A nacre-mimetic superstructure of poly(butylene succinate) structured by using an intense shear flow and ramie fiber as a promising strategy for simultaneous reinforcement and toughening
Xie, XL; Sun, QS; Lei, J; Tian, F; Xu, L; Yan, Z; Zhong, GJ; Li, ZM
2017
发表期刊JOURNAL OF MATERIALS CHEMISTRY A
ISSN2050-7488
卷号5期号:43页码:22697-22707
文章类型期刊论文
摘要Structuring nacre-mimetic superstructures during polymer melt processing could be a promising route to high performance structural materials with exceptional strength and toughness. A nacre-mimetic superstructure characterized with aligned lamellae (stiff phase) glued by amorphous polymer chains (soft and tough phase) was fabricated from a biodegradable polymer of poly(butylene succinate) (PBS) with favorable kinetics of crystallization by using an intense shear flow and promoted by natural ramie fiber. The well-aligned layered structure with a thickness of similar to 90 nm for the stiff phase and similar to 100 nm for the soft phase was identified with field-emission scanning electron microscopy, and the nacre-mimetic superstructure was quantitatively characterized by space-resolved small angle X-ray scattering. The thicknesses of crystalline lamellae and the amorphous phase layer between crystalline lamellae in the aligned layers were quantitatively assessed to be 3-4 nm and 4-6 nm respectively, indicating that multilayered crystal stacks are formed in the stiff phase. The nacre-mimetic superstructure leads to highly effective load transfer between the stiff phase and soft phase. Thus, the nacre-mimetic superstructure in PBS and the PBS/ramie fiber biocomposite shows simultaneous enhancement in strength and toughness in comparison to common materials without aligned layered structures. Our findings highlight the significance of nacre-mimetic superstructures in polymeric materials and provide novel prospects for the structuring of polymeric materials during melt processing.
关键词Mechanical-properties Isotactic Polypropylene Shish-kebab Induced Crystallization Artificial Nacre Graphene Oxide Bioinspired Composites Thermal-properties Polymer-films Chain Network
DOI10.1039/c7ta07654a
关键词[WOS]MECHANICAL-PROPERTIES ; ISOTACTIC POLYPROPYLENE ; SHISH-KEBAB ; INDUCED CRYSTALLIZATION ; ARTIFICIAL NACRE ; GRAPHENE OXIDE ; BIOINSPIRED COMPOSITES ; THERMAL-PROPERTIES ; POLYMER-FILMS ; CHAIN NETWORK
收录类别SCI
语种英语
WOS记录号WOS:000414605900031
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28542
专题中科院上海应用物理研究所2011-2018年
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Xie, XL,Sun, QS,Lei, J,et al. A nacre-mimetic superstructure of poly(butylene succinate) structured by using an intense shear flow and ramie fiber as a promising strategy for simultaneous reinforcement and toughening[J]. JOURNAL OF MATERIALS CHEMISTRY A,2017,5(43):22697-22707.
APA Xie, XL.,Sun, QS.,Lei, J.,Tian, F.,Xu, L.,...&Li, ZM.(2017).A nacre-mimetic superstructure of poly(butylene succinate) structured by using an intense shear flow and ramie fiber as a promising strategy for simultaneous reinforcement and toughening.JOURNAL OF MATERIALS CHEMISTRY A,5(43),22697-22707.
MLA Xie, XL,et al."A nacre-mimetic superstructure of poly(butylene succinate) structured by using an intense shear flow and ramie fiber as a promising strategy for simultaneous reinforcement and toughening".JOURNAL OF MATERIALS CHEMISTRY A 5.43(2017):22697-22707.
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