摘要
发泡聚丙烯(EPP)发泡珠粒集轻量化、高强度和环保性于一体,压缩强度达1.5 MPa(超传统泡沫3倍),兼具抗菌(潮湿环境霉菌覆盖率仅5%)、绝缘(介电常数1.8~2.2)及尺寸稳定性(温变线性变形率<0.1%)等特性,广泛应用于汽车、包装、电子等领域。其核心技术依托超临界流体发泡工艺,通过熔体改性、气体扩散调控实现微孔结构优化。全球市场持续扩张,预计2023~2033年市场规模从11亿美元增至32.7亿美元(年复合增长率11.5%),亚太地区占比超40%,中国成为增长引擎。无锡会通等企业突破技术垄断,2024年国内产能达10万吨,占38%市场份额。环保政策与新能源汽车、冷链物流等新兴产业驱动EPP替代传统材料,但面临技术壁垒、高成本和市场认知度不足等挑战。未来需通过技术创新与产业链协同,推动其在绿色制造中发挥更大价值。
EPP(expanded polypropylene)foam beads integrate lightweight properties,high strength,and environmental sustainability,exhibiting a compressive strength of 1.5 MPa(3×higher than traditional foams),alongside antibacterial performance(5%mold coverage in humid environments),insulation(dielectric constant 1.8~2.2),and dimensional stability(linear deformation rate<0.1%under temperature variations).Thus,EPP can be widely applied in automotive,packaging,and electronics industries.The core technology of EPP relies on supercritical fluid foaming processes,optimizing microcellular structures through melt modification and gas diffusion control.The global market is expanding rapidly,projected to grow from 1.1 billion in 2023 to 3.27 billion by 2033(CAGR 11.5%),with the Asia-Pacific region accounting for over 40%of demand,driven by China.Domestic enterprises like HTEC have broken foreign monopolies,achieving a 100,000-ton annual production capacity in 2024 and capturing 38%of the domestic market share.Supported by environmental policies and emerging industries(e.g.,new energy vehicles,cold chain logistics),EPP is replacing traditional materials,though challenges persist in technical barriers,high costs,and limited market awareness.Future advancements in innovation and industrial collaboration will amplify its role in green manufacturing.
作者
倪忠斌
施冬健
Ni Zhongbin;Shi Dongjian(School of Chemical and Material Engineering,Jiangnan University,Wuxi 214100,China)
出处
《广东化工》
2025年第10期57-59,共3页
Guangdong Chemical Industry
关键词
EPP
超临界发泡
结构优化
新能源
EPP
supercritical foaming
structural optimization
new energy
