发明名称 |
Polyurethane-forming binder systems containing a polyphosphoryl chloride |
摘要 |
Polyphosphoryl chlorides are used in polyurethane-forming foundry binder systems to extend the bench life of foundry mixes prepared by mixing the binder systems with sand. The foundry mixes are particularly useful for preparing molds and cores used for making metal castings. |
申请公布号 |
AU4679193(A) |
申请公布日期 |
1994.02.14 |
申请号 |
AU19930046791 |
申请日期 |
1993.07.14 |
申请人 |
ASHLAND OIL INC |
发明人 |
DUNNAVANT WILLIAM R;FECHTER ROBERT B |
分类号 |
B22C1/22;C08G18/08;C08G18/54;C08K3/32 |
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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