| 超声辐照引发MMA微乳液聚合 |
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| 引用本文： | 廖勇勤,王琪,王良文.超声辐照引发MMA微乳液聚合[J].高等学校化学学报,2001,22(7):1237-1240. |
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| 作者姓名： | 廖勇勤 王琪 王良文 |
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| 作者单位： | 四川大学高分子研究所高分子材料工程国家重点实验室, 成都 610065 |
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| 基金项目： | 国家自然科学基金 (批准号 :2 99740 2 0 )，教育部科学技术重点项目基金 (教育部科技司 136号文件 ) |
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| 摘 要： | 研究了超声波引发甲基丙烯酸甲酯(MMA)的微乳液聚合.辐照40min时单体转化率高达90%.透射电镜观察发现,PMMA微乳液平均粒径为36.5nm,粒径分布窄,表明超声波引发是制备PMMA微乳液的有效方法.采用分光光度计对微乳液聚合过程中乳胶粒的形成和大小进行了间接表征,研究了超声功率输出、乳化剂、助乳化剂、单体和引发剂对MMA微乳液聚合的影响.
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| 关 键 词： | 超声辐照引发 MMA 微乳液聚合 |
| 文章编号： | 0251-0790(2001)07-1237-04 |
| 收稿时间： | 2000-08-02 |
Ultrasonic Induced Microemulsion Polymerization of MMA |
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| LIAO Yong Qin,WANG Qi ,WANG Liang Wen.Ultrasonic Induced Microemulsion Polymerization of MMA[J].Chemical Research In Chinese Universities,2001,22(7):1237-1240. |
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| Authors: | LIAO Yong Qin WANG Qi WANG Liang Wen |
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| Institution: | State Key Laboratory of Polymer Material Engineering, Institute of Polymer Research, Sichuan University, Chengdu 610065, China |
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| Abstract: | In this work, ultrasonic induced microemulsion polymerization of MMA was successfully performed and the monomer conversion reached about 90% in 40 min. TEM observation showed that the average diameter of PMMA latex was 36 5 nm with a narrow distribution. Several influencing factors such as power output, surfactant, co emulsifier, monomer and chemical initiator were investigated detailedly from the view of formation of microemulsion and the growth of latex by spectraphotometry. |
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| Keywords: | Ultrasonic initiation MMA Microemulsion polymerization |
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