Enhancement of Stain-Induced Crystallization in Polylactide via Thermal Preannealing

Bing Na; Jie Zhu; Ruihua Lv; Peng Zhang; Qingxian Liu

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Enhancement of Stain-Induced Crystallization in Polylactide via Thermal Preannealing

机译：通过热预退火增强聚丙交酯中的染色诱导结晶

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Stretching of amorphous polylactide above glass transition temperature can lead to strain-induced crystallization, which is mainly determined by stretching rate and temperature. This study demonstrates that thermal annealing prior to stretching is alternative to enhance strain-induced crystallization of a given polylactide at the identical stretching conditions. The local order generated during thermal annealing acts as physical crosslinks to effectively alleviate molecular relaxation and thus facilitates the advent of strain-induced crystallization.

机译：在玻璃化转变温度以上拉伸无定形聚丙交酯会导致应变诱导结晶，这主要由拉伸速率和温度决定。这项研究表明，在相同的拉伸条件下，拉伸前的热退火是增强应变诱导的给定聚丙交酯结晶的替代方法。在热退火过程中产生的局部顺序充当物理交联键，以有效缓解分子弛豫，从而促进应变诱导结晶的出现。

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来源
《Journal of Applied Polymer Science》 |2014年第6期|共5页
作者
Bing Na; Jie Zhu; Ruihua Lv; Peng Zhang; Qingxian Liu;
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正文语种 eng
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crystallization; biopolymers and renewable polymers; spectroscopy;

机译：结晶;生物聚合物和可再生聚合物;光谱学;

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1. Enhancement of Stain-Induced Crystallization in Polylactide via Thermal Preannealing [J] . Bing Na, Jie Zhu, Ruihua Lv, Journal of Applied Polymer Science . 2014,第6期

机译：通过热预退火增强聚丙交酯中的染色诱导结晶
2. Morphological development and enhancement of thermal, mechanical, and electronic properties of thermally exfoliated graphene oxide-filled biodegradable polylactide/poly(epsilon-caprolactone) blend composites [J] . Botlhoko Orebotse Joseph, Ramontja James, Ray Suprakas Sinha Polymer: The International Journal for the Science and Technology of Polymers . 2018,第期

机译：热剥离石墨烯氧化物可生物降解聚氨酯/聚（ε-己内酯）混合物复合材料的热，机械和电子性能的形态学开发和增强
3. Nonisothermal crystallization behavior of polylactide/polyethylene glycol/graphene oxide nanosheets composite films [J] . Polymer Composites . 2020,第5期

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4. Comparative Thermal, Biological and Photo Degradation Kinetics of Polylactide and Effect on Crystallization Rates [C] . Laura Santonja, Amparo Ribes Greus, Rufina Alamo Annual Conference of the North American Thermal Analysis Society . 2013

机译：聚丙酰基的比较热，生物学和光降解动力学和结晶速率的影响
5. Applicaton of atomic force microscopy for the study of crystallization kinetics and morphology of L- and D-polylactide blends in solution cast thin films. [D] . Yuryev, Yury. 2006

机译：原子力显微镜在溶液浇铸薄膜中L和D-聚丙交酯共混物的结晶动力学和形态研究中的应用。
6. Effect of Organic Modifier and Clay Content on Non-Isothermal Cold Crystallization and Melting Behavior of Polylactide/Organovermiculite Nanocomposites [O] . M. Jesús Fernández, M. Dolores Fernández 2020

机译：有机改性剂和粘土含量对聚乳酸/有机蒙脱土纳米复合材料非等温冷结晶和熔融行为的影响
7. Isothermal Cold Crystallization, Heat Resistance, and Tensile Performance of Polylactide/Thermoplastic Polyester Elastomer (PLA/TPEE) Blends: Effects of Annealing and Reactive Compatibilizer [O] . Sisi Wang, Sujuan Pang, Lisha Pan, 2016

机译：聚乳酸/热塑性聚酯弹性体（pLa / TpEE）共混物的等温冷结晶，耐热性和拉伸性能：退火和反应相容剂的影响

Enhancement of Stain-Induced Crystallization in Polylactide via Thermal Preannealing

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