让退役风电叶片不再"无处安放" 基于独特性能，团队通过简单热压印工艺，成功制备出超疏水、高导热复合涂层——水接触角接近150 度，添加氮化硼填料后导热系数显著提升，可解决5G基站、高性能芯片的散热痛点，为"双碳"目标下 高端材料产业升级提供支撑。在风电领域，可回收特性有望破解退役叶片处理难题;在航空航天、新能 源汽车领域，其高强韧、耐高温优势可助力装备轻量化升级，同时为高端环氧树脂国产化替代提供广阔 空间。 中化新网讯 近日，天津大学化工学院汪怀远教授团队研发出兼具耐高温、高强韧与可回收特性的新型 环氧树脂。这一新材料突破了传统环氧树脂一次固化即永久定型、难以加工重塑的局限，能有效缓解资 源浪费和环境污染，为环氧树脂高端化绿色化应用提供了新的解决方案。 目前，研究团队已经为这项技术申请了多项专利，并开始探索产业化路径。未来，随着技术落地，各类 高端制造产品将有望因这种"绿色高强"新材料实现更耐用、更环保的升级跨越。 环氧树脂是航空航天、新能源、电子封装等战略领域的核心材料，全球市场规模超130亿美元。传统环 氧树脂固化后形成三维网络结构，高强度、高耐热性与韧性、可加工性始终难以兼顾——增韧需牺牲耐 热性，而提 ...

Core Viewpoint - Epoxy resin, often referred to as the "invisible backbone" of modern industry, is widely used in high-end applications such as mobile circuit board encapsulation, wind turbine blade support, and aircraft body reinforcement, but it faces challenges in balancing high strength, heat resistance, toughness, and processability, known as the "seesaw dilemma" [1][2][4]. Group 1: Industry Challenges - The global market for epoxy resin has exceeded $13 billion, driven by its excellent adhesion, mechanical strength, and chemical resistance [4]. - The "seesaw dilemma" and environmental issues arise from the molecular structure of epoxy resin, which leads to significant waste, particularly in the wind energy sector, where approximately 5,800 tons of epoxy resin composite materials become waste annually due to decommissioned wind turbine blades [5][6]. Group 2: Innovative Solutions - A research team led by Professor Wang Huaiyuan has developed a new type of epoxy resin that combines high-temperature resistance, high toughness, and recyclability, providing a solution for the green transformation of high-end materials [2][12]. - The new epoxy resin achieves a strength of 78 MPa and a glass transition temperature exceeding 245°C, allowing it to withstand pressures equivalent to 1.5 adult buffaloes and improving heat resistance by approximately 15% compared to existing high-end products [12][13]. Group 3: Environmental Impact and Applications - The new epoxy resin features self-healing capabilities and recyclability, allowing for multiple reprocessing and physical recycling with performance degradation of no more than 10%, breaking the limitations of traditional epoxy resins that are permanently set after curing [13][14]. - This innovation has broad application prospects, including the production of superhydrophobic, high thermal conductivity coatings that can significantly reduce the operating temperature of chips by 15-20°C, addressing heat dissipation issues in 5G base stations and high-performance chips [14].

Economic Development - The "14th Five-Year Plan" aims to expand domestic demand, stabilize investment, reduce costs, promote innovation, and maintain foreign investment, driving high-quality economic development [1] Consumer Market - A new round of "national subsidies" for replacing old consumer goods has been officially implemented, enhancing the consumption market and improving the quality of life for citizens [2][4] - Various regions are hosting promotional activities to ensure the timely implementation of policy benefits, aiming for a strong start in the consumption market [4] Foreign Trade - The establishment of a robust trade connectivity framework is set to support stable growth and quality improvement in foreign trade throughout the year, showcasing China's resilience and openness [5] Infrastructure Development - Major engineering projects across the country are advancing rapidly, focusing on high-quality development goals to strengthen the foundation for economic growth [10] - Significant progress has been made in key infrastructure projects, such as the completion of the longest tunnel in the Lanzhou to Hezuo railway [12] and the opening of the Jiangxi Zhangshu to Ji'an expressway expansion project [14] Technological Innovation - New technological achievements are emerging, laying a solid foundation for cultivating new productive forces [17] - The successful long-duration test of a 240-ton reusable rocket engine by China Aerospace Science and Technology Corporation marks a significant advancement in commercial space technology [19] Manufacturing Sector - Enterprises are ramping up production and fulfilling orders, leveraging self-developed technologies to enhance product competitiveness, striving for a strong start in the new year [20] Tourism Industry - The ice and snow tourism sector is continuously innovating, unlocking new experiences and generating strong demand from "cold resources" [25]

天津大学化工学院汪怀远教授团队通过分子结构设计创新，成功研发出一种兼具耐高温、高强韧性和可 回收特性的新型环氧树脂，破解了该材料长期困扰行业的性能"跷跷板困境"。相关研究成果近日发表在 国际期刊《先进材料》上。 环氧树脂因其优异的粘接性能、机械强度和耐化学腐蚀性，被广泛应用于航空航天、新能源、电子封装 等战略性领域，是现代高端制造中不可或缺的关键材料，被称为现代工业的"隐形骨架"，全球市场规模 已超过130亿美元。在我国，环氧树脂还是风电叶片制造的重要基材。然而，随着风电设备逐步进入退 役期，每年约有5800吨环氧树脂复合材料废弃物产生，目前主要依赖填埋或焚烧处理，不仅造成资源浪 费，也带来环境压力。 "我们首次在如此高性能的热固性环氧树脂中实现了形状可编程及化学降解。"汪怀远表示，"实验表 明，这种材料可以多次再加工和物理回收，而性能下降不超过10%。"这打破了传统环氧树脂"一次固化 即永久定型"的局限。 基于独特性能，团队通过简单热压印工艺，成功制备出超疏水、高导热复合涂层——水接触角接近150 度，添加氮化硼填料后导热系数显著提升，可解决5G基站、高性能芯片的散热痛点，为"双碳"目标下 高端材料产业升级 ...

作者：刘润芝、王馨琪 素材支持：天津大学 新华社音视频部制作 环氧树脂材料普遍应用于工程装备、航空航天、电子电器等领域，是现代工业的"隐形骨架"。天津大学 化工学院教授汪怀远表示，多种高端制造产品将有望因这种新材料，实现更耐用、更环保的升级跨越， 推动新材料产业绿色转型。 0:00 近日，天津大学科研团队研发出兼具耐高温、高强韧与可回收特性的新型环氧树脂，这一新材料突破了 传统环氧树脂一次固化即永久定型、难以加工重塑的局限，能有效缓解资源浪费和环境污染，该成果以 论文形式发表在国际期刊《先进材料》上。 ...

基于独特性能，团队通过简单热压印工艺，成功制备出超疏水、高导热复合涂层——水接触角接近150 度，添加氮化硼填料后导热系数显著提升，可解决5G基站、高性能芯片的散热痛点，为"双碳"目标下 高端材料产业升级提供支撑。 研究团队从分子设计源头入手，在传统环氧树脂的刚性网络中巧妙地植入了可逆的"酸碱离子对"。这些 离子对在材料中既是吸收冲击能量的"微型减震器"，又是能在高温下启动键位重组的"智能催化剂"。这 种设计使新材料在保持超高强度和耐热性的同时，断裂韧性达到了8.2兆焦耳每立方米。相比市售高端 环氧树脂材料，新材料的耐热性提高了约15%，而断裂韧性则提升了近3倍。在保持这些优异性能的同 时，新材料还具备传统环氧树脂所缺乏的自修复能力和可回收性。 "我们首次在如此高性能的热固性环氧树脂中实现了形状可编程及化学降解。"汪怀远表示，"实验表 明，这种材料可以多次再加工和物理回收，而性能下降不超过10%。"这打破了传统环氧树脂"一次固化 即永久定型"的局限。 记者26日从天津大学获悉，该校化工学院汪怀远教授团队通过分子结构设计创新，成功研发出一种兼具 耐高温、高强韧性和可回收特性的新型环氧树脂，破解了该材料长期困扰行 ...