内容概要：预分散母胶粒，也叫预分散橡胶助剂、橡胶助剂母胶粒、母胶粒。是以聚合物（一般是 EPDM、SBR、NBR、EVA）为载体，加橡胶助剂和软化剂，通过特殊工艺将传统预分散橡胶助剂到聚 合物中，得到一定浓度的均匀预分散体（挤出造粒）。预分散橡胶助剂是传统橡胶助剂的升级换代品， 具有无粉尘、易分散、适合自动称量和自动连续低温混炼、提高混炼效率、储存稳定好等优点，日益受 到业内重视，已在橡胶制品中大量应用。我国对橡胶助剂母粒的最早工业化应用是在20世纪90年代初， 直到2017年11月，关于预分散橡胶助剂的标准才由中国橡胶工业协会发布团体标准《预分散橡胶助剂通 用规范》（T/CRIA25001—2017），预分散橡胶助剂行业逐步规范。根据中橡协橡胶助剂专委会对协会 下企业的统计，国内预分散母胶粒产量从2019年的6.2万吨增长至2024年的8.68万吨，年复合增长率达 12.2%。2024年，受汽车、橡胶、轮胎等工业的快速发展影响，预分散母胶粒产量增速达14.7%。受到 主要原材料价格下降影响，2022-2024年，中国预分散母胶粒售价呈下滑态势，以艾克姆为例，2024年 期预分散母胶粒产品售价为2.53万元/ ...

Group 1 - High-quality projects are increasingly seen as a stabilizing force for high-quality development, with Qingdao completing investments of 337.46 billion yuan across 1,073 key construction projects, achieving an investment completion rate of 102.8% by the end of October [1] - The Qingdao virtual reality industry is experiencing a surge in major projects, including the opening of the Qingdao Virtual Reality Innovation Center and the construction of a virtual reality headquarters base [2] - The Qingdao Baixin Intelligent Manufacturing Base, with a total investment of 1 billion yuan, aims to produce servers and computers, potentially generating an annual output value of 2 billion yuan [4] Group 2 - The automotive sector in Qingdao is seeing significant growth, with projects like the FAW Intelligent Forging and Precision Manufacturing project entering mass production [6] - The green energy sector is benefiting from large projects, such as the 10.2 billion yuan offshore photovoltaic project, which is expected to generate approximately 1.07 billion kWh of green electricity annually [9] - Major projects in the modern light industry are also emerging, including a 3 billion yuan project for Nestlé and a new production center for Luckin Coffee [12] Group 3 - New projects are being signed in Qingdao, such as AstraZeneca's increased investment from 450 million USD to 886 million USD over three years, highlighting the city's attractiveness [15] - The life sciences sector is expanding with the construction of a 5 billion yuan marine biomedical technology base by Xiu Zheng Pharmaceutical [17] - The smart home appliance industry is seeing growth with multiple projects, including a 4 billion yuan investment in the Caos Industrial Internet Ecological Park [18] Group 4 - Infrastructure projects are being accelerated to enhance urban living, with new commercial and cultural landmarks under construction, such as the Sam's Club project expected to open in mid-2026 [21] - Transportation projects are progressing, including the completion of the G15 Shenhail Highway expansion, which will improve logistics efficiency for the Dongjiakou Port [25] - Qingdao is focused on high-quality project advancement to stimulate economic and social development, aiming to build an innovative industrial system [26]