C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/9050
C08K 5/00 (2006.01) C08K 3/00 (2006.01) C08L 57/06 (2006.01) C09D 133/12 (2006.01) C09D 157/04 (2006.01)
Patent
CA 1121927
O.Z. 0050/033154 Abstract of the disclosure: Binders which comprise (A) an aqueous emulsion of a copolymer A, having a glass transition temperature of 0 - 50°C, of monolefinically unsaturated carboxylic acid esters, with or without styrene, vinyl acetate, vinyl chloride and acrylonitrile, which copolymer contains, as copolymerized units, small amounts of monolefini- cally unsaturated monocarboxylic acids and/or dicarboxylic acids and/or their amides (of which the nitrogen atoms may or may not be alkyl-substituted and/or alkylol-substituted) and small amounts of monomers containing carbonyl groups, (B) from 0.05 to 1 mole, per mole of carbonyl groups present in the copolymer A, of a water-soluble aliphatic dihydra- compound and (C) from 0 to 0.02 mole, per mole of dihydra- zine compound, of a water-based zinc, manganese, cobalt and/or lead salt, are particularly suitable for use in paints and pebble dash renderings, since they give films which adhere particularly well to alkyd resin primers and which show particularly little tendency to whitening.
325248
Geelhaar Hans J.
Ley Gregor
Penzel Erich
Basf Aktiengesellschaft
Borden Ladner Gervais Llp
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