C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 75/04 (2006.01) C08G 18/48 (2006.01) C08G 18/71 (2006.01) C08K 5/06 (2006.01) C09D 7/00 (2006.01) C09D 7/12 (2006.01)
Patent
CA 2120224
The present invention is directed to a thickener composition for thickening aqueous systems which contains a mixture of a) a water-soluble or water-dispersible thickener containing urethane groups, b) a non-ionic emulsifier and c) a compound corresponding to the formula (see formula I) wherein R1 and R3 may be the same or different and represent hydrocarbon radicals and R2 and R4 may be the same of different and represent hydrogen or hydrocarbon radicals, Q represents alkylene oxide units obtained by the alkoxylation of alcohols with alkylene oxides having 2 to 4 carbon atoms, and n represents a number from 0 to 120. The invention also relates to the use of this thickener composition as a thickener for aqueous systems.
Griesbach Michael
Mazanek Jan
Schwindt Jurgen
Thies Uwe
Aktiengesellschaft Bayer
Gebr. Borchers Ag
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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