Powder coating based on a carboxyl-functional polyester and an e

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

Other Related Categories

525440, C08F 2000

Type

Patent

Status

active

Patent number

051681102

Description

ABSTRACT:
The present invention relates to a powder coating based on a carboxyl-functional polyester and an epoxy-functional cross-linking agent. The cross-linking agent is the reaction product of an isocyanate-containing compound and a hydroxyglycidyl ester. The present invention also relates to the reaction product of a hydroxylglycidyl ester and an isocyanate-containing compound based on an active hydrogen-containing compound and a polyisocyanate. The present invention also relates to hydroxyglycidyl esters with a molecular weight between 132 and 500 and reaction products thereof.

REFERENCES:
patent: 3142686 (1964-07-01), Kreps et al.
patent: 4087479 (1978-05-01), Toyota et al.
patent: 4147737 (1979-03-01), Sein et al.
patent: 4732853 (1988-03-01), Whitesides et al.
patent: 4801662 (1989-01-01), Fischer
patent: 4902756 (1990-02-01), Kordomenos et al.

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