Powder coating composition comprising a co-reactable particulate

Details Powder coating composition comprising a co-reactable particulate Powder coating composition comprising a co-reactable particulate

1992-08-24

1993-05-25

Seidleck, James J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525175, 525934, 525451, 525416, 525454, 5253297, 5253299, 525374, 5253305, C08L 6702, C08F 830, C08F 2006, C08F 2018

Patent

active

052141012

ABSTRACT:
A thermosetting powder coating composition which has good handling properties and which has a good bland of physical properties such as appearance, flexibility, hardness, solvent resistance, corrosion resistance and exterior durability is disclosed. The composition comprises a co-reactable particulate mixture of a carboxylic acid group-containing acrylic polymer, a second carboxylic acid group-containing polyurethane having sufficient crystallinity to assist in flow of the powder coating compositions, a beta-hydroxyalkylamide crosslinking agent and an amorphous acid group-containing polyurethane.

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U.S. Patent Application Ser. No. 106,463, Powder Coating Composition, filed Oct. 9, 1987 by Pettit et al.

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