Coating processes – With post-treatment of coating or coating material – Chemical agent applied to treat coating
Patent
1980-12-15
1982-08-10
Lusignan, Michael R.
Coating processes
With post-treatment of coating or coating material
Chemical agent applied to treat coating
4273935, 525440, 528 80, 528 83, 524377, B05D 310
Patent
active
043438393
ABSTRACT:
Disclosed is a coating composition rapidly curable at room temperature in presence of a vaporous tertiary amine catalyst and possessing a flexibility sufficient for a zero-T bend on metal and a mar resistance of at least about 2,000 grams as borne by the edge of a nickel passed on said film. The coating composition is a phenolic-terminated-polyester and multi-isocyanate curing agent (at least about 10% aromatic isocyanate content) dispersed in a fugitive organic solvent, and a mar-resisting aid of an organic compound physically incompatible in said coating composition and having an effective chain length of at least about 12 carbon atoms. Application of the coating composition preferably is on a flexible substrate such as a thermoplastic substrate.
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Taft et al., "Vapor Permeation Curing" in FATIPEC Congress, II, 1972, p. 335-342.
Ashland Oil Inc.
Bell Janyce A.
Lusignan Michael R.
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