Outdoor durable coating compositions and acid functional polyest

Details Outdoor durable coating compositions and acid functional polyest Outdoor durable coating compositions and acid functional polyest

1998-02-17

2000-08-22

Boykin, Terressa M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

428480, C08G 6302

Patent

active

06107442&

ABSTRACT:
A tertiary carboxyl functional polyester resin useful for production of powder coatings is produced by reacting at least one aliphatic compound comprising two aliphatic hydroxyl groups and a tertiary carboxyl group with at least one cycloaliphatic carboxylic acid compound comprising two secondary aliphatic carboxyl groups or the anhydride thereof, wherein each hydroxyl group independently is a primary or secondary hydroxyl group, and wherein the number of hydroxy groups exceeds the number of carboxylic acid groups and anhydrides thereof. The reaction continues until essentially all the non-tertiary carboxyl groups initially present in the reaction mixture have been reacted. These polyester resins may be used together with a suitable curing agent for the production of powder coatings, or may be converted into the corresponding glycidylesters, which in combination with a suitable curing agent can be used for the production of powder coatings.

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Chemical Abstracts vol. 83, No. 2, 14-7-75, Columbus, Ohio, U.S., Abstract No. 11413, XP002031676.

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