| 以含氟预聚物为助稳定剂的苯乙烯细乳液聚合 |
| |
| 引用本文： | 张震乾,吴海银,包永忠,翁志学. 以含氟预聚物为助稳定剂的苯乙烯细乳液聚合[J]. 化工学报, 2009, 60(2): 502-506 |
| |
| 作者姓名： | 张震乾 吴海银 包永忠 翁志学 |
| |
| 作者单位： | 江苏工业学院材料科学与工程学院,江苏,常州,213016;浙江大学聚合反应工程国家重点实验室,浙江,杭州,310027 |
| |
| 摘 要： | 以苯乙烯(St)和甲基丙烯酸十二氟庚酯(G04)的无规共聚物(PSF)作为助稳定剂,进行St的细乳液聚合,考察了不同含氟量的PSF对转化率、聚合速率Rp、液滴粒径和成核粒子数的影响。结果表明,当含氟量由0增加到34.9%,转化率由67.5%增加到80.1%,Rp由0.75×10-2 mol · L-1·min-1提高到1.74×10-2 mol ·L-1·min-1;PSF的含氟量对细乳化后液滴粒径的影响较小,但对聚合过程中成核粒子数有较大影响。当含氟量由0增加到34.9%时,反应3 h后,体系成核粒子数由每升1.83×1016个增加到2.07×1016个,并初步分析了PSF可以单独作为助稳定剂的作用机理。
|
| 关 键 词： | 细乳液聚合 含氟预聚物 助稳定剂 |
| 收稿时间： | 2008-06-24 |
| 修稿时间： | 2008-11-17 |
Styrene mini-emulsion polymerization co-stabilized by predissolved fluoropolymer |
| |
| ZHANG Zhenqian,WU Haiyin,BAO Yongzhong,WENG Zhixue. Styrene mini-emulsion polymerization co-stabilized by predissolved fluoropolymer[J]. Journal of Chemical Industry and Engineering(China), 2009, 60(2): 502-506 |
| |
| Authors: | ZHANG Zhenqian WU Haiyin BAO Yongzhong WENG Zhixue |
| |
| Affiliation: | 1Department of Materials Science and Engineering;Jiangsu Polytechnic University;Changzhou 213016;Jiangsu;China;2State Key Laboratory of Polymer Reaction Engineering;Zhejiang University;Hangzhou 310027;Zhejiang;China |
| |
| Abstract: | The random copolymer(PSF) of styrene and dodecafluoroheptyl methacrylate(G04) was used as the sole co-stabilizer in styrene mini-emulsion polymerization.The effects of different masses of PSF,different fluorine contents of PSF on the conversion,the rate of the polymerization(Rp) and the diameter of droplets and the number of particles were investigated.The results showed that when fluorine content increased from 0 to 34.9%,the conversion of the polymerization increased from 67.5% to 80.1%,and Rp increased f... |
| |
| Keywords: | mini-emulsion polymerization pre-dissolved fluoropolymer co-stabilizer |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《化工学报》浏览原始摘要信息 |
|
点击此处可从《化工学报》下载免费的PDF全文 |
|
