Polymerization of butadiene

Details Polymerization of butadiene Polymerization of butadiene

1974-12-23

1978-06-20

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429R, 252431R, 252431C, 526142, 5263404, C08F 470, C08F 3606

Patent

active

040963225

ABSTRACT:
A process for producing cis-1,4-polybutadiene by contacting butadiene with a catalyst consisting of (1) at least one organoaluminum compound, (2) at least one organonickel compound selected from the class consisting of nickel salts of carboxylic acids, organic complex compounds of nickel and nickel tetracarbonyl, (3) boron trifluoride gas or a boron trifluoride etherate complex, and (4) at least one alkyl substituted hydroxy containing aromatic compound wherein the alkyl groups leave the hydroxy groups unhindered for chemical activity in that no alkyl groups are present simultaneously on both positions ortho to the hydroxy groups.

REFERENCES:
patent: 3161628 (1964-12-01), Dost et al.
patent: 3432517 (1969-03-01), Ueda et al.
patent: 3528957 (1970-09-01), Throckmorton et al.
patent: 3567702 (1971-03-01), Mori et al.

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