C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/153, 117/183
C08G 18/00 (2006.01) C08G 18/16 (2006.01) C08G 18/18 (2006.01) C08G 18/38 (2006.01) C08G 18/40 (2006.01) C08G 18/46 (2006.01) C08G 18/50 (2006.01) C08L 75/00 (2006.01)
Patent
CA 1254454
VAPOR PERMEATION CURABLE COATINGS COMPRISING POLYMERCAPTAN RESINS AND MULTI-ISOCYANATE CURING AGENTS ABSTRACT OF THE DISCLOSURE 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 concurently 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). -39-
510528
Ashland Oil Inc.
Gowling Lafleur Henderson Llp
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