发明名称 |
COMPOSITION FOR COATING SUBSTRATE TO PREVENT STICKING |
摘要 |
<p>A release agent composition to prevent sticking and facilitate separation of surfaces, such as patterns and core boxes from foundry molds and cores comprises (a) a styrene-diene block copolymer; (b) a functional silicone; (c) a solvent; and optionally, one or both of (d) a catalyst and (e) a crosslinking agent. Further is provided a method to facilitate separation of a workpiece from a substrate comprising applying the release agent composition to a surface of the workpiece, the substrate or both. In one particular embodiment, the method improves the release of a mold or a core from a pattern or a core box.</p> |
申请公布号 |
EP1973966(A1) |
申请公布日期 |
2008.10.01 |
申请号 |
EP20060839132 |
申请日期 |
2006.12.06 |
申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
ELKINS, CASEY LYNN;MOFFETT, ROBERT HARVEY;TESTA, LEONARD GEORGE |
分类号 |
C08L25/10;C09D125/10;C10M107/12;C10M107/14;C10M107/16 |
主分类号 |
C08L25/10 |
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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