Polymerization of tetrahydrofuran using trifluoromethane sulfoni

Details Polymerization of tetrahydrofuran using trifluoromethane sulfoni Polymerization of tetrahydrofuran using trifluoromethane sulfoni

1991-07-19

1992-10-13

Cintins, Marianne M.

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

Organic compounds

Oxygen containing

C07C 4304

Patent

active

051552833

ABSTRACT:
A process for forming polytetramethylene ether glycol having a number average molecular weight of 600 to 2,200 by contacting tetrahydrofuran with 5 to 50 wt %, based on tetrahydrofuran, trifluoromethane sulfonic acid monohydrate and water at 20.degree. to 75.degree. C. is disclosed.

REFERENCES:
patent: 3864287 (1975-02-01), Matsuda et al.
patent: 4120903 (1978-10-01), Pruckmayr et al.
patent: 4608422 (1986-08-01), Mueller
patent: 4988797 (1991-01-01), Wardle et al.
patent: 5099074 (1991-03-01), Mueller et al.
Encyclopedia of Polymer Science and Engineering, vol. 16, 1989, John Wiley & Sons, pp. 649-681.

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