D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
400/1337
D21H 21/16 (2006.01) C08F 220/18 (2006.01) D21H 17/28 (2006.01) D21H 17/37 (2006.01)
Patent
CA 1303765
O.Z. 0050/38946 Abstract of the Disclosure: Sizing agents for paper are based on finely divided aqueous dispersions of copolymers obtainable by copolymerizing from 40 to 140 parts by weight of a monomer mixture of (a) from 20 to 65% by weight of (meth)acrylonitrile, (b) from 35 to 80% by weight of one or more acrylates of monohydric saturated C3-C8-alcohols and (c) from 0 to 10% by weight of other ethylenically un- saturated copolymerizable monomers, the weight percentages (a), (b) and (c) always adding up to 100, in the manner of an emulsion polymerization in 100 parts by weight of an aqueous solution containing in solution from 2.7 to 15% by weight of a degraded starch having a viscosity ni from 0.04 to less than 0.12 dl/g at from 40 to 100°C in the presence of a peroxide initiator.
556990
Degen Hans-Juergen
Hoehr Lothar
Reichel Fritz
Riebeling Ulrich
Basf Aktiengesellschaft
Borden Ladner Gervais Llp
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