Chromatographic packing material having functionalized polymeric

Details Chromatographic packing material having functionalized polymeric Chromatographic packing material having functionalized polymeric

1991-03-04

1993-02-16

Garvin, Patrick P.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210656, 2101982, 2105021, 502402, 502157, B01D 1508

Patent

active

051868385

ABSTRACT:
A method of separating organic materials is disclosed utilizing a chromatographic packing material. This packing material includes a coated support material which is a chromatographically suitable substrate. An immobilized butadiene acrylonitrile polymer coating is provided on the substrate. The copolymer can be crosslinked by gamma radiation, or by means of a crosslinking agent such as dicumyl peroxide. The support material can be silica, alumina, diatomaceous earth, zeolite, porous glass or carbon, but preferably a spherical lamellar shaped crystals of aluminum hydroxide. the aluminum hydroxide crystals are bonded together at a central core and extend radially outward from a central core with a particle density ranging from 0.3 to 2.5 g/cm.sup.3 and a diameter of 2 to 150 microns.

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patent: 4913935 (1990-04-01), Lin
Die Angewandte Mackromolekular Chemie 1971, 20, pp. 111-119--Schnecko, H. & Bieber, O.
Chromatographia, 1984, 18, 265-274; 1984, 19, 170-179; 1986, 351, 393-408--Schomburg, Kohler, Figge, Deege.

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