Adhesion of polyurethane to EPDM elastomer

Details Adhesion of polyurethane to EPDM elastomer Adhesion of polyurethane to EPDM elastomer

1975-01-09

1976-11-09

Powell, William A.

Stock material or miscellaneous articles

Composite

Of polyamidoester

156306, 156333, 260 4233, 260 4237, 260 4234, 427302, 427385B, 427322, 427400, 428423, 428522, 428521, B32B 2740

Patent

active

039912558

ABSTRACT:
The adhesion of a polyurethane, such as a polyurethane paint, to an EPDM surface, is greatly improved if the EPDM is first chemically modified by mixing it with a halogen donating material, such as an N,N-dihalosulfonamide or a cyclic N-haloamide (e.g., a halogenated hydantoin), and subjecting the mixture to elevated temperature.

REFERENCES:
patent: 3406142 (1968-10-01), Hawley
patent: 3485791 (1969-12-01), Callan
patent: 3524826 (1970-08-01), Kresge et al.
patent: 3528848 (1970-09-01), Zoebelein
patent: 3528943 (1970-09-01), Goldberg et al.
patent: 3532592 (1970-10-01), Kraus et al.
patent: 3657046 (1972-04-01), Furukawa et al.
patent: 3694304 (1972-09-01), Palumbo
patent: 3764365 (1973-10-01), Duncan et al.
patent: 3813257 (1974-05-01), West
patent: 3862883 (1975-01-01), Cantor

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