期刊
POLYMER SCIENCE SERIES A
卷 52, 期 12, 页码 1292-1300出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0965545X10120072
关键词
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DSC and NMR are employed to determine the glass-transition temperatures and the structural features of polybutadienes with widely varying configuration isomeric compositions. The dependences of the glass-transition temperature on the contents of cis-1,4-, trans-1,4, and 1,2-units in polybutadiene chains are plotted and discussed. An analysis of the experimental results and the published data suggests that, in the study of the glass-transition-structure relationship, simplified approaches are inapplicable and it is necessary to consider the configurational and conformational geometry of polybutadiene chains.
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