Foamed urethane composite

Details Foamed urethane composite Foamed urethane composite

1979-08-17

1981-06-02

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4273722, 4274071, B32B 518

Patent

active

042712300

ABSTRACT:
A foamed urethane composites comprising foaming urethane and a covering material and having excellent in thermal aging-resistance, which is obtained by applying to the covering material surface to be contacted with the foamed urethane (A) an organic solvent solution or aqueous emulsion comprising (A-1) at least one of flexible urethane resins, starting materials for preparation of flexible urethane resins and vinyl chloride resins, further applying thereto (B) an organic solvent solution comprising (B-1) a copolymer of a carboxyl group-containing ethylenically unsaturated monomer(s) with an acrylic and/or methacrylic acid ester(s) and (B-2) at least one of blocked isocyanate compounds, poly-N-alkoxymethylmelamine compounds, polyepoxy compounds, polyoxazoline compounds, polydihydrooxazine compounds and reactive polyamide compounds, and then subjecting the coated product to crosslinking under heating.

REFERENCES:
patent: 2976577 (1961-03-01), Gould
patent: 3873407 (1975-03-01), Kumata et al.
patent: 3873654 (1975-03-01), Smith

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