Plastic laminate, article and method of making same
First Claim
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1. A method of making a laminate, comprising the steps of:
- a. casting a layer of substantially fully reacted polyurethane as a substrate on a carrier treated with a release agent,b. drying of said polyurethane substrate layer,c. casting a layer of substantially completely foamed polyurethane on said polyurethane substrate,d. heating said laminate to at least partially curing said polyurethane foam layer,e. bonding a flexible sheet over said polyurethane foam layer,andf. completely curing the polyurethane layer.
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Abstract
A plastic laminate and shaped article having a polyurethane film substrate, a fabric superstrate and an intermediate layer of polyurethane foam. The polyurethane foam layer is cast upon the polyurethane film to provide a substantially integral laminate. The fabric layer is also bonded to the foam layer, preferably prior to complete curing, permitting the use of unnapped fabrics.
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Citations
6 Claims
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1. A method of making a laminate, comprising the steps of:
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a. casting a layer of substantially fully reacted polyurethane as a substrate on a carrier treated with a release agent, b. drying of said polyurethane substrate layer, c. casting a layer of substantially completely foamed polyurethane on said polyurethane substrate, d. heating said laminate to at least partially curing said polyurethane foam layer, e. bonding a flexible sheet over said polyurethane foam layer, and f. completely curing the polyurethane layer. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification