发明名称 |
STABILISATION OF LOOSE ROCK, EARTH AND COAL |
摘要 |
For consolidation of geological formations and artificial beds of rock, earth, and coal by means of foaming and hardening polyisocyanate/polyol blends, diols with secondary hydroxyl functions of the OH number range 150-1000 are used as diol component. Preferably a crude polyisocyanate blend (MDI) obtained by phosgenation of aniline/formaldehyde condensates which at ambient temperature assumes a liquid state, and the liquid prepolymers of said crude MDI are used as isocyanate components. |
申请公布号 |
AU8911282(A) |
申请公布日期 |
1983.06.09 |
申请号 |
AU19820089112 |
申请日期 |
1982.10.05 |
申请人 |
BERGWERKSVERBAND GMBH , BAYER AG |
发明人 |
RUDOLF KUBENS;FRANK MEYER;WOLFGANG CORNELY;MARTIN WINKELMANN;HANS MEHESCH |
分类号 |
C09K17/00;C08G18/00;C08G18/48;C09K17/18;C09K17/30;C09K103/00;C09K107/00;E02D3/12;E21B33/13;E21D1/10;E21D1/16;E21D11/38 |
主分类号 |
C09K17/00 |
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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