3 6 Ke·2025-12-23 07:33Core Viewpoint - China's advancements in high-end carbon fiber technology have transformed the country from being dependent on foreign suppliers to becoming a major player in the global market, now holding half of the world's production capacity [1][19]. Group 1: Historical Context - Carbon fiber is described as crucial as semiconductors, with properties that make it significantly lighter and stronger than steel, and capable of withstanding extreme temperatures [1][2]. - Historically, China faced significant challenges in carbon fiber production due to export restrictions imposed by Japan and the U.S., which dominated the market [3][4]. - The need for high-performance carbon fiber became critical during the development of China's domestic aircraft and defense projects, leading to a call for domestic production capabilities [3][5]. Group 2: Research and Development - The Shanxi Coal Chemical Research Institute, established in 1954, was tasked with developing aerospace-grade carbon fiber, despite initial doubts about their capability to meet the complex production requirements [4][6]. - The institute adopted an innovative "intermittent polymerization method" instead of the mainstream "continuous polymerization method," allowing for better control and quicker adjustments during the research process [7][9]. - Collaborative efforts among various research institutions were crucial, with multiple organizations contributing to the development of necessary materials and processes [9][10]. Group 3: Production Milestones - By June 2008, the Shanxi Coal Chemical Research Institute successfully achieved stable mass production of T300 carbon fiber, marking a significant milestone in breaking foreign technological monopolies [11][12]. - The production of T300 was seen as just the beginning, with ongoing efforts to develop higher-grade carbon fibers like T700, T800, and T1000 [12][18]. - The T1000 carbon fiber, representing the highest performance level, requires advanced manufacturing techniques, which posed significant challenges for large-scale production [15][17]. Group 4: Industry Collaboration and Future Prospects - The collaboration with Huayang Group, a major state-owned enterprise, aimed to leverage financial resources and industrial experience to enhance carbon fiber production capabilities [13][14]. - The establishment of a high-performance carbon fiber production base in Datong City is a strategic move to further develop the industry and meet national defense needs [14][18]. - Recent advancements have positioned China among the international leaders in high-performance carbon fiber technology, ensuring a stable supply for critical applications in aerospace and defense [17][18].