Preparation of organometal terminated polymers

Details Preparation of organometal terminated polymers Preparation of organometal terminated polymers

1976-01-19

1977-05-31

Hamrock, William F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4237, 260 4247, 526 20, 526 21, 526 30, 526 46, 526 48, C08F 3604, C08F 3606, C08F23604, C08F23610

Patent

active

040268659

ABSTRACT:
Alkali metal or alkaline earth metal terminated rubbery polymers are reacted with monofunctional hydrocarbyl organometal compounds in which the metal is selected from Groups 2b, 4a, and 5a and which contain either halogen, --OR, --SR, or --N(R).sub.2. The resulting rubbery polymers have improved physical properties in gum or filled stocks.

REFERENCES:
patent: 3674753 (1972-02-01), Uraneck
patent: 3692874 (1972-09-01), Farrar et al.
patent: 3704286 (1972-11-01), Schafer et al.
patent: 3845030 (1974-10-01), Uraneck et al.
patent: 3956232 (1976-05-01), Uraneck et al.

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