Polymerization of epoxides

Details Polymerization of epoxides Polymerization of epoxides

1975-01-14

1977-02-22

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 2XA, 260 2D, 260 47A, 526185, 526266, 526273, C08G 6518, C08G 6520, C08G 6524, C08G 6512

Patent

active

040091287

ABSTRACT:
An improved process for the polymerization of epoxides with an organoaluminum catalyst is described. Improvements in conversion, yield and reaction rate are realized by contacting the epoxide at a temperature below 0.degree. C. with at least a catalytic amount of the organoaluminum compound in the presence of at least 0.1 mole, per mole of aluminum, of a perhalogenated aliphatic monoketone which is preferably hexafluoroacetone.

REFERENCES:
patent: 3219591 (1965-11-01), Vandenberg
patent: 3234251 (1966-02-01), Garty et al.
patent: 3522194 (1970-07-01), Hada et al.
patent: 3741916 (1973-06-01), Asai et al.

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