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联想控股前瞻技术研究院 北京 100190
Received:11 February 2026,
Accepted:24 March 2026,
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李赫, 刘佳薇, 王炜, 于浩. 超临界流体发泡聚乳酸技术研究及应用进展. 高分子通报, doi:10.14028/j.cnki.1003-3726.2026.25.380
Li, H.; Liu, J. W.; Wang, W.; Yu, H. Research and application progress of supercritical fluid foaming poly(lactic acid) technology. Polym. Bull. (in Chinese), doi:10.14028/j.cnki.1003-3726.2026.25.380
聚乳酸作为最具产业化潜力的生物基可降解聚合物,其超临界流体发泡技术已成为实现轻质化、功能化应用的关键路径。本文系统综述了近年来超临界流体(主要是超临界CO
2
)发泡聚乳酸材料的研究进展,重点阐述了本体改性策略、配方复合技术以及发泡工艺革新三个核心方向。通过梳理代表性研究成果,结合当下发泡聚乳酸的应用现状,分析了当前技术瓶颈并展望了未来发展趋势,为高性能生物降解泡沫材料的开发提供理论支撑与实践指导。
As one of the most promising bio-based and biodegradable polymers for industrialization
supercritical fluid foaming technology using poly(lactic acid) (PLA) has emerged as a key pathway for achieving lightweight and functional applications. Recent research progress on supercritical fluid (primarily supercritical CO
2
scCO
2
) foamed PLA materials is systematically reviewed
with focus on three core directions: bulk modification strategies
formulation compounding technologies
and foaming process innovations. By summarizing representative research findings and integrating the current application status of foamed PLA
this review analyzes the existing technical bottlenecks and outlines future development trends
providing theoretical support and pr
actical guidance for the development of high-performance biodegradable foam materials.
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