Lamination coating process using polyesterurethane coating
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United States of America Patent
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Mar 19, 1991
Grant Date -
N/A
app pub date -
Dec 21, 1989
filing date -
Dec 21, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for forming a composite that is useful as an exterior vehicle part in which a layer of a coating composition is applied to a flexible smooth glossy polymeric carrier sheet and dried and laminated under heat and pressure to a flexible polymeric substrate to form a laminate, the carrier sheet is removed and the laminate is thermoformed into a three dimensional structure and a rigid thermoformable plastic is adhered to the thermoformed laminate to form the composite; the coating compsition used in the process that forms the exterior finish on the composite has a film forming binder which is in an organic liquid carrier is of a polyesterurethane and a multifunctional crosslinking agent of an epoxy compound or an organic polyisocyanate; wherein the polyesterurethane is formed by reacting a hydroxy functional polyester with a hydroxy containing carboxylic acid and an organic polyisocyanate.
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