-
1.
公开(公告)号:US5519084A
公开(公告)日:1996-05-21
申请号:US173251
申请日:1993-12-23
申请人: Helen Pak-Harvey , Chung-Ling Mao
发明人: Helen Pak-Harvey , Chung-Ling Mao
IPC分类号: C04B24/18 , C04B24/24 , C04B24/26 , C04B24/38 , C04B40/00 , C08J3/12 , C08L29/04 , C09D133/06
CPC分类号: C08J3/122 , C04B24/2641 , C04B40/0042 , C09D133/064 , C08J2333/06 , C08L29/04
摘要: A method for preparing an acrylic polymer powder which is redispersible in water by atomizing an aqueous polymer dispersion containing a dispersing aid, the improvement which comprises employing an acrylic polymer containing 1-15 wt % olefinically unsaturated carboxylic acid comonomer and an effective amount of a dispersing aid consisting essentially of polyvinyl alcohol.
摘要翻译: 一种制备丙烯酸聚合物粉末的方法,其通过雾化含有分散助剂的聚合物水分散体水分再分散在水中,其改进包括使用含有1-15重量%烯属不饱和羧酸共聚单体的丙烯酸聚合物和有效量的分散体 助剂基本上由聚乙烯醇组成。