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    • 7. 发明授权
    • Polymer/WUCS mat for use in sheet molding compounds
    • 聚合物/ WUCS垫用于片状模塑料
    • US08057614B2
    • 2011-11-15
    • US11821667
    • 2007-06-25
    • Enamul Haque
    • Enamul Haque
    • B32B17/04D04H1/54
    • B29B15/12B29C70/18B29C70/46B29C70/506B29C70/508D04H1/4218D04H1/4382D04H1/48D04H1/593D04H1/732Y10T156/1062
    • A method of forming a molding mat formed bundles of reinforcing fibers and bonding materials is provided. The reinforcing fibers are preferably wet use chopped strand glass fibers (WUCS). The bonding materials may be any thermosetting material having a melting point less than the reinforcing fiber. The molding mat may be formed by partially opening the wet use chopped strand glass fibers and filamentizing the bonding materials, blending the reinforcement and bonding fibers, forming the reinforcement and bonding fibers into a sheet, and bonding the sheet. During bonding, the sheet is heated to a temperature above the melting point of the bonding fibers but below the temperature of the glass fibers. The molding mat thus formed may be used as a reinforcement material in sheet molding compounds.
    • 提供了一种形成增强纤维和粘合材料束的成型垫的方法。 增强纤维优选为湿式短切玻璃纤维(WUCS)。 接合材料可以是熔点小于增强纤维的任何热固性材料。 成型垫可以通过部分地打开湿式使用的短切玻璃纤维并使接合材料成丝,将加强物和粘合纤维混合,将增强物和粘合纤维形成片材,并粘合片材来形成。 在接合期间,片材被加热到高于粘合纤维的熔点但低于玻璃纤维的温度的温度。 这样形成的模制垫可以用作片状模塑料中的增强材料。