发明名称 |
Method for production of expansive cement |
摘要 |
A method for the production of an expanding cement which includes the steps in which so-called "Portland cement" is dry-mixed with an expanding additive which comprises 6 to 30% of the total weight of the cement. The expanding additive contains 2 to 8% dialuminium pentahydroxychloride, 4% to 15% gypsum, and optionally, a small amount up to about 7% lime. All percentages are by weight.
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申请公布号 |
US4076546(A) |
申请公布日期 |
1978.02.28 |
申请号 |
US19760751864 |
申请日期 |
1976.12.17 |
申请人 |
CENTRALNA LABORATORIA PO PHYSIKO-CHIMICHESKA MECHANIKA PRI BAN |
发明人 |
SIMEONOV, YORDAN TODOROV;DJABAROV, NIKOLA BORISSOV |
分类号 |
C04B22/14;C04B7/32;C04B28/04;(IPC1-7):C04B7/35 |
主分类号 |
C04B22/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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