Process for the preparation of an aqueous copolymer...

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

C - Chemistry, Metallurgy

09

D

117/192, 400/546

C09D 133/06 (2006.01) C08F 220/08 (2006.01) C08F 220/14 (2006.01) C09D 125/14 (2006.01) C08L 61/20 (2006.01)

Patent

CA 1230443

- 1 - Abstract of the disclosure 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 meth- acrylic acid, vinyl esters, monomers containing hydroxyl groups, acrylic and/or methacrylic acid, acryl- amide or methacrylamide and addition compounds of gly- cidyl esters of branched monocarboxylic acids with unsatu- rated 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.

407389

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