EFFECT OF INITIAL SAMPLE ANISOTROPY ON THE SOLVENT SORPTION KINETICS OF GLASSY POLY(2-HYDROXYETHYL METHACRYLATE)

被引：13

作者：

BIREN, D ^{[1
]}

KABRA, BG ^{[1
]}

GEHRKE, SH ^{[1
]}

机构：

[1] UNIV CINCINNATI,DEPT CHEM ENGN,CINCINNATI,OH 45221

来源：

POLYMER | 1992年 / 33卷 / 03期

基金：

美国国家科学基金会;

关键词：

POLY(2-HYDROXYETHYL METHACRYLATE); ANOMALOUS TRANSPORT; DIFFUSION; SORPTION; SWELLING KINETICS;

D O I：

10.1016/0032-3861(92)90732-C

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

When moving solvent fronts meet at the centre of a glassy polymer during sorption of solvent, making the sample entirely rubbery, sudden changes in the area, thickness and sorption rate typically occur. Examination of the sorption of water and methanol by glassy poly(2-hydroxyethyl methacrylate) showed that the magnitudes and directions of these changes can be readily modified by creating anisotropic stresses within the glassy polymer by controlled deformation of the sample prior to solvent sorption. However, the transport mechanism and sorption kinetics were not significantly altered by differing levels of initial sample anisotropy.

引用

页码：554 / 561

页数：8

共 18 条

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