Realization of the shape memory effect in a composite material PLA/ Diopside with different supramolecular structures

被引：0
|
作者：
Kovaleva, Polina [1 ]
Bulygina, Inna [1 ]
Cheremnykh, Anna [1 ]
Statnik, Eugene [2 ]
Ivantsova, Ekaterina [1 ]
Sadykova, Iuliia [3 ]
Zadorozhnyy, Mikhail [4 ]
Korol, Artem [2 ]
Senatov, Fedor [1 ]
机构：
[1] NUST MISIS, TERM Lab, Leninskiy Pr 4, Moscow 119049, Russia
[2] NUST MISIS, LUCh Lab, Leninskiy Pr 4, Moscow 119049, Russia
[3] Skoltech, Ctr Digital Engineer, Bolshoy Blvd 30-1, Moscow 121205, Russia
[4] NUST MISIS, Ctr Composite Mat, Leninskiy Pr 4, Moscow 119049, Russia
来源：
POLYMER | 2024年 / 315卷
基金：
俄罗斯科学基金会;
关键词：
Polylactide; Shape memory effect; Supramolecular structure; Diopside; Structure evolution; CRYSTALLIZATION;
D O I：
10.1016/j.polymer.2024.127831
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
This study explores the realization of the shape memory effect (SME) in composite materials composed of polylactide (PLA) filled with diopside particles exhibiting varied supramolecular structures, such as spherulites and amorphous lamellar structures. We investigated the influence of diopside filler on the thermomechanical properties and shape recovery behavior of PLA-based composites. Different supramolecular structures of PLA were achieved through controlled crystallization processes. Comprehensive characterization techniques, including differential scanning calorimetry (DSC), scanning electron microscopy (SEM), and dynamic mechanical analysis (DMA), were employed to elucidate the structure-property relationships. The results indicate that the diopside enhances the SME of PLA composites, with the degree of improvement being dependent on the specific supramolecular structure of the polymer matrix. Our findings provide insights into the design of advanced SMPs with tailored properties for potential applications in medicine.
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页数：11
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