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公开(公告)号:US06454849B1
公开(公告)日:2002-09-24
申请号:US09918777
申请日:2001-07-30
申请人: Mitsuo Kinoshita , Eiji Iiba , Toyozi Miura
发明人: Mitsuo Kinoshita , Eiji Iiba , Toyozi Miura
IPC分类号: C04B2400
CPC分类号: C04B24/003 , C04B24/32 , C04B28/02 , C04B2103/50 , C04B24/42
摘要: An additive consisting of (poly)ethyleneglycol monocycloalkylether of a specified kind, (poly)alkyleneglycol or (poly)alkyleneglycol monoalkylether of another specified kinds, an organic phosphoric acid ester of still another specified kind and an antifoaming agent in a specified ratio, when used at a specified ratio, can provide hydraulic cement compositions with reduced bleeding of water after the placing and reduced dry shrinkage of hardened objects.