发明名称 |
COMPOSITION FOR COATING SUBSTRATE TO PREVENT STICKING |
摘要 |
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.
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申请公布号 |
US2009202711(A1) |
申请公布日期 |
2009.08.13 |
申请号 |
US20090422757 |
申请日期 |
2009.04.13 |
申请人 |
ELKINS CASEY LYNN;MOFFETT ROBERT HARVEY;TESTA LEONARD GEORGE |
发明人 |
ELKINS CASEY LYNN;MOFFETT ROBERT HARVEY;TESTA LEONARD GEORGE |
分类号 |
B28B7/38;B29C33/38;C08L47/00 |
主分类号 |
B28B7/38 |
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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