Core Viewpoint - The article discusses the recent developments in the production of polyimide (PI) films in China, highlighting the investments and projects by various companies, particularly Inner Mongolia Zhongke Jiuyuan New Materials Technology Co., Ltd., which is expanding its production capacity to meet the growing demand in high-tech applications [2][4][16]. Group 1: Company Developments - Inner Mongolia Zhongke Jiuyuan has initiated a PI film production project with a total investment of 700 million yuan, planning to set up 24 production lines with an annual capacity of 3,000 tons [2]. - The company is a wholly-owned subsidiary of Zhejiang Zhongke Jiuyuan, which has signed a total investment agreement of 2.1 billion yuan for PI film production projects, including an initial phase with 24 production lines and a future phase with an additional 48 lines [4]. - Zhongke Jiuyuan has established nearly 50,000 tons of related production capacity across various provinces including Zhejiang, Anhui, Inner Mongolia, and Shanxi [4]. Group 2: Market Potential and Applications - PI films are recognized for their unique properties such as high mechanical performance, chemical resistance, flexibility, thermal stability, and electrical insulation, making them suitable for applications in flexible circuit boards, displays, and electronic devices [6]. - The demand for PI films is expected to grow significantly, particularly in the emerging 5.5G/6G technology sectors, where PI's dielectric performance can be enhanced through specific formulations [6][16]. - The global market for PI films is currently dominated by foreign companies, with major players holding approximately 80% of the high-end PI film market share [16]. Group 3: Technological Advancements - Recent advancements in domestic PI film production have led to the emergence of several companies capable of breaking the foreign monopoly, with notable examples including Zhuzhou Times New Material Technology, which has developed high-end electronic-grade PI films [8][9]. - Innovations in production processes, such as the introduction of AI algorithms for optimizing film thickness and efficiency, have been reported, enhancing production capabilities and quality [14]. - Research teams are also making strides in developing new materials, including bio-based PI materials and high thermal conductivity composites, indicating a trend towards more sustainable and high-performance products [15][13].

【DT新材料】 获悉，近日，日本 旭化成 向部分客户发出供应调整通知， 拟收 紧其PIMEL系列感光材料供应，此次供应限制主要系AI算力需求快速 增长，导致该公司产能无法及时匹配市场需求所致。 市场更有最新消息称公司 将断供其 液态感光性聚酰亚胺（PSPI）材料（商品名PIMEL）。 鼎龙股份 ，具有 200吨/年显示面板用PSPI，另外 仙桃产业园1000吨PSPI产线投产，PFAS Free PSPI、BPDL产品已完成性能优化、实验线验证阶段，并 送样国内主流面板厂客户G6代线验证。 万润股份 ， OLED用光敏聚酰亚胺（PSPI）已经在下游面板厂实现供应。去年10月， 公司宣布将与京东方材料、德邦科技、业达经发共同出资设立烟台 京东方材料科技有限公司。 八亿时空 表示其 聚酰亚胺（PSPI） 在客户端验证顺利。近日，公司子公司浙江时光新能源有限公司项目环评文件的公示，涉及年产50吨高端光刻胶树脂 (PHS)，200吨光敏聚酰亚胺(PSPI)的生产能力。 PSPI是一种具有光敏性和耐热性双重功能的聚酰亚胺溶液，属于高端聚酰亚胺，是一种在高分子链上兼有亚胺环以及光敏基因的有机材料，在暴露于 光或紫外线时会 ...