Invention Grant
US07670427B2 Very fast setting cementitious composition with high early-age compressive strength
有权
具有较高的早期抗压强度的非常快的凝固水泥组合物
- Patent Title: Very fast setting cementitious composition with high early-age compressive strength
- Patent Title (中): 具有较高的早期抗压强度的非常快的凝固水泥组合物
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Application No.: US11758947Application Date: 2007-06-06
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Publication No.: US07670427B2Publication Date: 2010-03-02
- Inventor: Marianela Perez-Pena , Yanfei Peng , Srinivas Veeramasuneni
- Applicant: Marianela Perez-Pena , Yanfei Peng , Srinivas Veeramasuneni
- Applicant Address: US IL Chicago
- Assignee: United States Gypsum Company
- Current Assignee: United States Gypsum Company
- Current Assignee Address: US IL Chicago
- Agency: Novak, Druce + Quigg LLP
- Main IPC: C04B24/12
- IPC: C04B24/12 ; C04B22/16
Abstract:
A method of making a rapid setting composition for cement boards is disclosed. Compositions including portland cement, fly ash, gypsum, alkanolamine and phosphate are disclosed. A synergistic interaction between the alkanolamine and phosphate increases the effectiveness of accelerating reactions thus allowing for quick setting and increased early-age compressive strength compositions.
Public/Granted literature
- US20080302276A1 VERY FAST SETTING CEMENTITIOUS COMPOSITION WITH HIGH EARLY-AGE COMPRESSIVE STRENGTH Public/Granted day:2008-12-11
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