牙科用明胶基氧化锌纳米复合材料的合成、结构和力学性能

Tehnika Pub Date : 2023-01-01 DOI:10.5937/tehnika2302133j
M. Jovanović, M. Petrović, N. Zlatanović, E. Ali, V. Radojević
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引用次数: 0

摘要

本文以明胶(GA)和聚乙烯吡咯烷酮(PVP)为基体,与纳米氧化锌(ZnO)共混制备了复合材料。为了改善材料的力学性能,将样品与戊二醛(GTA)交联。采用固溶铸造法制备了复合材料,研究了交联和纳米颗粒对复合材料力学性能的影响。FTIR分析证实了聚合物基体的交联,并且在加工过程中聚合物基体与氧化锌纳米颗粒之间没有形成化学键。力学性能测试表明,交联和添加1 wt%氧化锌可提高拉伸强度、弹性模量、硬度和降低弹性模量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Synthesis, structural and mechanical properties of gelatin-based nanocomposites with zinc oxide for use in dentistry
In this paper, the composites with the matrix of gelatin (GA) and poly(vinylpyrrolidone) (PVP) blend with nanoparticles of zinc oxide (ZnO) were prepared. In order to improve the mechanical properties, the samples were cross-linked with glutaraldehyde (GTA). The processing was carried out by the solution casting method, and the influence of cross-linking and nanoparticles on the mechanical properties of the obtained composites was investigated. FTIR analysis confirmed the cross-linking of the polymer matrix and that no chemical bond was formed during processing between the polymer matrix and zinc oxide nanoparticles. Examination of the mechanical properties showed that the cross-linking and addition of 1 wt% zinc oxide increased tensile strength, modulus of elasticity, hardness and reduced modulus of elasticity.
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