| 发明名称 |
Polyurethane binder compositions |
| 摘要 |
An improved polyurethane binder system is provided which incorporates organic phosphorous compounds that impart longer bench life to the binders making them more useful for preparing moldable compositions such as foundry cores and molds.
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| 申请公布号 |
US4436881(A) |
申请公布日期 |
1984.03.13 |
| 申请号 |
US19830508781 |
申请日期 |
1983.06.29 |
| 申请人 |
ACME RESIN CORPORATION |
发明人 |
LAITAR, ROBERT A. |
| 分类号 |
B22C1/20;B22C1/22;C08G18/08;(IPC1-7):C08G18/06;C08G18/28 |
主分类号 |
B22C1/20 |
| 代理机构 |
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代理人 |
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