Invention Grant
US09028640B2 Method for pretreating molded articles made of plastic matrix-fiber composites 有权
用于预处理由塑料基质 - 纤维复合材料制成的模制品的方法

Method for pretreating molded articles made of plastic matrix-fiber composites
Abstract:
A method for gluing of shaped bodies made of fiber composite compositions containing a plastic matrix KFZ with polyurethane compositions, the method including: a) application of IR radiation to a defined region of the shaped body of KFZ; b) application of a polyurethane composition to the defined region of the shaped body; c) bonding of the polyurethane composition on the defined region of the shaped body to a substrate; and d) curing of the polyurethane composition. The method is distinguishable by a rapid strengthening (early strength) of the polyurethane composition, so that the bond produced with its use can be machined or stressed already a short time after the application of the polyurethane composition.
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