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    • 3. 发明授权
    • Method of making molded composite articles
    • 复合制品的制造方法
    • US06368528B1
    • 2002-04-09
    • US09425159
    • 1999-10-21
    • George WhelanDavid C. RitterMichael Halton
    • George WhelanDavid C. RitterMichael Halton
    • B27N304
    • B27N7/005B27N3/04B29K2311/14
    • An improved method of making a molded composite article by combining a fibrous material with a binder to form a mixture, drying the mixture to a moisture content of about 6 wt. % to about 14 wt. % based on the weight of the fibrous material to form a mat, coating at least one surface of the mat with an aqueous solution comprising one or more additives selected from the group consisting of: a wetting agent, a mold release agent, a set retarder, and a binder. Thereafter, the mat is consolidated under heat and pressure to form the molded composite article. Articles formed by this improved method exhibit superior surface characteristics (i.e., smooth, hard surfaces), and do not require the need for any further treatment, such as use of tempering oils, application of post-consolidation sealers, or post-consolidation surface sanding procedures, prior to subsequent finishing operations, such as coating, gluing, painting, or other finishing to complete a desired article for commercial use.
    • 通过将纤维材料与粘合剂组合以形成混合物来制造模制复合制品的改进方法,将混合物干燥至约6重量%的水分含量。 %至约14wt。 基于纤维材料的重量以形成垫子,用包含一种或多种选自以下的添加剂的水溶液涂覆垫的至少一个表面:润湿剂,脱模剂,凝固缓凝剂 ,和粘合剂。 此后,在热和压力下固化垫以形成模制的复合制品。 通过该改进方法形成的制品表现出优异的表面特性(即,光滑的硬表面),并且不需要任何进一步的处理,例如使用回火油,使用后固化密封剂或后固化表面砂光 程序,在随后的整理操作之前,例如涂布,胶合,涂漆或其它整理以完成用于商业用途的期望制品。