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1. 发明授权

US07897686B2 Method for preparing graft rubber latex having low residual monomer content 有权
标题翻译：制备残留单体含量低的接枝橡胶胶乳的方法
公开(公告)号：US07897686B2
公开(公告)日：2011-03-01
申请号：US11538205
申请日：2006-10-03
申请人： Joo-byung Chai , Chan-hong Lee , Keun-hoon Yoo , Jin-hyoung Lee , Jae-hwan Jung
发明人： Joo-byung Chai , Chan-hong Lee , Keun-hoon Yoo , Jin-hyoung Lee , Jae-hwan Jung
IPC分类号： C08L25/12 , C08L51/04
CPC分类号： C08F279/02
摘要： The present invention relates to a method for preparing a graft rubber latex having a low residual monomer content, and more precisely, a method for preparing a graft rubber latex having a high rubber content, which is characterized by graft-copolymerization of a mixture of a rubber latex having a gel content of at least 95% and an average particle diameter of 2,500˜5000 Å, a monomer mixture comprising one or more compounds selected from a group consisting of aromatic vinyl compound, vinyl cyan compound and acrylate compound, and small particle size latex produced by emulsion polymerization. The method of the present invention has the advantages of speedy processes with excellent latex stability and at the same time reducing residual monomer content in the latex upon completion of the polymerization, improving perceived quality of the product and increasing yield.
摘要翻译：本发明涉及一种制备具有低残留单体含量的接枝橡胶胶乳的方法，更确切地说，涉及一种制备橡胶含量高的接枝橡胶胶乳的方法，其特征在于接枝共聚凝胶含量至少为95％，平均粒径为2,500〜5000的橡胶胶乳，包含一种或多种选自芳族乙烯基化合物，乙烯基氰化合物和丙烯酸酯化合物的化合物的单体混合物和小颗粒通过乳液聚合生产的胶乳。本发明的方法具有快速工艺的优点，其具有优异的胶乳稳定性，同时在聚合完成后减少胶乳中的残留单体含量，提高产品的感知质量和提高产率。

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