Highly pigmentable, liquid coating compositions

Details Highly pigmentable, liquid coating compositions Highly pigmentable, liquid coating compositions

1975-12-02

1978-07-18

Bleutge, John C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 324, 260 328R, 260 334R, 260 336R, 260 338R, 260 39R, 260850, 427372R, 528307, 528281, 528302, C08L 6124, C08L 6128, C08L 6702

Patent

active

041014960

ABSTRACT:
Liquid, highly pigmentable coating compositions containing little or no solvent and which are suitable for spray coating employ a binder consisting either of
A. 45-10% by weight of an aminoplast, a low-molecular weight precursor thereof, or a mixture thereof, and
B. 55-90% of an at least bifunctional polyester, or a mixture thereof, having predominantly hydroxy end groups, a degree of condensation of between 2.5 and 10.5 and a molecular weight of up to 1,000, and prepared by condensing an alcohol component consisting of 0-30 molar percent of one or more 3-6 carbon atom polyols having 3-4 hydroxy groups and 100-70 molar percent of a mixture of diols consisting of 33-90 molar percent of ethylene glycol and 67-10 molar percent of 1,2-propanediol, or a condensation product of A and B.

REFERENCES:
patent: 3553284 (1971-01-01), Riemhofer et al.
patent: 3678128 (1972-07-01), Riemhofer et al.
patent: 3691258 (1972-09-01), Riemhofer et al.
patent: 3819757 (1974-06-01), Dorffel et al.
patent: 3852375 (1974-12-01), Biethan et al.

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