C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 75/04 (2006.01) A61K 47/30 (2006.01) C08K 5/11 (2006.01) C09D 7/00 (2006.01) C09D 7/02 (2006.01) C09D 11/10 (2006.01) C09J 11/06 (2006.01) C09J 11/08 (2006.01) C11D 3/37 (2006.01)
Patent
CA 2219292
The present invention relates to aqueous thickener compositions for adjusting the rheology of aqueous water-dilutable systems which contain A) a polyurethane thickening agent, B) a nonionic emulsifier, C) a compound corresponding to formula (I) Image (I) wherein, independently of one another, R1 represents a C1-C6 alkyl group or a C4-C6 cycloalkyl group, R2 represents a C1-C6 alkyl group or a C4-C6 cycloalkyl group, and n is an integer from 1 to 6, and D) water and optionally another water-dilutable compound. The present invention also relates to the use of these aqueous thickening compositions for thickening aqueous resin systems.
L'invention concerne des compositions aqueuses épaississantes permettant d'ajuster la rhéologie de systèmes aqueux dissolubles dans l'eau. Elles renferment : A) un agent épaississant à base de polyuréthane; B) un émulsifiant non ionique; C) un composé correspondant à la formule (I) Image (I), où indépendamment l'un de l'autre, R1 représente un alkyle C1-C6 ou un cycloalkyle C4-C6, R2 est un alkyle C1-C6 ou un cycloalkyle C4-C6, et n est un entier de 1 à 6; D) de l'eau et, facultativement, un autre composé dissoluble dans l'eau. L'invention porte également sur l'emploi de ces compositions aqueuses épaississantes pour des systèmes aqueux de résines.
Edelmann Dirk
Link Gunter
Pattou Alain
Borchers Gmbh
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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