Process for producing polymer having functional groups at its ch

Details Process for producing polymer having functional groups at its ch Process for producing polymer having functional groups at its ch

1975-08-18

1978-04-11

Hamrock, William F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

526 55, 528498, C08F 808, C08F 834

Patent

active

040838340

ABSTRACT:
A process for producing a polymer having functional groups at its chain terminals, which comprises reacting a polymer having alkali metal atoms at its chain terminals with an alkylene oxide or sulfide in a hydrocarbon medium having a solubility parameter of 7.2 or less at 25.degree. C. This process makes it possible to produce the said polymer in a short period of time without necessitating a large power for agitation. According to this process, there can be produced a polymer having a functionality near the theoretical functionality in a short period of time.

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patent: 3538191 (1970-11-01), Meredith et al.
patent: 3639519 (1972-02-01), Hsieh et al.
patent: 3684761 (1972-08-01), Stampa
patent: 3725369 (1973-04-01), Halasa et al.

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