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Title: Metal oxide porous ceramic membranes with small pore sizes

Abstract

A method is disclosed for the production of metal oxide ceramic membranes of very small pore size. The process is particularly useful in the creation of titanium and other transition metal oxide membranes. The method utilizes a sol-gel process in which the rate of particle formation is controlled by substituting a relatively large alcohol in the metal alkoxide and by limiting the available water. Stable, transparent metal oxide ceramic membranes are created having a narrow distribution of pore size, with the pore diameter being manipulable in the range of 5 to 40 Angstroms.

Inventors:
 [1];  [1]
  1. Madison, WI
Issue Date:
OSTI Identifier:
868241
Patent Number(s):
5104539
Assignee:
Wisconsin Alumni Research Foundation (Madison, WI)
Patent Classifications (CPCs):
C - CHEMISTRY C04 - CEMENTS C04B - LIME, MAGNESIA
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
DOE Contract Number:  
AC07-86ID12626
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
metal; oxide; porous; ceramic; membranes; pore; sizes; method; disclosed; production; size; process; particularly; useful; creation; titanium; transition; utilizes; sol-gel; rate; particle; formation; controlled; substituting; relatively; alcohol; alkoxide; limiting; available; water; stable; transparent; created; narrow; distribution; diameter; manipulable; range; 40; angstroms; sol-gel process; oxide membranes; particle formation; particle form; method utilizes; metal alkoxide; ceramic membranes; metal oxide; particularly useful; transition metal; pore size; ceramic membrane; oxide ceramic; porous ceramic; pore sizes; transparent metal; available water; pore diameter; oxide porous; narrow distribution; oxide membrane; /210/

Citation Formats

Anderson, Marc A, and Xu, Qunyin. Metal oxide porous ceramic membranes with small pore sizes. United States: N. p., 1992. Web.
Anderson, Marc A, & Xu, Qunyin. Metal oxide porous ceramic membranes with small pore sizes. United States.
Anderson, Marc A, and Xu, Qunyin. Wed . "Metal oxide porous ceramic membranes with small pore sizes". United States. https://www.osti.gov/servlets/purl/868241.
@article{osti_868241,
title = {Metal oxide porous ceramic membranes with small pore sizes},
author = {Anderson, Marc A and Xu, Qunyin},
abstractNote = {A method is disclosed for the production of metal oxide ceramic membranes of very small pore size. The process is particularly useful in the creation of titanium and other transition metal oxide membranes. The method utilizes a sol-gel process in which the rate of particle formation is controlled by substituting a relatively large alcohol in the metal alkoxide and by limiting the available water. Stable, transparent metal oxide ceramic membranes are created having a narrow distribution of pore size, with the pore diameter being manipulable in the range of 5 to 40 Angstroms.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1992},
month = {1}
}

Works referenced in this record:

Photoelectrochemical Properties of TiO2 Films Prepared by the Sol-Gel Method
journal, January 1987


The preparation and characterization of alumina membranes with ultra-fine pores
journal, August 1985


Sol-gel processing of silica
journal, April 1986


Preparation of TiO2 fibres by hydrolysis and polycondensation of Ti(O—i-C3H7)4
journal, April 1986


Preparation of glasses and ceramics from metal-organic compounds
journal, June 1977


Separation of alcohol/water gaseous mixtures by thin ceramic membrane.
journal, January 1986