Polyether esters

Details Polyether esters Polyether esters

1973-10-10

1978-03-07

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

260867, 260 75R, C07C 6966

Patent

active

040781488

ABSTRACT:
Polyether ester polymers of tetrahydrofuran and .gamma.-butyrolactone or hexamethyleneoxide and .gamma.-butyrolactone. The polymers are prepared by contacting the mentioned monomers in the presence a fluoride or chloride of antimony or a chloride of tin or titanium. The polymers can be used as components in the preparation of polyurethanes.

REFERENCES:
patent: 2917410 (1959-12-01), Vitalis

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