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    • 4. 发明公开
    • Process for compression moulding of a multilayer article impregnated by extrusion
    • Verfahren zum Formen eines mehrschichtigen,durch ExtrusionimprägniertenGegenstandes。
    • EP0653290A1
    • 1995-05-17
    • EP94305441.1
    • 1994-07-22
    • GENERAL ELECTRIC COMPANY
    • Dunton, Thomas PaulTeutsch, Erich Otto
    • B29C70/50B29C70/08
    • B29C70/086B29C70/506
    • This invention is directed to a continuous process for producing a molded thermoplastic fiber reinforced article having a high resin concentration in at least one surface thereof. The finished article may be prepared by compression molding and can have a Class A surface. The continuous process comprises coating at least one surface of a heated fiber mat core (12) with a melted first thermoplastic resin (18), passing the fiber mat core into an extrusion zone (22) wherein a melted second thermoplastic resin (20) is extruded onto at least one surface of the fiber mat core and then molding the fiber mat core and thermoplastic resin into a finished article (26). The continuous process of this invention provides for fast production of molded finished articles such as roof tile, automobile exterior panels, house siding, etc.
    • 本发明涉及在至少一个表面具有高树脂浓度的模制热塑性纤维增强制品的连续制造方法。 成品可以通过压缩成型制备并且可以具有A级表面。 连续方法包括用熔化的第一热塑性树脂(18)将加热的纤维垫芯(12)的至少一个表面涂覆,使纤维垫芯通过挤出区(22),其中熔融的第二热塑性树脂(20)为 挤出到纤维垫芯的至少一个表面上,然后将纤维垫芯和热塑性树脂模塑成成品(26)。 本发明的连续方法提供了模制成品如屋顶瓦,汽车外墙板,房屋壁板等的快速生产。