Process for the preparation of finely divided porous cellulose p

Details Process for the preparation of finely divided porous cellulose p Process for the preparation of finely divided porous cellulose p

1989-06-16

1991-06-25

Nutter, Nathan M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536 63, 536 64, 536 65, 536 68, 536 76, 536 82, 536 83, C08B 300, C08B 500, C08B 700, C08B 316

Patent

active

050268414

ABSTRACT:
Process for the preparation of finely divided porous cellulose in the form of essentially spherical particles by formation of a suspension, in which an organic solution of a cellulose ester of aromatic or aromatic-aliphatic carboxylic acids containing a C.sub.5 -C.sub.12 alkanol is stirred into an aqueous solution of an anionic surfactant, the solvent is removed and the particles are isolated and hydrolyzed under heterogeneous conditions. They are suitable as adsorbents in e.g. chromatographic processes.

REFERENCES:
patent: 4312980 (1982-01-01), Motozato et al.
patent: 4461892 (1984-07-01), Nishikawa et al.
Reactive Polymers I, pp. 145-147 (1983).

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