Citation: Qing-de Chen, Xing-hai Shen, Hong-cheng Gao. Effects of L-Phenylalanine on the Radiation Synthesis of Poly(N,N-Methylenebisacrylamide-co-4-Vinylpyridine) (Micro)gels[J]. Chinese Journal of Polymer Science, ;2005, 23(6): 643-650. shu

Effects of L-Phenylalanine on the Radiation Synthesis of Poly(N,N-Methylenebisacrylamide-co-4-Vinylpyridine) (Micro)gels

Corresponding author: Xing-hai Shen,
Received Date: 29 November 2004
Revised Date: 31 January 2005

The effects of L-phenylalanine (L-Phe) on the synthesis of poly(N,N-methylenebisacrylamide-co-4-vinylpyridine) (poly(Bis-co-4-VP)) (micro)gels by -ray irradiation were studied. The addition of L-Phe could not only decrease the gelation dose (Dg) of the synthesis obviously, but also transform the morphology of copolymer from microgel to gel. In addition, the swelling ability of the (micro)gels was also affected in the presence of L-Phe. The decrease of Dg was ascribed to the effect of pH, while the transformation of the morphology was ascribed to the effect of L-Phe on the stability of the poly(Bis-co-4-VP) microgel. Such an effect was confirmed further as compared with the effects of L-alanine, L-glutamic acid, L-arginine, sulfuric acid and aqueous ammonia.
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