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首页> 外文期刊>Journal of industrial and engineering chemistry >Preparation of sub-micron colored particles by controlled emulsion polymerization
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Preparation of sub-micron colored particles by controlled emulsion polymerization

机译：通过控制乳液聚合制备亚微米级彩色颗粒

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摘要

Colored particles of poly(methyl methacrylate-co-ethylene glycol dimethacrylate) containing three different kinds of dye including Sudan black, Sudan red 7B and Oil blue N were made by emulsion polymerization. In an effort to find a way to prepare particles with size less than 100 nm with the maximized dye content, methanol is added either to the initial reaction media or during the polymerization. It was found that adding methanol is very efficient way to improve the dye incorporation efficiency while maintaining particle sizes less than 100 nm. By properly choosing methanol addition strategy, the dye content inside of particle could be increased up to four or five times and it was found that the optimum strategy of methanol addition is clearly depending on the nature of dye.
机译：通过乳液聚合制备含有三种不同染料的聚甲基丙烯酸甲酯-共聚乙二醇二甲基丙烯酸甲酯的着色颗粒，其中包括苏丹红，苏丹红7B和油蓝N。为了找到一种方法来制备具有最大染料含量的尺寸小于100 nm的颗粒，将甲醇添加到初始反应介质中或聚合过程中。发现添加甲醇是提高染料掺入效率同时保持小于100nm的粒径的非常有效的方法。通过适当地选择甲醇添加策略，可以将颗粒内部的染料含量增加至四到五倍，并且发现甲醇添加的最佳策略显然取决于染料的性质。

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