生物基乙烯

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橡胶巨头,又一生物基丁二烯工厂布局!
合成生物学与绿色生物制造· 2025-06-19 14:06
Core Viewpoint - The article highlights the significant advancements in the production of bio-based rubber and its key components, particularly focusing on the initiatives by major companies in Japan, the US, and Europe to transition towards sustainable materials in the rubber industry [1][2][3]. Group 1: Company Initiatives - Zeon Corporation is establishing a research plant to produce butadiene and isoprene directly from plant materials, aligning with its strategic goal of achieving carbon neutrality and a circular economy [1]. - Goodyear has partnered with VISOLIS to produce bio-based isoprene, while Arlanxeo has developed bio-based ethylene from sugarcane waste, achieving a 70% bio-based raw material ratio in their products [3][4]. - Michelin is opening its first industrial-scale bio-based butadiene production demonstration plant, aiming to commercialize the use of plant materials for butadiene production [7]. Group 2: Industry Trends - The global tire industry faces challenges with over 1 billion waste tires, with 6 million tons of tire wear particles contributing to marine plastic pollution [1]. - Developed countries, including the US, Japan, and Europe, are proactively planning the development of bio-based rubber as a substitute for natural rubber due to environmental pressures [2]. - The establishment of a 110,000-ton bio-based degradable polyester rubber project in Jiangsu, China, marks a significant step in the original rubber material sector, with a total investment of 1 billion yuan [10]. Group 3: Technological Developments - Beijing University of Chemical Technology has successfully developed a new generation of high-performance functionalized bio-based polyester-butadiene rubber, showing potential applications in green tire materials and other sectors [5]. - The research team at Beijing University has also created the world's first degradable polyester rubber and the first batch of degradable tires, indicating advancements in sustainable material technology [8].
可乐丽,又一个全球首个!
DT新材料· 2025-06-10 16:29
Core Viewpoint - Kuraray, a Japanese chemical giant, announced the global launch of its 100% bio-based ethylene-vinyl alcohol copolymer (EVOH) product "Circular Eval" by 2025, marking a significant breakthrough in sustainable EVOH materials [1] Group 1: EVOH Overview - Ethylene-vinyl alcohol copolymer (EVOH) is produced through the polymerization and saponification of ethylene and vinyl acetate monomer (VAM), known for its excellent gas barrier properties [2] - The market price of EVOH is approximately 45 yuan per kilogram, primarily used in high-end packaging applications such as food and pharmaceutical packaging, multi-layer composite bottles, automotive fuel tanks, and underfloor heating pipes [3] Group 2: Market Dynamics - Global EVOH production capacity is projected to reach 214,500 tons per year in 2024, with China accounting for only 42,500 tons, indicating a high operating rate and a supply-demand imbalance [5] - Sinopec's Chuanwei completed the commissioning of a 12,000 tons/year industrial facility in mid-2024, filling a significant supply gap for EVOH in mainland China [6] - China primarily relies on imports for EVOH, mainly from Japan, and despite the acceleration of domestic industrial facility construction, it still cannot meet the domestic market demand [7] Group 3: Bio-based EVOH Development - Traditional EVOH relies on petroleum-based ethylene, while Kuraray's new bio-based EVOH uses renewable raw materials from plants, maintaining the same barrier performance while reducing carbon footprint [8] - The core of industrialization for bio-based EVOH lies in addressing the scalability and economic viability of bio-based ethylene production [9] Group 4: Bio-based Ethylene Insights - Bio-based ethylene represents a new pathway for ethylene production, derived from renewable biomass resources such as crop residues and wood cellulose, through advanced biotechnological and chemical conversion processes [10] - Compared to petroleum-based ethylene, bio-based ethylene significantly reduces dependence on fossil fuels and lowers carbon dioxide emissions, offering notable environmental advantages [11] Group 5: Technological Pathways - Various synthesis methods for bio-based ethylene include dehydration of bioethanol, dehydration of biopropanol, methanol-to-olefins (MTO), and Fischer-Tropsch synthesis, each facing technological and cost challenges [13] - The predominant method currently is the dehydration of bioethanol, which needs to address issues related to non-food source preparation and scalability [14] Group 6: Future Outlook - With advancements in technology and application expansion, the bio-based ethylene sector is expected to experience rapid growth, driving the development of a series of downstream high-value materials [15]
扩产至27.5万吨!化工巨头加码,中石化、陶氏已入局
DT新材料· 2025-05-13 15:14
Core Viewpoint - The article highlights the growing significance of bio-based ethylene in the chemical industry, emphasizing its role in sustainable development and the increasing production capacities of major companies like Braskem and Sinopec [1][2]. Group 1: Company Developments - Braskem celebrates the 15th anniversary of its bio-based polyethylene brand "I'm green™" and announces an increase in production capacity at its bio-ethylene plant in Triunfo, Brazil, from 260,000 tons to 275,000 tons [1]. - Since the launch of its bio-based PE in 2010, Braskem has produced over 1.2 million tons of bio-based PE and has invested $87 million to expand its bio-ethylene plant capacity from 200,000 tons to 260,000 tons in 2023 [2]. - Sinopec has successfully launched its first bio-based polyolefin product in China, with an initial production of 2,500 tons from its bio-based polyolefin project that started in October 2023 [3]. Group 2: Industry Trends - Bio-based ethylene is becoming a focal point for major chemical companies like Braskem, BASF, and New Energy Blue, driven by the trend towards low-carbon sustainability [2]. - The synthesis technology routes for bio-based ethylene include fermentation, thermochemical conversion, enzymatic catalysis, and microbial synthesis, with various companies employing different methods [4]. - The price of bio-ethanol, primarily produced from non-food biomass, is crucial for the competitiveness of bio-based ethylene in the domestic market, with estimates suggesting a target price of 4,000 yuan per ton or lower [5]. Group 3: Technological Insights - The main synthesis route for bio-based ethylene is ethanol dehydration, which is influenced by the cost of bio-ethanol [5]. - Different technological routes for bio-based ethylene production have varying levels of maturity and advantages, such as sugar fermentation being highly mature but reliant on food crops, while cellulose fermentation shows potential for reduced resource competition [6].