Ink composition comprising a polyurethane and a mixture of epoxi

Details Ink composition comprising a polyurethane and a mixture of epoxi Ink composition comprising a polyurethane and a mixture of epoxi

1994-04-15

1995-01-10

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525496, 525500, 525510, 525524, 525528, C08F28300

Patent

active

053808061

ABSTRACT:
The present invention provides an ink composition for printing which comprises a blend of 100 parts by weight of a copolymer comprising a polycaprolactonepolyol, a diamine and a diisocyanate, 30 to 300 parts by weight of a novolac type epoxy resin, 30 to 300 parts by weight of a bisphenol type epoxy resin, 0.2 to 20 parts by weight of a thixotropic agent, 0.1 to 30 parts by weight of a defoaming agent, and 0.1 to 10 parts by weight of a leveling agent. This ink composition is excellent in storage stability, heat resistance, adhesive properties, flexibility, electrical properties, chemical resistance and printing properties as a one-pack type ink composition.

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Derwent Publications Ltd., London, GB; Class A, AN 92-109236 corresponding to JP-A-4 050 271 (Chisso Corp), 19 Feb. 1992.

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