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Recently, the rare earth separation and application team of Baotou Rare Earth Research Institute and the Beijing Aviation Materials Research Institute of China Aviation Development have successfully developed a light rare earth heat-resistant agent product for silicone rubber and fluorosilicone rubber
.
Its heat resistance has reached the level of similar imported products, which can realize the localization of such high value-added heat-resistant agent products
The product has been tested and verified by the Beijing Aviation Materials Research Institute of China Aviation Development, which can effectively increase the use temperature of silicone rubber and fluorosilicone rubber materials and improve their heat resistance levels
.
Silicone rubber materials mainly undergo main chain degradation and side chain methyl oxidation reactions in aerobic and high temperature environments, resulting in a decrease in the mechanical properties of silicone rubber
Rare earth resources are precious strategic resources.
However, the application fields of light rare earth lanthanum and cerium resources are limited, the resource utilization rate is low, the product backlog is large, and the market price has been low for a long time.
The core reason is insufficient development and application
.
The successful research and development of light rare earth heat-resistant products for special rubber materials will help promote the high-value utilization of lanthanum and cerium, and also show that the combination of rare earth and polymer materials has broad application prospects
Silicone rubber has a wide range of applications in the fields of electronic and electrical, medical and artificial organs due to its excellent weather resistance, high and low temperature resistance, electrical insulation, radiation resistance, and biological inertness
.
And the requirements for heat resistance of silicone rubber in various fields are getting higher and higher
