Process for the chemical modification of surfaces of inorganic s

Details Process for the chemical modification of surfaces of inorganic s Process for the chemical modification of surfaces of inorganic s

1974-03-15

1976-05-11

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252428, 252431R, 252431C, 252431N, B01J 3102, B01J 2104, B01J 2106, B01J 2108

Patent

active

039561798

ABSTRACT:
A process for the chemical modification of the surfaces of inorganic solid bodies containing --OH groups, which comprises silanizing the free --OH groups with an alkylhalosilane to covalently bond the alkyl groups thereof to the oxygen atoms of the hydroxyl groups; halogenating or sulfochlorinating the resultant bound alkyl groups to form corresponding haloalkyl or sulfochloroalkyl groups; and replacing the halogen atoms of the resultant haloalkyl or sulfochloroalkyl groups by substitution with a functional group to form a chemically modified, inorganic solid body suitable for use as a stationary phase component in catalysis or chromatography.

REFERENCES:
patent: 2965583 (1960-12-01), Houdry et al.
patent: 3664967 (1972-05-01), Stehl

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