Powder coating compositions containing glycidyl ester copolymers

Details Powder coating compositions containing glycidyl ester copolymers Powder coating compositions containing glycidyl ester copolymers

1973-12-18

1976-05-25

Lieberman, Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 37EP, 260824EP, 260827, 260830R, 260DIG16, 260DIG17, 260DIG19, 260 42, 260 4218, 260 4222, 260 4228, 260 4244, C08L 6300

Patent

active

039594041

ABSTRACT:
Powder coating compositions are disclosed which, exclusive of pigments and non-reactive components, comprise a coreactive mixture of: (A) a copolymer of between about 8 and about 30 weight percent of a glycidyl ester of a monoethylenically unsaturated acid and between about 92 and about 70 weight percent of other monoethylenically unsaturated monomers, said copolymer having a glass transition temperature in the range of 40.degree. to 90.degree.C and a number average molecular weight (M.sub.n) of between about 2500 and about 8500; and (B) a phenolic hydroxy terminated compound in the amount of between about 0.8 and 1.2 phenolic hydroxy groups for each epoxy group in the copolymer.

REFERENCES:
patent: 3070564 (1962-12-01), Roeser
patent: 3222419 (1965-12-01), Jubilee
patent: 3247285 (1966-04-01), Belanger
patent: 3297621 (1967-01-01), Taft
patent: 3595944 (1971-07-01), Manning
patent: 3787520 (1974-01-01), Labana

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