Monitoring Chemical Changes on the Surface of Borosilicate Glass Covers during the Silanisation Process


This work provides detailed spectroscopic, elemental and contact angle analyses for the treatment of borosilicate glass covers. The glass surface was first treated with strong acid to promote hydroxylation, followed by silanisation using 3-(trimethoxysilyl)propyl methacrylate. Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy (ATR-FTIR) was used to identify the chemical changes on the surface and energy dispersive x-ray analysis (EDX) analysis was used to further confirm any compositional changes of the surface elements. Hydrophobicity/hydrophilicity changes throughout the course of the modification were monitored using contact angle measurements, from which the surface free energy proved the consistency of the chemical modification performed.


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