Process for polymerizing conjugated dienes with lithium-tin-nitr

Details Process for polymerizing conjugated dienes with lithium-tin-nitr Process for polymerizing conjugated dienes with lithium-tin-nitr

1993-12-28

1995-10-31

Zitomer, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526180, 526217, 526221, 526236, 526335, 526340, C08F 448, C08F 458, C08F 3606

Patent

active

054630037

ABSTRACT:
A method for preparing a polymer having low hysteresis loss value and good breaking properties using a novel lithium initiator compound for polymerization of a conjugated diene and/or an aromatic vinyl hydrocarbon. Polymers produced in accordance with this method contain tin in an amount more than usual, and can be manufactured with good productivity.

REFERENCES:
patent: 3426006 (1969-02-01), Nutzel
patent: 5268439 (1993-12-01), Hergenrother
Tamborski et al, J. Org. Chem., vol. 28, p. 238 (1963).
Gillman et al, Journal of American Chemical Society, vol. 75, p. 2507 (1953).

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