- 专利标题： Method for defoaming cementitious compositions using polyamine oxides
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申请号： US16357843申请日： 2019-03-19
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公开(公告)号： US11148975B2公开(公告)日： 2021-10-19
- 发明人: Lawrence L. Kuo , Ying Chen
- 申请人： GCP Applied Technologies Inc.
- 申请人地址： US MA Cambridge
- 专利权人： GCP Applied Technologies Inc.
- 当前专利权人： GCP Applied Technologies Inc.
- 当前专利权人地址： US MA Cambridge
- 代理商 Craig K. Leon
- 主分类号： C04B24/12
- IPC分类号： C04B24/12 ; C04B28/02 ; C09D179/02 ; C04B40/00 ; C08G73/02 ; C04B24/28 ; C04B103/50 ; C04B111/00
摘要：
The present invention provides a composition and method for controlling air voids in aqueous systems such as paints, coatings, sealants, adhesives, mastics, cements, mortar, masonry, or concrete, which comprises the reaction product of an oxidizing agent and a compound comprising at least one polyalkoxylated polyalkylene polyamine, at least one polyalkyoxylated polyethyleneimine, or a mixture thereof.