Patent ID: 7189772
Filing Date: 2007-03-13
Classification: C08G,C08L,C09D

Abstract:
1. A thickener comprising polyurethanes, water, at least one viscosity regulator, and, optionally, at least one organic solvent, wherein said viscosity regulator comprises at least one compound of the general formula (I) in which R SO=styrene oxide radical, EO=ethylene oxide radical, PO=propylene oxide radical, BO=butylene oxide radical, and DTO=dodecene oxide and/or tetradecene oxide (as the individual substance or as a mixture), a=1 to 5, b=3 to 30, c=0 to 5, d=0 to 5, e=0 to 5 where (a+c+d+e)<=b.