Method for preparing ester end-capped copolyether glycols

Details Method for preparing ester end-capped copolyether glycols Method for preparing ester end-capped copolyether glycols

1978-05-26

1979-05-08

Nielsen, Earl A.

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

Synthetic resins

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

260900, 528242, 560263, C08G 6520

Patent

active

041537866

ABSTRACT:
Ester end-capped copolyether glycol is prepared by copolymerizing tetrahydrofuran and an alkylene oxide or cyclic acetal in a reaction mixture which contains, in addition to the tetrahydrofuran and alkylene oxide or cyclic acetal,

REFERENCES:
patent: 3282875 (1966-11-01), Connally et al.
patent: 3405105 (1968-10-01), Blackwell
patent: 3624053 (1971-11-01), Gibbs et al.
patent: 3644567 (1972-02-01), Smith et al.
patent: 3652465 (1972-03-01), Takakura et al.
patent: 3824219 (1974-07-01), Smith et al.
patent: 3864287 (1975-02-01), Matsuda et al.

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