Aqueous, oxidatively drying coating composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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106264, 523500, 523502, C08L 5108, C09D 364, C09D 368

Patent

active

044475675

ABSTRACT:
An aqueous, oxidatively drying coating composition is provided, the binder system of which comprising (A) the polymer obtained by polymerization of a monoethylenically unsaturated compound in the presence of (B) an aqueous solution of an ionized, oxidatively drying alkyl resin, and (C) a dispersed, oxidatively drying alkyd resin having a number average molecular weight of 600-6000, a viscosity of at most 30 Pa.s, measured at 20.degree. C., an acid number of 0-20 and a hydroxyl number of 0-130, and built up of 3-40% by weight of a hydroxyl compound, 2-44% by weight of a carboxylic acid including a cycloaliphatic dicarboxylic acid, and 20-90% by weight of an ethylenically unsaturated fatty acid. Calculated on solid matter, component C forms 5-65% by weight of the binder system. The coating composition is preferably applied to wood.

REFERENCES:
patent: 4094836 (1978-06-01), Yasui et al.
patent: 4116903 (1978-09-01), Lietz et al.
patent: 4293471 (1981-10-01), Heiberger

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