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Colloidal solutions and nanoparticles
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Asahi
Denka's
Colloidal silica is a newly developed colloidal product. It has the properties of being
non-skid, polishing and binding and has a wide
range of use. (Japan)
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Allied High Tech Products, Inc
Colloidal solutions of silica or alumina for polishing purposes Used for final polishing, colloidal suspensions are
mixtures of abrasive particles dispersed throughout a chemically aggressive liquid
carrier.
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Altair
Technologies Inc.
Altair develops a wide variety TiO2 of products,
unique in crystalline phase, size, and morphology. All nano products are
available either as powder or as pre-dispersed slurry. The TiNano
40 Series include high purity USP grade anatase base material, and
stabilized anatase with controlled photocatalytic activity via surface treatment |
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Bayer Corp.
Aqueous Colloidal silica of different grades known
as Levasil
® for precision shell casting, anti-slip applications, polishing silicon
wafers, chemical planarization. |
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Cabot
Cabosil
products consisting of treated and untreated fumed silica and
silica dispersions
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Chemiewerk
Bad Köstritz GmbH (Germany)
Manufacturer for "micronized silica" and
"colloidal silica" for a variety of applications |
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Condea (Germany)
Inorganic speciality chemicals, including zeolites, Aluminates and high purity
colloidal alumina known as Dispersal
® or Dispal ® |
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Crosfield
( ICI group)
Manufacture of precipitated silica, sodium and potassium silicates, sodium
metasilicates, silicagel absorbants,
micronised silica gels catalysts and a wide range of special
chemicals for the use in the detergent and toiletry, oil refining, textile, paper, paint,
plastics, foundry and construction industries. Silicates and Zeolites, silica
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Degussa-Hüls
AG
Aerosil products. A high-temperature hydrolysis process to produce extremely fine
particle-sized oxides. AEROSIL is a highly dispersed or pyrogenic silicon dioxide. It is a
white, fluffy powder, consisting of spherically-shaped primary particles.
Request for litterature
on Aerosil available. See also the list of available aqueous
or organic aerosil dispersions, Hydrophilic
aerosils, Hydrophobic
aerosils Special
types of aerosil including aluminosilicates and titanium oxide |
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Ekachemicals
an Akzo Nobel company
Eka Chemicals is the largest supplier of colloidal silica in
the world, with production in Europe, North America and Asia-Pacific.
Besides its main application in paper manufacturing, Eka´s Bindzil
silica is used in industrial applications such as investment casting,
refractory materials, polishing and frictionising. With three plants
in the United States, two in Europe and one in Asia, the colloidal
silica Group of Eka Chemicals is well positioned to provide you with a
reliable supply of colloidal silica. They manufacture colloidal silica
under different brand names of which the two major brands are
Nyacol
(from 4
to 100 nm particles and from 15 to 50 wt% silica) and Bindzil
(from 6 to 40 nm particles and from 15 to 50 wt% silica). |
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Fuso
Chemical Co., Ltd
Fuso chemical is the largest manufacturer of high purity colloidal silica
around the world. The colloidal silica is manufactured with particle
growth method through hydrolysis and condensation from alkoxysilane.
“Quartron PL” series (http://www.fusokk.co.jp/products/silica_eng/silica02_e.html)
is a high purity (total impurities less than 500 ppb) colloidal silica
prepared from high purity alkoxysilanes. The particle size is from 7
nanometers. The products dispersed in alcohol, glycol, etc are also
available.
“Quartron SP” series (http://www.fusokk.co.jp/products/silica_eng/silica03_e.html
) is a high purity synthetic spherical silica powder prepared from high
purity alkoxysilanes. The particle size is from 0.3 to 1,000 micrometers.
Fuso chemical provide also to its customers methyl silicates (http://www.fusokk.co.jp/products/silica_eng/silica01_e.html
) such as tetramethyl orthosilicate (monomer) and methyl silicate 51 (tetramer)
as well.
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Grace
Davison
Supplier of catalysts and precipitated
silica, SYLOJET®
Silica Gels. Adsorbent pigments for improved ink receptive
coatings.
Product search by name or
category |
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Huber
Supplier of processed minerals for a variety of industrial
applications including: Paint
& coatings, wire & cable, thermoplastics, cast
polymer, coated & uncoated paper. Supplier of synthetic precipitated
silicas of the trade name Zeothix |
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Huntsman Tioxide
Global producer of titanium dioxide ( TiO2 ) pigments. |
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Junye
(China)
Manufacturer of metal, carbon and compound nanoparticles |
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Kempro Sil
Kempro Sil colloidal silicas products may vary in silica concentration
(from 5 up to
40%), in particle size (from 3 up to 100 nanometers) |
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KOMA
spol. s r.o (Czech Republic)
Commercialize dried and liquid
Silicates and
Colloidal,silica Manufactured by SILCHEM, Ltd. |
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Kronos
Titanium dioxide pigments for inks, paints, optical glass ceramics cosmetics plastics
and other applications. |
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Malakoff Industries, Inc.
Alumina powder manufacturer. Samples provided free to qualified researchers and
students. Discover how alumina can be used in everything from artificial joints to
toothpastes, detergents and light bulbs. Online educational stuff
showing how bauxite is transformed to Al and Alumina
Microparticles
GmbH Manufactturer of monodisperse Nano- and Microparticles |
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Madhu Silica
PVT. Ltd
Speciality inorganic chemicals especially silica and silica based chemicals.
They manufacturing 15 different grades of precipitated silica.
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Nalco
Chemical Company
Nalco colloidal silicas are stable dispersions of nanometer
size silica particles in water or other liquid medium.
Colloidal silica particle sizes range from four to 100
nanometers in diameter. These sub-micron-sized spheres
provide very large surface areas, up to 750 square meters
per gram of silica solids, which can dramatically impact the
binding and reinforcing properties of many organic or
inorganic systems. |
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Nippon Chemical
Industrial
Manufacturer of a variety of inorganic products including colloidal
silica, silicates and phosphorus compounds. Trade marks: SILSTAR, a high amorphous and
fused silicates used for the encapsulation of semiconductor devices. SILICADOL, Colloidal
suspensions of ultra-fine silica particles. SILFAM, Silica porous powders
in the nanometer and mesoporous range. |
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Nissan Chemical
American Corporation
They provide the well known colloidal silica under the brand name
Snowtex. Snowtex is a
family of colloidal silica consisting of SiO2 nano-particles
dispersed in water. They also commercialize
colloidal
silica dispersions in organic solvents best adapted for processing
plastics, paints, inks and adhesives. Other
colloids available in the catalogue are
Sb2O3 and
Al2O3. |
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Nyacol Nanotechnologies,
Inc.Manufacturer of Colloidal silica (trade names : NYACOL® DP5820NYACOL® DP5480, NYACOL® DP5540), and
nanoparticles of Sb2O5 (General
Product Information), Al2O3 (NYACOL®
AL20, NYACOL® AL20SD), CeO2
(NYACOL® Colloidal Ceria),
SnO (NYACOL® Colloidal Tin
Oxide), Y2O3( NYACOL®
Colloidal Yttria), ZrO2 (NYACOL®
Colloidal Zirconia ), ZnO ( NYACOL®
Colloidal Zinc Oxide )
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PPG
Chemicals
PPG silica products
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Qingdao
Haiyang Chemicals, Ltd (China)
Manufacturer of silica gel, fine silica, silica sols and
silicates |
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Sachtleben (Germany)
Manufacturer of speciality chemicals, white pigments and extenders including, TiO2 in
rutile and anatase crystalline form coated and uncoated, nanoparticles, photocatalysts,
Barium hydroxide and sulfates, Zinc Sulfide ( ZnS ) floculants and flocculants aids. Data sheet on all products and
applications are online and can be downloaded as pdf files |
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Silica
products
From Dupont Chemical Company |
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Tetronics
Specialized on Plasma Arc plasma torch Technology and systems.
Manufacturer of high purity aluminium (Al) nanoparticlesThornley Company
Wilmington DE (USA)
Colloidal silica suspension for textile and paper anti-slip applications. It provides a
high coefficient of friction such that slide angles of 30 degrees are achievable and
controllable. |
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Vinings
Industries, Inc (USA)
Is a basic manufacturer of silica-based specialties, specifically colloidal silica and
sodium silicate. Vinings, one of North America's largest producers of colloidal silica,
has developed a series of high purity microelectronics grade formulations for Chemical
Mechanical Polishing (CMP) allowing the chip maker to achieve the most stringent design
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Functionalized monodispersed
colloidal particles of polymers and silica.
Suppliers taken from the excellent review paper :
"Monodispersed
colloidal spheres : Old Materials with New Applications"
by Y.
Xia, B. Gates, Y. Yin and Y. Lu, Adv. Mater, Vol 12, N°10,
693, 2000
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