Process for preparing poly(tetramethylene ether) glycol

Details Process for preparing poly(tetramethylene ether) glycol Process for preparing poly(tetramethylene ether) glycol

1984-08-27

1986-02-11

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From heterocyclic reactant containing as ring atoms oxygen,...

528417, 568617, C08G 6520

Patent

active

045699909

ABSTRACT:
The color level of poly(tetramethylene ether) glycol made by polymerizing tetrahydrofuran using fluosulfonic acid as the catalyst is significantly lower if the fluosulfonic acid contains no more than about 1200 ppm of iron sulfites.

REFERENCES:
patent: 3454652 (1969-07-01), Dunlop et al.
patent: 4371713 (1983-02-01), Matsumoto et al.

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