发明名称 |
CEMENT COMPOSITION TECHNOLOGY |
摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a cement composition technology by which the development of stiffness after kneading of concrete is restrained and the change of fluidity of concrete with time is reduced. <P>SOLUTION: Development of stiffness after kneading of concrete is restrained and the change of fluidity of the concrete with time can be reduced by using both a low heat Portland cement and a cement dispersant, and regulating the composition of clinker mineral and the quantity of gypsum in the low heat Portland cement composition. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
申请公布号 |
JP2007001845(A) |
申请公布日期 |
2007.01.11 |
申请号 |
JP20050187424 |
申请日期 |
2005.06.27 |
申请人 |
MITSUBISHI MATERIALS CORP;UBE IND LTD |
发明人 |
NAKAZATO TAKESHI;NARUSE HIROYASU;SATO AKITA;NAKANAGA HIDEHIKO |
分类号 |
C04B7/345;C04B7/19;C04B22/14;E04G21/02 |
主分类号 |
C04B7/345 |
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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