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News > Dynamic industry > Silicon material and Application

Silicon material and Application

Silicone materials are divided into four major types of silicone rubber, silicone oil and two processing products, silicone resin and silane coupling agent. Because silicone products with electrical insulation, radiation resistance, flame resistance, corrosion resistance, high and low temperature resistance, morphological diversity and physiological inert excellent characteristics, known as "industrial monosodium glutamate", is widely used in the industries of electronic and electrical, building materials, textile, light industry, medicine, machinery, transportation, plastics, rubber and, and deep into every field of people's life and become the leader in new chemical materials, and its development is in the ascendant. At present, the global annual production capacity of more than 1200000 tons, the product variety is about 10000 - 5000 kinds of, the total market sales of about $7000000000.
Silicone main products and applications:
At present, there are many kinds of silicone products, varieties of more than 10000 kinds, more than 4000 kinds of commonly used, can be divided into three kinds of raw materials, intermediates, products and products:
Organosilicon monomer: mainly refers to the organic chlorosilane synthesis of organosilicon polymer monomer, raw materials such as methylchlorosilane, phenyl chlorine silane, vinyl chlorosilane.
Silicone intermediates: mainly refers to the linear or circular body of the silicone oligomer, such as six methyl two silicone (MM), four methyl silicone ring (D4), two methyl silicone mixture (DMC), etc..
Silicone products and products: by the polymerization reaction, and add all kinds of inorganic fillers or modified additives to make silicone products. Silicone rubber (high temperature vulcanized silicone rubber and room temperature vulcanized silicone rubber), silicone oil and two processing products, silicone resin and silane coupling agent four categories. And then through silicone rubber molding, extrusion and vulcanization molding of conductive buttons, a sealing ring, cap, etc. the final activities.
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2, silicone intermediates silicone monomer through hydrolysis or alcoholysis) and cleavage of a variety of different silicone intermediate, silicone intermediates is direct raw materials of synthetic silicon rubber, silicone oil, silicone resin, including hexamethyldisiloxane (mm), rokko base ring silicon alkyl (D3), eight methyl ring four siloxane (D4), dimethyl siloxane mixtures (DMC) linear or cyclic siloxane oligomers ring.
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4, silicone oil
Silicone oil (1) the classification of silicone oil with different viscosity, non-toxic, odorless, non corrosive, non combustible polysiloxane liquid and oily substances. Methyl silicone oil is one of the main varieties of silicone oil, by changing the polysiloxane polymerization degree and organic radical species, or silicone with other organic copolymer can be prepared with a waterproof, anti adhesion, demolding, defoaming and other basic characteristics of silicone oil. There are many varieties of silicone oil, which can be divided into two categories: linear silicone oil and modified silicone oil.
(2) silicone oil products and application of silicone oil has many special properties, such as small viscosity temperature coefficient, high and low temperature resistance, anti-oxidation, high flash point, low volatility, insulation good, low surface tension, the metal without corrosion, non-toxic. Because of these properties, silicone oil is applied in many aspects and has excellent results. In all kinds of silicone oil, silicone oil is the most widely used, is the most important silicone oil, followed by methyl phenyl silicone oil. All kinds of functional silicone oil and modified silicone oil are used for special purpose.
Table 6 main applications of silicone oil
The application of the Department of the special nature of the use of the special Lord should be used in the range of
Machinery industry resistance to high and low temperature, oxidation resistance, strong anti shear for transmission device of lubricating oil, shock proof, damping oil vacuum diffusion pump oil.
Electrical industry, heat resistance, water resistance for transformers, capacitors, transistors and other insulation, heat, moisture and fill
The chemical industry has low surface tension, good chemical stability, and is used for the production of chemical production process, such as fermentation, papermaking, textile dyeing and so on.
Medical non-toxic, hydrophobic, surface active medical anti foaming agent, ointment and protective fat base agent, pharmaceutical additives, surgical equipment, sterilization oil, artificial eye lubricant
General industrial anti - adhesive, weather resistance for coating, rubber, plastic additives and internal release agent
General industrial corrosion resistance, hydrophobic glass apparatus, ceramic, paper, leather, metal, fabric
Surface treatment of articles
Silicone oil in the natural environment in the decomposition is not like most of the other organic compounds that due to bacterial invasion, and it can be said is due to the catalysis of gravel in the soil, which is decomposed into simpler molecules. The decomposition product is a cyclic organic silicon molecule, which is evaporated into the air and further decomposed into natural products, water, CO2 and silica water and materials. The organic silicon compounds in the soil can be dissolved in water, and it can be decomposed into silicate, which is a compound in the water, so it is not necessary to worry about the accumulation and residual of silicone oil.
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