研究目的
Investigating the effect of interfacial hydrogen bonding on the electrical properties of UV-cured resin filled with hydroxylated Al2O3 nanoparticles to improve the performance of stereolithography 3D printing in electrical and electronic applications.
研究成果
The hydroxylation of Al2O3 nanoparticles significantly improves the electrical properties of UV-cured resin nanocomposites by enhancing interfacial strength through hydrogen bonding. This method presents a promising approach for advancing stereolithography 3D printing in electrical and electronic applications.
研究不足
The study focuses on the electrical properties enhancement through interfacial hydrogen bonding but may not address all potential applications or the scalability of the hydroxylation process for industrial use.
1：Experimental Design and Method Selection:
The study involved the hydroxylation of Al2O3 nanoparticles to establish hydrogen bonding with UV-cured resin, aiming to enhance interfacial strength and electrical properties.
2：Sample Selection and Data Sources:
Crude Al2O3 nanoparticles were hydroxylated using H2O2, and nanocomposites were prepared with varying filler contents.
3：List of Experimental Equipment and Materials:
Equipment included FT-IR, XPS, SEM, Keithley 6517B test system, and broadband dielectric spectroscopy. Materials included Al2O3 nanoparticles, H2O2, UV-cured resin, and acetone.
4：Experimental Procedures and Operational Workflow:
Hydroxylation of Al2O3 nanoparticles, preparation of nanocomposites via UV-curing, and characterization of electrical and dielectric properties.
5：Data Analysis Methods:
Analysis of dielectric properties, volume resistivity, AC breakdown strength, space charge distribution, and trap level distributions using various spectroscopic and electrical measurement techniques.
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