新升级包装还在顾客用餐体验方面实现升级。据了解，麦当劳的新冷饮杯盖使用"双拱形防溢"结构，通 过抬高透气孔、保留直饮口，让防漏性能得到提升。此外，升级后的全品类包装材料均通过第三方权威 检测，各项指标符合国家食品安全标准。 2007年，麦当劳中国率先使用纸袋作为外带包装；2010年，麦旋风改为纸杯包装；2020年，免吸管杯盖 覆盖中国内地所有麦当劳餐厅，每年减少约400吨塑料用量。 编辑 王琳 校对 张彦君 新京报讯（记者王萍）12月20日，新京报记者从麦当劳中国方面获悉，全国超7500家麦当劳餐厅将陆续 启用生物基新包装。升级后，麦当劳主要包装材料为聚乳酸（PLA）及纸材，预计每年减少石油基塑料 使用量超5800吨。 即日起，全国麦当劳餐厅开始陆续启用全新生物基包装——麦咖啡包装及饮料、新地、玉米、粥等的包 装杯盖将使用PLA材料。同时，部分包装（饮料、新地、玉米等的包装杯身）也将由石油基塑料切换为 纸质包材。麦当劳中国首席影响官顾磊表示，麦当劳中国实现生物基包装的规模化应用，进一步推动客 用包装材料向可再生资源转型，这一创新填补了麦当劳全球相关领域空白。 ...

Core Insights - The BioButterfly project, a collaboration between Michelin, IFPEN, and Axens, has made significant progress in developing bio-based butadiene from bioethanol, with commercialization expected by 2026 [1] Group 1: Project Development - The technology has entered a critical pre-commercialization phase, with industrial demonstration unit operations starting in July 2023 [1] - The technology can stably utilize both first and second-generation bioethanol to produce bio-based butadiene, showing excellent carbon footprint performance [1] - The project results have been rigorously validated, and the produced bio-based butadiene has been successfully used in the synthesis of styrene-butadiene rubber and polybutadiene rubber, meeting high-end industrial application standards [1] Group 2: Industry Impact - The BioButterfly project represents the most advanced technology for producing bio-based butadiene from bioethanol, with the research and development phase nearing completion [1] - The project is supported by the French Ecological Transition Agency, the New Aquitaine region, and the Bordeaux metropolitan area, marking a significant breakthrough in the application of renewable resources in the synthetic rubber industry [1] - The initiative is expected to accelerate the global elastomer industry’s transition towards sustainability [1]

Core Insights - Agricultural waste, specifically straw, is being transformed into valuable resources through innovative research, particularly in the development of biodegradable agricultural films and renewable aviation fuel [1][2] Group 1: Biodegradable Agricultural Films - The biodegradable agricultural film made from straw is a promising renewable resource that can replace traditional polyethylene films, significantly reducing environmental pollution from plastic products [1] - The cost of straw-based biodegradable film is approximately 10,000 yuan per ton, which is 20% to 30% lower than the market price of conventional biodegradable films [1] - Current field demonstrations of this biodegradable film are taking place in provinces such as Yunnan, with a complete degradation time of about two months, although further adjustments are needed for different crops and environmental conditions before large-scale promotion [1] Group 2: Renewable Aviation Fuel - The research team is also exploring the production of renewable aviation fuel from straw, providing a zero-carbon alternative for the aviation industry [2] - The team has successfully reduced the number of operational units and energy requirements, significantly lowering fixed and operational costs while achieving high yields of renewable aviation fuel [2] - A pilot-scale facility has been designed and built, with all performance indicators meeting design requirements, and the next step is to accelerate the industrialization of this technology to replace fossil fuels in the aviation sector [2]

Investment Rating - The report maintains a rating of "Overweight" for the FDCA industry [7] Core Insights - FDCA is a high-value bio-based compound with a wide range of applications, particularly in the production of PEF, which has significant market potential [1][3][5] - The global FDCA market is expected to grow at a compound annual growth rate (CAGR) of 8.9% from 2021 to 2028, potentially reaching USD 873.28 million by 2028 [3] - PEF, derived from FDCA, exhibits superior properties compared to PET, making it a promising alternative in various applications [4][5] Summary by Sections FDCA Overview - FDCA is a bio-based aromatic monomer derived from biomass such as starch and cellulose, recognized as a suitable substitute for terephthalic acid [1][14] - The synthesis routes for FDCA include chemical and biological methods, with the HMF route being the most promising for industrialization [1][26][27] Domestic and International Development - Internationally, several companies have achieved FDCA production since 2004, while domestic efforts began around 2010 and are rapidly advancing [2][45][56] - Notable international players include Avantium, Corbion Purac, and DuPont, which have made significant strides in FDCA and PEF research and production [45][46][48] Market Potential and Applications - The FDCA market is projected to exceed USD 1.13 billion by 2031, driven by increasing demand for bio-based products [3] - PEF's applications span food packaging, films, and fibers, with its oxygen and carbon dioxide barrier properties significantly outperforming PET [4][18][19] Investment Recommendations - The report suggests focusing on companies involved in FDCA production, such as Tongkun Co., New Fengming, and Zhenhai Refining & Chemical [5][58][60]