Method for preparing alpha-olefin polymers

Details Method for preparing alpha-olefin polymers Method for preparing alpha-olefin polymers

1970-01-21

1976-05-25

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526500, 526502, 526123, 526158, 526351, 526912, C08F 600, C08F 628

Patent

active

039592430

ABSTRACT:
Stabilizing polypropylene to thermal oxidation and ageing by treating polymeric slurry thereof with aqueous solution of a surfactant. Surfactant is fatty acid ester of condensation product of ethylene oxide and sorbitan.

REFERENCES:
patent: 2628176 (1953-02-01), Simon et al.
patent: 2967857 (1961-01-01), Pfeifer et al.
patent: 3070588 (1962-12-01), Klink et al.
patent: 3183202 (1965-05-01), Bard et al.

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