1
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Shang J, Mei S, Zhao D, Deng J. Optically active hybrid particles constructed by chiral helical substituted polyacetylene and POSS. J Appl Polym Sci 2020. [DOI: 10.1002/app.49167] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Jiaqi Shang
- State Key Laboratory of Chemical Resource EngineeringBeijing University of Chemical Technology Beijing China
- College of Materials Science and EngineeringBeijing University of Chemical Technology Beijing China
| | - Song Mei
- State Key Laboratory of Chemical Resource EngineeringBeijing University of Chemical Technology Beijing China
- College of Materials Science and EngineeringBeijing University of Chemical Technology Beijing China
| | - Danyu Zhao
- State Key Laboratory of Chemical Resource EngineeringBeijing University of Chemical Technology Beijing China
- College of Materials Science and EngineeringBeijing University of Chemical Technology Beijing China
| | - Jianping Deng
- State Key Laboratory of Chemical Resource EngineeringBeijing University of Chemical Technology Beijing China
- College of Materials Science and EngineeringBeijing University of Chemical Technology Beijing China
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2
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3
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Zorn R, Lohstroh W, Zamponi M, Harrison WJ, Budd PM, Böhning M, Schönhals A. Molecular Mobility of a Polymer of Intrinsic Microporosity Revealed by Quasielastic Neutron Scattering. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c00963] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Reiner Zorn
- Forschungszentrum Jülich GmbH, Jülich Centre for Neutron Science (JCNS-1), Jülich 52425,Germany
| | - Wiebke Lohstroh
- Heinz Maier-Leibnitz Zentrum (MLZ), Technische Universität München, Lichtenbergstraße 1, Garching 85748, Germany
| | - Michaela Zamponi
- Forschungszentrum Jülich GmbH, Jülich Centre for Neutron Science at MLZ, Lichtenbergstr. 1, Garching 85748, Germany
| | - Wayne J. Harrison
- Department of Chemistry, The University of Manchester, Manchester M13 9PL, United Kingdom
| | - Peter M. Budd
- Department of Chemistry, The University of Manchester, Manchester M13 9PL, United Kingdom
| | - Martin Böhning
- BAM Bundesanstalt für Materialforschung und -prüfung, Unter den Eichen 87, Berlin 12205, Germany
| | - Andreas Schönhals
- BAM Bundesanstalt für Materialforschung und -prüfung, Unter den Eichen 87, Berlin 12205, Germany
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4
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Liu X, Abel BA, Zhao Q, Li S, Choudhury S, Zheng J, Archer LA. Microscopic Origins of Caging and Equilibration of Self-Suspended Hairy Nanoparticles. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b01473] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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5
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Lei Z, Ji J, Wu Q, Zhang J, Wang Y, Jing X, Liu Y. Curing behavior and microstructure of epoxy-POSS modified novolac phenolic resin with different substitution degree. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.121587] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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6
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Nagendiran S, Chandramohan A, Dinakaran K, Alagar M. Octahedral oligomeric silsesquioxane (OAPS and OG) - Polyimide hybrid nanocomposite films: Thermo-mechanical, dielectric and morphology properties. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2019. [DOI: 10.1080/10601325.2019.1653197] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Shanmugam Nagendiran
- Department of Chemical Engineering, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia
| | - Ayyavu Chandramohan
- Department of Chemical Engineering, SSN College of Engineering, Chennai, India
| | | | - Muthukaruppan Alagar
- Centre of Excellence for Advanced Materials Manufacturing Processing and Characterization, Vignan University, Guntur, India
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7
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Tempelman K, Wood JA, Kremer F, Benes NE. Relaxation Dynamics of Thin Matrimid 5218 Films in Organic Solvents. J Phys Chem B 2019; 123:4017-4024. [PMID: 30933502 PMCID: PMC6511941 DOI: 10.1021/acs.jpcb.9b00688] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
Polyimides
are interesting polymer materials for organic solvent
nanofiltration (OSN) applications because of their high excess free
volume and high chemical and temperature resistance. However, an open
challenge that remains for glassy polymer materials (i.e., polyimides)
is their tendency to swell in organic solvents which can lead to a
loss of performance. An understanding on how swelling influences the
polymer properties and performance is then of crucial importance for
assessing polyimide suitability in OSN applications. Here, the combination
of in situ spectroscopic ellipsometry (iSE), broadband dielectric
spectroscopy (BDS), and diffuse reflectance Fourier transform infrared
spectroscopy (DRIFT-FTIR) is applied to study the molecular interaction
of two organic penetrants, toluene and n-hexane,
with Matrimid 5218 in detail. iSE shows that slightly cross-linked
Matrimid 5218 swells approximately seven times more in toluene (swelling
degree ≈ 28%) compared to in n-hexane (swelling
degree ≈ 4%). Combined BDS and DRIFT-FTIR results indicate
that toluene interacts with the benzene ring present in the diamine
via π–π interactions, while n-hexane
likely fills up the excess free volume and interacts via local van
der Waals interactions. This work highlights the insights into the
exact nature of the molecular interactions between the penetrant and
polymer that can be gained from a combination of BDS and other techniques
and how these insights can be used to estimate or understand solvent-induced
swelling of polymers used in OSN applications.
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Affiliation(s)
| | | | - Friedrich Kremer
- Faculty of Physics and Geosciences, Institute for Experimental Physics I , University of Leipzig , Linnéstr. 5 , 04103 Leipzig , Germany
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8
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Qiu J, Xu S, Liu N, Wei K, Li L, Zheng S. Organic-inorganic polyimide nanocomposites containing a tetrafunctional polyhedral oligomeric silsesquioxane amine: synthesis, morphology and thermomechanical properties. POLYM INT 2018. [DOI: 10.1002/pi.5510] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Junjun Qiu
- Department of Polymer Science and Engineering and the State Key Laboratory of Metal Matrix Composites; Shanghai Jiao Tong University; PR China
| | - Sen Xu
- Department of Polymer Science and Engineering and the State Key Laboratory of Metal Matrix Composites; Shanghai Jiao Tong University; PR China
| | - Ning Liu
- Department of Polymer Science and Engineering and the State Key Laboratory of Metal Matrix Composites; Shanghai Jiao Tong University; PR China
| | - Kun Wei
- Department of Polymer Science and Engineering and the State Key Laboratory of Metal Matrix Composites; Shanghai Jiao Tong University; PR China
| | - Lei Li
- Department of Polymer Science and Engineering and the State Key Laboratory of Metal Matrix Composites; Shanghai Jiao Tong University; PR China
| | - Sixun Zheng
- Department of Polymer Science and Engineering and the State Key Laboratory of Metal Matrix Composites; Shanghai Jiao Tong University; PR China
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9
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Synthesis of Janus POSS star polymer and exploring its compatibilization behavior for PLLA/PCL polymer blends. POLYMER 2018. [DOI: 10.1016/j.polymer.2017.12.050] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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10
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Zorn R, Yin H, Lohstroh W, Harrison W, Budd PM, Pauw BR, Böhning M, Schönhals A. Anomalies in the low frequency vibrational density of states for a polymer with intrinsic microporosity – the Boson peak of PIM-1. Phys Chem Chem Phys 2018; 20:1355-1363. [DOI: 10.1039/c7cp07141h] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
For the first time the low frequency vibrational density of states is reported for a polymer with intrinsic microporosity.
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Affiliation(s)
- Reiner Zorn
- Jülich Centre for Neutron Science JCNS and Institute for Complex Systems ICS
- Forschungszentrum Jülich
- 52425 Jülich
- Germany
| | - Huajie Yin
- Bundesanstalt für Materialforschung und-prüfung (BAM)
- 12205 Berlin
- Germany
| | - Wiebke Lohstroh
- Heinz Maier-Leibnitz Zentrum (MLZ)
- Technische Universität München
- 85748 Garching
- Germany
| | - Wayne Harrison
- The University of Manchester
- School of Chemistry
- Manchester M13 9PL
- UK
| | - Peter M. Budd
- The University of Manchester
- School of Chemistry
- Manchester M13 9PL
- UK
| | - Brian R. Pauw
- Bundesanstalt für Materialforschung und-prüfung (BAM)
- 12205 Berlin
- Germany
| | - Martin Böhning
- Bundesanstalt für Materialforschung und-prüfung (BAM)
- 12205 Berlin
- Germany
| | - Andreas Schönhals
- Bundesanstalt für Materialforschung und-prüfung (BAM)
- 12205 Berlin
- Germany
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11
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Moghri M, Zanjanijam AR, Seifi L, Ramezani M. An Investigation on Rheological Behavior of the PVC/NBR/Nanoclay Nanocomposites by Torque Rheometry: The Effects of Formulation Variables Using Response Surface Approach. J Inorg Organomet Polym Mater 2017. [DOI: 10.1007/s10904-017-0682-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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12
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Konnertz N, Ding Y, Harrison WJ, Budd PM, Schönhals A, Böhning M. Molecular mobility and gas transport properties of nanocomposites based on PIM-1 and polyhedral oligomeric phenethyl-silsesquioxanes (POSS). J Memb Sci 2017. [DOI: 10.1016/j.memsci.2017.02.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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13
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Müller N, Handge UA, Abetz V. Physical ageing and lifetime prediction of polymer membranes for gas separation processes. J Memb Sci 2016. [DOI: 10.1016/j.memsci.2016.05.055] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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14
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Koutsoumpis S, Raftopoulos KN, Jancia M, Pagacz J, Hebda E, Papadakis CM, Pielichowski K, Pissis P. POSS Moieties with PEG Vertex Groups as Diluent in Polyurethane Elastomers: Morphology and Phase Separation. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b01394] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Stefanos Koutsoumpis
- Department
of Physics, National Technical University of Athens, Zografou Campus, 157 80 Athens, Greece
| | - Konstantinos N. Raftopoulos
- Department
of Chemistry and Technology of Polymers, Cracow University of Technology, ul.Warszawska 24, 31-155 Kraków, Poland
- Physik-Department,
Fachgebiet Physik weicher Materie, Technische Universität München, James-Franck-Str. 1, 85748 Garching, Germany
| | - Małgorzata Jancia
- Department
of Chemistry and Technology of Polymers, Cracow University of Technology, ul.Warszawska 24, 31-155 Kraków, Poland
| | - Joanna Pagacz
- Wroclaw Research
Centre EIT+, ul. Stablowicka 147, 54-066 Wroclaw, Poland
| | - Edyta Hebda
- Department
of Chemistry and Technology of Polymers, Cracow University of Technology, ul.Warszawska 24, 31-155 Kraków, Poland
| | - Christine M. Papadakis
- Physik-Department,
Fachgebiet Physik weicher Materie, Technische Universität München, James-Franck-Str. 1, 85748 Garching, Germany
| | - Krzysztof Pielichowski
- Department
of Chemistry and Technology of Polymers, Cracow University of Technology, ul.Warszawska 24, 31-155 Kraków, Poland
| | - Polycarpos Pissis
- Department
of Physics, National Technical University of Athens, Zografou Campus, 157 80 Athens, Greece
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15
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Konnertz N, Ding Y, Harrison WJ, Budd PM, Schönhals A, Böhning M. Molecular Mobility of the High Performance Membrane Polymer PIM-1 as Investigated by Dielectric Spectroscopy. ACS Macro Lett 2016; 5:528-532. [PMID: 35607233 DOI: 10.1021/acsmacrolett.6b00209] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The increasing demand for energy efficient separation processes fosters the development of new high performance polymers as selective separation layers for membranes. PIM-1 is the archetypal representative of the class of polymers of intrinsic microporosity (PIM) which are considered most promising in this sector, especially for gas separations. Since their introduction, PIMs stimulated a vast amount of research in this field and meanwhile evolved to the state-of-the-art in membrane technology for gas separation. The major obstacle for extending the practical membrane application is their strong tendency to physical aging. For the first time, investigations by broadband dielectric spectroscopy (BDS) addressing molecular dynamics and conductivity in PIM-1 are presented. As chain packing during film formation from the casting solution and physical aging are key factors determining the separation performance of PIMs as membrane materials, characterization of the molecular mobility in such materials as revealed by BDS will provide valuable information for further development and optimization.
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Affiliation(s)
- Nora Konnertz
- Bundesanstalt für Materialforschung und−prüfung (BAM), Unter den Eichen 87, 12205 Berlin, Germany
| | - Yi Ding
- Bundesanstalt für Materialforschung und−prüfung (BAM), Unter den Eichen 87, 12205 Berlin, Germany
| | - Wayne J. Harrison
- School
of Chemistry, University of Manchester, Manchester M13 9PL, U.K
| | - Peter M. Budd
- School
of Chemistry, University of Manchester, Manchester M13 9PL, U.K
| | - Andreas Schönhals
- Bundesanstalt für Materialforschung und−prüfung (BAM), Unter den Eichen 87, 12205 Berlin, Germany
| | - Martin Böhning
- Bundesanstalt für Materialforschung und−prüfung (BAM), Unter den Eichen 87, 12205 Berlin, Germany
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16
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Hanprasit S, Tungkijanansin N, Prompawilai A, Eangpayung S, Ervithayasuporn V. Synthesis and isolation of non-chromophore cage-rearranged silsesquioxanes from base-catalyzed reactions. Dalton Trans 2016; 45:16117-16120. [DOI: 10.1039/c6dt02585d] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Carbonate (CO32−) anion as a stronger base but poorer in nucleophilicity gives rise exclusively to a cage expansion of unsubstituted products.
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Affiliation(s)
- Sasikarn Hanprasit
- Department of Chemistry
- Center of Excellence for Innovation in Chemistry (PERCH-CIC)
- Center for Catalysis
- Center for Inorganic and Materials Chemistry
- and Center of Intelligent Materials and Systems
| | - Nuttanee Tungkijanansin
- Department of Chemistry
- Center of Excellence for Innovation in Chemistry (PERCH-CIC)
- Center for Catalysis
- Center for Inorganic and Materials Chemistry
- and Center of Intelligent Materials and Systems
| | - Arisa Prompawilai
- Department of Chemistry
- Center of Excellence for Innovation in Chemistry (PERCH-CIC)
- Center for Catalysis
- Center for Inorganic and Materials Chemistry
- and Center of Intelligent Materials and Systems
| | - Supattra Eangpayung
- Department of Chemistry
- Center of Excellence for Innovation in Chemistry (PERCH-CIC)
- Center for Catalysis
- Center for Inorganic and Materials Chemistry
- and Center of Intelligent Materials and Systems
| | - Vuthichai Ervithayasuporn
- Department of Chemistry
- Center of Excellence for Innovation in Chemistry (PERCH-CIC)
- Center for Catalysis
- Center for Inorganic and Materials Chemistry
- and Center of Intelligent Materials and Systems
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