Process for the production of butadiene-propylene copolymers

Details Process for the production of butadiene-propylene copolymers Process for the production of butadiene-propylene copolymers

1978-05-18

1980-02-19

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 328A, 260 332R, 260 336A, 526339, C08F 468

Patent

active

041895584

ABSTRACT:
A process for the production of strictly alternating copolymers of trans-1,4-butadiene and propylene units by the solution copolymerization of butadiene and propylene with vanadium-containing organometallic mixed catalysts, wherein vanadyl dialkoxy halides of which the alkoxy groups are branched in the 2-position to the oxygen atom are used as the vanadium compounds.

REFERENCES:
patent: 3652518 (1972-03-01), Kawasaki et al.
patent: 3652519 (1972-03-01), Kawasaki et al.
patent: 3824224 (1974-07-01), Kawasaki et al.

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