Removal of catalyst residue from polyketone solution with silica

Details Removal of catalyst residue from polyketone solution with silica Removal of catalyst residue from polyketone solution with silica

1992-02-26

1993-07-27

Anderson, Harold D.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528392, 528482, 528490, C08G 6702

Patent

active

052311643

ABSTRACT:
Catalyst residue (e.g., trace Group VIII metal) is removed from a polyketone solution, and from the polyketone resin itself, by passing the solution through a column comprising a metal oxide (e.g., silica gel) which is effective in removing the residue therefrom or by mixing the polyketone solution with particulate metal oxide.

REFERENCES:
patent: 2666756 (1954-01-01), Boyd et al.
patent: 4786716 (1988-11-01), Van Broekhoven et al.
patent: 4870156 (1989-09-01), Pino et al.

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