Powder coating compositions

Details Powder coating compositions Powder coating compositions

1987-10-09

1988-11-29

Bleutge, John C.

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

Synthetic resins

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

525166, 525174, 525176, 525934, C08L 7504, C08L 6702

Patent

active

047882557

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 an acid group-containing acrylic polymer; an aliphatic dicarboxylic acid containing from 4 to 20 carbon atoms per molecule and/or a polymeric polyanhydride and a beta-hydroxy alkylamide crosslinking agent.

REFERENCES:
patent: 3752870 (1973-08-01), Labana
patent: 3845016 (1974-10-01), Labana et al.
patent: 4076917 (1978-02-01), Swift et al.
patent: 4101606 (1978-07-01), Cenci et al.
patent: 4115637 (1978-09-01), Cenci et al.
patent: 4138541 (1979-02-01), Cenci et al.
patent: 4346144 (1982-11-01), Craven
Lomax and Swift, ".beta.-Hydroxyaltylamides Low Polluting Crosslinkers for Carboxyl Containing Polymers."

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