-75231 Paris cedex 05, France.
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34
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Staropoli M, Raba A, Hövelmann CH, Krutyeva M, Allgaier J, Appavou MS, Keiderling U, Stadler FJ, Pyckhout-Hintzen W, Wischnewski A, Richter D. Hydrogen Bonding in a Reversible Comb Polymer Architecture: A Microscopic and Macroscopic Investigation. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b00978] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Mariapaola Staropoli
- JCNS-1
and ICS-1, Forschungszentrum Jülich GmbH, Leo-Brandt-Straße, 52425 Jülich, Germany
| | - Andreas Raba
- JCNS-1
and ICS-1, Forschungszentrum Jülich GmbH, Leo-Brandt-Straße, 52425 Jülich, Germany
| | - Claas H. Hövelmann
- JCNS-1
and ICS-1, Forschungszentrum Jülich GmbH, Leo-Brandt-Straße, 52425 Jülich, Germany
| | - Margarita Krutyeva
- JCNS-1
and ICS-1, Forschungszentrum Jülich GmbH, Leo-Brandt-Straße, 52425 Jülich, Germany
| | - Jürgen Allgaier
- JCNS-1
and ICS-1, Forschungszentrum Jülich GmbH, Leo-Brandt-Straße, 52425 Jülich, Germany
| | | | - Uwe Keiderling
- Helmholtz-Zentrum Berlin für Materialien and Energie, 14109 Berlin, Germany
| | - Florian J. Stadler
- Nanshan
District Key Lab for Biopolymers and Safety Evaluation, College of
Materials Science and Engineering and Department of Optoelectronic
Engineering, Shenzhen University, Shenzhen, Guangdong China
| | - Wim Pyckhout-Hintzen
- JCNS-1
and ICS-1, Forschungszentrum Jülich GmbH, Leo-Brandt-Straße, 52425 Jülich, Germany
| | - Andreas Wischnewski
- JCNS-1
and ICS-1, Forschungszentrum Jülich GmbH, Leo-Brandt-Straße, 52425 Jülich, Germany
| | - Dieter Richter
- JCNS-1
and ICS-1, Forschungszentrum Jülich GmbH, Leo-Brandt-Straße, 52425 Jülich, Germany
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35
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Feula A, Tang X, Giannakopoulos I, Chippindale AM, Hamley IW, Greco F, Paul Buckley C, Siviour CR, Hayes W. An adhesive elastomeric supramolecular polyurethane healable at body temperature. Chem Sci 2016; 7:4291-4300. [PMID: 30090288 PMCID: PMC6054028 DOI: 10.1039/c5sc04864h] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Accepted: 03/14/2016] [Indexed: 01/23/2023] Open
Abstract
In this paper, we report the synthesis and healing ability of a non-cytotoxic supramolecular polyurethane network whose mechanical properties can be recovered efficiently (>99%) at the temperature of the human body (37 °C). Rheological analysis revealed an acceleration in the drop of the storage modulus above 37 °C, on account of the dissociation of the supramolecular polyurethane network, and this decrease in viscosity enables the efficient recovery of the mechanical properties. Microscopic and mechanical characterisation has shown that this material is able to recover mechanical properties across a damage site with minimal contact required between the interfaces and also demonstrated that the mechanical properties improved when compared to other low temperature healing elastomers or gel-like materials. The supramolecular polyurethane was found to be non-toxic in a cytotoxicity assay carried out in human skin fibroblasts (cell viability > 94% and non-significantly different compared to the untreated control). This supramolecular network material also exhibited excellent adhesion to pig skin and could be healed completely in situ post damage indicating that biomedical applications could be targeted, such as artificial skin or wound dressings with supramolecular materials of this type.
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Affiliation(s)
- Antonio Feula
- Department of Chemistry , University of Reading , Whiteknights , Reading , RG6 6AD , UK .
| | - Xuegang Tang
- Department of Engineering Science , Oxford University , Parks Road , Oxford , OX1 3PJ , UK
| | - Ioannis Giannakopoulos
- Department of Engineering Science , Oxford University , Parks Road , Oxford , OX1 3PJ , UK
| | - Ann M Chippindale
- Department of Chemistry , University of Reading , Whiteknights , Reading , RG6 6AD , UK .
| | - Ian W Hamley
- Department of Chemistry , University of Reading , Whiteknights , Reading , RG6 6AD , UK .
| | - Francesca Greco
- Reading School of Pharmacy , University of Reading , Whiteknights , Reading , RG6 6AD , UK
| | - C Paul Buckley
- Department of Engineering Science , Oxford University , Parks Road , Oxford , OX1 3PJ , UK
| | - Clive R Siviour
- Department of Engineering Science , Oxford University , Parks Road , Oxford , OX1 3PJ , UK
| | - Wayne Hayes
- Department of Chemistry , University of Reading , Whiteknights , Reading , RG6 6AD , UK .
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36
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Grande A, Bijleveld J, Garcia S, van der Zwaag S. A combined fracture mechanical – rheological study to separate the contributions of hydrogen bonds and disulphide linkages to the healing of poly(urea-urethane) networks. POLYMER 2016. [DOI: 10.1016/j.polymer.2016.05.004] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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37
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Shabbir A, Javakhishvili I, Cerveny S, Hvilsted S, Skov AL, Hassager O, Alvarez NJ. Linear Viscoelastic and Dielectric Relaxation Response of Unentangled UPy-Based Supramolecular Networks. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b00122] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Aamir Shabbir
- Department
of Chemical and Biochemical Engineering, Technical University of Denmark, Kgs. Lyngby 2800, Denmark
| | - Irakli Javakhishvili
- Department
of Chemical and Biochemical Engineering, Technical University of Denmark, Kgs. Lyngby 2800, Denmark
| | - Silvina Cerveny
- Centro de Física de Materiales (CFM CSIC/EHU) - Material Physics Centre (MPC), Paseo Manuel de
Lardizabal 5, San Sebastian 20018, Spain
| | - Søren Hvilsted
- Department
of Chemical and Biochemical Engineering, Technical University of Denmark, Kgs. Lyngby 2800, Denmark
| | - Anne L. Skov
- Department
of Chemical and Biochemical Engineering, Technical University of Denmark, Kgs. Lyngby 2800, Denmark
| | - Ole Hassager
- Department
of Chemical and Biochemical Engineering, Technical University of Denmark, Kgs. Lyngby 2800, Denmark
| | - Nicolas J. Alvarez
- Department
of Chemical and Biological Engineering, Drexel University, Philadelphia, Pennsylvania 19104, United States
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38
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Goldansaz H, Fustin CA, Wübbenhorst M, van Ruymbeke E. How Supramolecular Assemblies Control Dynamics of Associative Polymers: Toward a General Picture. Macromolecules 2016. [DOI: 10.1021/acs.macromol.5b01535] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Charles-André Fustin
- Bio
and Soft Matter Division (BSMA), Institut de la Matière Condensée
et des Nanosciences (IMCN), Université catholique de Louvain, Place Pasteur 1, 1348 Louvain-la-Neuve, Belgium
| | - Michael Wübbenhorst
- Soft
Matter and Biophysics, Department of Physics and Astronomy, KU Leuven, Celestijnenlaan 200d, 3001 Leuven, Belgium
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39
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Krutyeva M, Brás AR, Antonius W, Hövelmann CH, Poulos AS, Allgaier J, Radulescu A, Lindner P, Pyckhout-Hintzen W, Wischnewski A, Richter D. Association Behavior, Diffusion, and Viscosity of End-Functionalized Supramolecular Poly(ethylene glycol) in the Melt State. Macromolecules 2015. [DOI: 10.1021/acs.macromol.5b02060] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- M. Krutyeva
- JCNS-1
and ICS-1, Forschungszentrum Jülich GmbH, Leo-Brandt-Straße, 52425 Jülich, Germany
| | - A. R. Brás
- JCNS-1
and ICS-1, Forschungszentrum Jülich GmbH, Leo-Brandt-Straße, 52425 Jülich, Germany
| | - W. Antonius
- JCNS-1
and ICS-1, Forschungszentrum Jülich GmbH, Leo-Brandt-Straße, 52425 Jülich, Germany
| | - C. H. Hövelmann
- JCNS-1
and ICS-1, Forschungszentrum Jülich GmbH, Leo-Brandt-Straße, 52425 Jülich, Germany
| | - A. S. Poulos
- JCNS-1
and ICS-1, Forschungszentrum Jülich GmbH, Leo-Brandt-Straße, 52425 Jülich, Germany
| | - J. Allgaier
- JCNS-1
and ICS-1, Forschungszentrum Jülich GmbH, Leo-Brandt-Straße, 52425 Jülich, Germany
| | - A. Radulescu
- Jülich Centre for Neutron Science (JCNS) at MLZ, 85747 Garching, Germany
| | - P. Lindner
- Institut Laue-Langevin (ILL), 71 avenue des Martyrs, 38000 Grenoble, France
| | - W. Pyckhout-Hintzen
- JCNS-1
and ICS-1, Forschungszentrum Jülich GmbH, Leo-Brandt-Straße, 52425 Jülich, Germany
| | - A. Wischnewski
- JCNS-1
and ICS-1, Forschungszentrum Jülich GmbH, Leo-Brandt-Straße, 52425 Jülich, Germany
| | - D. Richter
- JCNS-1
and ICS-1, Forschungszentrum Jülich GmbH, Leo-Brandt-Straße, 52425 Jülich, Germany
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40
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Kulkarni A, Lele A, Sivaram S, Rajamohanan PR, Velankar S, Chatterji A. Star Telechelic Poly(l-lactide) Ionomers. Macromolecules 2015. [DOI: 10.1021/acs.macromol.5b01854] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Amruta Kulkarni
- Academy of Scientific and Innovative Research, CSIR-National
Chemical Laboratory, Pune, 411008, India
| | - Ashish Lele
- Academy of Scientific and Innovative Research, CSIR-National
Chemical Laboratory, Pune, 411008, India
| | | | - P. R. Rajamohanan
- Academy of Scientific and Innovative Research, CSIR-National
Chemical Laboratory, Pune, 411008, India
| | - Sachin Velankar
- Chemical
Engineering Department, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - Apratim Chatterji
- Physics
Department, Indian Institute of Science Education and Research, Pune, 411008, India
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41
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Feula A, Pethybridge A, Giannakopoulos I, Tang X, Chippindale A, Siviour CR, Buckley CP, Hamley IW, Hayes W. A Thermoreversible Supramolecular Polyurethane with Excellent Healing Ability at 45 °C. Macromolecules 2015. [DOI: 10.1021/acs.macromol.5b01162] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Antonio Feula
- Department
of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, U.K
| | | | | | - Xuegang Tang
- Department
of Engineering Science, Oxford University, Parks Road, Oxford OX1 3PJ, U.K
| | - Ann Chippindale
- Department
of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, U.K
| | - Clive R. Siviour
- Department
of Engineering Science, Oxford University, Parks Road, Oxford OX1 3PJ, U.K
| | - C. Paul Buckley
- Department
of Engineering Science, Oxford University, Parks Road, Oxford OX1 3PJ, U.K
| | - Ian W. Hamley
- Department
of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, U.K
| | - Wayne Hayes
- Department
of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, U.K
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42
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Callies X, Fonteneau C, Véchambre C, Pensec S, Chenal JM, Chazeau L, Bouteiller L, Ducouret G, Creton C. Linear rheology of bis-urea functionalized supramolecular poly(butylacrylate)s: Part I – weak stickers. POLYMER 2015. [DOI: 10.1016/j.polymer.2014.12.053] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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43
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High melt strength polypropylene by ionic modification: Preparation, rheological properties and foaming behaviors. POLYMER 2015. [DOI: 10.1016/j.polymer.2015.06.032] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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44
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Goldansaz H, Auhl D, Goderis B, Voleppe Q, Fustin CA, Gohy JF, Bailly C, van Ruymbeke E. Transient Metallosupramolecular Networks Built from Entangled Melts of Poly(ethylene oxide). Macromolecules 2015. [DOI: 10.1021/acs.macromol.5b00703] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
| | - Dietmar Auhl
- Faculty
of Humanities and Sciences, Maastricht University, Maastricht, Netherlands
| | - Bart Goderis
- Polymer
Chemistry and Materials, Katholieke Universiteit Leuven, Celestijnenlaan
200f, 3001 Heverlee, Belgium
| | | | - Charles-André Fustin
- Bio and Soft Matter Division (BSMA), Institut de la Matière
Condensée et des Nanosciences (IMCN), Université catholique de Louvain, Place Pasteur 1, 1348 Louvain-la-Neuve, Belgium
| | - Jean-François Gohy
- Bio and Soft Matter Division (BSMA), Institut de la Matière
Condensée et des Nanosciences (IMCN), Université catholique de Louvain, Place Pasteur 1, 1348 Louvain-la-Neuve, Belgium
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45
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Goldansaz H, Voleppe Q, Piogé S, Fustin CA, Gohy JF, Brassinne J, Auhl D, van Ruymbeke E. Controlling the melt rheology of linear entangled metallo-supramolecular polymers. SOFT MATTER 2015; 11:762-774. [PMID: 25492131 DOI: 10.1039/c4sm02319f] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
We study in the melt the linear viscoelastic properties of supramolecular assemblies obtained by adding different amounts of nickel ions to linear entangled poly(ethylene oxide) (PEO) building blocks end-functionalized by a terpyridine group. We first show that the elasticity of these supramolecular assemblies is mainly governed by the entanglement dynamics of the building blocks, while the supramolecular interactions delay or suppress their relaxation. By adjusting the amount of metal ions, the relaxation time as well as the level of the low-frequency plateau of these supramolecular assemblies can be controlled. In particular, the addition of metal ions above the 1:2 metal ion/terpyridine stoichiometric ratio allows secondary supramolecular interactions to appear, which are able to link the linear supramolecular assemblies and thus, lead to the reversible gelation of the system. By comparing the rheological behavior of different linear PEO samples, bearing or not functionalized chain-ends, we show that these extra supramolecular bonds are partially due to the association between the excess of metal ions and the oxygen atoms of the PEO chains. We also investigate the possible role played by the terpyridine groups in the formation of these secondary supramolecular interactions.
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Affiliation(s)
- H Goldansaz
- Bio and Soft Matter, IMCN, Université catholique de Louvain, Belgium.
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46
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Hohlbein N, Shaaban A, Bras AR, Pyckhout-Hintzen W, Schmidt AM. Self-healing dynamic bond-based rubbers: understanding the mechanisms in ionomeric elastomer model systems. Phys Chem Chem Phys 2015. [DOI: 10.1039/c5cp00620a] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Systematic structure-property investigations on the time-dependent mechanical properties of an ionomer model system with variation of the ionic fraction and the counter ion as obtained from SAXS, dynamic oscillatory rheology and tensile tests, deliver the prerequisites and tools for property adjustment and optimization of their self-healing efficiency.
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Affiliation(s)
- N. Hohlbein
- Universität zu Köln
- Chemistry Department
- D-50939 Cologne
- Germany
| | - A. Shaaban
- Universität zu Köln
- Chemistry Department
- D-50939 Cologne
- Germany
| | - A. R. Bras
- Forschungszentrum Jülich
- Jülich Centre for Neutron Science-1 and Institute for Complex Systems-1
- D-52428 Jülich
- Germany
| | - W. Pyckhout-Hintzen
- Forschungszentrum Jülich
- Jülich Centre for Neutron Science-1 and Institute for Complex Systems-1
- D-52428 Jülich
- Germany
| | - A. M. Schmidt
- Universität zu Köln
- Chemistry Department
- D-50939 Cologne
- Germany
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47
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van Ruymbeke E, Lee H, Chang T, Nikopoulou A, Hadjichristidis N, Snijkers F, Vlassopoulos D. Molecular rheology of branched polymers: decoding and exploring the role of architectural dispersity through a synergy of anionic synthesis, interaction chromatography, rheometry and modeling. SOFT MATTER 2014; 10:4762-4777. [PMID: 24705637 DOI: 10.1039/c4sm00105b] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
An emerging challenge in polymer physics is the quantitative understanding of the influence of a macromolecular architecture (i.e., branching) on the rheological response of entangled complex polymers. Recent investigations of the rheology of well-defined architecturally complex polymers have determined the composition in the molecular structure and identified the role of side-products in the measured samples. The combination of different characterization techniques, experimental and/or theoretical, represents the current state-of-the-art. Here we review this interdisciplinary approach to molecular rheology of complex polymers, and show the importance of confronting these different tools for ensuring an accurate characterization of a given polymeric sample. We use statistical tools in order to relate the information available from the synthesis protocols of a sample and its experimental molar mass distribution (typically obtained from size exclusion chromatography), and hence obtain precise information about its structural composition, i.e. enhance the existing sensitivity limit. We critically discuss the use of linear rheology as a reliable quantitative characterization tool, along with the recently developed temperature gradient interaction chromatography. The latter, which has emerged as an indispensable characterization tool for branched architectures, offers unprecedented sensitivity in detecting the presence of different molecular structures in a sample. Combining these techniques is imperative in order to quantify the molecular composition of a polymer and its consequences on the macroscopic properties. We validate this approach by means of a new model asymmetric comb polymer which was synthesized anionically. It was thoroughly characterized and its rheology was carefully analyzed. The main result is that the rheological signal reveals fine molecular details, which must be taken into account to fully elucidate the viscoelastic response of entangled branched polymers. It is important to appreciate that, even optimal model systems, i.e., those synthesized with high-vacuum anionic methods, need thorough characterization via a combination of techniques. Besides helping to improve synthetic techniques, this methodology will be significant in fine-tuning mesoscopic tube-based models and addressing outstanding issues such as the quantitative description of the constraint release mechanism.
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Affiliation(s)
- E van Ruymbeke
- Bio and Soft Matter, Institute on Condensed Matter and Nano-science, Université catholique de Louvain, Louvain-la-Neuve 1348, Belgium.
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48
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Vatankhah-Varnoosfaderani M, Hashmi S, GhavamiNejad A, Stadler FJ. Rapid self-healing and triple stimuli responsiveness of a supramolecular polymer gel based on boron–catechol interactions in a novel water-soluble mussel-inspired copolymer. Polym Chem 2014. [DOI: 10.1039/c3py00788j] [Citation(s) in RCA: 121] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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49
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Zhang L, Brostowitz NR, Cavicchi KA, Weiss RA. Perspective: Ionomer Research and Applications. MACROMOL REACT ENG 2013. [DOI: 10.1002/mren.201300181] [Citation(s) in RCA: 147] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Longhe Zhang
- Department of Polymer Engineering; The University of Akron; Akron OH 44325-0301
| | | | - Kevin A. Cavicchi
- Department of Polymer Engineering; The University of Akron; Akron OH 44325-0301
| | - R. A. Weiss
- Department of Polymer Engineering; The University of Akron; Akron OH 44325-0301
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50
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Li Y, Yao Z, Chen ZH, Qiu SL, Zeng C, Cao K. Rheological Evidence of Physical Cross-Links and Their Impact in Modified Polypropylene. Ind Eng Chem Res 2013. [DOI: 10.1021/ie400809z] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Yan Li
- High Performance Materials
Institute, Florida State University, Tallahassee,
Florida 32310, United States
- Department of Industrial and Manufacturing Engineering, FAMU−FSU College of Engineering, Tallahassee,
Florida 32310, United States
| | | | - Zhen-hua Chen
- High Performance Materials
Institute, Florida State University, Tallahassee,
Florida 32310, United States
- Department of Industrial and Manufacturing Engineering, FAMU−FSU College of Engineering, Tallahassee,
Florida 32310, United States
| | | | - Changchun Zeng
- High Performance Materials
Institute, Florida State University, Tallahassee,
Florida 32310, United States
- Department of Industrial and Manufacturing Engineering, FAMU−FSU College of Engineering, Tallahassee,
Florida 32310, United States
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