Siloxane, molecular formula: (R2SiO) x, nature: polymer containing Si—O—Si bond to form the main chain structure. It is traditionally called silicone or polysiloxane, which can be a linear, cyclic or cross-linked polymer.

Properties: polymers containing Si-O-Si bonds to form the main chain structure. It is traditionally called silicone or polysiloxane, which can be a linear, cyclic or cross-linked polymer.

According to product application, it is classified into three categories: silicone oil, silicone rubber and silicone resin.

The raw material for synthesizing siloxane is the derivative of silane SinH2n + 2. Linear siloxane and cyclic siloxane can be obtained by hydrolysis of R2SiCl2 organochlorosilane. Crosslinking siloxane can be obtained by hydrolysis and polycondensation of R2SiCl2 and RSiCl3 organochlorosilane.

Siloxane is stable to heat and chemicals, not wetted by water, outstanding aging resistance, excellent hydrophobicity and electrical insulation. Used as fire retardant, lubricant, moisture-proof agent. Silicone is used to make fiber reinforced materials. Silicone rubber is also used for adhesives and sealing materials.


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