PERMEABILITY, SOLUBILITY AND DIFFUSION OF GASES IN AMORPHOUS AND CRYSTALLINE 1,4-POLYBUTADIENE MEMBRANES

被引：25
作者：
COWLING, R
PARK, GS
机构：
[1] Chemistry Department, University of Wales, Institute of Science and Technology, Cardiff
来源：
JOURNAL OF MEMBRANE SCIENCE | 1979年 / 5卷 / 02期
关键词：
D O I：
10.1016/S0376-7388(00)80448-2
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Permeability, diffusion and solubility coefficients of hydrogen, neon, nitrogen, and carbon dioxide have been determined in amorphous (48% trans) and crystalline (90% trans) 1,4-polybutadiene in the temperature range from 15 to 65° C. The effects of crystallinity on transport estimated by the solubility coefficient ratios (S90% trans/S48% trans) and the diffusion coefficient ratios (D90%trans/D48% trans) are greater than for some larger diffusants studied previously. A mesomorphic (crystal/crystal) transition at about 45° C in the 90% trans polymer produces a sudden increase in the permeability with increasing temperature. © 1979.
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页码：199 / 207
页数：9
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