发明授权
US07776462B2 Gypsum products utilizing a two-repeating unit dispersant and a method of making them
有权
采用双重重复单元分散剂的石膏产品及其制备方法
- 专利标题： Gypsum products utilizing a two-repeating unit dispersant and a method of making them
- 专利标题（中）： 采用双重重复单元分散剂的石膏产品及其制备方法
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申请号： US12615857申请日： 2009-11-10
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公开(公告)号： US07776462B2公开(公告)日： 2010-08-17
- 发明人: Qingxia Liu , Michael P. Shake , David R. Blackburn , John W. Wilson , Brian Randall , Dennis M. Lettkeman
- 申请人： Qingxia Liu , Michael P. Shake , David R. Blackburn , John W. Wilson , Brian Randall , Dennis M. Lettkeman
- 申请人地址： US IL Chicago
- 专利权人： United States Gypsum Company
- 当前专利权人： United States Gypsum Company
- 当前专利权人地址： US IL Chicago
- 代理机构： Greer, Burns & Crain, Ltd.
- 代理商 David F. Janci, Esq.; Pradip Sahu, Esq.
- 主分类号： B32B13/00
- IPC分类号： B32B13/00
摘要：
A gypsum slurry includes water, a hydraulic component including stucco and a polycarboxylate dispersant. The dispersant has two repeating units wherein the first repeating unit is an olefinic unsaturated mono-carboxylic acid repeating unit or an ester or salt, and the second repeating unit is a vinyl or allyl group bound to a polyether by an ether linkage. The slurry can be made into a gypsum panel.