| 聚合条件对丙烯酸酯微乳液粒径及其分布的影响 |
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| 引用本文： | 刘丹丹,曾幸荣,李红强,陈平绪.聚合条件对丙烯酸酯微乳液粒径及其分布的影响[J].中国胶粘剂,2011,20(1). |
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| 作者姓名： | 刘丹丹 曾幸荣 李红强 陈平绪 |
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| 作者单位： | 华南理工大学材料科学与工程学院,广东,广州,510640 |
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| 摘 要： | 以烯丙氧基壬基酚聚氧乙烯(10)醚硫酸铵(DNS-86)为阴离子型反应性乳化剂、过硫酸钾(KPS)为引发剂,制备丙烯酸酯微乳液。研究了聚合工艺、乳化剂、引发剂和单体等对微乳液的粒径及其分布的影响。结果表明:随着DNS-86、KPS用量的不断增加,乳胶粒的粒径逐渐减小,但过多加入KPS时会导致乳胶粒的粒径增大;乳胶粒的粒径均呈双峰分布,并且双峰随单体用量增加均向大粒径方向偏移;当w(DNS-86)=11%、w(KPS)=0.5%和m(单体)∶m(水)=6∶14时,采用种子预乳化半连续聚合法,可以制备出粒径小(平均粒径为39 nm)、分布窄(粒径分布指数为0.202)的丙烯酸酯微乳液。
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| 关 键 词： | 微乳液 丙烯酸酯 反应性乳化剂 粒径 |
Influence of polymerization conditions on particle size and its distribution of acrylate micro-emulsion |
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| LIU Dan-dan,ZENG Xing-rong,LI Hong-qiang,CHEN Ping-xu.Influence of polymerization conditions on particle size and its distribution of acrylate micro-emulsion[J].China Adhesives,2011,20(1). |
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| Authors: | LIU Dan-dan ZENG Xing-rong LI Hong-qiang CHEN Ping-xu |
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| Affiliation: | LIU Dan-dan,ZENG Xing-rong,LI Hong-qiang,CHEN Ping-xu (College of Materials Science and Engineering,South China University of Technology,Guangzhou 510640,China) |
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| Abstract: | With ammonium sulfate allyloxy nonylphenoxy poly(ethyleneoxy)(10) ether(DNS-86) as anion reactive emulsifier and potassium persulfate(KPS) as initiator,so an acrylate micro-emulsion was prepared.The influences of polymerization technologies,emulsifier,initiator and monomer were investigated on the particle size and its distribution of the micro-emulsion.The results showed that the latex particle size was decreased with increasing DNS-86 or KPS contents,but the latex particle size was increased when excessiv... |
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| Keywords: | micro-emulsion acrylate reactive emulsifier particle size |
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