Volume 9, Issue 1 (Journal OF Welding Science and Technology 2023)
JWSTI 2023, 9(1): 93-100 |
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Gadami Domabi L, Rafiaei S M, Jahanbazi Gojani S. Production of polylactic acid/chitosan polymer matrix scaffold reinforced with zinc oxide particles by 3D printing additive/welding manufacturing method and investigating their properties. JWSTI 2023; 9 (1) :93-100
URL: http://jwsti.iut.ac.ir/article-1-438-en.html
URL: http://jwsti.iut.ac.ir/article-1-438-en.html
1- Materials Engineering Group, Golpayegan College of Engineering, Isfahan University of Technology, Golpayegan, 87717-67498, Iran
2- Materials Engineering Group, Golpayegan College of Engineering, Isfahan University of Technology, Golpayegan, 87717-67498, Iran , s.rafiaei@iut.ac.ir
2- Materials Engineering Group, Golpayegan College of Engineering, Isfahan University of Technology, Golpayegan, 87717-67498, Iran , s.rafiaei@iut.ac.ir
Abstract: (850 Views)
In this paper the production of chitosan and polylactic acid polymer scaffolds containing zinc oxide particles was carried out through the 3D printer method. Zinc oxide particles were processed through combustion synthesis method. According to the XRD results, the produced oxide has a high phase purity, and the evaporation of volatile impurities and the increase of crystallinity happened via performing the calcination process. In the X-ray diffraction pattern of PLA/ZnO/Chitosan, the broad peak in the range of 10-25 degrees indicates the amorphousness of the background polymer, and with the addition of ZnO, sharp and powerful peaks have appeared in the graph. The SEM images of zinc oxide synthesized by combustion method also showed that the size of ZnO nanoparticles is approximately 50 nm, while after the calcination heat treatment, the size of the particles increased greatly and reached an average size of 130-160 nm. Finally, the microscopic images obtained from the surface of scaffolds possessing 10% zinc oxide, 5% chitosan and polylactic acid showed that by optimizing the 3D printer, ZnO particles are uniformly dispersed in PLA/Chitosan polymer field.
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