Vapor permeation curable coatings comprising polymercaptan resin

Details Vapor permeation curable coatings comprising polymercaptan resin Vapor permeation curable coatings comprising polymercaptan resin

1986-09-09

1988-06-28

Bell, Janyce A.

Coating processes

With post-treatment of coating or coating material

Chemical agent applied to treat coating

427426, B05D 104, B05D 106

Patent

active

047538252

ABSTRACT:
Disclosed is a method for curing a film of a coating composition under vapor permeation curable conditions. Such method comprises exposing a coating composition to a vaporous tertiary amine catalyst. The coating composition can be in the form of an atomizate which is concurrently generated and mixed with a vaporous tertiary amine catalyst followed by application to a substrate, or can be an applied film of the coating composition which is exposed to the vaporous tertiary amine catalyst. The coating composition comprises a polymercapto-compound and a multi-isocyanate curing agent. The coating composition can be formulated to contain very high solids content (e.g. in excess of 70% and on up to 100% non-volatile solids).

REFERENCES:
patent: 3058955 (1962-10-01), Neumann et al.
patent: 3874898 (1975-04-01), McInnes
patent: 4517222 (1985-05-01), Blegen

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