发明名称 |
Bindemittelsystem zur Herstellung von Kernen und Gießformen auf Polyurethanbasis |
摘要 |
The present invention relates to a binder system that comprises a phenolic-resin component and a polyisocyanate component. This system is characterised in that the phenolic-resin component includes an alkoxy-modified phenolic resin, wherein less than 25 mole % of the phenolic hydroxy groups are etherified with a primary or secondary aliphatic alcohol comprising between 1 and 10 carbon atoms.
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申请公布号 |
DE19850833(A1) |
申请公布日期 |
2000.05.11 |
申请号 |
DE19981050833 |
申请日期 |
1998.11.04 |
申请人 |
ASHLAND-SUEDCHEMIE-KERNFEST GMBH |
发明人 |
ROZE, JEAN-CLAUDE;KOCH, DIETHER;WEICKER, GUENTER;WERNER, ANDREAS |
分类号 |
B22C1/22;(IPC1-7):B22C1/20;C08G18/54;C08L75/04 |
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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