INTERPENETRATING HYDROGEL NETWORKS .2. SWELLING AND MECHANICAL-PROPERTIES OF THE GELATIN POLYACRYLAMIDE INTERPENETRATING NETWORKS

被引:47
作者
KAUR, H [1 ]
CHATTERJI, PR [1 ]
机构
[1] INDIAN INST CHEM TECHNOL,HYDERABAD 500007,INDIA
关键词
D O I
10.1021/ma00224a016
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
In situ polymerization of acrylamide-bisacrylamide mixtures in a gelatin medium with subsequent cross-linking of gelatin chains using the bifunctional reagent glutaraldehyde yields interpenetrating networks (IPNs) of the two polymers. Here we report the swelling characteristics and mechanical properties of these networks. The matrix being nonionic, the swelling is not affected by electrolytes. The isotropic swelling of the full IPNs emphasizes the randomness of network formation and hence extensive interpenetration of the two networks at the mesh level. Mechanical properties of these IPN films, like the ultimate strength and elongation at break, show compositional dependence. © 1990, American Chemical Society. All rights reserved.
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页码:4868 / 4871
页数:4
相关论文
共 17 条
[1]   EFFECT OF VARYING CROSSLINKING DENSITY ON POLYACRYLAMIDE GELS [J].
BANSIL, R ;
GUPTA, MK .
FERROELECTRICS, 1980, 30 (1-4) :63-71
[2]  
CANDAU S, 1982, ADV POLYM SCI, V44, P27
[3]  
CHATTERJI PR, 1990, J MACROMOL SCI CHEM, VA27, P435
[4]   GELATIN WITH HYDROPHILIC HYDROPHOBIC GRAFTS AND GLUTARALDEHYDE CROSSLINKS [J].
CHATTERJI, PR .
JOURNAL OF APPLIED POLYMER SCIENCE, 1989, 37 (08) :2203-2212
[5]   INTERPENETRATING HYDROGEL NETWORKS .1. THE GELATIN POLYACRYLAMIDE SYSTEM [J].
CHATTERJI, PR .
JOURNAL OF APPLIED POLYMER SCIENCE, 1990, 40 (3-4) :401-410
[6]   A NOVEL NONIONIC HYDROGEL FROM 2-METHYL-2-OXAZOLINE [J].
CHUJO, Y ;
YOSHIFUJI, Y ;
SADA, K ;
SAEGUSA, T .
MACROMOLECULES, 1989, 22 (03) :1074-1077
[7]   SWELLING OF POLYMER GELS [J].
DAOUD, M ;
BOUCHAUD, E ;
JANNINK, G .
MACROMOLECULES, 1986, 19 (07) :1955-1960
[8]   Statistical mechanics of cross-linked polymer networks II Swelling [J].
Flory, PJ ;
Rehner, J .
JOURNAL OF CHEMICAL PHYSICS, 1943, 11 (11) :521-526
[9]   PHASE-TRANSITION IN SWOLLEN GELS .6. EFFECT OF AGING ON THE EXTENT OF HYDROLYSIS OF AQUEOUS POLYACRYLAMIDE SOLUTIONS AND ON THE COLLAPSE OF GELS [J].
ILAVSKY, M ;
HROUZ, J ;
STEJSKAL, J ;
BOUCHAL, K .
MACROMOLECULES, 1984, 17 (12) :2868-2874
[10]   NETWORK FORMATION IN POLYACRYLAMIDE GELS [J].
NOSSAL, R .
MACROMOLECULES, 1985, 18 (01) :49-54