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Title: Sol-gel derived sorbents

Abstract

Described is a method for producing copolymerized sol-gel derived sorbent particles for the production of copolymerized sol-gel derived sorbent material. The method for producing copolymerized sol-gel derived sorbent particles comprises adding a basic solution to an aqueous metal alkoxide mixture for a pH.ltoreq.8 to hydrolyze the metal alkoxides. Then, allowing the mixture to react at room temperature for a precalculated period of time for the mixture to undergo an increased in viscosity to obtain a desired pore size and surface area. The copolymerized mixture is then added to an immiscible, nonpolar solvent that has been heated to a sufficient temperature wherein the copolymerized mixture forms a solid upon the addition. The solid is recovered from the mixture, and is ready for use in an active sampling trap or activated for use in a passive sampling trap.

Inventors:
;
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1174575
Patent Number(s):
6,645,908
Application Number:
09/685,223
Assignee:
UT-Battelle, LLC (Oak Ridge, TN) ORNL
DOE Contract Number:  
AC05-96OR22464
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Sigman, Michael E., and Dindal, Amy B. Sol-gel derived sorbents. United States: N. p., 2003. Web.
Sigman, Michael E., & Dindal, Amy B. Sol-gel derived sorbents. United States.
Sigman, Michael E., and Dindal, Amy B. Tue . "Sol-gel derived sorbents". United States. doi:. https://www.osti.gov/servlets/purl/1174575.
@article{osti_1174575,
title = {Sol-gel derived sorbents},
author = {Sigman, Michael E. and Dindal, Amy B.},
abstractNote = {Described is a method for producing copolymerized sol-gel derived sorbent particles for the production of copolymerized sol-gel derived sorbent material. The method for producing copolymerized sol-gel derived sorbent particles comprises adding a basic solution to an aqueous metal alkoxide mixture for a pH.ltoreq.8 to hydrolyze the metal alkoxides. Then, allowing the mixture to react at room temperature for a precalculated period of time for the mixture to undergo an increased in viscosity to obtain a desired pore size and surface area. The copolymerized mixture is then added to an immiscible, nonpolar solvent that has been heated to a sufficient temperature wherein the copolymerized mixture forms a solid upon the addition. The solid is recovered from the mixture, and is ready for use in an active sampling trap or activated for use in a passive sampling trap.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Nov 11 00:00:00 EST 2003},
month = {Tue Nov 11 00:00:00 EST 2003}
}

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