生物基可降解聚氨酯材料的制备及改性研究进展

Research progress on preparation and modification of bio-based degradable polyurethanes

利用生物质资源合成的聚氨酯材料,凭借其生物相容性和可降解性受到国内外的广泛关注。围绕近几年的文献,首先介绍了合成生物基聚氨酯常用的生物基多元醇和生物基异氰酸酯,以及它们的制备方法与结构特点,然后从不同结构的单体、不同扩链剂和复合改性等方面详细概述了生物基可降解聚氨酯的研究进展,阐述了单体的设计与合成、聚合反应原理、生物基可降解聚氨酯的结构、性能以及应用等内容。最后对未来生物基可降解聚氨酯的研究趋势进行了展望。

Polyurethane materials synthesized from biomass resources have received extensive attention at home and abroad for their biocompatibility and degradability.According to the literatures in the recent years,bio-based polyols and bio-based isocyanates,which were often used in the synthesis of bio-based polyurethanes,as well as their preparation methods and structural characteristics were firstly introduced,then the research progress of bio-based degradable polyurethane was outlined in detail from the aspects of monomers with different structures,different chain extenders and compound modification,which elaborated on the design and synthesis of monomers,the principle of polymerization reaction,and the structure,properties and applications of bio-based degradable polyurethane.Finally,the future research trends and applications of bio-based degradable polyurethane were envisioned.