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纳米纤维增强复合材料与不同类型的复合树脂的比较

Zümrüt Ceren Özduman¹, Burcu Oglakci¹, Derya Merve Halacoglu Bagis²

¹Department of Restorative Dentistry, Faculty of Dentistry, Bezmialem Vakif University, 34093 Istanbul, Turkey.

|September 9, 2023

概括

这项研究将纳米尺寸的酸纤维增强复合材料的性能与其他牙科复合材料进行了比较. 毫米级玻璃纤维复合材料显示出优越的硬度和强度,比新的纳米-酸复合材料的收缩率更低.

科学领域:

牙科材料科学牙科材料科学
生物材料工程生物材料工程
聚合物科学聚合物科学

背景情况:

纤维增强复合材料为牙科修复提供了增强的机械性能.
对新型纳米尺寸酸纤维增强复合材料 (nHAFC-NF) 与已建立的材料进行评估对于临床应用至关重要.
了解纤维类型,尺寸和填料含量对复合材料性能的影响是必不可少的.

研究的目的:

综合评估和比较新的nHAFC-NF与商业纤维增强和颗粒填充复合材料的物理和机械性能.
评估各种牙科复合材料的微硬度,屈曲强度,弹性模量,体积聚合收缩率 (VPS) 和转化度 (DC).
为了确定材料特性和填料特性之间的相关性.

主要方法:

测试了八种商业复合树脂:三种纤维增强 (包括nHAFC-NF) 和五种颗粒填充 (包括散装填充和微混合型).
样品被准备用于维克斯微硬度,三点曲测试 (屈曲强度,弹性模量),VPS (AcuVol) 和DC (FTIR).
统计分析包括ANOVA和后期测试;佩尔森相关性用于评估属性之间的关系.

主要成果:

微混合复合材料 (μH-FZ) 呈现出最高的微硬度,屈曲强度和弹性模量.
高粘度散装填充复合材料 (HVBF-FBF) 与其他复合材料相比显示出明显较低的VPS.
毫米尺度玻璃纤维增强复合材料 (mmGFC-EX) 显示出优越的微硬度,柔性强度,弹性模量和较低的VPS比nHAFC-NF,具有类似的DC.

结论:

纤维类型和长度显著影响含纤维复合材料的物理和机械性能.
虽然新的nHAFC-NF显示出承诺,但已建立的毫米级玻璃纤维复合材料目前提供优越的机械性能和较低的聚合收缩率.
进一步研究优化nHAFC以改善机械性能和减少收缩是有必要的.

关键词:

这是一个复合材料.纤维纤维纤维纤维纤维是一种纤维.机械机械机械机械机械纳米纳米纳米纳米纳米物理属性物理属性一个聚合物聚合物.

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