Heat-curable resin compositions for powder paints

Details Heat-curable resin compositions for powder paints Heat-curable resin compositions for powder paints

1976-08-27

1978-05-02

Wong, Jr., Harry

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

428413, C08L 6300

Patent

active

040874796

ABSTRACT:
A heat-curable resin composition obtained by mixing (A) a polyester resulting from the depolymerization of a polyester of a high degree of polymerization comprising an aromatic dicarboxylic acid and an aliphatic dialcohol using a compound containing about 2 to about 12 carboxyl groups per molecule with (B) a polyoxirane compound containing about 2 to about 100 oxirane groups per molecule. A heat-curable resin composition obtained by adding to the above resin composition a salt formed between an aliphatic monocarboxylic acid containing 2 to 20 carbon atoms and an element of Group II of the Periodic Table as a curing accelerator is an especially superior material for powder paints. Powder paints prepared from these heat-curable resin compositions provide coatings having superior appearance and properties upon baking after coating by a method such as an electrostatic spray coating method or a fluidized dip coating method.

REFERENCES:
patent: 3880946 (1975-04-01), LaBana et al.
patent: 3954901 (1976-05-01), Watanabe et al.

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