Colloidal silica
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Information profile @ a Glance
  • Colloidal silicas are found in fields as
    diverse as catalysis, metallurgy, electronics, glass, ceramics, paper and pulp technology, optics, elastomers , food, health care and industrial chromatography
  • Commercial colloidal silicas are commonly available
    in the form of sols or powders. The powders can be xerogels, dry precipitates, aerogels, aerosols, or dried and calcined coacervates. The ultimate unit for all of them is a silica particle, the size of which determines the specific surface area of the product
  • A stable dispersion of solid colloidal particles in a liquid is called a sol. Stable in this case means that the solid particles do not settle or agglomerate at a significant rate. If the liquid is water, the dispersion is known as an aquasol or hydrosol.
  • Commercial colloidal silicas are produced by many
    companies both in the Americas, in Europe, and in
    Japan as dispersions in water or organic solvents
  • The processes for producing colloidal silica use the low-cost sodium silicate solutions as main raw material. These methods include dialysis , electro dialysis , acid neutralization peptization and ion exchange
  • Colloidal silica prepared from silicon by direct oxidation has a monodispersed spherical shape
    and purity control with reasonable prices. It generates less waste water because it can be directly produced in relatively high concentrations
  • A careful comparison of colloidal silica and the preparation methods may help in choosing the proper colloidal silica that is the most appropriate for the application being considered.
     

Basic Information

  • Fundamentals & applications

Companies & Products

  • Technology company profile

  • Technology Company

  • American company product

  • Plant in China

  • MSDS

  • Company - UK

  • Company - Japan

  • List of Companies

  • Silica Slurry

  • Super Colloidal Silica

  • Company in News

Trade Scenario
  • Historical Developments
  • The colloidal silica densifier
  • Ultrafiltration membranes
  • Castings applications
  • Coating Applications
  • Coating Material
  • Optical Coating
  • Nano Hybrid Materials
  • Spray Pyrolysis Techniques
  • Silica Sol Binder for Building Materials
  • Suppliers - colloidal silica
Patent
  • Process making Colloidal Silica
  • Stable Colloidal Silica Aquasols

Technology Information

  • Preparation Methods of
    Colloidal Silica
  • Preparation and Characterization of Colloidal Silica
  • Synthesis of Colloidal Silica Dumbbells
  • Synthesis Procedure
  • New Method
  • Membrane Filtration of Colloidal Silica
  • Stabilization of colloidal silica using small polyols
  • Precipitation of colloidal silica
  • Evaluation of colloidal silica
  • Amorphous Colloidal Silica
  • Technology source
  • The aggregation of stable colloidal silica dispersions
  • Energy Calculations
  • Colloidal silica removal

Project Information

  • Consultants
  • Equipment supplier
  • Sodium silicate suppliers
  • Testing

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