Patent ID: 6777517
Filing Date: 2004-08-17
Classification: C04B,C08F

Abstract:
A copolymer based on radicals of unsaturated monocarboxylic or dicarboxylic acid derivatives and oxyalkylene glycol alkenyl ethers, comprisinga) from 51 to 95 mol % of structural units of the formula Ia and/or Ib and/or Ic â€ƒwhere R1=hydrogen or an aliphatic hydrocarbon radical having from 1 to 20 carbon atoms, X=OaM, â€”Oâ€”(CmH2mO)nâ€”R2, â€”NHâ€”(CmH2mO)nâ€”R2, M=hydrogen, a monovalent or divalent metal cation, an ammonium ion or an organic amine radical, a=Â½ or 1, R2=hydrogen, an aliphatic hydrocarbon radical having from 1 to 20 carbon atoms, a cycloaliphatic hydrocarbon radical having from 5 to 8 carbon atoms, a substituted or unsubstituted aryl radical having from 6 to 14 carbon atoms, Y=O, NR2, m=2 to 4 and n=0 to 200, b) from 1 to 48.9 mol % of structural units of the general formula II â€ƒwhere R3=is hydrogen or an aliphatic hydrocarbon radical having from 1 to 5 carbon atoms, p is from 0 to 3, â€ƒand R2, m and n are as defined above, c) from 0.1 to 5 mol % of structural units of the formula selected from one of IIIa and IIIb â€ƒwhere S=H, â€”COOaM, â€”COOR5, â€”Wâ€”R7 â€”COâ€”[NHâ€”(CH2)3]sâ€”Wâ€”R7 â€”COâ€”Oâ€”(CH2)zâ€”Wâ€”R7 â€”(CH2)zâ€”Vâ€”(CH2)zâ€”CH&boxH;CHâ€”R2 â€”COOR5 in the case of S=â€”COOR5 or COOaM U1=â€”COâ€”NHâ€”, â€”Oâ€”, â€”CH2Oâ€”U2=â€”NHâ€”COâ€”, â€”Oâ€”, â€”OCH2â€”V=â€”Oâ€”COâ€”C6H4â€”COâ€”Oâ€” or â€”Wâ€”R4=H, CH3, R5=an aliphatic hydrocarbon radical having from 3 to 20 carbon atoms, a cycloaliphatic hydrocarbon radical having from 5 to 8 carbon atoms, an aryl radical having from 6 to 14 carbon atoms, r=2to 100 s=1, 2 z=0 to 4 x=1 to 150 y=0 to 15 and d) from 0 to 47.9 mol of structural units of the general formula selected from one or both of IVa and Ivb where a, M, X and Y are as defined above.