第11届生物基大会将举办 「 第二届生物基CASE创新应用论坛 」 ，聚焦 涂料、胶粘剂、密封体、弹性体 等领域的生物基材料创新。聚氨酯作为CA SE领域的重要材料，其生物基新产品开发、回收与循环再生技术的突破，将为论坛提供重要的产业化实践案例，推动生物基材料产业的可持续发展。 【 生物基能源与材料 】 获 悉，近日， 西安交通大学张立群院士、陈飞特聘研究员团队 在材料领域顶刊《Advanced Materials》（IF 26.8）发表综 述论文， 系统阐述了聚氨酯（PU）热固性塑料的回收与升级再造技术路径。 关键词| 生物基科技 | 张立群院士、聚氨酯 文章指出，通过物理、化学及生物降解等多种技术路径，并结合可逆共价键与非共价键的智能材料设计，有望将废弃的聚氨酯热固性塑料转化为具有更 高附加值的新产品，从而实现从"线性消耗"向"循环再生"的根本转变，为塑料的可持续生命周期管理提供了创新解决方案。 01 千亿美元市场的"不可回收"困局 聚氨酯作为 全球第六大塑料 品种，2024年全球市场规模已达 832亿美元 ，预计2029年将突破 1080亿美元 。这种多功能高分子材料广泛应用于绝 缘、弹性体、粘合剂、涂 ...

项目负责人为国家重点研发计划专家、中国高被引学者，团队在二氧化碳资源化利用领域深耕多 年，已发表SCI论文500余篇，获授权国内外发明专利160余件，技术积累深厚。 市场分析指出，聚氨酯和聚氯乙烯分别是全球第五大和第三大高分子材料，市场规模巨大。该技术 有望以优越的性能和成本优势，对相关行业产生深远影响，预计替代市场直接产值规模巨大，兼具显著 的经济效益与社会效益。 与会专家认为，该成果为工业碳中和提供了"变废为宝"的创新路径，对河南构建绿色低碳循环产业 体系、培育新材料领域新质生产力具有积极推动作用。 在2025年12月17日至18日于郑州举行的第十四届河南开发区创新生态共建大会路演中，一项"工业 废气二氧化碳合成聚碳酸酯二（多）元醇"技术引发关注。该项目由河南省科学院化学研究所研发，旨 在将工业排放的二氧化碳转化为高端化工原料，实现碳资源的高效、高值化利用。 该项目模仿自然界光合作用原理，通过自主研发的高效高选择性催化剂，在近室温、低压条件下， 将二氧化碳与环氧化物合成聚碳酸酯二元醇。该产品是合成高端聚氨酯（PU）的关键原料，具有强度 高、耐水解、耐候性强、可生物降解等优异特性，广泛应用于医疗器械、海洋防 ...

Core Viewpoint - The article discusses an innovative method for chemically recycling mixed plastic waste into valuable chemical products, addressing the environmental challenges posed by plastic waste [2][3]. Group 1: Research Overview - The research, published in Nature, presents a strategy to convert eight common types of plastic waste into their original chemical components or other valuable compounds [3][10]. - The method focuses on identifying functional groups in mixed plastic waste to facilitate the separation and conversion of these materials into useful products [5][8]. Group 2: Methodology - The research team developed a solid-state NMR method to accurately identify the types of plastics present in the mixed waste, which is crucial for the subsequent processing steps [5][6]. - By using selective solvents, the team was able to dissolve and separate specific plastics from the mixed waste, followed by catalytic processes to convert these plastics into valuable products [6][7]. Group 3: Results and Innovations - The study successfully demonstrated the feasibility of the proposed strategy using a real-life plastic mixture, yielding various chemical substances such as benzoic acid, plasticizers, and hydrocarbons [7][8]. - The key innovation lies in the universal strategy designed to tackle the challenge of chemical recycling of mixed plastics, allowing for adjustments in chemical steps based on the initial identification of major components [8][10].

Core Insights - The report by Nova Institute highlights the significant growth potential of the biobased polymer industry, with a projected compound annual growth rate (CAGR) of 13% from 2024 to 2029 [2] - Biodegradable biobased polymers are expected to grow at a CAGR of 17%, while non-biodegradable biobased polymers will see a more moderate growth rate of 10% [2] - Asia and North America are set to dominate the global biobased polymer supply, collectively accounting for over 80% of the market by 2029, while Europe’s market share is projected to decline from 13% to 10% [2] Market Growth Potential - The biobased polymer market is anticipated to perform well in 2024, with strong growth expected in the coming years [2] - The average capacity utilization for biodegradable biobased polymers is currently at 65%, indicating significant room for capacity expansion and market development [2] - Non-biodegradable biobased polymers have a high capacity utilization rate of 90%, reflecting strong market demand [2] Product Differentiation - In 2024, a total of 4.2 million tons of biobased polymers are expected to be produced, with cellulose acetate (CA) and epoxy resins leading the market, accounting for 26% and 32% of total production, respectively [3] - 100% biobased PLA is widely used in packaging and medical applications, representing 8% of the total production [3] - The production capacity growth from 2023 to 2024 is primarily driven by the expansion of PLA and epoxy resin capacities in Asia, along with increased polyurethane production globally [3] Industry Challenges and Responses - Global brands are key drivers in the biobased polymer market, actively shifting strategies towards sustainable and climate-friendly solutions [4] - Europe faces significant challenges due to a lack of cohesive policy frameworks, which hampers the full realization of biobased polymers' advantages [4] - The industry also contends with technical bottlenecks and high production costs, making it difficult to compete with traditional fossil-based polymers [4] Future Outlook - The biobased polymer industry is poised for unprecedented growth opportunities, particularly led by Asia's capacity expansion and technological innovations [5] - With ongoing technological advancements, improved policies, and sustained market demand, biobased polymers are expected to capture a larger market share in the future [5] - Collaboration among regions is essential to overcome industry development bottlenecks and elevate the biobased polymer sector to new heights [5]