Block polymers and their preparation

Details Block polymers and their preparation Block polymers and their preparation

1975-07-17

1977-03-01

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C08L 906

Patent

active

040102262

ABSTRACT:
An improved process for the preparation of branched polymers is provided wherein the individual branches may be selected at will comprising the formation of an anionic polymer of a polymerizable monomer, coupling with a polyvinyl aromatic hydrocarbon and block polymerizing this coupled product with an anionically active polymerizable monomer.

REFERENCES:
patent: 3280084 (1966-10-01), Zelinski
patent: 3637554 (1972-01-01), Childers
patent: 3639521 (1972-02-01), Hsieh
patent: 3644322 (1972-02-01), Farrar
patent: 3778490 (1973-12-01), Hsieh
patent: 3787510 (1974-01-01), Farrar
patent: 3957913 (1976-05-01), Roest
patent: 3985830 (1976-10-01), Fetters

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