| 发明名称 |
High early strength cement and additives and methods for making the same |
| 摘要 |
A method for improving early strength of cements, comprising introducing into a cement during the grinding thereof (a) at least one water reducer comprising a polyoxyalkylene polymer; (b) a sugar; (c) an alkali or alkaline earth metal chloride; and (d) an amine. Additives and cement compositions are also disclosed.
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| 申请公布号 |
US6641661(B1) |
申请公布日期 |
2003.11.04 |
| 申请号 |
US20020979773 |
申请日期 |
2002.01.30 |
| 申请人 |
W. R. GRACE & CO.-CONN. |
发明人 |
JARDINE LESLIE A.;CHEUNG JOSEPHINE H.;FREITAS WALTER M. |
| 分类号 |
C04B24/26;C04B28/02;(IPC1-7):C04B24/02 |
主分类号 |
C04B24/26 |
| 代理机构 |
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