Column packing material with both hydrophobic and hydrophilic gr

Details Column packing material with both hydrophobic and hydrophilic gr Column packing material with both hydrophobic and hydrophilic gr

1990-09-25

1992-08-04

Jones, W. Gary

Liquid purification or separation

With means to add treating material

Chromatography

2105021, 210635, 210656, 502401, 502402, 502439, B01D 1508

Patent

active

051356490

ABSTRACT:
A column packing material comprising a porous support coated with a silicone polymer having an Si--R bond, wherein R is a hydrocarbon group having 1 to 18 carbon atoms, and an Si--R' bond, wherein R' is a hydrophilic group having one or more of polyoxyalkylene group or hydroxyl group at the terminal end, of which column packing material is produced by:

REFERENCES:
patent: 3795313 (1974-03-01), Kirkland et al.
patent: 4384954 (1983-05-01), Nakashima et al.
patent: 4544485 (1985-10-01), Pinkerton et al.
patent: 4743377 (1988-05-01), Ohtsu et al.
patent: 4746572 (1988-05-01), Glajch et al.
patent: 4941974 (1990-07-01), Williams
patent: 4950635 (1990-08-01), Williams et al.
patent: 5039419 (1991-08-01), Bradshaw et al.
V. Bazant, V. Chvalovsky, and J. Rathousky, "Organosilicon Compounds", Academic Press, New York, NY (1965) pp. 212, 222.

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