A strategy for controlling degradation in vitro of carbon fiber-reinforced polylactic acid composites (by combining fiber modification and pulsed electromagnetic fields)

Autor:	Liang Liu, Qiao Sifan, Bing Wang, Jingang Qi, Zuofu Zhao, Zhang Di
Rok vydání:	2018
Předmět:	Electromagnetic field Absorption of water Materials science Surface Properties Polyesters Composite number Biomedical Engineering Biophysics Biocompatible Materials Bioengineering 02 engineering and technology Bending 010402 general chemistry 01 natural sciences Biomaterials chemistry.chemical_compound Electromagnetic Fields stomatognathic system Polylactic acid Carbon Fiber Materials Testing Humans Fiber Composite material Shearing (physics) Tissue Engineering Tissue Scaffolds Water respiratory system 021001 nanoscience & nanotechnology Biomechanical Phenomena 0104 chemical sciences chemistry Bone Substitutes Degradation (geology) lipids (amino acids peptides and proteins) Adsorption 0210 nano-technology
Zdroj:	Journal of Biomaterials Science, Polymer Edition. 29:1964-1977
ISSN:	1568-5624 0920-5063
Popis:	Carbon fiber-reinforced polylactic acid (C/PLA) composites are a human bone-fixation material, but control of the material's degradation remains a major factor hindering its widespread use. In this study, a combined method for controlling the degradation performance in vitro of C/PLA composites was designed. In this strategy, carbon fibers for C/PLA composite reinforcement were prepared in both modified and unmodified forms. A pulsed electromagnetic field (PEF) was then selectively applied during the subsequent degradation process. Results and analysis showed that the interfacial ester bonding between modified carbon fibers and PLA matrices significantly affected degradation in vitro of C/PLA composite. However, PEF affected the degradation performance of C/PLA composites and, after PEF treatment, the material's water absorption, mass retention, and bending and shearing strengths were changed to varying degrees. This method, by combining fiber modification and pulsed electromagnetic fields (abbreviated as CMP) provided a new strategy for the controlled degradation of C/PLA composites in human skeletal fixation.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b3dc527b994f9f86ce272ffd20ac7038 https://doi.org/10.1080/09205063.2018.1495798 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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