Continuous insitu catalyst addition for polybutadiene polymeriza

Details Continuous insitu catalyst addition for polybutadiene polymeriza Continuous insitu catalyst addition for polybutadiene polymeriza

1975-05-07

1977-04-26

Holler, Alan

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526335, C08F 414, C08F 470, C08F13606

Patent

active

040202550

ABSTRACT:
There is disclosed a method of preparing high cis-1,4-polybutadiene which comprises continuously polymerizing butadiene in mixture with an inert aliphatic or cycloaliphatic solvent employing as a catalyst a mixture comprising (A) at least one trialkyl aluminum wherein the alkyl group contains from 2 to 8 carbon atoms, (B) at least one nickel salt of carboxylic acids and (C) at least one boron trifluoride complex of ethers in which each of the individual catalyst components are continuously injected into the polymerization vessel containing the mixture of butadiene and inert solvent.

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patent: 3844974 (1974-10-01), Throckmorton
patent: 3845029 (1974-10-01), Throckmorton et al.
patent: 3985677 (1976-10-01), Throckmorton et al.
patent: 3985941 (1976-10-01), Pierson et al.

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