Knowledge Management System Of Shanghai Institute of Applied Physics, CAS
| 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
 |
| ISSN | 2050-7488 |
| 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 |
| DOI | 10.1039/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 | |
| 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 |
| 推荐引用方式 GB/T 7714 | 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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