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The Difference Between Hydrophilic Silica and Hydrophobic Silica Nanoparticles

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The Difference Between Hydrophilic Silica and Hydrophobic Silica Nanoparticles

Silica nanoparticles has hydrophilic and hydrophobic, widely used in plastic,rubber, resin and so on.

  • product origin:

    China
  • item no.:

    M602, M604
  • shipping port:

    Guangzhou
  • color:

    white powder
  • payment:

    T/T,Paypal
pPoduct Details

The Difference Between Hydrophilic Silica and Hydrophobic Silica Nanoparticles


Spec: 

1. hydrophilic: 20-30nm, <100nm, 99.8%, super fluidity.

2. oleophylic: 20-30nm, <100nm, 99.8%


The difference: 

Hydrophilic silica features

1. It is a hydrophilic liquid phase silica obtained by hydrolysis of a volatile chlorosilanes in the oxyhydrogen flame.

2. It is composed of a silica as a white powder of high purity amorphous silica. Hydrophilic nano silica is moistened with water and can be dispersed in water, its surface not treated.

hydrophilic silica

Hydrophilic silica function:

1. suitable for processing, is adjusted to the optimal rheology 

2. reinforced silicone elastomer 

3.The nonpolar liquid is thickened 

4. food and industrial powder flow aid 

5. high chemical purity 

6. even at elevated temperatures with excellent insulating properties 

7. liquid into powder, such as pharmaceuticals, cosmetics 

 

Hydrophobic silica features: 

1. is a hydrophobic silica prepared by the chemical reaction of hydrophilic fumed silica reactive silanes (e.g., chlorosilanes or hexamethyldisilazane amine oxide). It is hydrophobic (water repellent), and can not be dispersed in water. 

2. hydrophobic silica products are characterized by: low moisture absorption, good dispersion, rheology even have the ability to regulate for polar systems 


Hydrophobic silica functions

1. processing using the most appropriate rheological 

2. thickening polar liquids, such as epoxy resin 

3. reinforced silicone elastomer 

4. High added amount, as in the molded article 

5.Good hydrophobicity, improve corrosion resistance 

6.Improved dielectric properties, such as composite cables 

7.Powder glidants, such as fire extinguishing agent 

8. increase in the coatings and plastics scratch resistance


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