Thermally cured topcoats on vacuum deposited metal

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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Details

5253269, 5253282, 525374, 525375, C09D 372

Patent

active

045607281

ABSTRACT:
A coating composition adapted to adhere to a chrome surface is disclosed in which a solvent soluble hydroxy-functional acrylic copolymer, including a copolymerized tertiary amine monomer in an amount of from 5% to 40% of the weight of the copolymer, is combined with an organic polyisocyanate curing agent for the soluble copolymer, this composition containing the copolymer and the polyisocyanate curing agent in amounts to provide an equivalent ratio of NCO:OH of from 1.2:1 to 0.5:1. The two components are provided as a two package system which is mixed prior to application.

REFERENCES:
patent: 3681289 (1972-08-01), Kruse et al.

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