磷酸丙烯酸酯共聚改性苯丙乳液的研究  

Study on Modification of Stryrene-Acrylic Emulsion with Phosphoric Acrylate

作　　者：陈能昌[1] 梁亮[1] 谭卓华[1] 邓旭忠[1] 

机构地区：[1]广东工业大学轻化工学院,广州510006

出　　处：《涂料工业》2008年第9期30-32,35,共4页Paint & Coatings Industry

摘　　要：采用预乳化工艺，半连续种子聚合法，通过磷酸丙烯酸酯（P—A）、甲基丙烯酸甲酯（MMA）、苯乙烯（St）、丙烯酸丁酯（BA）、丙烯酸（AA）共聚反应制得具有高附着力的改性苯-丙乳液。结果表明，当磷酸丙烯酸酯在乳液聚合中占单体总量的5％时，乳液涂膜在铝板、镀锌板、马口铁、ABS、PVC、玻璃板等基材上的附着力从3～5级提高到0～1级，在玻璃上的硬度从H提高到2H，耐水性从12h提高到192h，同时对乳液的聚合稳定性、Ca^2＋稳定性都有一定的改善。A modified stryrene - acrylic emulsions with strong adhesion were prepared with the help of copol- ymerization of P - A,MMA ,St ,BA,AA by means of pre - emulsification technology and semi - continuous seed emulsion polymerization. The results showed that when the addition amount of phosphoric acrylate is 5%, the adhesion strength of fihn on aluminum, sheet, galvanized sheet, tin - plate, ABS, PVC, glass plate, etc. can be improved from grade 3 - 5 to grade 0 - 1, the hardness on glass from H to 2H and and water - resistance of coating from 12 h to 192 h, which also could improve polymerization stability and Ca^2＋ stability of emulsion.

关 键 词：磷酸丙烯酸酯 共聚反应 附着力 耐水性 改性苯-丙乳液 

分 类 号：TQ630.4[化学工程—精细化工]