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Gas transport in poly(vinyl cyclohexanecarboxylate)
Author(s) -
Hirose Takuji,
Mizoguchi Keishin,
Kamiya Yoshinori
Publication year - 1988
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1988.070350217
Subject(s) - thermal diffusivity , polymer , vinyl acetate , glass transition , activation energy , diffusion , polymer chemistry , permeation , gaseous diffusion , polarity (international relations) , materials science , pendant group , side chain , chemistry , chemical engineering , thermodynamics , analytical chemistry (journal) , organic chemistry , copolymer , membrane , electrode , cell , biochemistry , physics , engineering
Low‐pressure gas permeation measurements were performed on poly(vinyl cyclohexanecarboxylate) to evaluate its transport characteristics. The transport data of CO 2 , O 2 , N 2 , He, and Ar, were presented as a function of temperature ranging from 15 to 85°C. The apparent transport parameters were determined by the time lag method above and below the glass transition temperature and they were compared with other polymers of similar chemical structures. The side chain of the polymer has a bulky cyclohexyl group, which seemed to increase gas diffusivity. The activation energy for diffusion seemed to be related with the polarity of side chain. The relationships between gas diffusivity, physical properties, and chemical structure were qualitatively discussed in comparison with the data on poly(vinyl benzoate) and poly(vinyl acetate).