نتایج جستجو برای: polylactic acid pla

تعداد نتایج: 751272  

2014
Zhichao Zhang Yiming Yuan Bing Gao Jing Peng Wanshou Cui Weidong Song Zhongcheng Xin Yinglu Guo

Transl Androl Urol, Vol 3, Suppl 1 September 2014 www.amepc.org/tau © Translational Andrology and Urology. All rights reserved. free or pedicle grafts, and venous grafting for the corpora cavernosa, injection of synthetic dermal filler. Currently, as the need for safer, effective and less-invasive procedures is increasing, enhancement procedures using injectable products are in high demand. Inj...

2017
Xin-Yu Song Meng Wang Zhi-Gang Huang

Bamboo flour (BF) was grafted onto lactide (LA) in the molten state using stannous octoate as a catalyst to form BF-g-LA. Then, polylactic acid (PLA) was blended with BF (PLA/BF, 85/15 wt %) to prepare PLA/BF/BF-g-LA composites using BF-g-LA as a compatibilizer. The grafting rate of BF was characterized using infrared testing and elemental analysis. To investigate the effect of BF-g-LA on the p...

Journal: :Chemical communications 2016
Kate M Veccharelli Venus K Tong Jennifer L Young Jerry Yang Nathan C Gianneschi

Polylactic acid (PLA) has found widespread use in plastics and in biomedical applications due to its biodegradability into natural benign products. However, PLA-based materials remain limited in usefulness due to difficulty of incorporating functional groups into the polymer backbone. In this paper, we report a strategy for PLA functionalization that establishes the preparation of highly deriva...

Journal: :Journal of Polymer Research 2022

Polylactic acid (PLA) micro/nanofiber fabrics with good biodegradability and biocompatibility have wide applications in the medical protective field. However, poor flexibility, high brittleness, insufficient mechanical properties of PLA remain challenging. Herein, a polylactic acid/polyethylene glycol (PLA/PEG) fabric aligned fibers was successfully prepared by an inexpensive straightforward po...

Journal: :Nanoscale advances 2023

This work presents the experimental steps taken towards preparation of 3D printable bionanocomposites using polylactic acid (PLA) biopolymer containing 0.1, 0.5 and 1 wt% CNCs.

Journal: :Polymer 2021

Additive manufacturing has attracted much attention in the last decade as a principal growing sector of complex manufacturing. Precise layer-by-layer patterning materials gives rise to novel designs and fabrication strategies that were previously not possible realize with conventional techniques. Using suitable organized variation printing settings, parts time-dependent shapes can be tuned thro...

Journal: :International Journal of Engineering and Management Sciences 2020

2017
Yaowen Liu Xue Liang Rong Zhang Wenting Lan Wen Qin

Cinnamaldehyde (CA) was successfully encapsulated in β-cyclodextrin (β-CD), and polylactic acid (PLA)-based composite fibers were prepared by incorporating CA/β-CD via electrospinning. Morphological, structural, spectral, and antibacterial properties of different weight ratios of PLA:β-CD/CA (88:12, 94:6, 97:3, and 98.5:1.5) and PLA/CA/β-CD fibers were investigated. PLA and CA/β-CD were incorpo...

2017
Katalin Bocz K. Bocz T. Tábi D. Vadas M. Sauceau J. Fages Gy. Marosi

Natural fibre reinforced polylactic acid (PLA) foams, as potential green replacements for petroleum-based polymer foams, were investigated. Highly porous (ε > 95%) microcellular PLA foams were manufactured by supercritical CO2 assisted extrusion process. To overcome the inherent low melt strength of PLA, epoxyfunctionalized chain extender was applied, while talc was added to improve its crystal...

2012
Natacha Bitinis Alejandro Sanz Aurora Nogales Raquel Verdejo Miguel A. Lopez-Manchado Tiberio A. Ezquerra

The micromechanical deformation mechanisms of a polylactic acid (PLA)/natural rubber (NR) blend (PLA/NR 90/10 wt%) and its organoclay filled bionanocomposites have been investigated by small and wide angle X-ray scattering (SAXS–WAXS) under tensile conditions. The addition of NR to a PLA matrix changed the brittle fracture of PLA to a ductile deformation through the debonding of the rubber drop...

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