期刊
POLYMER SCIENCE SERIES A
卷 54, 期 8, 页码 631-643出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0965545X12070048
关键词
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资金
- Russian Foundation for Basic Research [11-03-00944-a]
- Ministry of Education and Science of the Russian Federation [16.523.12.3001]
Experimental and theoretical investigations, including an all-atom computer simulation, are performed for block samples of thermoplastic polyimides, amorphous R-BAPS (based on R dianhydride 1,3-bis(3',4-dicarboxyphenoxy)benzene and diamine BAPS 4,4'-bis(4aEuro(3)-aminophenoxy)biphenyl sulfone), and crystallizable R-BAPB (based on R dianhydride and diamine BAPB 4,4'-bis(4aEuro(3)-aminophenoxy)biphenyl), which differ in either the presence or absence of the sulfone group in the repeating unit of the polyimide macromolecule. The features of thermophysical, structural, and mechanical properties of R-BAPS and R-BAPB are related to the formation of associates from sulfur and oxygen atoms of the sulfone group that are stabilized by electrostatic interactions.
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