Block copolymers of conjugated dienes or vinyl substituted aroma

Details Block copolymers of conjugated dienes or vinyl substituted aroma Block copolymers of conjugated dienes or vinyl substituted aroma

1982-10-01

1984-07-24

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525299, 525309, 525310, C08F29702, C08F29704

Patent

active

044618743

ABSTRACT:
Block copolymers having a first sequence formed with a conjugated diene or a vinyl substituted aromatic hydrocarbon other than alpha-methylstyrene, a second sequence formed with an acrylic ester, and a linking intermediate sequence formed with alpha-methylstyrene. An anionic polymerization process is used to form these block copolymers.

REFERENCES:
patent: 3198854 (1965-08-01), Warner
patent: 3699190 (1972-10-01), Shimomura
patent: 3739042 (1973-06-01), Chu
patent: 3890408 (1975-06-01), Schepers
patent: 3937760 (1976-02-01), Cole
patent: 4169115 (1979-09-01), Tung

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