Method of manufacturing molded products and laminated structure

Details Method of manufacturing molded products and laminated structure Method of manufacturing molded products and laminated structure

1987-12-11

1989-05-16

Van Balen, William J.

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428 95, 428282, 4283171, 4283197, 4284231, 428489, 521 83, 521101, B32B 1104, B32B 2740, C08J 900

Patent

active

048309168

ABSTRACT:
A method of manufacturing molded products (or foamed and molded asphalt/urethane foam products) most suitable for sound-proof, vibration control and sealing members which are applied to the floor panel, dashboard and the like in a car, for example, and more particularly, a method of manufacturing foamed and molded asphalt/urethane products comprising introducing polyalkylene polyol having at least two or more hydroxyls in a molecule and polyisocyanate having two or more isocyanate radicals into a mold together with a catalyst and a foaming agent, and reacting them in it, wherein said polyalkylene polyol includes asphalt previously emulsified and dispersed therein; and a laminated structure including a layer of foamed asphalt/urethane foam made according to the method.

REFERENCES:
patent: 4495240 (1985-01-01), McCarthy
patent: 4737524 (1988-04-01), Ako et al.

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