C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
400/9043, 400/92
C08F 2/22 (2006.01) C08F 218/04 (2006.01) C08L 31/02 (2006.01) D04H 1/64 (2006.01)
Patent
CA 2013063
O.Z. 0050/40710 Abstract of the Disclosure: Aqueous synthetic resin dis- persions are obtainable by single-stage emulsion copoly- merization of a monomer mixture of a) from 35 to 99.5% by weight of one or more vinyl esters of aliphatic monocarboxylic acids of not more than 6 carbon atoms (monomers A), b) from 0.5 to 10% by weight of one or more monomers of the general formula I (monomers B) Image I where R1, R2 and R3 independently of one another are each hydrogen or methyl, c) from 0 to 64.5% by weight of one or more of the monomers acrylonitrile, styrene and esters of an .alpha.,.beta.-monoethylenically unsaturated monocarboxylic acid of 2 to 5 carbon atoms and an alkanol of 1 to 8 carbon atoms (monomers C) and d) from 0 to 5% by weight of one or more .alpha.,.beta.-mono- ethylenically unsaturated mono- and/or dicarboxylic acids of 3 to 5 carbon atoms and/or their unsub- stituted amides (monomers D), the weights of the monomers A, C and D being chosen within the stated limits so that a polymer composed only of these monomers would have a glass transition tempera- tuew of -50 to +60°C. These dispersions are suitable as binders for the production of nonwovens from mats.
Angel Maximilian
Einwiller Andreas
Basf Aktiengesellschaft
Borden Ladner Gervais Llp
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