Fabrication of piezoelectric poly(l-lactic acid)/BaTiO3 fibre by …
2020年10月1日 · Shear piezoelectricity (d14) is induced along the primary axis of PLLA upon the application of shear stress, as the C=O dipoles in the helical backbone rotate, causing …
Enhancement and Function of the Piezoelectric Effect in Polymer ...
2022年8月15日 · PLLA is a transparent, flexible plant-derived biodegradable polymer that may exhibit piezoelectricity because of the presence of C═O dipoles along the chain in a helical …
A review of recent advances of piezoelectric poly-L-lactic acid for ...
2024年9月1日 · Poly-L-lactic acid (PLLA), recognized as a piezoelectric material, not only demonstrates exceptional piezoelectric properties but also exhibits commendable …
Ultrastable piezoelectric biomaterial nanofibers and fabrics as an ...
2024年7月19日 · Here, we report an interfacial anchoring strategy for fabricating core/shell PLLA/glycine (Gly) nanofibers (NFs) by electrospinning, which show a high ratio of …
Regulated crystallization and piezoelectric properties of bio-based ...
2024年10月31日 · Wu et al. investigated the use of PLLA/MXene (PDMP/MXene) nanofibrous composite membranes for accelerating wound healing through biomimetic low-voltage …
聚-L-丙交酯的填料增强压电性及其作为功能性超声激活生物材料的 …
研究表明，用少量（1 wt%）高纵横比的结晶填料颗粒对 PLLA 进行改性（在拉伸诱导结晶过程中充当成核剂），可促进高度结晶和取向的 PLLA 结构的形成。 这增加了它们的压电性，并且 …
Flexible piezoelectric generator based on PLLA/ZnO
2023年6月1日 · The net dipole moment of β-PLLA exceeds that of α-PLLA, accounting for improved piezoelectricity with more β-PLLA. Besides, it is easy to find that the three main …
Improved piezoelectricity of polylactide using vitamin B
2020年9月14日 · By blending VB 2 with PLLA, the hydrogen-bonding interaction improves, and the dipole orientation and the degree of crystallinity of PLLA are both enhanced. This …
Local piezoelectric activity of single poly(L-lactic acid) (PLLA ...
2012年8月11日 · PLLA is a simple which has flexible molecular chains containing C=O dipoles. The crystal structure of the PLA is characterized by the helical structure and in the PLLA …
Molecular modeling study of the resistance of PLA to hydrolysis …
2006年6月14日 · Molecular modeling has been used to explain how the blending of poly (l -lactide) (PLLA) and poly (d -lactide) (PDLA) affects the resistance of poly (lactide) (PLA) to …