Surface-modified adsorbent comprising metal oxide/hydroxide part

Details Surface-modified adsorbent comprising metal oxide/hydroxide part Surface-modified adsorbent comprising metal oxide/hydroxide part

1988-10-31

1991-01-08

Konopka, Paul E.

Catalyst, solid sorbent, or support therefor: product or process

Solid sorbent

Organic

55 67, 2101982, 2101983, 2105021, 210635, 427220, 435176, 502 4, 502407, 502415, 530811, 530812, B01J 2022, B01J 2032, B01D 1508, B32B 900

Patent

active

049835661

ABSTRACT:
An active material and method of making same are disclosed comprising a metal oxide/hydroxide surface having chemically bonded to reactive sites thereon, a layer of a perfluorinated organic material formed by reacting with the metal oxide/hydroxide a perfluorinated organic acid comprised of an acid group and a perfluorinated carbon-containing group. The bond to the metal oxide/hydroxide surface is formed by reaction of the acid group with the metal oxide/hydroxide surface, so that the perfluorinated carbon-containing group is oriented away from the metal oxide/hydroxide surface. The perfluorinated organic acid may be a perfluorinated phosphonic acid, a perfluorinated phosphinic acid, a perfluorinated carboxylic acid, or a mixture of two or more of the acids.

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patent: 4786628 (1988-11-01), Wieserman et al.
patent: 4788176 (1988-11-01), Wieserman et al.

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