Preparation of durable hydrophobic surface using sol-gel method on cellulosic fabric
Publish place: The 12th international conference of innovative technologies in the field of science, engineering and technology
Publish Year: 1402
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
TETSCONF12_017
تاریخ نمایه سازی: 31 تیر 1402
Abstract:
A low temperature process of superhydrophobic finishing of cotton fabric has been developed by sol gel method. Cellulose fabric was first coated with silica sol and butane tetracarboxylic acid (BTCA) as the acidic catalyst. The silica coated fabric was then padded with hydrolyzed alkyl silane afterwards obtaining low surface energy. Water contact angle was used to characterize superhydrophobicity. Scanning electron microscopy was used to see the surface of coated fabrics. Contact angle (CA) reached to ۱۵۸ degree and with washing CA decreased slightly. BTCA formed the ester bonds between cotton fabric and silica sol and improved the durability of superhydrophobicity.
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Authors
Hanie Zare Ahmadabad
Department of Polymer Engineering and Color Technology, Amirkabir University of Technology, Tehran, Iran
Shahla Shekarriz
Colour and Polymer Research Centre, Amirkabir University of Technology (Polytechnic), P. O. Box ۱۵۸۷۵-۴۴۱۳, Tehran, Iran