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News > Dynamic industry > Silicone oil classification

Silicone oil classification

Silicone is a different degree of polymerization of the polysiloxane chain structure. It is composed of two methyl two chloro silane water hydrolysis condensation in early ringbody, the ring body by cracking, distillation system, a lower ring body, and then ring body,sealing agent, the catalyst can be obtained together telomerization of various mixtures of different degree of polymerization, by vacuum distillation to remove the low boiling substances can be prepared silicone oil.

The most commonly used silicone oil, organic whole as a methyl group, said Shensilicone oil. The organic groups can also be used in place of some other organic radicalmethyl groups, use to improve certain properties of silicone oil and is suitable for variousdifferent. Other common group of hydrogen, phenyl, phenyl, ethyl chloride, three fluorinepropyl etc.. In recent years, organic modified silicone oil obtained the rapid development,there have been many with a special performance of the organic modified silicone oil.

Silicone is generally colorless (or light yellow), tasteless, non-toxic, non volatile liquid.Silicone is not soluble in water, methanol, glycol and - ethoxy ethanol, benzene, twomiscible with ether, methyl ethyl ketone, carbon tetrachloride or kerosene, slightly soluble in acetone, dioxane two, ethanol and alcohol. It has a freezing point of very small vapor pressure, high flash point, low. As the number of segments of N are different, the increase of molecular weight, viscosity also increased, therefore can have a variety of silicone oil viscosity, from 0.65 up to a million CST cst. If you want to prepare the silicone oil with low viscosity, available clay acid as catalyst, and telomerization at a temperature of 180 DEG C, or by using sulfuric acid as a catalyst, by telomerization at low temperatures, the production of high viscosity silicone oil or viscous material availablealkaline catalyst.

According to the chemical structure of silicone oil to methyl silicone oil, silicone oil,silicone oil, ethyl phenyl methyl silicone oil containing hydrogen, methyl phenyl silicone oil, methyl chloride, methyl phenyl silicone oil, silicone oil, ethoxylated methyl propyl silicone three fluoride, methyl vinyl silicone oil, methyl ethyl hydroxy silicone oil, silicone oil containing hydrogen, hydroxyl hydrogen containing silicone oil, silicone oil containingcyanide etc.; from the use of points, there are damping silicone oil, silicone oil diffusionpump, hydraulic oil, insulating oil, heat transfer oil, brake oil.

Silicone oil has excellent heat resistance, surface tension, electrical insulation, weather resistance, hydrophobicity, physiological inert and smaller, moreover also has lowviscosity temperature coefficient, high resistance to compression of some varietiesresistant to radiation performance