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1. (WO2014198469) SYNTHESIS OF ALPHA,BETA-UNSATURATED CARBOXYLIC ACID (METH)ACRYLATES FROM OLEFINS AND CO2

Pub. No.:    WO/2014/198469    International Application No.:    PCT/EP2014/059596
Publication Date: Fri Dec 19 00:59:59 CET 2014 International Filing Date: Tue May 13 01:59:59 CEST 2014
IPC: C07C 51/15
Applicants: EVONIK DEGUSSA GMBH
SCHÄFFNER, Benjamin
BLUG, Matthias
VOGT, Dieter
HENDRIKSEN, Coen
PIDKO, Evgeny
Inventors: SCHÄFFNER, Benjamin
BLUG, Matthias
VOGT, Dieter
HENDRIKSEN, Coen
PIDKO, Evgeny
Title: SYNTHESIS OF ALPHA,BETA-UNSATURATED CARBOXYLIC ACID (METH)ACRYLATES FROM OLEFINS AND CO2
Abstract:
The invention relates to a method for producing α,β-unsaturated carboxylic acids or salts thereof, comprising a step in which a metallalactone is reacted in a solvent in the presence of a halide; to a composition that comprises α,β-unsaturated carboxylic acids or salts thereof and halide ions; and to the use of said composition for the production of superabsorbent materials or as a monomer composition for producing polymers.