Method for the production of polytetramethylene ether glycol

Details Method for the production of polytetramethylene ether glycol Method for the production of polytetramethylene ether glycol

1993-11-10

1995-02-28

Kight, III, John

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

Synthetic resins

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

528408, 568679, 568680, C08G 5968, C08G 6504, C07C 4302

Patent

active

053938666

ABSTRACT:
A method for the production of polytetramethylene ether glycol wherein polymerization of tetrahydrofuran in the presence of fluorosulfonic acid is followed by hydrolysis of the resulting polymer, characterized by

REFERENCES:
patent: 3778480 (1973-12-01), Matsuda et al.
patent: 4521571 (1985-06-01), Ishida et al.
patent: 4539394 (1985-09-01), Fukuda et al.
patent: 5130470 (1992-07-01), Dorai et al.

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