Preparation of hydroxy-terminated conjugated diene polymers

Details Preparation of hydroxy-terminated conjugated diene polymers Preparation of hydroxy-terminated conjugated diene polymers

1976-09-30

1977-08-02

Evans, Joseph E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260575, 260613D, 260615R, 260618F, 260618R, 260633, 526 55, C07C 2900, C07C 4314, C07C 3306, C07C 3310

Patent

active

040395936

ABSTRACT:
Preparation of hydroxy-terminated conjugated diene polymers, particularly polybutadienes, by capping of organodilithium- and organopolylithium- terminated conjugated diene polymers or polybutadienes with lower alkylene oxide or epoxide capping agents in the presence of certain potentiating agents or catalysts exemplified particularly by small proportions of N,N,N.sup.1, N.sup.1 -tetramethylenediamine (TMEDA).

REFERENCES:
patent: 3055952 (1962-09-01), Goldberg
patent: 3468972 (1969-09-01), Hsieh
patent: 3598793 (1971-08-01), Koch

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