发明名称 |
Use of synthetic surface-active substances and method for milling Portland clinker for the production of gypsumless Portland cements. |
摘要 |
The invention relates to admixtures and a method for milling Portland clinker for the production of gypsumless Portland cements with specific surfaces of from 350 to 750 m<2>/kg. According to the invention, the milling is carried out in the presence of 0.01 to 0.15 mass-% of a synthetic organic surface-active substance with wetting properties which is stable in alkaline media of pH values 9 to 12. |
申请公布号 |
EP0390220(A2) |
申请公布日期 |
1990.10.03 |
申请号 |
EP19900106206 |
申请日期 |
1990.03.30 |
申请人 |
CESKOSLOVENSKA AKADEMIE VED |
发明人 |
SKVARA, FRANTISEK RNDR DRCS;HRAZDIRA, JAROSLAV, DIPL.-ING.;VSETECKA, TONAS, DIPL.-ING. |
分类号 |
B02C23/06;C04B24/12;C04B24/16 |
主分类号 |
B02C23/06 |
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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