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核壳结构聚丙烯酸酯抗冲改性剂的合成及粒径控制
引用本文:周丽娜,柴大成,马令庆,林润雄.核壳结构聚丙烯酸酯抗冲改性剂的合成及粒径控制[J].化学研究,2011,22(6):57-60.
作者姓名:周丽娜  柴大成  马令庆  林润雄
作者单位:青岛科技大学高性能聚合物及成型技术教育部工程技术研究中心,山东青岛,266042
摘    要:采用预乳化多步种子乳液聚合法合成聚丙烯酸酯类聚合物(ACR)胶乳,实验得出种子乳液用量与聚丙烯酸丁酯粒径之间的关系,实现对胶乳粒子粒径的控制;对反应中影响粒子粒径的因素做了分析,以此确定最佳反应条件为:温度为65℃;乳化剂:十二烷基硫酸钠和聚氧乙烯基醚硫酸钠摩尔比为4/3,乳化剂用量为0.9%,单体固含量30%~37%...

关 键 词:聚丙烯酸酯  种子聚合  粒径

Research and synthesis of polyacry late impact modifier with core-shell structure
ZHOU Li-na,CAI Da-cheng,MA Ling-qing,LIN Run-xiong.Research and synthesis of polyacry late impact modifier with core-shell structure[J].Chemical Research,2011,22(6):57-60.
Authors:ZHOU Li-na  CAI Da-cheng  MA Ling-qing  LIN Run-xiong
Institution:ZHOU Li-na,CAI Da-cheng,MA Ling-qing,LIN Run-xiong (Engineering Research Center of High Performance Polymer and Molding Technology of Ministry of Education,Qingdao University of Science and Technology,Qingdao 266042,Shandong,China)
Abstract:Synthesized polyacry late impact modifier with seed emulsion polymerization method,and observed the latex particles core-shell structure and polymer morphology with transmission electron microscopy and scanning electron microscopy.The influence factors of particle size were analyzed,the optimum reaction conditions were: reaction temperature 65 ℃,emulsifier scale: n(SDS)/n(AES) = 4/3,emulsifier dosage: 0.9%,the solid contents: 30%-37%.
Keywords:polyacry late  seed emulsion polymerization  particle size  
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