研究目的
Investigating the fabrication of hydrophobic surfaces with acceptable levels of both surface hydrophobicity and mechanical strength using organic-inorganic hybrid solutions.
研究成果
The study successfully fabricated silica films with controlled microstructures using O-I hybrid solutions, achieving high hydrophobicity and mechanical strength. The optimal composition for balanced properties was identified as a UPMT solution with a 1:3 weight ratio of TEOS:PUAN and 9.1 wt.% PMMA.
研究不足
The study was limited to the use of specific materials (UAN, PMMA, TEOS) and a calcination temperature of 450 °C. The mechanical robustness and hydrophobicity of the films were tested under specific conditions, and the scalability of the process was not addressed.
1：Experimental Design and Method Selection:
The study involved the preparation of O-I hybrid solutions with varying ratios of UAN:PMMA and polymer/solvent, followed by spin-coating on glass and calcination at 450 °C to produce silica films with various microstructures.
2：Sample Selection and Data Sources:
Glass slides were used as substrates, cleaned using RCA standard cleaning procedures.
3：List of Experimental Equipment and Materials:
Materials included glycerol propoxylate, 2,4-toluene diisocyanate, 2-hydroxyethyl methacrylate, polyethylene glycol, PMMA, TEOS, ethanol, MEK, and TCFS. Equipment included SEM, EDS, UV-vis spectrometer, XPS, contact angle meter, and pencil hardness tester.
4：Experimental Procedures and Operational Workflow:
The process involved synthesis of UAN, preparation of O-I hybrid solutions, spin-coating, calcination, and surface modification with TCFS.
5：Data Analysis Methods:
Surface morphology was observed using SEM, chemical composition was analyzed using EDS and XPS, hydrophobicity was measured using water contact angle, and mechanical properties were tested using pencil scratch hardness tests.
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