Precursor for alkoxylation catalysts

Details Precursor for alkoxylation catalysts Precursor for alkoxylation catalysts

1996-12-13

1998-11-24

Geist, Gary

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568678, 564475, C07C 4103

Patent

active

058409955

ABSTRACT:
A precursor for alkoxylation catalysts is prepared by reacting a chelating anionic or nonionic phase transfer catalyst with an alkaline earth metal compound in the presence of a compound which can be alkoxylated. Suitable phase transfer catalysts are, in particular, ethoxylated fatty alcohols, ether carboxylic acids, ether sulfonic acids or ether phosphonic acids. Addition of sulfuric acid to such a precursor produces an alkaline earth metal sulfato complex which is the actual catalyst for the alkoxylation.

REFERENCES:
patent: 4894485 (1990-01-01), Behler et al.
patent: 4996364 (1991-02-01), Behler et al.
patent: 5600020 (1997-02-01), Wehle et al.

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