Some information on silicone oil-Iota

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Service > Some information on silicone oil

Some information on silicone oil

Physical properties of the silicone oil is a great relationship with silicone oil temperature parameters n1r2r, λ is the structure factor ω sticky viscous coupling is the coupling of the input speed difference, which determines the silicone oil shear rate, when viscous Union after the radius and the number of pieces and the type of silicone oil inside and outside of the blade shaft is determined, the main factors affecting the viscous coupling torque is transmitted shear blade pitch working temperature and shear rate, which is the case of structural factors blade pitch, and the operating temperature with the shear rate to affect the physical properties of the silicone oil at work.
Be discussed one by one below
Silicone lubricant has a high viscosity index, heat resistance, low pour point advantage, can work in a wide temperature range. Chemical properties of the silicone oil is relatively temperature, but after long-term use and also due to intrusion of foreign matter and oxidative deterioration. Because the silicone oil is expensive, should be collected separately and recycled.
Waste silicone typically used two methods regeneration, waste electrical equipment is mainly used silicone oil adsorption purification treatment, waste silicone oil and silica gel, activated alumina, activated clay, activated carbon adsorbent contact refined. The spent adsorbent was filtered off, after the silicone oil at 50 ~ 110 ℃ vacuum degassed (e.g. 95 ℃ vacuum degassing) or stripped with nitrogen blowing at 20 ~ 80 ℃, can be regenerated to purify silicone oil.
Another method is: the waste liquid silicone with a solvent vapor treatment, dissolution by the solvent condenses, the silicone oil in the waste is dissolved impurities extracted out and form another liquid phase immiscible with the silicone oil. The waste silicone oil can polychlorinated PAHs (PCBs) are dissolved and removed by this method. After the silicone oil treated also contains traces of solvent can be removed by vacuum drying. Commonly used are hydrocarbon solvents and chlorinated hydrocarbon solvents

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