As the most widely used viscoelastic damping material, rubber is used to reduce vibration and noise by absorbing and dissipating external energy. The damping performance is usually measured by the loss factor (tanδ) and the damping temperature range (ΔT).
Phenyl silicone rubber not only has excellent radiation resistance, high and low temperature resistance, oxidation resistance and other characteristics, and by changing the structure and content of phenyl units can realize the control of material properties to meet different application conditions, is the key material in industrial production, aerospace, military equipment and other fields. Among them, high phenyl silicone rubber (ratio of phenyl to silicon atoms >30%) has excellent damping properties, mechanical properties and thermal stability, but due to the difficulty of preparation, China is mainly dependent on imports, which seriously restricts the development of related equipment and technology.

Under extreme conditions of extreme cold of minus 110 ° C and high temperature of 400 ° C, ordinary rubber is easily damaged, but phenyl silicone rubber can withstand this extreme challenge.
Phenyl silicone rubber, full name of methyl phenyl vinyl silicone rubber, is a kind of special rubber prepared by introducing methyl phenyl siloxane link or diphenyl siloxane link into the molecular chain of silicone rubber. It can be mixed with various fillers, organic peroxide vulcanizing agents and processing AIDS, and vulcanized by heating to form an elastic rubber body.

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