Process for the preparation of polyether glycols

Details Process for the preparation of polyether glycols Process for the preparation of polyether glycols

1990-10-26

1992-03-24

Mars, Howard T.

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

Organic compounds

Oxygen containing

568622, C07C 4102, C07C 4311, C07C 4313

Patent

active

050990748

ABSTRACT:
A process for the preparation of polyether glycols by polymerization of tetrahydrofuran or copolymerization of tetrahydrofuran with oxiranes in the presence of from 20 to 500% w/w of a hydrocarbon, based on the weight of tetrahydrofuran used.

REFERENCES:
patent: 4500705 (1985-02-01), Copelin
patent: 4568775 (1986-02-01), Aoshima et al.
patent: 4638097 (1987-01-01), Mueller
patent: 4658065 (1987-04-01), Aoshima et al.
patent: 4677231 (1987-06-01), Aoshima et al.
patent: 4762951 (1988-08-01), Mueller

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