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[1]叶新,吴迪,刘瑛,等.以PDMAEMA作为分散稳定剂通过分散聚合制备聚苯乙烯微球及粒径控制[J].南京工业大学学报(自然科学版),2013,35(05):120-124.[doi:10.3969/j.issn.1671-7627.2013.05.023]
 YE Xin,WU Di,LIU Ying,et al.Preparation and size control of polystyrene microspheres with poly(2-dimethylamino ethylmethacrylate)as polymeric stabilizer by dispersion polymerization[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2013,35(05):120-124.[doi:10.3969/j.issn.1671-7627.2013.05.023]
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以PDMAEMA作为分散稳定剂通过分散聚合制备聚苯乙烯微球及粒径控制()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
35
期数:
2013年05期
页码:
120-124
栏目:
出版日期:
2013-09-20

文章信息/Info

Title:
Preparation and size control of polystyrene microspheres with poly(2-dimethylamino ethylmethacrylate)as polymeric stabilizer by dispersion polymerization
文章编号:
1671-7627(2013)05-0120-05
作者:
叶新吴迪刘瑛杨文忠
南京工业大学 理学院,江苏 南京 210009
Author(s):
YE XinWU DiLIU YingYANG Wenzhong
College of Sciences,Nanjing University of Technology,Nanjing 210009,China
关键词:
分散聚合 聚苯乙烯 微球 聚甲基丙烯酸二甲氨基乙酯
Keywords:
dispersion polymerization polystyrene microspheres poly(2-dimethylamino ethylmethacrylate)
分类号:
O631.5
DOI:
10.3969/j.issn.1671-7627.2013.05.023
文献标志码:
A
摘要:
以聚甲基丙烯酸二甲氨基乙酯(PDMAEMA)为大分子分散稳定剂、乙醇和水作为混合分散介质、偶氮二异丁腈(AIBN)作为引发剂,研究苯乙烯的分散聚合。用扫描电子显微镜(SEM)观察聚苯乙烯微球的形态和粒径分布,探讨分散剂浓度、分散介质质量比以及引发剂浓度对于聚合物微球粒径及其分布的影响。结果表明:当分散介质中m(乙醇)/m(水)=7.3、引发剂与苯乙烯(St)摩尔比为0.01、分散稳定剂PDMAEMA与St质量比为0.05~0.20时,制得粒径为0.5~1.0 μm、粒径分布系数为0.03~0.06的粒径分布均匀的聚苯乙烯微球。
Abstract:
Microspheres of polystyrene were prepared through dispersion polymerization in ethanol and water with poly(2-dimethylamino ethylmethacrylate)(PDMAEMA)as polymeric stabilizer and azobisisobutyronitrile(AIBN)as initiator.The polymerization effects of the varying concentration of stabilizer,dispersion medium and initiator on particle sizes and dispersion coefficients were studied.Experimental results showed that under the appropriate conditions of ethanol/water ratio 7:3,mole ratio of initiator 0.01 and mass ratio of PDMAEMA 0.05-0.20,the polystyrene microspheres with low dispersion coefficient 0.03-0.06 and average particle size 0.5-1.0 μm could be prepared.

参考文献/References:

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 Chen Su Department of Chemical Engineering,Nanjing University of Chemical Technology,Nanjing,et al.LDPE GRAFTING PS BY SUSPENSION COPOLYMERIZATION AND INVESTIGATION[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),1996,18(05):38.
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备注/Memo

备注/Memo:
收稿日期:2012-11-08
作者简介:叶新(1988—),男,江苏常州人,硕士生,主要研究方向为高分子材料合成; 杨文忠(联系人),教授,E-mail:1404835876@qq.com..
更新日期/Last Update: 2013-09-07