发明名称 |
Production of vermiculite products. |
摘要 |
<p>A process for producing solid vermiculite products which are stable in water which comprises incorporating a source of ammonia or ammonium ions or a basic substance, preferably urea, in an aqueous suspension of vermiculite lamellae, shaping the suspension and removing water from the suspension by heating the shaped suspension at a temperature above 100°C, preferably above 150°C, such that ammonia or a basic substance is liberated within the suspension. The invention includes an aqueous suspension of vermiculite lamellae containing a source of ammonia or ammonium ions or a basic substance and a dry-powder mixture of vermiculite lamellae and a source of ammonia or ammonium ions or a basic substance.</p> |
申请公布号 |
EP0117356(A2) |
申请公布日期 |
1984.09.05 |
申请号 |
EP19830307509 |
申请日期 |
1983.12.09 |
申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
MCALOON, KEVIN THOMAS;HEESON, IONA ELIZABETH;CLEAVER, GORDON EDWARD |
分类号 |
B32B5/30;C01B33/26;C01B33/40;C01B33/44;C01B39/06;C04B20/02;C04B30/00;D06M11/00;D06M11/79;D06M13/432;D06M23/08;D21H13/44;D21H17/67;D21H19/00;(IPC1-7):04B43/10 |
主分类号 |
B32B5/30 |
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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