1
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Jang D, Beckett LE, Keum J, Korley LTJ. Leveraging peptide-cellulose interactions to tailor the hierarchy and mechanics of peptide-polymer hybrids. J Mater Chem B 2023; 11:5594-5606. [PMID: 37255364 PMCID: PMC10330573 DOI: 10.1039/d3tb00079f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Inspired by spider silk's hierarchical diversity, we leveraged peptide motifs with the capability to tune structural arrangement for controlling the mechanical properties of a conventional polymer framework. The addition of nanofiller with hydrogen bonding sites was used as another pathway towards hierarchical tuning via matrix-filler interactions. Specifically, peptide-polyurea hybrids (PPUs) were combined with cellulose nanocrystals (CNCs) to develop mechanically-tunable nanocomposites via tailored matrix-filler interactions (or peptide-cellulose interactions). In this material platform, we explored the effect of these matrix-filler interactions on the secondary structure, hierarchical ordering, and mechanical properties of the peptide hybrid nanocomposites. Interactions between the peptide matrix and CNCs occur in all of the PPU/CNC nanocomposites, preventing α-helical ordering, but promoting inter-molecular hydrogen bonded β-sheet formation. Depending on peptide and CNC content, the Young's modulus varies from 10 to 150 MPa. Unlike conventional cellulose-reinforced polymer nanocomposites, the mechanical properties of these composite materials are dictated by a balance of CNC reinforcement, peptidic ordering, and microphase-separated morphology. This research highlights that leveraging peptide-cellulose interactions is a strategy to create materials with targeted mechanical properties for a specific application using a limited selection of building blocks.
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Affiliation(s)
- Daseul Jang
- Department of Materials Science and Engineering, University of Delaware, 127 The Green, 201 Dupont Hall, Newark, Delaware, 19716, USA.
| | - Laura E Beckett
- Department of Materials Science and Engineering, University of Delaware, 127 The Green, 201 Dupont Hall, Newark, Delaware, 19716, USA.
| | - Jong Keum
- Center for Nanophase Materials Sciences and Neutron Scattering Division, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, 37830, Tennessee, USA
| | - LaShanda T J Korley
- Department of Materials Science and Engineering, University of Delaware, 127 The Green, 201 Dupont Hall, Newark, Delaware, 19716, USA.
- Department of Chemical and Biomolecular Engineering, University of Delaware, 150 Academy Street, Newark, Delaware, 19716, USA
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2
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Jang D, Thompson CB, Chatterjee S, Korley LT. Engineering bio-inspired peptide-polyurea hybrids with thermo-responsive shape memory behaviour. MOLECULAR SYSTEMS DESIGN & ENGINEERING 2021; 6:1003-1015. [PMID: 35096418 PMCID: PMC8797660 DOI: 10.1039/d1me00043h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Inspired by Nature's tunability driven by the modulation of structural organization, we utilize peptide motifs as an approach to tailor not only hierarchical structure, but also thermo-responsive shape memory properties of conventional polymeric materials. Specifically, poly(β-benzyl-L-aspartate)-b-poly(dimethylsiloxane)-b-poly(β-benzyl-L-aspartate) was incorporated as the soft segment in peptide-polyurea hybrids to manipulate hierarchical ordering through peptide secondary structure and a balance of inter- and intra-molecular hydrogen bonding. Employing these bioinspired peptidic polyureas, we investigated the influence of secondary structure on microphase-separated morphology, and shape fixity and recovery via attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR), small-angle X-ray scattering (SAXS) and dynamic mechanical analysis (DMA). The β-sheet motifs promoted phase mixing through extensive inter-molecular hydrogen bonding between the hard block and peptide segments and provided an increased chain elasticity, resulting in decreased shape fixity compared to a non-peptidic control. In contrast, intra-molecular hydrogen bonding driven by the α-helical arrangements yielded a microphase-separated and hierarchically ordered morphology, leading to an increase in the shape fixing ratio. These results indicate that peptide secondary structure provides a convenient handle for tuning shape memory properties by regulating hydrogen bonding with the surrounding polyurea hard segment, wherein extent of hydrogen bonding and phase mixing between the peptidic block and hard segment dictate the resulting shape memory behaviour. Furthermore, the ability to shift secondary structure as a function of temperature was also demonstrated as a pathway to influence shape memory response. This research highlights that peptide secondary conformation influences the hierarchical ordering and modulates the shape memory response of peptide-polymer hybrids. We anticipate that these findings will enable the design of smart bio-inspired materials with responsive and tailored function via a balance of hydrogen bonding character, structural organization, and mechanics.
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Affiliation(s)
- Daseul Jang
- Department of Materials Science and Engineering, University of Delaware, 127 The Green, 201 Dupont Hall, Newark, DE. USA. 19716
| | - Chase B. Thompson
- Department of Materials Science and Engineering, University of Delaware, 127 The Green, 201 Dupont Hall, Newark, DE. USA. 19716
| | - Sourav Chatterjee
- Department of Materials Science and Engineering, University of Delaware, 127 The Green, 201 Dupont Hall, Newark, DE. USA. 19716
| | - LaShanda T.J. Korley
- Department of Materials Science and Engineering, University of Delaware, 127 The Green, 201 Dupont Hall, Newark, DE. USA. 19716
- Department of Chemical and Biomolecular Engineering, University of Delaware, 151 Academy St. Newark, DE, 19716
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3
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Wang F, Yang Z, Li J, Zhang C, Sun P. Bioinspired Polyurethane Using Multifunctional Block Modules with Synergistic Dynamic Bonds. ACS Macro Lett 2021; 10:510-517. [PMID: 35570774 DOI: 10.1021/acsmacrolett.1c00054] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Nature embraces an intriguing strategy to create high-performance biomaterials, such as spider silk which presents an unparalleled combination of stiffness, tensile strength, and toughness via hierarchical structures. However, to fabricate synthetic polymers with such excellent properties remains a challenging task. Inspired by the integration of multiblock backbone and densely H-bonding assemblies in spider silk as well as the delicate iron-catecholate complexes in mussel byssus, we proposed a novel molecular design with multifunctional block modules to obtain polymer materials that exhibit excellent mechanical property, self-healing ability, and reprocessability. It was achieved by introducing reversible iron-catechol (DOPA-Fe3+) cross-links and quadruple H-bonds bearing 2-ureido-4-[1H]-pyrimidinone (UPy) dimers as multifunctional blocks into a segmented polyurethane backbone with urethane blocks and semicrystalline polycaprolactone (PCL) blocks. These two types of dynamic cross-linking knots served as the sacrificial bonds to dissipate energy efficiently under external stress burden, endowing the dual physical cross-linked networks with increased toughness and breaking elongation. Moreover, the DOPA-Fe3+ complexes could increase the crystallization of PCL, leading to remarkably enhanced Young's modulus and tensile strength. Solid-state NMR revealed the formation of quadruple H-bonds in UPy dimers and the presence of DOPA-Fe3+ complexes, which restricted the mobility of the mobile phase and enhanced the crystallinity of the PCL domain. This work provides a feasible way to develop bioinspired materials with self-healable and reprocessable features, in addition to balanced enhancement of both stiffness and toughness.
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Affiliation(s)
- Fenfen Wang
- Key Laboratory of Functional Polymer Materials of Ministry of Education and College of Chemistry, Nankai University, Tianjin 300071, China
| | - Zhijun Yang
- Key Laboratory of Functional Polymer Materials of Ministry of Education and College of Chemistry, Nankai University, Tianjin 300071, China
| | - Jian Li
- Key Laboratory of Functional Polymer Materials of Ministry of Education and College of Chemistry, Nankai University, Tianjin 300071, China
| | - Chi Zhang
- Key Laboratory of Functional Polymer Materials of Ministry of Education and College of Chemistry, Nankai University, Tianjin 300071, China
| | - Pingchuan Sun
- Key Laboratory of Functional Polymer Materials of Ministry of Education and College of Chemistry, Nankai University, Tianjin 300071, China
- State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, China
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4
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Amorphous and Crystallizable Thermoplastic Polyureas Synthesized through a One-pot Non-isocyanate Route. CHINESE JOURNAL OF POLYMER SCIENCE 2018. [DOI: 10.1007/s10118-018-2165-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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5
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Gu L, Jiang Y, Hu J. Facile Preparation of Highly Stretchable and Recovery Peptide-Polyurethane/Ureas. Polymers (Basel) 2018; 10:E637. [PMID: 30966671 PMCID: PMC6403790 DOI: 10.3390/polym10060637] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 06/04/2018] [Accepted: 06/05/2018] [Indexed: 11/24/2022] Open
Abstract
In this work, a new class of highly stretchable peptide-polyurethane/ureas (PUUs) were synthesized containing short β-sheet forming peptide blocks of poly(γ-benzyl-l-glutamate)-b-poly(propylene glycol)-b-poly(γ-benzyl-l-glutamate) (PBLG-b-PPG-b-PBLG), isophorone diisocyanate as the hard segment, and polytetramethylene ether glycol as the soft phase. PBLG-b-PPG-b-PBLG with short peptide segment length (<10 residues) was synthesized by amine-initiated ring opening polymerization of γ-benzyl-l-glutamate-N-carboxyanhydrides (BLG-NCA), which shows mixed α-helix and β-sheet conformation, where the percent of β-sheet structure was above 48%. Morphological studies indicate that the obtained PUUs show β-sheet crystal and nanofibrous structure. Mechanical tests reveal the PUUs display medium tensile strength (0.25⁻4.6 MPa), high stretchability (>1600%), human-tissue-compatible Young's modulus (226⁻513 KPa). Furthermore, the shape recovery ratio could reach above 85% during successive cycles at high strain (500%). In this study, we report a facile synthetic method to obtain highly stretchable and recovery peptide-polyurethane/urea materials, which will have various potential applications such as wearable and implantable electronics, and biomedical devices.
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Affiliation(s)
- Lin Gu
- Key Laboratory of Marine Materials and Related Technologies, Key Laboratory of Marine Materials and Protective Technologies of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China.
- Institute of Textiles & Clothing, The Hong Kong Polytechnic University, Hong Kong 999077, China.
| | - Yuanzhang Jiang
- Institute of Textiles & Clothing, The Hong Kong Polytechnic University, Hong Kong 999077, China.
| | - Jinlian Hu
- Institute of Textiles & Clothing, The Hong Kong Polytechnic University, Hong Kong 999077, China.
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6
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Goor OJGM, Hendrikse SIS, Dankers PYW, Meijer EW. From supramolecular polymers to multi-component biomaterials. Chem Soc Rev 2018; 46:6621-6637. [PMID: 28991958 DOI: 10.1039/c7cs00564d] [Citation(s) in RCA: 247] [Impact Index Per Article: 41.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The most striking and general property of the biological fibrous architectures in the extracellular matrix (ECM) is the strong and directional interaction between biologically active protein subunits. These fibers display rich dynamic behavior without losing their architectural integrity. The complexity of the ECM taking care of many essential properties has inspired synthetic chemists to mimic these properties in artificial one-dimensional fibrous structures with the aim to arrive at multi-component biomaterials. Due to the dynamic character required for interaction with natural tissue, supramolecular biomaterials are promising candidates for regenerative medicine. Depending on the application area, and thereby the design criteria of these multi-component fibrous biomaterials, they are used as elastomeric materials or hydrogel systems. Elastomeric materials are designed to have load bearing properties whereas hydrogels are proposed to support in vitro cell culture. Although the chemical structures and systems designed and studied today are rather simple compared to the complexity of the ECM, the first examples of these functional supramolecular biomaterials reaching the clinic have been reported. The basic concept of many of these supramolecular biomaterials is based on their ability to adapt to cell behavior as a result of dynamic non-covalent interactions. In this review, we show the translation of one-dimensional supramolecular polymers into multi-component functional biomaterials for regenerative medicine applications.
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Affiliation(s)
- Olga J G M Goor
- Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.
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7
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Trovatti E, Tang H, Hajian A, Meng Q, Gandini A, Berglund LA, Zhou Q. Enhancing strength and toughness of cellulose nanofibril network structures with an adhesive peptide. Carbohydr Polym 2018; 181:256-263. [DOI: 10.1016/j.carbpol.2017.10.073] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Revised: 09/19/2017] [Accepted: 10/22/2017] [Indexed: 11/29/2022]
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8
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Araújo A, Olsen BD, Machado AV. Engineering Elastin-Like Polypeptide-Poly(ethylene glycol) Multiblock Physical Networks. Biomacromolecules 2018; 19:329-339. [PMID: 29253332 DOI: 10.1021/acs.biomac.7b01424] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Hybrids of protein biopolymers and synthetic polymers are a promising new class of soft materials, as the advantages of each component can be complementary. A recombinant elastin-like polypeptide (ELP) was conjugated to poly(ethylene glycol) (PEG) by macromolecular coupling in solution to form multiblock ELP-PEG copolymers. The hydrated copolymer preserved the thermoresponsive properties from the ELP block and formed hydrogels with different transition temperatures depending on salt concentration. Small angle scattering indicates that the copolymer hydrogels form sphere-like aggregates with a "fuzzy" interface, while the films form a fractal network of nanoscale aggregates. The use of solutions with different salt concentrations to prepare the hydrogels was found to influence the transition temperature, the mechanical properties, and the size of the nanoscale structure of the hydrogel without changing the secondary structure of the ELP. The salt variation and the addition of a plasticizer also affected the nanoscale structure and the mechanical characteristics of the films.
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Affiliation(s)
- Andreia Araújo
- Institute for Polymers and Composites/I3N, University of Minho , Campus de Azurém, 4800-058 Guimarães, Portugal
| | - Bradley D Olsen
- Department of Chemical Engineering, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
| | - Ana Vera Machado
- Institute for Polymers and Composites/I3N, University of Minho , Campus de Azurém, 4800-058 Guimarães, Portugal
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9
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Pang B, Zhang J, Pang M, Zhao P, Yang Z, Feng S, Zhang J. Design and preparation of a new polyurea–polysiloxane–polyether copolymer with a block soft segment prepared by utilizing aza-Michael addition reaction. Polym Chem 2018. [DOI: 10.1039/c7py01525a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel polyurea–polysiloxane–polyether copolymer has been prepared which displays mild microphase separation and high mechanical strength.
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Affiliation(s)
- Bo Pang
- Key Laboratory of Special Functional Aggregated Materials & Key Laboratory of Colloid and Interface Chemistry (Shandong University)
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
| | - Jingzhe Zhang
- Key Laboratory of Special Functional Aggregated Materials & Key Laboratory of Colloid and Interface Chemistry (Shandong University)
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
| | - Minglei Pang
- Institute of Shandong Non-Metallica Materials. Jinan 250031
- P.R. China
| | - Peijian Zhao
- Key Laboratory of Special Functional Aggregated Materials & Key Laboratory of Colloid and Interface Chemistry (Shandong University)
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
| | - Zhen Yang
- Key Laboratory of Special Functional Aggregated Materials & Key Laboratory of Colloid and Interface Chemistry (Shandong University)
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
| | - Shengyu Feng
- Key Laboratory of Special Functional Aggregated Materials & Key Laboratory of Colloid and Interface Chemistry (Shandong University)
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
| | - Jie Zhang
- Key Laboratory of Special Functional Aggregated Materials & Key Laboratory of Colloid and Interface Chemistry (Shandong University)
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
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10
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Motokucho S, Nakayama Y, Morikawa H, Nakatani H. Environment-friendly chemical recycling of aliphatic polyurethanes by hydrolysis in a CO2
-water system. J Appl Polym Sci 2017. [DOI: 10.1002/app.45897] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Suguru Motokucho
- Chemistry and Material Engineering Program; Nagasaki University; 1-14, Bunkyo-Machi, Nagasaki-shi 852-8521 Japan
| | - Yu Nakayama
- Chemistry and Material Engineering Program; Nagasaki University; 1-14, Bunkyo-Machi, Nagasaki-shi 852-8521 Japan
| | - Hiroshi Morikawa
- Department of Applied Chemistry; Kanagawa Institute of Technology; 1030, Shimo-ogino, Atsugi, Kanagawa 243-0292 Japan
| | - Hisayuki Nakatani
- Chemistry and Material Engineering Program; Nagasaki University; 1-14, Bunkyo-Machi, Nagasaki-shi 852-8521 Japan
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11
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Thompson CB, Korley LTJ. Harnessing Supramolecular and Peptidic Self-Assembly for the Construction of Reinforced Polymeric Tissue Scaffolds. Bioconjug Chem 2017; 28:1325-1339. [DOI: 10.1021/acs.bioconjchem.7b00115] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Chase B. Thompson
- Department of Macromolecular
Science and Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - LaShanda T. J. Korley
- Department of Macromolecular
Science and Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
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12
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Matolyak LE, Keum JK, Van de Voorde KM, Korley LTJ. Synthetic approach to tailored physical associations in peptide-polyurea/polyurethane hybrids. Org Biomol Chem 2017; 15:7607-7617. [DOI: 10.1039/c7ob01352c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Tailored physical interactions were utilized to tune hierarchical organization and mechanical response in peptide-polymer hybrids.
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Affiliation(s)
- L. E. Matolyak
- Department of Macromolecular Science and Engineering
- Case Western Reserve University
- Cleveland
- USA
| | - J. K. Keum
- Center for Nanophase Materials Sciences and Chemical and Engineering Materials Division
- Oak Ridge National Laboratory
- Oak Ridge
- USA
| | - K. M. Van de Voorde
- Department of Macromolecular Science and Engineering
- Case Western Reserve University
- Cleveland
- USA
| | - L. T. J. Korley
- Department of Macromolecular Science and Engineering
- Case Western Reserve University
- Cleveland
- USA
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13
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Matolyak L, Keum J, Korley LTJ. Molecular Design: Network Architecture and Its Impact on the Organization and Mechanics of Peptide-Polyurea Hybrids. Biomacromolecules 2016; 17:3931-3939. [DOI: 10.1021/acs.biomac.6b01309] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Lindsay Matolyak
- Department
of Macromolecular Science and Engineering, Case Western Reserve University, 2100 Adelbert Road, Cleveland, Ohio 44106-7202, United States
| | - Jong Keum
- Center
for Nanophase Materials Sciences and Chemical and Engineering Materials
Division, Oak Ridge National Laboratory, 1 Bethel Valley Rd, Oak Ridge, Tennessee 37831, United States
| | - LaShanda T. J. Korley
- Department
of Macromolecular Science and Engineering, Case Western Reserve University, 2100 Adelbert Road, Cleveland, Ohio 44106-7202, United States
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14
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Li S, Sang Z, Zhao J, Zhang Z, Zhang J, Yang W. Crystallizable and Tough Aliphatic Thermoplastic Polyureas Synthesized through a Nonisocyanate Route. Ind Eng Chem Res 2016. [DOI: 10.1021/acs.iecr.5b04083] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Suqing Li
- Key Laboratory of Carbon
Fiber and Functional Polymers (Beijing University of Chemical Technology),
Ministry of Education; State Key Laboratory of Chemical Resource Engineering;
College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Zhihui Sang
- Key Laboratory of Carbon
Fiber and Functional Polymers (Beijing University of Chemical Technology),
Ministry of Education; State Key Laboratory of Chemical Resource Engineering;
College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jingbo Zhao
- Key Laboratory of Carbon
Fiber and Functional Polymers (Beijing University of Chemical Technology),
Ministry of Education; State Key Laboratory of Chemical Resource Engineering;
College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Zhiyuan Zhang
- Key Laboratory of Carbon
Fiber and Functional Polymers (Beijing University of Chemical Technology),
Ministry of Education; State Key Laboratory of Chemical Resource Engineering;
College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Junying Zhang
- Key Laboratory of Carbon
Fiber and Functional Polymers (Beijing University of Chemical Technology),
Ministry of Education; State Key Laboratory of Chemical Resource Engineering;
College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Wantai Yang
- Key Laboratory of Carbon
Fiber and Functional Polymers (Beijing University of Chemical Technology),
Ministry of Education; State Key Laboratory of Chemical Resource Engineering;
College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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15
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Wei X, Ren L, Bagdi K, Seethamraju K, Faust R. Morphology and Mechanical Properties of Thermoplastic Polyurethanes Containing Polyisobutylene/Poly(tetramethylene oxide) Mixed Segments. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2015. [DOI: 10.1080/10601325.2015.1080087] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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16
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Chen S, Wang F, Peng Y, Chen T, Wu Q, Sun P. A Single Molecular Diels-Alder Crosslinker for Achieving Recyclable Cross-Linked Polymers. Macromol Rapid Commun 2015; 36:1687-92. [DOI: 10.1002/marc.201500257] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Revised: 06/23/2015] [Indexed: 11/07/2022]
Affiliation(s)
- Shengli Chen
- Key Laboratory of Functional Polymer Materials of Ministry of Education; College of Chemistry; Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin 300071 P. R. China
| | - Fenfen Wang
- Key Laboratory of Functional Polymer Materials of Ministry of Education; College of Chemistry; Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin 300071 P. R. China
| | - Yongjin Peng
- School of Physics; Nankai University; Tianjin 300071 P. R. China
| | - Tiehong Chen
- Key Laboratory of Functional Polymer Materials of Ministry of Education; College of Chemistry; Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin 300071 P. R. China
| | - Qiang Wu
- Key Laboratory of Functional Polymer Materials of Ministry of Education; College of Chemistry; Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin 300071 P. R. China
| | - Pingchuan Sun
- Key Laboratory of Functional Polymer Materials of Ministry of Education; College of Chemistry; Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin 300071 P. R. China
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17
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Hydrogen Bonding in Supramolecular Polymer Networks: Glasses, Melts, and Elastomers. SUPRAMOLECULAR POLYMER NETWORKS AND GELS 2015. [DOI: 10.1007/978-3-319-15404-6_2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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18
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Johnson JC, Korley LTJ, Tsige M. Coarse-Grained Modeling of Peptidic/PDMS Triblock Morphology. J Phys Chem B 2014; 118:13718-28. [DOI: 10.1021/jp506553v] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- J. Casey Johnson
- Department
of Macromolecular Science and Engineering, Case Western Reserve University, 2100 Adelbert Road, Cleveland, Ohio 44106, United States
| | - LaShanda T. J. Korley
- Department
of Macromolecular Science and Engineering, Case Western Reserve University, 2100 Adelbert Road, Cleveland, Ohio 44106, United States
| | - Mesfin Tsige
- Department of Polymer Science, The University of Akron, Goodyear Polymer Center 1021, Akron, Ohio 44325, United States
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19
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Zhang R, Yu S, Chen S, Wu Q, Chen T, Sun P, Li B, Ding D. Reversible Cross-Linking, Microdomain Structure, and Heterogeneous Dynamics in Thermally Reversible Cross-Linked Polyurethane as Revealed by Solid-State NMR. J Phys Chem B 2014; 118:1126-37. [DOI: 10.1021/jp409893f] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Rongchun Zhang
- School
of Physics, Nankai University, Tianjin, 300071, P. R. China
| | - Shen Yu
- Key
Laboratory of Functional Polymer Materials, Ministry of Education,
College of Chemistry, Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering
(Tianjin), Tianjin, 300071, P. R. China
| | - Shengli Chen
- Key
Laboratory of Functional Polymer Materials, Ministry of Education,
College of Chemistry, Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering
(Tianjin), Tianjin, 300071, P. R. China
| | - Qiang Wu
- Key
Laboratory of Functional Polymer Materials, Ministry of Education,
College of Chemistry, Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering
(Tianjin), Tianjin, 300071, P. R. China
| | - Tiehong Chen
- Key
Laboratory of Functional Polymer Materials, Ministry of Education,
College of Chemistry, Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering
(Tianjin), Tianjin, 300071, P. R. China
| | - Pingchuan Sun
- Key
Laboratory of Functional Polymer Materials, Ministry of Education,
College of Chemistry, Nankai University, and Collaborative Innovation Center of Chemical Science and Engineering
(Tianjin), Tianjin, 300071, P. R. China
| | - Baohui Li
- School
of Physics, Nankai University, Tianjin, 300071, P. R. China
| | - Datong Ding
- School
of Physics, Nankai University, Tianjin, 300071, P. R. China
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Johnson JC, Wanasekara ND, Korley LTJ. Influence of secondary structure and hydrogen-bonding arrangement on the mechanical properties of peptidic-polyurea hybrids. J Mater Chem B 2014; 2:2554-2561. [DOI: 10.1039/c3tb21476a] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Liu H, Zhou J, Zuo D, Liu X, Gu S, Xu W. Silk-inspired polyurethane containing glyalaglyala tetrapeptide. III. morphological, thermal, and mechanical features of electrosprayed and electrospun deposition. J Appl Polym Sci 2013. [DOI: 10.1002/app.40245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hongtao Liu
- Key Laboratory for Textile Fibers and Products of Ministry of Education; Department of Polymer Material and Engineering; School of Materials Science and Engineering; Wuhan Textile University; Wuhan Hubei Province 430200 People's Republic of China
| | - Jiangang Zhou
- Key Laboratory for Textile Fibers and Products of Ministry of Education; Department of Polymer Material and Engineering; School of Materials Science and Engineering; Wuhan Textile University; Wuhan Hubei Province 430200 People's Republic of China
| | - Danying Zuo
- Key Laboratory for Textile Fibers and Products of Ministry of Education; Department of Polymer Material and Engineering; School of Materials Science and Engineering; Wuhan Textile University; Wuhan Hubei Province 430200 People's Republic of China
| | - Xiuying Liu
- Key Laboratory for Textile Fibers and Products of Ministry of Education; Department of Polymer Material and Engineering; School of Materials Science and Engineering; Wuhan Textile University; Wuhan Hubei Province 430200 People's Republic of China
| | - Shaojin Gu
- Key Laboratory for Textile Fibers and Products of Ministry of Education; Department of Polymer Material and Engineering; School of Materials Science and Engineering; Wuhan Textile University; Wuhan Hubei Province 430200 People's Republic of China
| | - Weilin Xu
- Key Laboratory for Textile Fibers and Products of Ministry of Education; Department of Polymer Material and Engineering; School of Materials Science and Engineering; Wuhan Textile University; Wuhan Hubei Province 430200 People's Republic of China
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Liu H, Zhou J, Liu X, Zuo D, Gu S, Xu W. Silk-inspired polyurethane containing GlyAlaGlyAla tetrapeptide. II. physical properties and structure. J Appl Polym Sci 2013. [DOI: 10.1002/app.39185] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Yu S, Zhang R, Wu Q, Chen T, Sun P. Bio-inspired high-performance and recyclable cross-linked polymers. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2013; 25:4912-4917. [PMID: 23861235 DOI: 10.1002/adma.201301513] [Citation(s) in RCA: 125] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2013] [Revised: 05/24/2013] [Indexed: 06/02/2023]
Abstract
Bio-inspired molecular design and synthesis of high-performance and recyclable cross-linked polymers is reported. Reversible cross-links between hard segments are incorporated into linear segmented polyurethane via Diels-Alder reaction between maleimide pendant group and furan cross-linker. The materials form hierarchical structure and exhibit excellent properties with high stiffness, strength and toughness, and can be easily thermally reshaped and re-mended.
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Affiliation(s)
- Shen Yu
- Key Laboratory of Functional Polymer Materials of MOE, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
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Burt TM, Jordan AM, Korley LTJ. Toward anisotropic materials via forced assembly coextrusion. ACS APPLIED MATERIALS & INTERFACES 2012; 4:5155-5161. [PMID: 22991945 DOI: 10.1021/am301072s] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Multilayer coextrusion offers a diverse platform to examine layer dependent confinement effects on self-assembling nanomaterials via conventional extrusion technology. A triblock copolymer (BCP) with a cylindrical microstructure was processed via "forced assembly" to elucidate the effect of microdomain orientation on the mechanical behavior of multilayer films. The mechanical response was investigated in both the extrusion (ED) and transverse directions (TD) of the multilayer systems, revealing an influence of both cylinder-orientation and the interface on the mechanical response with decreasing layer thickness. The stress-strain curves for samples with the stress field along the cylinder axis revealed a sharp yielding phenomenon, while curves for specimens with the stress field applied perpendicular to the axis exhibited weak yielding behavior. The extensibility of the multilayer films stressed in the ED increases with decreasing layer thickness, but remains constant when deformed along the TD. Coextrusion technology allows for tunable mechanical toughness in industrial grade polymers via a continuous process. By altering the layer thickness of the two polymeric materials, we can tune the mechanics from strong, brittle behavior to a tough, ductile response by manipulation of the hierarchical structure. The enabling technology provides a unique platform to couple the inherent mechanical response of dissimilar polymers and allows for the design of composite materials with tailored mechanics.
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Affiliation(s)
- Tiffani M Burt
- Department of Macromolecular Science and Engineering, and Center for Layered Polymeric Systems, Case Western Reserve University, Cleveland, Ohio 44106-7202, USA
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Dehn S, Castelletto V, Hamley IW, Perrier S. Altering peptide fibrillization by polymer conjugation. Biomacromolecules 2012; 13:2739-47. [PMID: 22770360 DOI: 10.1021/bm3007117] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A strategy is presented that exploits the ability of synthetic polymers of different nature to disturb the strong self-assembly capabilities of amyloid based β-sheet forming peptides. Following a convergent approach, the peptides of interest were synthesized via solid-phase peptide synthesis (SPPS) and the polymers via reversible addition-fragmentation chain transfer (RAFT) polymerization, followed by a copper(I) catalyzed azide-alkyne cycloaddition (CuAAC) to generate the desired peptide-polymer conjugates. This study focuses on a modified version of the core sequence of the β-amyloid peptide (Aβ), Aβ(16-20) (KLVFF). The influence of attaching short poly(N-isopropylacrylamide) and poly(hydroxyethylacrylate) to the peptide sequences on the self-assembly properties of the hybrid materials were studied via infrared spectroscopy, TEM, circular dichroism and SAXS. The findings indicate that attaching these polymers disturbs the strong self-assembly properties of the biomolecules to a certain degree and permits to influence the aggregation of the peptides based on their β-sheets forming abilities. This study presents an innovative route toward targeted and controlled assembly of amyloid-like fibers to drive the formation of polymeric nanomaterials.
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Affiliation(s)
- Sabrina Dehn
- Key Centre for Polymers and Colloids, School of Chemistry, The University of Sydney, NSW, 2006, Australia
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