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
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