多层壳核结构ACR树脂的合成与性能研究Ⅰ.乳化剂对ACR乳液聚合反应及PVC/ACR共混物性能的影响  

Synthesis and Properties of Multi-layer Core/shell ACR Resin Ⅰ. Effect of Emulsifiers on Emulsion Polymerization of ACR and Properties of PVC/ACR Blends

作　　者：陈旭东[1] 高翩 吴忠辉[3] 沈家瑞[3] 谭作勤[3] 

机构地区：[1]中山大学高分子研究所,广东广州510275 [2]佛山新达复合材料有限公司,广东佛山528000 [3]华南理工大学高分子材料科学与工程系,广东广州510641

出　　处：《中山大学学报（自然科学版）》2001年第2期50-53,共4页Acta Scientiarum Naturalium Universitatis Sunyatseni

基　　金：中国石化总公司科技开发项目

摘　　要：研究乳化剂的种类、复配比例及质量分数对聚丙烯酸正丁酯 /聚苯乙烯 /聚甲基丙烯酸甲酯(ACR)壳核乳胶粒径、PVC/ACR共混物性能的影响 .结果表明 3种阴离子乳化剂十二烷基硫酸钠 (K12 -Na)、十二烷基磺酸钠 (SDS)、十二烷基苯磺酸钠 (SDBS)中 ,合成的ACR乳胶粒子粒径依次增大 ,PVC/ACR共混物的抗冲强度增大 .将十二烷基苯磺酸钠与非离子型乳化剂壬基苯聚氧乙烯醚 (OP -1 0 )复配使用时 ,随着非离子乳化剂OP -1 0质量分数的增加 ,ACR乳液聚合各阶段乳胶粒子粒径均相应增大 ,PVC/ACR共混物的抗冲强度增大 .ACR粒子的粒径都随着乳化剂浓度的增加而降低 ,而粒径大小分布加宽 ,PVC/ACR共混物的抗冲强度降低 ,PVC/ACR共混物的透光率升高 .The particle diameter of poly (butylacrylate)/polystyrene/poly (methyl methacrylate)(ACR) and properties of PVC/ACR blends were studied as a function of the type of emulsifiers, compounding ratio as well as the amount of emulsifier. The particle diameter of ACR and the impact strength of PVC/ACR blends increased in the order: sodium dodecyl sulfate (K 12 -Na), sodium dodecyl sulfonat (SDS) and sodium benzenesulfonat (SDBS) and with decreasing of the compounding ratio of SDBS/OP-10. With increasing of emulsifier concentration, the particle diameter of ACR and the impact strength of PVC/ACR blends decreased, while the particle\|size distribution of ACR and the transmission ratio of transmission ratio PVC/ACR blends increased.

关 键 词：壳/核乳胶粒子 聚丙烯酸正丁酯/聚苯乙烯/聚甲基丙烯酸甲酯 粒径 乳化剂 抗冲强度 ACR树脂 合成 PVC/ACR 

分 类 号：TQ325.061[化学工程—合成树脂塑料工业] TQ316.334