Core Viewpoint - The research team led by Professor Liang Changhai from Dalian University of Technology has achieved a significant technological breakthrough in the synthesis of high-end specialty monomers by successfully producing qualified 4-methyl-1-pentene (4M1P) with a purity of 99.3%, surpassing imported counterparts [1]. Group 1 - 4-methyl-1-pentene (4M1P) is a key monomer for synthesizing poly-4-methyl-1-pentene (PMP), which is essential for manufacturing ECMO membrane materials [3]. - ECMO (Extracorporeal Membrane Oxygenation) is a life support technology known as "artificial lung," regarded as a "lifesaving device" for critically ill patients [3].

Core Insights - The research team led by Professor Liang Changhai from Dalian University of Technology has successfully produced qualified 4-methyl-1-pentene (4M1P) with a purity of 99.3% in collaboration with Sinopec Zhenhai Refining & Chemical Company, marking a significant technological breakthrough in the synthesis of high-end specialty monomers in China [1] Group 1: Product Development - The successful production of 4M1P is a key milestone as it is essential for synthesizing poly-4-methyl-1-pentene (PMP), which is a core material for manufacturing ECMO membrane oxygenators [1] - ECMO (Extracorporeal Membrane Oxygenation) is a life support technology often referred to as an "artificial lung," recognized as a "lifesaving device" for critically ill patients [1] Group 2: Industry Impact - This achievement indicates China's advancement in the field of high-end specialty monomer synthesis, potentially reducing reliance on imported similar products [1]

2018年初，梁长海教授领衔的科研团队与中石化镇海炼化携手开展系统攻关，从实验室间歇反应釜小试 起步，逐步完成连续反应釜工艺放大，最终建成百吨级中试装置，走通从基础研究到工程转化的完整路 径。 当前，4M1P主要通过丙烯二聚反应制备，该反应为强放热过程，产物分布复杂，反应自发程度高。为 实现丙烯向目标产物4M1P的高效、定向转化，关键取决于催化剂与工艺条件的精准调控。 目前，全球4M1P产能高度集中于国外少数企业，形成垄断格局。此次技术突破不仅为我国高端医疗装 备（如ECMO"人工肺"）核心材料摆脱进口依赖奠定了关键基础，也为5G通信、柔性电子等战略性新兴 产业提供了可靠的国产高性能材料选项。 研究团队克服了催化剂从克级到公斤级放大的制备难题、物料安全转运以及工艺设备匹配等一系列挑 战，历经数年持续研发，通过大量实验与优化，成功开发出高效催化剂，实现从17种可能反应路径中选 择性合成4M1P，最终产出产品纯度高达99.3%，关键指标优于进口同类产品，实现了高质量国产化替 代。 大连理工大学发布消息，近日，该校化工学院梁长海教授领衔的科研团队与中国石化镇海炼化合作攻 关，在百吨级丙烯二聚试验装置上首次成功产出合 ...