Patent ID: 7772300

Claim:
A polymeric composition containing A) a water-soluble or water-swellable copolymer containing sulfo groups and comprising a) from 3 to 96 mol % of the formula (I) where R 1 =hydrogen or methyl, R 2 , R 3 , R 4 =hydrogen, aliphatic hydrocarbon radical having 1 to 6 C atoms, phenyl radical optionally substituted by methyl groups and M=hydrogen, monovalent or divalent metal cation, ammonium or an organic amine radical and a=½ or 1, b) from 3 to 96 mol % of the formula (IIa) and/or (IIb) in which W=—CO—, —CO—O—(CH 2 ) x —, —CO—NR 2 —(CH 2 ) x —, x=from 1 to 6, R 5 and R 6 =hydrogen, an optionally substituted aliphatic hydrocarbon radical having 1 to 20 C atoms, a cycloaliphatic hydrocarbon radical having 5 to 8 C atoms or an aryl radical having 6 to 14 C atoms and Q=hydrogen or —CHR 5 R 7 and, in the case of Q≠H, R 5 and R 6 in (IIb) together form a —CH 2 —(CH 2 ) y —methylene group with y=from 1 to 4 and R 7 =hydrogen, an aliphatic hydrocarbon radical having 1 to 4 C atoms, —COO—M a , R 1 , R 2 , M and a having the abovementioned meaning, c) from 0.05 to 75 mol % of the components of the formula (IIIa) and/or (IIIb) in which Y=O, NH or NR 5 , V=—(CH 2 ) x —, R 8 =R 5 or R 6 , X=halogen, C 1 - to C 4 -alkylsulfate (preferably methylsulfate) or C 1 - to C 4 -alkanesulfonate and R 1 , R 2 , R 3 , R 5 , R 6 , M and x have the abovementioned meaning, d) from 0.01 to 50 mol % of the components of the formula (IV) where Z=—COO(C m H 2m O) n —R 9 ,—(CH 2 ) p —O(C m H 2m O) n —R 9 , R 9 =H,C 1 -C 4 -alkyl, and unsaturated or saturated, linear or branched aliphatic alkyl radical having 20 to 40 C atoms, R 10 =H, C 1 -C 4 -alkyl, phenyl, benzyl, C 1 -C 4 -alkoxy, halogen (F, Cl, Br, I), cyano, —COOH, —COOR 5 , —CO—NH 2, —OCOR 5 , R 11 =arylalkyl group having C 1 -C 12 -alkyl and C 6 -C 14 -aryl radical, m=from 2 to 4, n=from 0 to 200, p=from 0 to 20, and R 1 and R 5 have the abovementioned meaning, and B) a nonionic polysaccharide derivative selected from the group consisting of methylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, methylhydroxyethylcellulose, methylhydroxypropylcellulose and welan gum or diutan gum, with a weight ratio of A) to B) of from 1:1 to 5:1.