Polyether glycol production by polymerization of tetrahydrofuran

Details Polyether glycol production by polymerization of tetrahydrofuran Polyether glycol production by polymerization of tetrahydrofuran

1992-02-14

1993-11-16

Dees, Jose G.

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

Organic compounds

Carboxylic acid esters

C07C 6724

Patent

active

052625621

ABSTRACT:
A method is disclosed wherein tetrahydrofuran is reacted in the presence of acetic anhydride and a catalyst to provide acetate derivatives of polyglycols and using as a catalyst a triflic acid-modified montmorillonite clay at a temperature of 0.degree.-1000.degree. C. and atmospheric pressure.

REFERENCES:
patent: 4243799 (1981-01-01), Mueller et al.
patent: 4605806 (1986-08-01), Ballantine
patent: 4803299 (1989-02-01), Mueller

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