Indian Journal of Fibre & Textile Research

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Quantification of Binder Fibres in Needle-Punched Nonwoven and its Influence on Physical-Mechanical-Functional Properties of an Air Filter Media


Affiliations
1 Department of Textile and Fibre Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
2 Welspun India Limited, Senapati Bapat Marg, Lower Peral, Mumbai 400013, India
3 Department of Fashion Technology, National Institute of Fashion Technology, Kannur 670562, India
 

A nonwoven filter (viscose fibres) with an optimal design has been developed by controlling the binder fibres (fibres in the vertical direction) in the needle-punched nonwoven. Box and Behnken design in conjunction with 3D surface analysis has been used to study the effect of punch density, needle penetration depth and stroke frequency, considering the percentage of binder fibres in the overall structure on thickness, tenacity, air permeability and filtration efficiency of the filter. In this work, all the above properties are explained in the light of the considered structural index ‘percentage of binder fibres’. It is observed that the percentage of binder fibres increases with the increase of all three considered punching parameters. The thickness and tenacity are found to be decreased and increased respectively, with the increase of binder fibre percentage. The air permeability initially decreases and then increases with the increase in the percentage of binder fibres, whereas the filtration efficiency shows the opposite trend.

Keywords

Air Filter, Air Permeability, Binder Fibres, Needle-Punched Nonwoven, Tenacity, Viscose Fibre.
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Abstract Views: 133

PDF Views: 107




  • Quantification of Binder Fibres in Needle-Punched Nonwoven and its Influence on Physical-Mechanical-Functional Properties of an Air Filter Media

Abstract Views: 133  |  PDF Views: 107

Authors

Rupayan Roy
Department of Textile and Fibre Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
SM Ishtiaque
Department of Textile and Fibre Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
Animesh Laha
Welspun India Limited, Senapati Bapat Marg, Lower Peral, Mumbai 400013, India
Shashi Sony
Department of Textile and Fibre Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
Puneet Sood
Department of Fashion Technology, National Institute of Fashion Technology, Kannur 670562, India

Abstract


A nonwoven filter (viscose fibres) with an optimal design has been developed by controlling the binder fibres (fibres in the vertical direction) in the needle-punched nonwoven. Box and Behnken design in conjunction with 3D surface analysis has been used to study the effect of punch density, needle penetration depth and stroke frequency, considering the percentage of binder fibres in the overall structure on thickness, tenacity, air permeability and filtration efficiency of the filter. In this work, all the above properties are explained in the light of the considered structural index ‘percentage of binder fibres’. It is observed that the percentage of binder fibres increases with the increase of all three considered punching parameters. The thickness and tenacity are found to be decreased and increased respectively, with the increase of binder fibre percentage. The air permeability initially decreases and then increases with the increase in the percentage of binder fibres, whereas the filtration efficiency shows the opposite trend.

Keywords


Air Filter, Air Permeability, Binder Fibres, Needle-Punched Nonwoven, Tenacity, Viscose Fibre.

References