Process of preparing A-B-C elastomeric block copolymers

Details Process of preparing A-B-C elastomeric block copolymers Process of preparing A-B-C elastomeric block copolymers

1974-04-03

1976-05-04

Henderson, Jr., Christopher A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C08L 5302

Patent

active

039546969

ABSTRACT:
A method for preparing a block polymer A--B--C with alkyl lithium where the improvement is in the formation of block B. The method of forming block B which is a conjugated diene is carried out without the removal of contaminants.

REFERENCES:
patent: 3231635 (1966-01-01), Holden
patent: 3265765 (1966-08-01), Holden
patent: 3390207 (1968-06-01), Moss
patent: 3560593 (1971-02-01), Hsieh
patent: 3737421 (1973-06-01), Halasa
patent: 3825623 (1974-07-01), La Flair

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