C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 9/40 (2006.01) C02F 5/10 (2006.01) C02F 5/14 (2006.01) C08F 230/02 (2006.01) C11D 3/37 (2006.01) D06L 3/02 (2006.01)
Patent
CA 2092775
HOE 92/F 079 Abstract of the Disclosure: Alkenylaminoalkylenephosphonic esters and process for the preparation of copolymers comprising alkenylamino- alkylenephosphonates and ethylenically unsaturated compounds The present invention relates to alkenylaminoalkylene- phosphonic esters of the formula (1) Image (1) where R1 to R5, Z, X, a and b have the meanings specified in the description, with the exception of the compounds of the formulae (H2C=CH-CH2)2N CH[PO3(C2H5)2]2 and (H2C=CH-CH2)2N-CHR4-PO3X2, and also processes for their preparation. The invention also relates to a process for preparing copolymers comprising from 0.1 to 99% by weight, prefer- ably from 1 to 50% by weight, of at least one monomer unit of the formula (2) Image (2) where R6, R7, M and Y have the meanings specified in the description, and from 99.9 to 0.1% by weight, preferably from 99 to 50% by weight, of at least one monomer unit from the group comprising ethylenically unsaturated carboxylic acids, sulfonic acids and their derivatives, and also other ethylenically unsaturated compounds, and use of the copolymers as antiscalants, complexing/sequestering agents and builders and cobuilders in detergents.
Krull Matthias
Naumann Christoph
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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