Organic silicon compounds, which contain silicon carbon bonds (Si-C) and at least one organic group directly connected to silicon atoms, have the unique molecular structure (silicon oxygen bonds as the main chain and organic groups as the side chains) and possess the performance advantages of both inorganic and organic materials. As the world's largest producer and consumer of organosilicon, China has formed a complete industrial chain from silicon ore collection to terminal applications. The market size will exceed 10 billion yuan in 2024, with an annual growth rate of over 8%.
In traditional fields, organic silicon materials continue to play a crucial role. In the construction industry, silicone adhesive, as a bonding and sealing material for curtain walls and insulated glass, accounts for over 60% of the market share; In the field of electricity, the use of organic silicon rubber in composite insulators has increased the market share by over 70%, effectively improving the safety of transmission lines. In emerging industries, organic silicon is becoming a "technology catalyst": in the field of new energy vehicles, organic silicone is used for battery pack sealing and high-voltage cable insulation, with an annual demand increase of 25%; In the semiconductor industry, electronic grade vinyl silicone oil is used as a thermal interface material to meet the thermal management needs brought about by the increase in computing power of 5G chips. The global market size is expected to reach 1.2 billion US dollars by 2031.
Technological breakthroughs are the core driving force behind the expansion of organic silicon applications. The ultra-low temperature resistant ethyl silicone oil developed by Xinyuan Chemical (maintaining fluidity at -70 ℃) has been applied in spacecraft lubrication systems; Fluorinated silicone oil improves its chemical corrosion resistance by introducing fluorine atoms, and performs outstandingly in the field of chemical equipment sealing. In addition, bioactive organic silicon, as an essential nutrient for the human body, is being explored for use in 3D printing human tissue scaffolds, demonstrating enormous potential in the medical field.
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