| EFFECTS OF L-PHENYLALANINE ON THE RADIATION SYNTHESIS OF POLY （N,N＇-METHYLENEBIS A CR YLAMIDE-co-4-VINYLPYRID INE） （MICRO）GELS |
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| 作者姓名： | Qing-de Chen Xing-hai Shen Hong-cheng Gao |
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| 作者单位： | Department of Applied Chemistry, College of Chemistry anti Molecular Engineering, Peking University, Beijing 100871, China |
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| 基金项目： | This work was supported by the National Natural Science Foundation of China （Nos. 90206020 and 29901001）. |
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| 摘 要： | The effects of L-phenylalanine （L-Phe） on the synthesis ofpoly（N,N＇-methylenebisacrylamide-co-4-vinylpyridine） （poly（Bis-co-4-VP）） （micro）gels by γ-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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| 关 键 词： | 苯基丙氨酸 γ光线放射 凝胶化 形态转化 |
| 收稿时间： | 2004-11-29 |
| 修稿时间： | 2005-01-31 |
Effects of L-Phenylalanine on the Radiation Synthesis of Poly(N,N-Methylenebisacrylamide-co-4-Vinylpyridine) (Micro)gels |
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| 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,2005,0(6):643-650. |
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| Authors: | Qing-de Chen Xing-hai Shen Hong-cheng Gao |
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| Institution: | Department of Applied Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China |
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| Abstract: | 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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| Keywords: | L-Phenylalanine ??Gelation dose Morphology transformation (Micro)gel |
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