Styrene-diene.sub.1 -diene.sub.2 block terpolymer with improved

Details Styrene-diene.sub.1 -diene.sub.2 block terpolymer with improved Styrene-diene.sub.1 -diene.sub.2 block terpolymer with improved

1976-07-12

1978-10-17

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 457PH, 260 4585N, 260 4595H, C08F29704

Patent

active

041209150

ABSTRACT:
A thermally stable resinous block terpolymer is formed by first polymerizing styrene to form a resinous block segment, thereafter forming a block segment of sequentially polymerized isoprene and 1,3-butadiene, and finally coupling the resulting polymer chains with a polyfunctional coupling agent.

REFERENCES:
patent: 3281383 (1966-10-01), Zelinski
patent: 3637554 (1972-01-01), Childers
patent: 3639517 (1972-02-01), Kitchen
patent: 3639521 (1972-02-01), Hsieh
patent: 3840616 (1974-10-01), Clark
patent: 3859250 (1975-01-01), Fodor
patent: 3959412 (1976-05-01), Oberlin
patent: 3985830 (1976-10-01), Fetters

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