EFFECT OF ACETONITRILE AS COSOLVENT ON THE GRAFTING OF METHYL-METHACRYLATE ONTO AMYLOSE

被引:0
|
作者
MARGELI, MT [1 ]
VAZQUEZ, MB [1 ]
VALERO, M [1 ]
GUZMAN, GM [1 ]
机构
[1] FAC CIENCIAS QUIM DONOSTIA,DEPT MACROMOLEC,DONASTIA SAN SEBASTIAN,SPAIN
关键词
D O I
10.1016/0014-3057(92)90328-Y
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The graft copolymerization of methyl methacrylate onto amylose was carried out in water/acetonitrile mixtures in order to study the influence of the composition of the reaction medium on the grafting parameters. A slight improvement of the reaction yield was obtained when low concentrations of solvent Were used; as the concentration was increased, there were decreases in the conversion, grafting and number of grafted chains.
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页码:981 / 984
页数:4
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