C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 2/20 (2006.01) B01D 21/01 (2006.01) B01D 51/02 (2006.01) C08F 2/10 (2006.01) C08F 220/06 (2006.01) C08J 3/03 (2006.01) C08L 57/00 (2006.01) D21H 17/34 (2006.01) D21H 21/10 (2006.01)
Patent
CA 2123460
An aqueous, low-viscosity, water-soluble polymeric dispersion containing a polymer (A) is prepared by copolymerizing monomers: (a1) 99 to 70 weight % of at least one water-soluble monomer, (a2) 1 to 30 weight % of at least one hydrophobic monomer and, (a3) 0 to 20 weight % of at least one amphiphilic monomer, which monomers constitute 100 weight % of the polymers forming material which polymer (A) has an average molecular weight M w (mean weight) of at least 5×10 5 Dalton, said process comprising: a first step i) of reacting said monomer ingredients in an aqueous dispersion in the presence of at least one polymeric dispersing agent (D) thereby preparing a dispersion of polymer (A); and a second step ii) of adding at least one polymeric dispersion agent (D), in an aqueous solution, to the dispersion.
Braum Manfred
Carl Joachim
Messner Bernfried
Quis Peter
Schmitt Gunther
Braum Manfred
Carl Joachim
Messner Bernfried
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Quis Peter
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