The Crystalline Superstructure of Polylactide (PLA) and PLA/ramie Fiber Bio-composites under Strong Shear Flow

机译：强剪切流下聚乳酸（PLA）和PLA / ram麻纤维生物复合材料的晶体超结构

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The flow-induced shish-kebabs of polyolefins have been well demonstrated to be highly beneficial to mechanical strength,toughness,heat resistance,gas barrier,etc.However,it is still a challenge to achieve numerous shish-kebabs of biodegradable poly (L-lactic acid) (PLLA) due to its short chain length and semi-rigid chain backbone compared to polyolefins[1].In this work,a novel injection molding technology,named oscillation shear injection molding (OSIM),was applied to provide an intense shear flow on PLLA melt in cavity,in order to accelerate shear-induced crystallization of PLLA in injection molded PLLA and PLLA/ramie fiber bio-composites.

机译：流动诱导的聚烯烃烤肉串已被证明对机械强度，韧性，耐热性，阻气性等有很大的好处。然而，要实现许多可生物降解的聚（L- （PLLA）由于其链长短且与聚烯烃相比具有半刚性链骨架[1]。在这项工作中，采用了一种名为振荡剪切注射成型（OSIM）的新型注射成型技术，以提供高强度在模腔中的PLLA熔体上剪切流，以加速剪切模制的PLLA和PLLA / ram麻纤维生物复合材料中PLLA的结晶。

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来源
《Proceedings of the Sixth Asia-Europe symposium on processing and properties of reinforced polymers》|2013年|175-176|共2页
会议地点 Wuhan(CN)
作者
G.J.Zhong; H.Xu; Z.M.Li;
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作者单位

College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, Sichuan, China;

College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, Sichuan, China;

College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, Sichuan, China;

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原文格式 PDF
正文语种 eng
中图分类高分子化学（高聚物）;
关键词
Polylactide; Shish-kebabs; Transcrystallinity; Hybrid shish-kebab; Ramie fiber;

机译：聚丙交酯;烤肉串;结晶度；混合烤肉串；麻纤维;

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机译：通过使用强烈剪切流量和苎麻纤维作为同时加固和增韧的有希望的策略来构成的聚（丁烯琥珀酸酯）的珍珠模仿式超模拟
2. THE MECHANICAL PROPERTIES AND DEFORMATION OF SHEAR-INDUCED POLYMER LIQUID CRYSTALLINE FIBERS IN AN ENGINEERING THERMOPLASTIC [J] . Shi FF. Journal of Composite Materials . 1996,第14期

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4. The Crystalline Superstructure of Polylactide (PLA) and PLA/ramie Fiber Bio-composites under Strong Shear Flow [C] . G.J.Zhong, H.Xu, Z.M.Li Asia-Europe symposium on processing and properties . 2013

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5. Dynamics of a model for nematic liquid crystalline polymers in planar shear flow. [D] . Klein, David Harley. 2007

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6. Exploiting Plasma Exposed Natural Surface Nanostructures in Ramie Fibers for Polymer Composite Applications [O] . Sameer F. Hamad, Nicola Stehling, Simon A. Hayes, 2019

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7. Rheological properties of magnetic fluids composed of clusters. 2nd report. Analysis of simple shear flow in a strong magnetic field parallel to a shearing plane. [O] . Shin-ichi KAMIYAMA, Akira SATOH 1988

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8. Surface Chemistry of Plastics Reinforced by Strong Fibers [R] . Zisman, W. A. 1969

机译：强纤维增强塑料的表面化学

The Crystalline Superstructure of Polylactide (PLA) and PLA/ramie Fiber Bio-composites under Strong Shear Flow

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