Patent ID: 7335235

Claim:
An alkoxylate mixture comprising 10 to 90% by weight of at least one alkoxylate of the formula (I) C 5 H 11 CH(C 3 H 7 )CH 2 O(A) x H (I) wherein A is ethyleneoxy, x is a number in the range from 1 to 20, wherein 70 to 99% by weight of the alkoxylate A1 of formula (I) have an n-C 5 H 11 group for the C 5 H 11 group of formula (I) and 1 to 30% by weight of the alkoxylate A2 of formula (I) have a C 2 H 5 CH(CH 3 )CH 2 and/or a CH 3 CH(CH 3 )CH 2 CH 2 group for the C 5 H 11 group of formula (I), and 10 to 90% by weight, of at least one alkoxylate of the formula (II) C m H 2m+1 O(A) v (B) w H (II) wherein A is ethyleneoxy, B is C 3 -C 10 -alkyleneoxy or mixtures thereof, where groups A and B may be present, randomly distributed, alternately, or in the form of two or more blocks in any order, m is an integer in the range from 12 to 24, v is a number in the range from 1 to 50, w is a number in the range from 0 to 10.