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通过采用紫外光和铈盐两种引发方式进行羟丙基纤维素与甲基丙烯酸甲酯的接枝共聚反应 ,以改善产品粘度性能 .考察了反应时间、温度、单体浓度、光敏剂或引发剂用量等对产物粘度的影响 .比较了两种引发方式的优劣 ,得出了反应的最佳操作条件 .
The graft copolymerization of hydroxypropylcellulose and methylmethacrylate was carried out by using two kinds of UV and cerium initiator methods to improve the viscosity performance of the product.The effects of reaction time, temperature, monomer concentration, photosensitizer or initiator Dosage and other factors on the viscosity of the product.Compared the advantages and disadvantages of two kinds of priming methods, the best operating conditions were obtained.