湖南石化本部的SBC装置区 湖南石化是我国最早实现SBC弹性体工业化生产的企业，上世纪80年代建成投产国内领先的万吨级 SBS(苯乙烯—丁二烯—苯乙烯嵌段共聚物)工业化装置；2006年建成投产国内领先的万吨级SEBS(氢化 苯乙烯—丁二烯—苯乙烯嵌段共聚物)工业化装置，打破国外技术垄断；2017年建成投产国内领先的年 产2万吨SEPS(氢化苯乙烯—异戊二烯共聚物)工业化装置，成为全球第三家采用具有自主知识产权核心 技术工业化生产SEPS的企业。该公司自主研发的SBS及SEBS成套技术分别获国家科学技术进步奖一等 奖、二等奖，增强了我国在高端合成橡胶领域的核心竞争力。 近年来，依托中国石化一体化、市场区位、技术及原料供应优势，结合市场形势变化，湖南石化先后与 海南炼化和上海石化合作，共同出资建设年产17万吨和25万吨SBC弹性体项目，优化合成材料发展布 局，通过"走出去"，到有原料、有市场的地区发展优势产品，进一步增强了企业核心竞争力。这两个项 目均采用中国石化自主知识产权的成套工艺技术，在环境保护、能耗控制和生产效率方面均显著优于传 统技术路线。 2023年4月，海南巴陵化工新材料公司建成投产SBC弹性体装置 ...

Core Insights - The Shanghai Jinshan Baling New Materials Company, a joint investment by Hunan Petrochemical and Shanghai Petrochemical, has successfully completed its annual production capacity of 250,000 tons of SBC (Styrene Block Copolymer) and achieved a successful initial operation, marking a new breakthrough in Sinopec's supply capacity in the high-end new materials sector [1] Group 1: Company Achievements - Hunan Petrochemical has become the largest SBC elastomer manufacturer globally, with a total annual production capacity of 800,000 tons across its main plant and two joint ventures [1] - The main plant of Hunan Petrochemical has an annual SBC elastomer production capacity of 380,000 tons, while the Hainan Baling New Materials Company has a capacity of 170,000 tons, and the newly established Shanghai Jinshan Baling New Materials Company has a capacity of 250,000 tons [1][2] Group 2: Historical Context - Hunan Petrochemical was one of the first companies in China to industrialize SBC elastomer production, establishing the first 10,000-ton SBS industrial production unit in the 1980s [2] - The company has broken foreign technology monopolies by building the first 10,000-ton SEBS industrial production unit in 2006 and the first 20,000-ton SEPS industrial production unit in 2017 [2] Group 3: Recent Developments - In 2023, the Hainan Baling Chemical New Materials Company launched its SBC elastomer unit, with SBS production capacity of 120,000 tons and SEBS capacity of 50,000 tons [3] - The newly established Shanghai Jinshan Baling New Materials Company produces three types of SBC elastomers, with SBS capacity of 140,000 tons, SEBS capacity of 50,000 tons, and SIS (Styrene-Isoprene-Styrene) capacity of 60,000 tons [3] Group 4: Production and Market Performance - From January to October 2023, Hunan Petrochemical's rubber division produced nearly 270,000 tons of SBC elastomer series products, achieving a 19% year-on-year increase in sales of new specialty products [3] - The Hainan Baling New Materials Company has produced over 300,000 tons since its establishment, with an average operating rate of 110%, significantly higher than the industry average [3] Group 5: Product Characteristics and Applications - SBC elastomers are new polymer materials that combine the processing convenience of plastics with the high elasticity of rubber, featuring green safety, easy processing, and recyclability [3] - Applications of SBC elastomers include high-value sectors such as infant products, medical devices, 5G optical cable reinforcement, and environmentally friendly synthetic leather, with some medical-grade products suitable for human implantation [3]