国内首个！中石化、中石油、金发科技，三大突破

Group 1 - The article highlights significant breakthroughs in the domestic production of chemical new materials, showcasing advancements in various sectors such as carbon fiber, optical films, and polymer materials [2][3] - Wuhan University of Technology has successfully developed a complete industrial chain for high-performance large-tow carbon fiber, establishing a self-controlled technology system and application ecosystem [2] - Kanghui New Materials has achieved international standards in the production process of polarizer protective base films, marking a qualitative leap in key quality indicators such as temperature resistance and defect rate [2] - Plit has announced the large-scale production of its LCP film products, which are now being supplied in bulk [2] - Wanrun Co., Ltd. has initiated trial production of its polyether imide (PEI) product with an annual capacity of 1,500 tons [2] Group 2 - Sinopec has made a critical breakthrough in the synthesis of 4-methyl-1-pentene (4M1P), achieving an average purity of over 98%, which is essential for manufacturing ECMO membrane materials [3] - This breakthrough is expected to reduce reliance on imports and provide high-performance material options for emerging industries such as 5G communications and flexible electronics [3] - China National Petroleum Corporation (CNPC) has made significant progress in the adaptive transformation project for domestic POE (polyolefin elastomer), aiming to produce nearly 60,000 tons by 2025, breaking foreign technical monopolies [5][6] - POE is widely used in photovoltaic components and automotive lightweight parts, with China being the largest consumer market for POE, despite a 95% import dependency as of last year [6] - Jinfa Technology has launched a pilot production line for special aromatic olefin polymers, with plans for a 10,000-ton industrialization project by 2028 [8] - The company has also successfully started a production line for thermoplastic polyimide (TPI), achieving a breakthrough in domestic production [8]