GRAFTING OF POLY (ACRYLONITRILE) ONTO GUAR GUM USING POTASSIUM PERSULFATE ASCORBIC-ACID REDOX INITIATING SYSTEM

被引:21
作者
BAJPAI, UDN [1 ]
MISHRA, V [1 ]
RAI, S [1 ]
机构
[1] RD UNIV,DEPT POST GRAD STUDIES & RES CHEM,POLYMER RES LAB,JABALPUR 482001,INDIA
关键词
D O I
10.1002/app.1993.070470415
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 grafting of poly(acrylonitrile) onto guar gum in aqueous medium initiated by the potassium presulfate/ascorbic acid redox system has been studied gravimetrically at the temperature of 35 + 0.2-degrees-C in the presence of atmospheric oxygen. A plausible mechanism of graft copolymerization has been suggested on the basis of experimental results. The effect of grafting on the water and saline retention capacities has been studied and compared with the values obtained for ungrafted guar gum.
引用
收藏
页码:717 / 722
页数:6
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