公开(公告)号：US20060258799A1

公开(公告)日：2006-11-16

申请号：US10543068

申请日：2004-01-21

申请人： Cristina Rinaldi ,  Marco Bonelli ,  Mauro Pelosi ,  Ugo Pfeiffer ,  Giuseppe Li Bassi

发明人： Cristina Rinaldi ,  Marco Bonelli ,  Mauro Pelosi ,  Ugo Pfeiffer ,  Giuseppe Li Bassi

IPC分类号： C08L31/02

CPC分类号： C08F18/04

摘要： The present invention refers to a protective colloid for the aqueous emulsion polymerisation of vinyl esters consisting of hydroxypropylguar having a degree of molar substitution from 1 to 4, and a 2% viscosity ranging from 1,000 to 25,000 mPa*s; the aqueous emulsions of polyvinyl esters containing such protective colloid are characterised by the fact the they exhibit improved mechanical stability, high stability to freeze and heath, and were found to be particularly useful for the preparation of paints having marked resistance to water.

摘要翻译： 本发明涉及由摩尔取代度为1至4，2％粘度范围为1,000至25,000mPa * s的由羟丙基瓜尔基组成的乙烯基酯的水乳液聚合的保护胶体; 含有这种保护胶体的聚乙烯酯的水性乳液的特征在于它们表现出改善的机械稳定性，对冻结和保湿的高稳定性，并且被发现特别可用于制备具有显着抗水性的油漆。