Manufacturing process for high cis poly(butadiene)

Details Manufacturing process for high cis poly(butadiene) Manufacturing process for high cis poly(butadiene)

1996-10-17

1997-11-25

Teskin, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 93, 526142, 5263404, C08F 470, C08F13606

Patent

active

056914296

ABSTRACT:
A process for the manufacture of linear, substantially gel free, high cis 1,4 poly(butadiene) comprising polymerization in the presence of (a) a catalyst comprising at least one cobalt compound, at least one organoaluminium compound, and water, and (b) a cycloalkane as main solvent component, and (c) at least one substituted benzene as polymerization regulator of the general formula ##STR1## wherein n is an integer in the range of from 3 to 5, and wherein each R represents a lower alkoxy group containing from 1 to 6 carbon atoms.

REFERENCES:
patent: 4224426 (1980-09-01), Odar
patent: 4242478 (1980-12-01), Lasis
patent: 4303769 (1981-12-01), Odar
patent: 4314045 (1982-02-01), Odar
patent: 4696986 (1987-09-01), Halasa et al.
patent: 5397851 (1995-03-01), Knauf et al.

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