发明名称 |
PROCESS FOR THE PRODUCTION OF POROUS CERAMIC MOLDED ARTICLES |
摘要 |
TO2-25222C/YN/81 A process for the production of a porous ceramic mold is described, compsiging adding about 40 to 60 parts by weight of water to 100 parts by weight of a ceramic material, mixing the thus-formed ceramic slurry with about 20 to 40 parts by weight of a hydrophilic urethane prepolymer having a free isocyanate group content of from about 4% to 7% by weight, reacting and foaming the resulting mixture after the introduction thereof into a mold, drying the thus-formed foamed urethane molded article, and combusting very slowly and sintering the dried foamed urethane molded article to produce a porous ceramic molded article. |
申请公布号 |
CA1158424(A) |
申请公布日期 |
1983.12.13 |
申请号 |
CA19810372282 |
申请日期 |
1981.03.04 |
申请人 |
TOYO RUBBER-INDUSTRY CO., LTD. (THE) |
发明人 |
FUKUSHIMA, SHIGEYOSHI;MIZUNO, MASAAKI;KOGA, HIDEAKI |
分类号 |
B01D39/20;B01J20/02;B01J20/28;B01J37/00;C04B38/06 |
主分类号 |
B01D39/20 |
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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