Surface Modification of Jute Fabric by Treating with Silane Coupling Agent for Reducing Its Moisture Regain Characteristics
2021
Gogoi, Runumi | Tyagi, Ajay Kumar
In the present study, the effect of silane treatment method on reducing the moisture regain of the jute fabric was investigated. Triethoxyvinylsilane, a widely used hydrophobic silane is used as the silane coupling agent. The treated fabrics were characterized by Fourier transform infrared spectroscopy (FTIR), Scanning electron microscopy/Electron dispersive spectroscopy (SEM/EDS) and for contact angle, moisture regain etc. It was observed that the moisture regain of the jute fabric reduced significantly by this treatment. The contact angle measurement showed that after silane treatment, the surface of the jute fabric became exclusively hydrophobic in nature with a contact angle of 111°. FTIR analysis of the treated fabric showed the presence of Si-O-C linkage on the surface which confirms that the hydroxyl groups of the jute fabric react with the silanol molecules forming Si-O-C linkages. The grafting of silane molecules onto the surface of jute fabric was further confirmed by the presence of silicone atoms detected by electron dispersive spectroscopy. It is expected that the findings of the work will open up new horizons for utilization of jute fabric in the area of healthcare, oil absorbent mat, composites and geo-textiles.
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