Polymer slurry catalyst residue deactivation

Details Polymer slurry catalyst residue deactivation Polymer slurry catalyst residue deactivation

1979-01-17

1980-07-08

Levin, Stanford M.

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

Synthetic resins

Treating polymer containing material or treating a solid...

526124, 5263482, 528499, C08F 602

Patent

active

042118638

ABSTRACT:
Catalyst residues of a transition metal compound and an organometalliccompound contained in a polymer slurry are deactivated by contact with anhydrous carbon dioxide. Preferably the contacting is carried out in a transfer line connecting the reaction zone with a zone of sufficiently lower pressure that flashing of diluent occurs in the transfer line to assure mixing of the carbon dioxide and the catalyst residues.

REFERENCES:
patent: 2910461 (1959-10-01), Nowlin et al.
patent: 3057696 (1962-10-01), McLeod
patent: 3176000 (1965-03-01), Scoggin
patent: 3197454 (1965-07-01), Plaster
patent: 3269997 (1966-08-01), Lyons et al.
patent: 3279087 (1966-10-01), Hearne et al.
patent: 3285899 (1966-11-01), Houser et al.
patent: 3428619 (1969-02-01), Hawkins et al.

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