| STUDIES ON SYNTHESIS OF SILICA SOL-ORGANIC POLYMER COMPOSITE EMULSION |
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| 引用本文： | 龙复,王玮,许涌深,曹同玉,胡金生. STUDIES ON SYNTHESIS OF SILICA SOL-ORGANIC POLYMER COMPOSITE EMULSION[J]. 中国化学工程学报, 1992, 7(2): 119-124 |
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| 作者姓名： | 龙复 王玮 许涌深 曹同玉 胡金生 |
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| 作者单位： | Department of Applied Chemistry Tianjin University，Department of Applied Chemistry Tianjin University，Department of Applied Chemistry Tianjin University，Department of Applied Chemistry Tianjin University，Department of Applied Chemistry Tianjin University，300072 Tianjin，300072 Tianjin，300072 Tianjin，300072 Tianjin，300072 Tianjin |
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| 摘 要： | An emulsion of polystyrene/poly (butylacrylate-methyl methacrylate acrylic acid) core/shell latex particles (PS/P (BA-MMA-AA)) has been prepared by use of three synthetic methods. The effects of synthetic methods on the distribution of carboxyl groups in latex particles were studied. The results show that the seed emulsion polymerization in which the pre-emulsified monomers were added by dropping method to the second stage is the best technique for obtaining the optimum distribution of carboxyl groups on the surface of the latex particles. Furthermore, by using PS/P (BA-MMA-AA), a type of novel composite emulsion of silica sol-PS/P (BA-MMA-AA) was synthesized with the above method. By observation through transmission EM, the morphology of the latex particles obtained shows that a composite structure has been formed between silica sol particles and organic polymer particles.
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| 关 键 词： | silica sol composite core/shell acrylate |
| 收稿时间： | 1991-05-14 |
| 修稿时间： | 1991-12-4 |
STUDIES ON SYNTHESIS OF SILICA SOL-ORGANIC POLYMER COMPOSITE EMULSION |
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| LONG Fu,WANG Wei,XU Yongshen,CAO Tongyu,HU Jinsheng. STUDIES ON SYNTHESIS OF SILICA SOL-ORGANIC POLYMER COMPOSITE EMULSION[J]. Chinese Journal of Chemical Engineering, 1992, 7(2): 119-124 |
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| Authors: | LONG Fu WANG Wei XU Yongshen CAO Tongyu HU Jinsheng |
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| Affiliation: | Department of Applied Chemistry, Tianjin University, 300072, Tianjin |
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| Abstract: | An emulsion of polystyrene/poly (butylacrylate-methyl methacrylate acrylic acid) core/shell latex particles (PS/P (BA-MMA-AA)) has been prepared by use of three synthetic methods. The effects of synthetic methods on the distribution of carboxyl groups in latex particles were studied. The results show that the seed emulsion polymerization in which the pre-emulsified monomers were added by dropping method to the second stage is the best technique for obtaining the optimum distribution of carboxyl groups on the surface of the latex particles. Furthermore, by using PS/P (BA-MMA-AA), a type of novel composite emulsion of silica sol-PS/P (BA-MMA-AA) was synthesized with the above method. By observation through transmission EM, the morphology of the latex particles obtained shows that a composite structure has been formed between silica sol particles and organic polymer particles. |
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| Keywords: | silica sol composite core/shell acrylate |
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