我国聚烯烃关键单体合成技术取得重大突破

Core Insights - Dalian University of Technology's research team, led by Professor Liang Changhai, has achieved a significant technological breakthrough by successfully producing qualified 4-methyl-1-pentene (4M1P) using a pilot-scale propylene dimerization test facility in collaboration with Sinopec Zhenhai Refining & Chemical [1][2] Group 1: Technological Breakthrough - The successful production of 4M1P marks a major milestone in the synthesis of high-end specialty monomers in China [1] - The research team developed an efficient catalyst and optimized the process, achieving a product purity of 99.3%, surpassing imported counterparts [1] Group 2: Applications and Market Impact - 4M1P is a crucial branched α-olefin that can be polymerized into poly-4-methyl-1-pentene (PMP) or used as a co-monomer for high-quality linear low-density polyethylene (LLDPE), enhancing its toughness and optical properties [2] - PMP, known for being the lowest density thermoplastic resin, has broad application prospects in electronics, optics, high-end medical devices, and specialty packaging [2] - The breakthrough reduces reliance on imports for core materials in high-end medical equipment and provides reliable domestic high-performance material options for strategic emerging industries such as 5G communications and flexible electronics [2]