发明名称 |
FOUNDRY BINDER SYSTEMS WHICH CONTAIN ALCOHOL MODIFIED POLYISOCYANATES |
摘要 |
The invention relates to foundry binder systems which use modified polyisocyanates. The modified polyisocyanates are prepared by reacting a polyisocyanate with an aliphatic alcohol having one active hydrogen atom. These modified polyisocyanates, along with a phenolic resole resin, are added to a foundry aggregate to form a foundry mix which is shaped and cured with a gaseous amine curing catalyst.
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申请公布号 |
WO9819809(A1) |
申请公布日期 |
1998.05.14 |
申请号 |
WO1997US19126 |
申请日期 |
1997.10.20 |
申请人 |
ASHLAND INC. |
发明人 |
SINGH, RINA;DAMMANN, LAURENCE, G. |
分类号 |
B22C1/22;C08G18/18;C08G18/54;C08G18/80;(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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