The difference between silicone oil and two methyl silicone oil-Iota

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News > Dynamic industry > The difference between silicone oil and two methyl silicone oil

The difference between silicone oil and two methyl silicone oil

Silicone is a different degree of polymerization of the polysiloxane chain structure. It is by dimethyl dichlorosilane with water solution of condensation in early ring body, ring body by cracking, distillation system, a lower ring body, then the ring body, sealing agent and catalyst on the tune poly can get all kinds of different polymerization degree of mixture, by vacuum distillation to remove the low boiling substances can silicone oil was prepared.
The most commonly used silicone oil, organic groups all for methyl, said the application of silicone oil. Organic groups can also be used to replace part of the methyl group with other organic groups to improve the performance and application of silicone oil in a variety of different uses. The other groups are hydrogen, ethyl, phenyl, phenyl, three F, etc.. In recent years, organic modified silicone oil has been developed rapidly, and many organic modified silicone oil with special properties have been developed.
Silicone oil is generally colorless (or light yellow), tasteless, non-toxic, volatile liquid. Silicone oil is not soluble in water, methanol, glycol and ethoxy ethanol can dissolve each other with benzene, dimethyl ether, methyl ethyl ketone, carbon tetrachloride or kerosene, slightly soluble in alcohol acetone, dioxin alkanes, ethanol, and. It has a very small vapor pressure, high flash point and ignition point, lower freezing point. With the increase of the chain segments n of different molecular weight, viscosity also increased, solid the silicon oil can have a variety of different viscosity from 0.65 CST until millions of CST. If you want to prepare low viscosity of silicon oil, acidic clay can be used as catalyst, and in a temperature of 180 DEG C by telomerization, or with sulfuric acid as catalyst, under the low temperature of telomerization, production of high viscosity silicone oil or viscous material available alkaline catalyst. Silicone oil according to the chemical structure with methyl silicone oil, ethyl silicone oil, phenyl silicone oil, containing methyl hydrogen silicone oil, Jia Jiben silicone oil, methyl chloride phenyl silicone oil, methyl ethylene oxygen containing silicone oil and methyl trifluoro propyl silicone oil, methyl vinyl silicone oil, methyl hydroxy silicone oil, ethyl containing hydrogen silicone oil, hydroxyl containing hydrogen silicone oil, cyanide containing silicone oil; from the purpose, damping silicone oil, diffusion pump oil, hydraulic oil, insulating oil, heat transfer oil, brake oil and so on.
Silicone oil has excellent heat resistance, electrical insulation resistance, weather resistance, hydrophobicity, physiological inertia and a smaller surface tension force. In addition, it has low viscosity temperature coefficient, high resistance to compression) and some varieties with resistance to radiation performance.

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