Method of removing lithium compounds from a polymer

Details Method of removing lithium compounds from a polymer Method of removing lithium compounds from a polymer

1992-07-28

1993-06-15

McFarlane, Anthony

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By contact with solid sorbent

585851, 585852, 585864, 585868, 528482, 528496, 528490, C07C 712, C07C 700, C08F 600

Patent

active

052201007

ABSTRACT:
A process for separating an alkali metal or alkali metal compound from a polymer comprising a conjugated diolefin and/or an alkenyl aromatic hydrocarbon monomer wherein a polymer and one or more alkali metal compounds is contacted with a suitable solid adsorbent. Preferably, the solid adsorbent will be selected from the group consisting of alumina, silica-alumina, silica and mixtures thereof.

REFERENCES:
patent: 3600463 (1971-08-01), Hagemeyer, Jr. et al.
patent: 4029879 (1977-06-01), Muzzio
patent: 4250270 (1981-02-01), Farrar
patent: 4507475 (1985-03-01), Straehle et al.
patent: 4528364 (1985-07-01), Prier
patent: 4952304 (1990-08-01), Timms

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