Powder coating resin compositions of glycidyl copolymers having

Details Powder coating resin compositions of glycidyl copolymers having Powder coating resin compositions of glycidyl copolymers having

1975-02-28

1976-11-02

Tillman, Murray

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260830R, 260835, 260836, 260837R, 260861, 260862, C08L 6302, C08L 6310, C08L 6706

Patent

active

039897672

ABSTRACT:
A powder coating resin composition comprising (A) 10 to 90% by weight of a glycidyl- or methyl glycidyl-containing copolymer and (B) 90 to 10% by weight of a polycarboxylic compound, said copolymer (A) being prepared by polymerizing (1) 5 to 40% by weight of at least one ethylenically unsaturated monomer selected from the group consisting of glycidyl-containing ethylenically unsaturated monomers and methyl glycidyl-containing ethylenically unsaturated monomers and (2) 20 to 90% by weight of at least one other ethylenically unsaturated monomer in the presence of (3) 5 to 40% by weight of a polyester resin containing an ethylenically unsaturated bond and having an acid number of not more than 10 KOH mg/g and a hydroxyl number of 20 to 300 KOH mg/g, said polyester resin being derived from 0.1-10 equivalent percent of an ethylenically unsaturated polycarboxylic acid, 30 to 49.9 equivalent percent of a polycarboxylic acid not containing an ethylenically unsaturated bond and 50 to 65 equivalent percent of a polyhydric alcohol.

REFERENCES:
patent: 2781333 (1957-02-01), Updegraff
patent: 3060147 (1962-10-01), Schlegel
patent: 3523143 (1970-08-01), Kwong
patent: 3574157 (1971-04-01), Markus
patent: 3723569 (1973-03-01), Hoeschele
patent: 3781379 (1973-12-01), Theodore et al.

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