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公开(公告)号:US11897982B2
公开(公告)日:2024-02-13
申请号:US16969684
申请日:2018-02-13
申请人: WACKER CHEMIE AG , Jin Zheng
发明人: Jin Zheng , Lingyun Huang , Yun Li , Haoqing Sun , Jiyang Zhang
CPC分类号: C08F220/285 , C04B24/2623 , C04B24/2647 , C04B24/2652 , C04B40/0039 , C08L29/04 , C08L33/14 , C08L33/26 , C08L71/02 , C08L2201/50 , C08L2201/54 , C08L2205/035
摘要: Vinyl ester/ethylene copolymer aqueous dispersions containing an anionic polyacrylamide, at least one polyvinyl alcohol, and optionally a non-ionic surfactant, are useful in cementitious compositions as polymer additives.