Process for producing stabilized polyolefins

Details Process for producing stabilized polyolefins Process for producing stabilized polyolefins

1977-08-01

1978-09-26

Levin, Stanford M.

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

Synthetic resins

Treating polymer containing material or treating a solid...

260 4595R, C08F 610

Patent

active

041172191

ABSTRACT:
A process for producing stabilized polyolefins comprising adding an epoxide to a polyolefin slurry obtained through polymerization of .alpha.-olefins in the presence of a catalyst containing a halide of a transition metal and an organoaluminum compound to render the catalyst remaining in the polymer inactive, and then subjecting the polyolefin slurry after the above inactivation treatment to an evaporation treatment. The process is extremely simple and results in polyolefins and molded products which are highly stable against discoloration and heat.

REFERENCES:
patent: 2974132 (1961-03-01), Jacobi
patent: 3219647 (1965-11-01), Dietz
patent: 3271380 (1966-09-01), Dietz
patent: 3281399 (1966-10-01), Dietz et al.
patent: 3287343 (1966-11-01), Kutner
patent: 3338878 (1967-08-01), Kutner
patent: 3415800 (1968-12-01), Kutner
patent: 3436386 (1969-04-01), Harris

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