Process for making lignin gels in bead form

Details Process for making lignin gels in bead form Process for making lignin gels in bead form

1977-02-04

1978-12-26

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 96R, 260124R, 528482, C08H 502

Patent

active

041315731

ABSTRACT:
Disclosed herein is a process for making high molecular weight lignin gel beads by emulsifying an aqueous lignin-containing solution in a water-immiscible organic solvent and reacting the lignin in said emulsion with a cross-linking agent, said reaction being catalyzed by alkali to form lignin gel beads and recovering the beads from the reaction. The lignin gel beads are useful for the fractionation and recovery of compounds by gel permeation.

REFERENCES:
patent: 314085 (1964-09-01), Ball et al.
patent: 2874545 (1959-02-01), Twining
patent: 3759826 (1973-09-01), Felicetta et al.
patent: 4001202 (1977-01-01), Dilling et al.

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