| abstract |
the present invention relates to a composition comprising i. at least one reaction product between a nitrogen-free monohydric alcohol and an aldehyde or ketone, where the aldehyde or ketone contains 1 to 10 carbon atoms and the monohydric alcohol comprises 1 to 15 carbon atoms, and ii. at least one reaction product between a sugar alcohol and an aldehyde or ketone, where the aldehyde or ketone contains 1 to 10 carbon atoms and where the sugar alcohol contains 4 to 12 carbon atoms and 4 to 10 groups hydroxy, and in which no more than one hydroxy group is attached to each carbon atom and, optionally, iii. at least one reaction product of iii. a) formaldehyde and iii. b) an amine, selected from the group consisting of primary alkyl amines having 1 to 4 carbon atoms and hydroxy primary alkyl amines having 2 to 4 carbon atoms and, optionally, iv. at least one solids suppressing agent selected from the group consisting of iv (a). alkali or alkaline earth metal hydroxides, iv (b). mono-, di- or trihydroxy alkyl, aryl or alkylaryl amines, iv (c). mono-, di- or trialkyl, aryl or alkylaryl primary, secondary and tertiary amines or iv (d). multifunctional amines and iv (e). mixtures of compounds from groups iv (a) to iv (c)., where the alkyl is c1 to c15, the aryl is c6 to c15 and the alkylaryl is c7 to c15. |