发明名称 |
FOUNDRY BINDER SYSTEMS |
摘要 |
The present invention relates to foundry binder systems forming a curable polyurethane with a catalytically effective amount of a curing catalyst, comprising at least one phenolic resin component comprising at least: a phenolic resin and a solvent of triacetin type and a polyisocyanate component. The invention also relates to foundry mixtures prepared from the binder and an aggregate, to foundry forms such as cores and molds prepared via the no-bake or cold-box processes, and also to the respective processes. The foundry forms obtained by the present invention are especially used for manufacturing metallic components, especially for the casting of metallic components. |
申请公布号 |
EP2688698(A1) |
申请公布日期 |
2014.01.29 |
申请号 |
EP20120718327 |
申请日期 |
2012.03.20 |
申请人 |
RHODIA POLIAMIDA E ESPECIALIDADES LTDA |
发明人 |
SCHUCH, CRISTINA MARIA;VICENTIM, DENILSON JOSE;SEREDA, LUCIANE;SILVA, SUELBI |
分类号 |
B22C1/22;C08G18/08;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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