Radiation cured coating for leather

Details Radiation cured coating for leather Radiation cured coating for leather

1979-09-12

1981-05-19

Newsome, John H.

Stock material or miscellaneous articles

Composite

Of polyamidoester

427 44, 427 541, 427370, 427389, 526286, B05D 306

Patent

active

042685800

ABSTRACT:
The invention relates to a radiation curable composition for coating onto leather. The composition comprises from 40 to 90% by weight of a first compound which is a prepolymer or co-prepolymers and from 60 to 10% by weight of a second compound which is mutually soluble with the first. The prepolymer or co-prepolymer is derived from monomer units of which at least 80% are an acrylate or methacrylate monomer and of which the balance, if any, may be styrene or its derivatives or isoprene. Preferably, at least 50% by weight of the prepolymer is butyl acrylate and up to 20% by weight is styrene. The second compound is one or more of urethane acrylate, epoxy acrylate; a rosin derivative; a monomer of vinyl chloride, vinyl acetate, vinylidene chloride or methyl methacrylate or copolymers of such monomers. The composition may be cured after coating onto leather by U.V. or electron beam radiation.

REFERENCES:
patent: 3979426 (1976-09-01), Demajistre
patent: 4013806 (1977-03-01), Volkert et al.
patent: 4016127 (1977-04-01), Larsson et al.
patent: 4057657 (1977-11-01), Garnett et al.

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