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Title: Corrosion inhibiting composition for treating asbestos containing materials

Abstract

A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of an acid component, optionally a source of fluoride ions, and a corrosion inhibiting amount of thiourea, a lower alkylthiourea, a C.sub.8 -C.sub.15 alkylpyridinium halide or mixtures thereof. A method of transforming an asbestos-containing building material, while part of a building structure, into a non-asbestos material by using the present composition also is disclosed.

Inventors:
 [1]
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  1. Columbia, MD
Issue Date:
Research Org.:
Associated Universities, Inc., Upton, NY (United States)
OSTI Identifier:
871478
Patent Number(s):
5741358
Application Number:
08/721,853
Assignee:
W. R. Grace & Co.-Conn. (New York, NY)
Patent Classifications (CPCs):
A - HUMAN NECESSITIES A62 - LIFE-SAVING A62D - CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS
B - PERFORMING OPERATIONS B09 - DISPOSAL OF SOLID WASTE B09B - DISPOSAL OF SOLID WASTE
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DOE Contract Number:  
AC02-76CH00016
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
corrosion; inhibiting; composition; treating; asbestos; containing; materials; transforming; chrysotile; asbestos-containing; material; non-asbestos; disclosed; comprises; water; 30; weight; acid; component; optionally; source; fluoride; amount; thiourea; alkylthiourea; -c; 15; alkylpyridinium; halide; mixtures; method; building; structure; non-asbestos material; composition comprises; asbestos-containing material; comprises water; chrysotile asbestos-containing; acid component; chrysotile asbestos; containing material; corrosion inhibiting; treating asbestos; building material; containing materials; /106/423/427/428/588/

Citation Formats

Hartman, Judithann Ruth. Corrosion inhibiting composition for treating asbestos containing materials. United States: N. p., 1998. Web.
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Hartman, Judithann Ruth. Corrosion inhibiting composition for treating asbestos containing materials. United States.
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Hartman, Judithann Ruth. Tue . "Corrosion inhibiting composition for treating asbestos containing materials". United States. https://www.osti.gov/servlets/purl/871478.
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@article{osti_871478,
title = {Corrosion inhibiting composition for treating asbestos containing materials},
author = {Hartman, Judithann Ruth},
abstractNote = {A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of an acid component, optionally a source of fluoride ions, and a corrosion inhibiting amount of thiourea, a lower alkylthiourea, a C.sub.8 -C.sub.15 alkylpyridinium halide or mixtures thereof. A method of transforming an asbestos-containing building material, while part of a building structure, into a non-asbestos material by using the present composition also is disclosed.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1998},
month = {4}
}
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Works referenced in this record:

Corrosion Inhibition of Copper with Benzotriazole and Other Organic Surfactants
journal, May 1995

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