Citation: ZHOU Maotang, LI Qian, XU Jiping. STUDY ON ACRYLAMIDE-SODIUM ACRYLATE COPOLYMER GELS[J]. Chinese Journal of Polymer Science, ;1990, 8(3): 211-216. shu

STUDY ON ACRYLAMIDE-SODIUM ACRYLATE COPOLYMER GELS

Received Date: 10 October 1988

Acrylamide-sodium acrylate copolymer hydrogels have been obtained by radiation techniques. Two different methods have been used to introduce—COONa groups into polymer chains of the gels: (1) by partial hydrolysis of acrylamide homopolymer gel; (2) by direct copolymerization and crosslinking of acrylamide and sodium acrylate in aqueous solutions. It was found that the gels obtained in different ways had different properties, the swelling character of the gels obtained by partial hydrolysis were more sensitive to pH of swelling aqueous media.In order to explain these differences,13C-NMR techniques were used to investigate the sequence distribution of monomer units of both gels.
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