Low organic solvent-containing polyester coating compositions

Details Low organic solvent-containing polyester coating compositions Low organic solvent-containing polyester coating compositions

1978-07-21

1980-08-19

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 316, C08L 6128

Patent

active

042183553

ABSTRACT:
Low organic solvent-containing coating compositions are prepared by blending (i) an ester-containing polyol, having a number average molecular weight of from about 140 to about 700, a hydroxyl value of from about 160 to about 1100 and a viscosity of less than about 1200 poises, which is derived from an aromatic or alicyclic monobasic acid and, optionally, a minor proportion of a polybasic acid and a polyol having an average hydroxyl functionality of from about 2.1 to about 5.0 with (ii) an aminealdehyde crosslinking agent. Particularly valuable coating compositions which can be cured at relatively low temperatures are obtained by incorporating a cure accelerating catalyst into the composition. The compositions aid in environmental pollution control and form films having good adhesion, flexibility, hardness, stain resistance, detergent resistance, solvent resistance and durability.

REFERENCES:
patent: 3883454 (1975-05-01), Dhein
patent: 3959201 (1976-05-01), Chang
patent: 3994851 (1976-11-01), Chang

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