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

1991-10-16

1993-01-26

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, C08L 6702

Patent

active

051823373

ABSTRACT:
A thermosetting powder coating composition which has good handling properties and which has a good blend 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 polyester having sufficient crystallinity to assist in flow of the powder coating compositions, a beta-hydroxyalkylamide crosslinking agent and an amorphous acid group-containing polyester.

REFERENCES:
patent: 3857905 (1974-12-01), Blackley et al.
patent: 4076917 (1978-02-01), Swift et al.
patent: 4346144 (1982-08-01), Craven
patent: 4889890 (1989-12-01), Kerr et al.

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