己内酯
材料科学
复配
结晶
造型(装饰)
可生物降解聚合物
聚己内酯
聚合物
化学工程
高分子化学
复合材料
共聚物
工程类
作者
Jing Wei,Liwen Long,Bairong Ye,Yongjin Li,Zongbao Wang
标识
DOI:10.1016/j.matlet.2022.131753
摘要
• Fully sustainable blends of biobased PBF and biodegradable PCL were prepared by melt-mixing. • Despite the absence of PBF crystals, PCL induces formation of oriented precursors upon injection. • Such PBF/PCL blends show unexpected enhancements of both thermal and mechanical properties. Herein, we prepared sustainable polymer blends of biobased poly(butylene 2,5-furandicarboxylate) (PBF) and biodegradable poly(ε-caprolactone) (PCL) by melt-compounding, and studied the structure, thermal and mechanical properties of PBF-rich mixtures. Despite the inability to induce generating PBF crystals upon injection molding, PCL makes PBF’s cold crystallization easier via formation of oriented precursors. Strikingly, such compounds show unexpected enhancements of both thermal and mechanical properties relative to PBF, and the compound containing 5 wt% PCL displays the best mechanical performance.
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