| abstract |
The present invention A) 1 to 99% by weight of the structural unit of formula (A); B) 99 to 1% by weight of the structural unit of formula (B); C) 0 to 40% by weight of the structural unit of formula (C); And D) a salt of a copolymer of an ethylenically unsaturated carboxylic acid with an ethylenically unsaturated fatty acid derivative comprising 0 to 40% by weight of the structural unit of formula (D).n n n n n n n n n n n n n Wherein R 1 , R 2 , R 3 , R 4 , X, M, Y, Z, W and V are as defined in the specification.n n n The invention also relates to a process for the preparation of the above materials and to the use thereof. |