Journal
JOURNAL OF INDUSTRIAL TEXTILES
Volume 51, Issue 4_SUPPL, Pages 5973S-6000SPublisher
SAGE PUBLICATIONS INC
DOI: 10.1177/15280837221101176
Keywords
Cotton fabric; epoxy; SBA-15; hydrophobic; oil-water separation; self-cleaning; UV shielding
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Funding
- Turiyam Research Laboratories, Pondicherry
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A simple, durable, superior cotton fabric with UV-shielding, self-cleaning, hydrophobic/superoleophile properties was developed using SBA-15 mesoporous silica and epoxy coating. The coated fabric exhibited high water contact angle and low surface free energy. As a filtration membrane, the fabric showed excellent oil-water separation efficiency and high flux. The coating also provided durability and protection to the fabric.
A simple, durable, superior UV-shielded, self-cleanable, hydrophobic/superoleophile cotton fabric was developed using SBA-15 mesoporous silica and epoxy coating (SE). The cotton fabric surfaces after coating with SE showed the highest water contact angle value of 146 degrees and lowest surface free energy of 13.9 mN/m. As a filtration membrane, the developed SE/cotton delivered 95.8% oil-water separation efficiency with a notable flux value of 6800 L/m(2)h against diesel-water mixture. The presence of an epoxy and silica hybrid layer on the surfaces of cotton fabric induced self-cleaning behavior and notable durability against UV light (UPF-29), pH resistance, washing fastness, and mechanical abrasion. Hence, the present coating developed using mesoporous silica and epoxy can be applied to different types of textile substrates to construct durable low-cost membranes.
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