Cyclic organo carbonate and sulfite coupling agents for living p

Details Cyclic organo carbonate and sulfite coupling agents for living p Cyclic organo carbonate and sulfite coupling agents for living p

1980-05-27

1981-11-17

Hamrock, William F.

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

Synthetic resins

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

525333, 525348, 525383, 525384, 525386, 526181, 526183, 526335, C08F11200, C08F13200, C08F13600

Patent

active

043012582

ABSTRACT:
New compositions and a process for the preparation of conjugated diene polymers of broadened molecular weight distribution by reacting non-terminated lithium catalyzed conjugated diene polymers with cyclic organic compounds selected from the group of carbonates, thiocarbonates and sulfites. The resulting new compositions are suitable for use in making high impact plastics and for fabricating rubber goods.

REFERENCES:
patent: 3594452 (1971-07-01), De La Mare
patent: 3639519 (1972-02-01), Asieh et al.
patent: 3651025 (1972-03-01), Bean et al.
patent: 4238576 (1980-12-01), Trepka

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