Nanoparticles modified with multiple organic acids
Abstract
Surface-modified nanoparticles of boehmite, and methods for preparing the same. Aluminum oxyhydroxide nanoparticles are surface modified by reaction with selected amounts of organic acids. In particular, the nanoparticle surface is modified by reactions with two or more different carboxylic acids, at least one of which is an organic carboxylic acid. The product is a surface modified boehmite nanoparticle that has an inorganic aluminum oxyhydroxide core, or part aluminum oxyhydroxide core and a surface-bonded organic shell. Organic carboxylic acids of this invention contain at least one carboxylic acid group and one carbon-hydrogen bond. One embodiment of this invention provides boehmite nanoparticles that have been surface modified with two or more acids one of which additional carries at least one reactive functional group. Another embodiment of this invention provides boehmite nanoparticles that have been surface modified with multiple acids one of which has molecular weight or average molecular weight greater than or equal to 500 Daltons. Yet, another embodiment of this invention provides boehmite nanoparticles that are surface modified with two or more acids one of which is hydrophobic in nature and has solubility in water of less than 15 by weight. The products of the methods of this invention have specificmore »
- Inventors:
-
- Lakewood, CO
- Golden, CO
- Arvada, CO
- Boulder, CO
- Superior, CO
- Brighton, CO
- Aurora, CO
- Issue Date:
- Research Org.:
- TDA Research, Inc. (Wheat Ridge, CO)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 913139
- Patent Number(s):
- 7244498
- Application Number:
- 11/120,650
- Assignee:
- TDA Research, Inc. (Wheat Ridge, CO)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
B - PERFORMING OPERATIONS B82 - NANOTECHNOLOGY B82Y - SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES
- DOE Contract Number:
- FG03-00ER82928; FG03-01ER83309
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 77 NANOSCIENCE AND NANOTECHNOLOGY
Citation Formats
Cook, Ronald Lee, Luebben, Silvia DeVito, Myers, Andrew William, Smith, Bryan Matthew, Elliott, Brian John, Kreutzer, Cory, Wilson, Carolina, and Meiser, Manfred. Nanoparticles modified with multiple organic acids. United States: N. p., 2007.
Web.
Cook, Ronald Lee, Luebben, Silvia DeVito, Myers, Andrew William, Smith, Bryan Matthew, Elliott, Brian John, Kreutzer, Cory, Wilson, Carolina, & Meiser, Manfred. Nanoparticles modified with multiple organic acids. United States.
Cook, Ronald Lee, Luebben, Silvia DeVito, Myers, Andrew William, Smith, Bryan Matthew, Elliott, Brian John, Kreutzer, Cory, Wilson, Carolina, and Meiser, Manfred. Tue .
"Nanoparticles modified with multiple organic acids". United States. https://www.osti.gov/servlets/purl/913139.
@article{osti_913139,
title = {Nanoparticles modified with multiple organic acids},
author = {Cook, Ronald Lee and Luebben, Silvia DeVito and Myers, Andrew William and Smith, Bryan Matthew and Elliott, Brian John and Kreutzer, Cory and Wilson, Carolina and Meiser, Manfred},
abstractNote = {Surface-modified nanoparticles of boehmite, and methods for preparing the same. Aluminum oxyhydroxide nanoparticles are surface modified by reaction with selected amounts of organic acids. In particular, the nanoparticle surface is modified by reactions with two or more different carboxylic acids, at least one of which is an organic carboxylic acid. The product is a surface modified boehmite nanoparticle that has an inorganic aluminum oxyhydroxide core, or part aluminum oxyhydroxide core and a surface-bonded organic shell. Organic carboxylic acids of this invention contain at least one carboxylic acid group and one carbon-hydrogen bond. One embodiment of this invention provides boehmite nanoparticles that have been surface modified with two or more acids one of which additional carries at least one reactive functional group. Another embodiment of this invention provides boehmite nanoparticles that have been surface modified with multiple acids one of which has molecular weight or average molecular weight greater than or equal to 500 Daltons. Yet, another embodiment of this invention provides boehmite nanoparticles that are surface modified with two or more acids one of which is hydrophobic in nature and has solubility in water of less than 15 by weight. The products of the methods of this invention have specific useful properties when used in mixture with liquids, as filler in solids, or as stand-alone entities.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2007},
month = {7}
}
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