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首页> 外文期刊>Journal of Applied Polymer Science >Preparation of cationic functional polymer latexes and measurement of involatile monomer conversion
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Preparation of cationic functional polymer latexes and measurement of involatile monomer conversion

机译：阳离子功能聚合物胶乳的制备和不挥发单体转化率的测定

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摘要

A series of poly(styrene-co-methacryloxyethylhexadecyldimethyl ammonium bromide), P(St-DMHB), cationic particles were prepared by emulsion polymerization using 2,2′-azobis(2-methylpropionamide) dihydrochloride as the initiator with different levels of DMHB as the cationic functional comonomer. ?? potential, particle size, and size distribution of the particles were determined. Large discrepancy was observed between the particle size from dynamic light scattering and that from transmission electron microscopy. Results showed that particle size and ?? potentials were closely dependant on DMHB level used. A flocculation process for the cationic latex was established, and a method to estimate DMHB conversion was proposed.
机译：以2,2'-偶氮二（2-甲基丙酰胺）二盐酸盐为引发剂，以不同浓度的DMHB作为引发剂，通过乳液聚合制备了一系列聚苯乙烯-甲基丙烯酸丙氧基乙基十六烷基二甲基溴化铵（P-St-DMHB）阳离子颗粒。阳离子功能共聚单体。 ??确定电势，粒度和颗粒的粒度分布。动态光散射的粒径与透射电子显微镜的粒径之间存在较大差异。结果表明，粒径和Δε电位紧密依赖于所用的DMHB水平。建立了阳离子乳胶的絮凝工艺，提出了估计DMHB转化率的方法。

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