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US 10,766,999 B2Granted
Poly(amide-imide) resin composition and fluorochemical coating material
AssigneeHitachi Chemical Company, Ltd.
InventorAtsushi Takahashi
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Abstract
A polyamideimide resin composition containing: (A) a polyamideimide resin which has isocyanate groups at the terminals and in which at least a portion of the isocyanate groups are blocked with a blocking agent selected from the group consisting of alcohols, oximes and lactams, (B) N-formylmorpholine, and (C) water.
Claims12
A fluorochemical coating material comprising a fluororesin and a polyamideimide resin composition comprising:
- (A) a polyamideimide resin which has isocyanate groups at terminals and in which at least a portion of the isocyanate groups are blocked with a blocking agent selected from the group consisting of alcohols, oximes and lactams, (B) N-formylmorpholine, and (C) water.
A fluorochemical coating material comprising a blocked polyamideimide resin and a fluororesin, the blocked polyamideimide resin being produced using a method comprising:
- reacting a diisocyanate compound and a tribasic acid anhydride and/or tribasic acid halide in an organic solvent containing N-formylmorpholine to produce a polyamideimide resin, and
- blocking terminal isocyanate groups of the polyamideimide resin with a blocking agent selected from the group consisting of alcohols, oximes and lactams.
Dependencies are inferred from the claim text.