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Alumina Sol
Alumina sol is a colloidal solution of baemite nanoparticles dispersed in a solvent. We have established crystal shape control technology based on our core technology of nanoparticle synthesis, and offer alumina sol in various shapes, such as columnar, plate, and fiber.
Alumina sols are characterized by high transparency and high purity. Alumina sols are used in a wide range of applications such as inorganic binders, filler agents, coating agents, and surface treatment agents for thermal, chemical, and mechanical protection and modification. In particular, fibrous Boehmite nanofibers, when added to resins as fillers, are effective in suppressing thermal expansion, improving heat resistance, and increasing elastic modulus. Its high adhesiveness also makes it suitable for use as a binder in nonwoven fabrics and for particle immobilization.
Alumina Sol ~Products list~
| Products | Al2O3(%) | pH | Particle Shape |
Particle size (nm) (short x long) |
Safety agent |
appearance | crystal form |
Viscosity (ｍPa・s) （25℃） |
specific surface area (m2/g) (150℃3h) |
Remarks |
|---|---|---|---|---|---|---|---|---|---|---|
| Alumisol-10A | 9.7～10.3 | 3.4～4.2 | Column | 10×50 | Nitric acid |
Slightly white Liquid |
Boehmite | ＜50 | 300 | Water |
| Alumisol CSA-110AD |
6.0～6.4 | 3.8～4.5 | Column | 10×50 | Nitric acid |
Slightly white Liquid |
Boehmite | ＜50 | 3 | Water /MeOH |
| Alumisol CSA-310AD |
5.7～6.3 | 3.1～3.9 | Column | 10×50 | Nitric acid |
Slightly white Liquid |
Boehmite | ＜200 | 3 | Water |
| Alumisol-10D | 9.7～10.3 | 3.5～4.3 | Column | ー | Nitric acid |
Pale yellowish white Liquid |
Boehmite | ＜200 | 300 | DMF |
| Alumisol-A2 | 9.7～10.3 | 3.4～4.2 | Column | 10×50 | Acetic acid |
Slightly white Liquid |
Boehmite | ＜200 | 240 | Water |
| Alumisol -F1000 |
4.5～5.1 | 3.0～3.6 | Fiber | 4×1400 | Acetic acid |
Slightly white Liquid |
Boehmite | ＜200 | 285 | Water |
| Alumisol -F3000 |
4.5～5.5 | 2.7～3.3 | Fiber | 4×3000 | Acetic acid |
Slightly white Liquid |
Boehmite | ＜100 | 240 | Water |
| Clear sol N | 14.0～15.5 | 7.0～9.0 | Amorphous | ー | Lactic acid |
Slightly white Liquid |
Amorphous | ＜200 | ー | Water |
| Organo aluminasol （NMP) |
5～10 | ― | Column | 10×50 | ー | Slightly white Liquid |
Boehmite | ＜200 | ー | Organic solvent |
| Organo aluminasol （MIBK) |
5 | ― | Fiber | 4×3000 | ー | Slightly white Liquid |
Boehmite | ＜200 | ー | Organic solvent |
| Organo aluminasol （DMAc) |
10 | ― | Fiber | 4×3000 | ー | Slightly white Liquid |
Boehmite | ＜200 | ー | Organic solvent |
Shape-controlled Boehmite nanoparticles
Column
Plate
Fiber
Hexagonal plate
Related Products and Information
Aluminum Organic Compounds
Our aluminum alcoholates and aluminum chelate compounds are used as reduction catalysts, industrial polymerization catalysts, curing catalysts for epoxy resins and urethane resins, substitutes for Sn catalysts, raw materials for high-purity alumina and ceramics, inks, paints, and adhesives. It is being used and studied in a variety of fields such as gelling agents, crosslinking agents, curing agents, resin modification, pigment dispersion, etc.
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