C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
400/4603
C08J 3/02 (2006.01) C08F 2/44 (2006.01) C08F 220/02 (2006.01) C08F 220/12 (2006.01) C08K 5/25 (2006.01) C08L 33/06 (2006.01) C09D 123/00 (2006.01) C09D 125/14 (2006.01) C09D 133/06 (2006.01)
Patent
CA 1300292
- 14 - O.Z. 0050/39267 Abstract of the Disclosure: Aqueous polymer dispersions which have a long shelf life are obtainable by dispersing a mixture of 15-50% by weight of a copolymer (A) of (I) 1.5-15% by weight of copolymerizable compounds of 3 to 10 carbon atoms which contain a carboxyl or carboxylic anhydride group, (II) 30-98.5% by weight of C1-C20-alkyl acrylates or methacrylates, (III) 0-60% by weight of vinylaromatics, (IV) 0-20% by weight of copolymerizable carbonyl com- pounds and (V) 0-20% by weight of further copolymerizable organic compounds not stated under (I) to (IV) and 50-85% by weight of a copolymer (B) of 40-100% by weight of the monomers (II) and 0-60% by weight of the monomers (III) to (V), with the proviso that the copolymers (A) and (B) together contain, as components, up to 65% by weight of alkyl (meth)acrylates (II) whose have glass trans- ition temperatures of less than 0°C, and that one or both of the copolymers (A) and (B) contain the monomers (IV) as components, in water with the addition of ammonia and a polyhydrazide (C), and the said dispersions are used for the prepara- tion of finishes and coatings.
570246
Auchter Gerhard
Blum Rainer
Neubert Gerhard
Osterloh Rolf
Schwerzel Thomas
Basf Aktiengesellschaft
Robic
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