发明名称 |
Non-distressing accelerated heat cure of portland cement concrete systems |
摘要 |
A process for accomplishing a non-distressing accelerated heat cure of portland cement concrete systems comprising (1) admixing portland cement concrete with minor amounts of a vinylidene chloride polymer latex, than (2) heating the admixture to temperatures of from at least about 100 DEG F to about 250 DEG F under less than about 80 percent relative humidity for a period of at least about 4 hours. This process is particularly applicable for the preparation of portland cement concrete precasting and prestressing operations, where optimum strength is desired in the shortest possible time.
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申请公布号 |
US4014840(A) |
申请公布日期 |
1977.03.29 |
申请号 |
US19740478480 |
申请日期 |
1974.06.12 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
EMIG, GALE L.;ANSPAUGH, ROBERT H.;EASH, R. DOUGLAS |
分类号 |
C04B24/26;C04B40/02;(IPC1-7):C08L27/08 |
主分类号 |
C04B24/26 |
代理机构 |
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代理人 |
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地址 |
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