| 发明名称 |
Preparation of foundry moulds and cores. |
| 摘要 |
<p>Foundry moulds and cores are prepared by using as a binder a phenolic resin in solution in aqueous sodium hydroxide and using an ester to cure the binder. The ester may be incorporated in the mixture prior to shaping, or the ester in gaseous form may be passed through the shaped mixture.</p> |
| 申请公布号 |
EP0162562(A1) |
申请公布日期 |
1985.11.27 |
| 申请号 |
EP19850302472 |
申请日期 |
1985.04.09 |
| 申请人 |
BRITISH INDUSTRIAL SAND LIMITED |
发明人 |
WESTWOOD, GEOFFREY WILLIAM;HIGGINS, RAYMOND |
| 分类号 |
B22C1/22;C08K5/101;C08L61/10;(IPC1-7):B22C1/22 |
主分类号 |
B22C1/22 |
| 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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