STUDIES ON THE SWELLING AND SHRINKING KINETICS OF CHEMICALLY CROSS-LINKED DISK-SHAPED POLY(VINYL ACETATE) GELS

被引:74
作者
ZRINYI, M [1 ]
ROSTA, J [1 ]
HORKAY, F [1 ]
机构
[1] L EOTVOS UNIV,DEPT COLLOID SCI,H-1117 BUDAPEST,HUNGARY
关键词
D O I
10.1021/ma00064a017
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The kinetics of swelling and shrinking of disk-shaped poly(vinyl acetate) networks swollen in isopropyl alcohol is measured at different temperatures. The cooperative diffusion coefficient and the ratio of the shear modulus over the longitudinal osmotic modulus have been determined by using a theory developed by Li and Tanaka. The macroscopic swelling and deswelling experiments show good agreement with other experimental results as well as with the theoretical predictions.
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页码:3097 / 3102
页数:6
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