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

1981-06-25

1982-07-20

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...

525248, 525250, 525256, 525261, 525262, 525292, 525314, C08F29704

Patent

active

043406904

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: 3598887 (1971-08-01), Darcy et al.
patent: 3639519 (1972-02-01), Hsieh et al.
patent: 3651025 (1972-03-01), Bean et al.
patent: 4049753 (1977-09-01), Moczygemba
patent: 4238576 (1980-12-01), Trepka
patent: 4301258 (1981-11-01), Lal et al.
patent: 4301259 (1981-11-01), Lal et al.
patent: 4308364 (1981-12-01), Udipi et al.

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