Process for the preparation of an aqueous copolymer dispersion

Details Process for the preparation of an aqueous copolymer dispersion Process for the preparation of an aqueous copolymer dispersion

1982-07-14

1985-06-11

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524555, 524556, 524558, 524560, 524562, 525185, C08L 3700, C08L 3900

Patent

active

045229724

ABSTRACT:
An aqueous copolymer dispersion can be prepared, with a particular choice of the monomers and the ratios of their amounts, from styrene, esters of acrylic or methacrylic acid, vinyl esters, monomers containing hydroxyl groups, acrylic and/or methacrylic acid, acrylamide or methacrylamide and addition compounds of glycidyl esters of branched monocarboxylic acids with unsaturated carboxylic acids, by polymerization in the presence of an anionic emulsifier and a radical initiator and, if appropriate, a non-ionic emulsifier, which dispersion, in combination with an aminoplast resin, provides thermosetting coatings with excellent properties. These coatings provide highly elastic, weather-resistant, water-resistant surface coatings, which have high adhesion and are free of flaws, on metallic substrates.

REFERENCES:
patent: 4276210 (1981-06-01), Hohlein et al.
patent: 4395499 (1983-07-01), Rosenski et al.

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