发明名称 |
CARBON BLACK FOR COLORING CEMENT AND METHOD FOR COLORING CEMENT-FORMED PRODUCT |
摘要 |
A carbon black for coloring cement which has been surface-treated with an aqueous solution containing humic acid dissolved therein and which has humic acid adsorbed thereon, preferably a carbon black having humic acid adsorbed thereon which is prepared by wet granulating a carbon black powder using an aqueous solution containing humic acid dissolved therein as a granulation water, followed by drying; and a method for coloring a molded article of cement using the carbon black which comprises adding an aqueous suspension o f a carbon black having humic acid adsorbed thereon to a cement slurry, follow ed by mixing, or adding a carbon black having humic acid adsorbed thereon directly to a cement slurry, followed by mixing. The carbon black for colori ng cement is excellent in dispersibility into a cement slurry and has high adhesiveness to a cement matrix, and also is excellent in coloring propertie s and strength properties of the resulting cement article.
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申请公布号 |
CA2395128(A1) |
申请公布日期 |
2001.06.28 |
申请号 |
CA19992395128 |
申请日期 |
1999.12.22 |
申请人 |
TOKAI CARBON CO., LTD;TOTEKU CO., LTD.;TOKYO ZAIRYO CO., LTD.;TELNITE CO., LTD. |
发明人 |
INOUE, DAISUKE;SAKURAI, HIDETAKE;WAKE, MASATO;IKESHIMA, TOSHIJI |
分类号 |
C04B14/02;C04B14/36;C04B20/10;C09C1/56;C09C1/58;C09C3/08;C09C3/10;(IPC1-7):C09C1/56 |
主分类号 |
C04B14/02 |
代理机构 |
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地址 |
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