| The Growth of Latex Particles during the VAc/BA Copolymerization |
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| 引用本文： | QIN Shaoxiong LIN Jindong WANG Juan ZHANG Xinya CHEN Huanqin. The Growth of Latex Particles during the VAc/BA Copolymerization[J]. 武汉理工大学学报(材料科学英文版), 2006, 21(3): 86-89. DOI: 10.1007/BF02840888 |
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| 作者姓名： | QIN Shaoxiong LIN Jindong WANG Juan ZHANG Xinya CHEN Huanqin |
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| 作者单位： | [1]School of Chemical and Energy Engineering, South China University of Technology, Guangzhou 510640, China [2]College of Chemistry and Environment Engineering, Yangtze University, Jingzhou 434100, China |
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| 摘 要： | The semi-continuous seeded emulsion eopolymerization of vinyl acetate and butyl acrylate was carried out with hydroxyethyl cellulose as a colloid stabilizer. The morphology of the latex particle and the relationship between the reaction time and the average particle diameter and/or the conversion ratio during the polymerization were invstiguted. The experimental results shaw that the morphology of the latex particle possesses the stable sterie construction. In the seeded polymerizution, the average particle diameter of latex decreased while the conversion ratio increased. At the second term of the emulsion copolymerization （the growth stage of particle size）, the latex particle average diameter increased with copolymerization continuously, but the instantaneous conversation ratio was not large, so it was very necessaO to properly prolong the time during the holding temperature stage.
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| 关 键 词： | 羟乙基纤维素 丙烯酸丁酯 胶乳粒子 平均粒子直径 转换比 共聚作用 |
| 收稿时间： | 2005-02-24 |
| 修稿时间： | 2006-03-28 |
The growth of latex particles during the Vac/BA copolymerization |
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| Qin Shaoxiong Ph D Candidate,Lin Jindong,Wang Juan,Zhang Xinya,Chen Huanqin. The growth of latex particles during the Vac/BA copolymerization[J]. Journal of Wuhan University of Technology. Materials Science Edition, 2006, 21(3): 86-89. DOI: 10.1007/BF02840888 |
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| Authors: | Qin Shaoxiong Ph D Candidate Lin Jindong Wang Juan Zhang Xinya Chen Huanqin |
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| Affiliation: | (1) School of Chemical and Energy Engineering, South China University of Technology, 510640 Guangzhou, China;(2) College of Chemistry and Environment Engineering, Yangtze University, 434100 Jingzhou, China |
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| Abstract: | The semi-continuous seeded emulsion copolymerization of vinyl acetate and butyl acrylate was carried out with hydroxyethyl cellulose as a colloid stabilizer. The morphology of the latex particle and the relationship between the reaction time and the average particle diameter and/or the conversion ratio during the polymerization were investigated. The experimental results show that the morphology of the latex particle possesses the stable steric construction. In the seeded polymerization, the average particle diameter of latex decreased while the conversion ratio increased. At the second term of the emulsion copolymerization (the growth stage of particle size), the latex particle average diameter increased with copolymerization continuously, but the instantaneous conversation ratio was not large, so it was very necessary to properly prolong the time during the holding temperature stage. |
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| Keywords: | hydroxyethyl cellulose VAc/BA latex average particle diameter conversion ratio |
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