PH-INDUCED SWELLING KINETICS OF POLYELECTROLYTE HYDROGELS

被引:61
作者
CHU, Y
VARANASI, PP
MCGLADE, MJ
VARANASI, S
机构
[1] UNIV N CAROLINA,DEPT CHEM,CHAPEL HILL,NC 27599
[2] SC JOHNSON & SON INC,RACINE,WI 53403
[3] UNIV TOLEDO,DEPT CHEM ENGN,TOLEDO,OH 43606
关键词
D O I
10.1002/app.1995.070581203
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Through swelling experiments on polyelectrolyte (HEMA/DMA) hydrogels, pH-induced swelling kinetics is found to be best described by a diffusion-mechanical relaxation incorporated model. The theory of equilibrium swelling is quantitatively combined into the model of swelling kinetics. By doing so, the advantage is taken of applying relatively more matured knowledge of gel swelling thermodynamics to predict less knowledgeable dynamic behavior of gels. (C) 1995 John Wiley & Sons, Inc.
引用
收藏
页码:2161 / 2176
页数:16
相关论文
共 26 条
[11]   KINETICS OF ELECTRICALLY AND CHEMICALLY-INDUCED SWELLING IN POLYELECTROLYTE GELS [J].
GRIMSHAW, PE ;
NUSSBAUM, JH ;
GRODZINSKY, AJ ;
YARMUSH, ML .
JOURNAL OF CHEMICAL PHYSICS, 1990, 93 (06) :4462-4472
[12]   DYNAMIC MEMBRANES FOR PROTEIN-TRANSPORT - CHEMICAL AND ELECTRICAL CONTROL [J].
GRIMSHAW, PE ;
GRODZINSKY, AJ ;
YARMUSH, ML ;
YARMUSH, DM .
CHEMICAL ENGINEERING SCIENCE, 1989, 44 (04) :827-840
[13]  
Helfferich F., 1962, ION EXCHANGE
[14]  
Horbett T.A., 1983, RECENT ADV DRUG DELI, P209
[15]  
JANACEK J, 1973, J MACROMOL SCI R M C, VC 9, P1
[16]   DIFFUSION OF ACETONE INTO POLYVINYL ACETATE ABOVE AND BELOW THE 2ND-ORDER TRANSITION [J].
KOKES, RJ ;
LONG, FA ;
HOARD, JL .
JOURNAL OF CHEMICAL PHYSICS, 1952, 20 (11) :1711-1716
[17]   THE DIFFUSION OF ELECTROLYTES IN A CATION-EXCHANGE RESIN MEMBRANE .1. THEORETICAL [J].
MACKIE, JS ;
MEARES, P .
PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1955, 232 (1191) :498-509
[18]   PROTON DIFFUSION REACTION IN A PROTEIN POLY-ELECTROLYTE MEMBRANE AND THE KINETICS OF ELECTRO-MECHANICAL FORCES [J].
NUSSBAUM, JH ;
GRODZINSKY, AJ .
JOURNAL OF MEMBRANE SCIENCE, 1981, 8 (02) :193-219
[19]  
Peppas N.A, 1987, HYDROGELS MED PHARM, VII, P49
[20]   ACID GENERATING IMMOBILIZED ENZYMIC REACTIONS IN POROUS MEDIA-ACTIVITY CONTROL VIA AUGMENTATION OF PROTON DIFFUSION BY WEAK ACIDS [J].
RUCKENSTEIN, E ;
SASIDHAR, V .
CHEMICAL ENGINEERING SCIENCE, 1984, 39 (7-8) :1185-1200