Process for the purification of low pressure polymerized polyole

Details Process for the purification of low pressure polymerized polyole Process for the purification of low pressure polymerized polyole

1976-07-14

1978-07-04

Levin, Stanford M.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528482, 528486, 528496, 528499, C08F 600

Patent

active

040989909

ABSTRACT:
A process is described whereby corrosive, halogen-containing compounds are removed from polyolefins. Briefly, the process comprises mixing the polyolefin with water in a purification zone, treating at least part of the water with an ion exchanger and returning the treated water to the purification zone.

REFERENCES:
patent: 2929808 (1960-03-01), Ross et al.
patent: 3074921 (1963-01-01), Carter
patent: 3119797 (1964-01-01), McGaughy et al.
patent: 3296238 (1967-01-01), Van Der Plas
patent: 3342794 (1967-09-01), Buchanan
patent: 3562227 (1971-02-01), DiDrusco et al.

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