| 脲甲醛缩聚物制备电子墨水微胶囊研究 |
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| 引用本文： | 王允韬,郭慧林,王建平,赵晓鹏.脲甲醛缩聚物制备电子墨水微胶囊研究[J].高分子学报,2004(2):268-272. |
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| 作者姓名： | 王允韬 郭慧林 王建平 赵晓鹏 |
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| 作者单位： | 西北工业大学电流变技术研究所,西安,710072;西北工业大学电流变技术研究所,西安,710072;西北工业大学电流变技术研究所,西安,710072;西北工业大学电流变技术研究所,西安,710072 |
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| 基金项目： | 国家自然科学基金重大研究计划(90101005)和国家杰出青年科学基金资助项目(基金号50025207) |
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| 摘 要： | 在原位聚合法制备脲甲醛树脂微胶囊的过程中 ,使用水溶性低分子量脲甲醛缩聚物代替传统的脲甲醛预聚体 (一羟甲基脲、二羟甲基脲 )作为反应单体 ,由于脲甲醛缩聚物比后者更容易吸附在分散相液滴表面 ,解决了用原位聚合法制备脲甲醛微胶囊所常有的结块、粘连、表面粗糙、产率低的问题 .研究了低分子量脲甲醛缩聚物水溶液的粘度特征和表面活性及其与胶囊包封率的关系 .使用这种方法制备出了电子墨水微胶囊
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| 关 键 词： | 原位聚合法 脲甲醛树脂 电子墨水 微胶囊 |
| 修稿时间： | 2003年4月17日 |
THE PREPARATION OF ELECTROPHORETIC INK MICROCAPSULES BY USING UREA FORMALDEHYDE OLIGOMER |
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| WANG Yuntao,GUO Huilin,WANG Jianping,ZHAO Xiaopeng.THE PREPARATION OF ELECTROPHORETIC INK MICROCAPSULES BY USING UREA FORMALDEHYDE OLIGOMER[J].Acta Polymerica Sinica,2004(2):268-272. |
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| Authors: | WANG Yuntao GUO Huilin WANG Jianping ZHAO Xiaopeng |
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| Abstract: | In the process of preparing electrophoretic ink microcapsules by in-situ polymerization,oligomers instead of traditional prepolymers (hydroxymethyl urea and dihydroxymethyl urea) of urea-formaldehyde were used as monomers of reaction,because oligomers are more likely to be adsorbed on the surface of oil phase droplets.The general problems of in-situ polymerization such as coagulating,sticking,coarse surface,low productivity etc.have been solved.The properties of viscosity and surface activity of urea-formaldehyde oligomers were studied,as well as their relationship with the encapsulation efficiency of microcapsules.The electrophoretic ink microcapsules were prepared successfully by this method. |
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| Keywords: | In-situ polymerrization Ureaformaldehyde resin Electrophoretic ink Microcapsule |
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