FLAME RETARDANCY IMPROVEMENT OF MODIFIED COTTON FABRIC BY NANO SILICA SOL COATING

Vu Anh Tuan, Pham Thi Thu Trang, Giang H. Ha Le, Manh B Nguyen, Tran Quang Vinh, Trinh Duc Cong

Abstract


Cotton fabric was coated by silica sol at different times using dip-coating method. Nano silica coated fabrics were characterized by XRD, FTIR, SEM, EDX, TGA. From SEM result, it showed that fabric surface was coated by nanosilica particles of 20-30 nm size. Nano silica coated fabrics showed the improvement not only flame retardancy (LOI increased from 18.4 to 30.8) but also the tear strength. Tear strength increased from 23 N/mm (cotton fabric) to 29.9 N/mm (fabric coated nanosilica at 3 times).


Keywords


nanosilica, cotton fabric, flame retardancy

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References


Prof. Thai Hoang

Email: hoangvast@gmail.com

Prof. Do Quang Khang

Email:khangdoquang@gmail.com




DOI: https://doi.org/10.15625/2525-2518/58/4/14850 Display counter: Abstract : 41 views. PDF : 6 views.

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Published by Vietnam Academy of Science and Technology