C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
400/4114
C09D 133/06 (2006.01) C09D 125/00 (2006.01) C08L 61/20 (2006.01)
Patent
CA 1139482
Abstract of the Disclosure A water-dilutable lacquer binder comprising a mixture of A. 20 to 94 % by weight of a copolymer consisting of co- polymerized units of a) 30 to 65 % by weight or an aromat- ic vinyl or isopropenyl compound having 8 to 14 carbon atoms or of a methacrylic acid alkyl ester having 1 to 4 carbon atom in the alcohol component, or any mixture thereof; b) 10 to 30 % by weight of at least one acrylic acid alkyl ester having 1 to 8 carbon atoms in the alcohol component; c) 1 to 20 % by weight of maleic acid, fumaric acid, itaconic acid or their semi-esters having 1 to 8 carbon atoms in the alcohol component, (meth)acrylic acid or any mixture of the aforesaid monomers; d) 5 to 20 % by weight of at least one hydroxyalkyl ester of (meth) acrylic acid having 2 to 4 carbon atoms in the alkyl group or glycidyl (meth)acrylate or any mixture of the afore- said monomers; and e) 10 to 30 % by weight of N-methylol (meth)acrylic acid amide or N-methoxymethyl(meth)acrylic acid amide or any mixture thereof; B. 1 to 40 % by weight of a saturated lactam, and C. 5 to 40 % by weight of an aminoplast resin; wherein 30 to 100 % of the number of carboxyl groups of component A. c) incorporated in the copolymer have been neutralized by ammonia or monoamines or polyamines.
340363
Hohlein Peter
Schoeps Jochen
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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