公开(公告)号：CA2648696A1

公开(公告)日：2007-11-08

申请号：CA2648696

申请日：2007-04-26

Applicant: BASF SE

Inventor： FRANZ DIANA ,  KONRAD ROUVEN ,  GUZMANN MARCUS ,  LIU YAQIAN

IPC: C08F220/00

Abstract: The present invention relates to copolymers which are obtainable from the free radical copolymerization of at least (a) a monoethylenically unsaturated carboxylic acid having 3 to 6 carbon atoms or the anhydride thereof with (b) a reaction mixture comprising a component of the general structural formula where R1, R2, R3, R4, independently of one another, are H or C1- to C4-alkyl, n and m, independently of one another, are an integer from 1 to 100 and R5 is H or methyl, a process for the preparation of the polymer according to the invention and the use thereof as a scale inhibitor.