Indian Journal of Fibre & Textile Research

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Effect of chemical treatments on physical properties of kenaf bast fibres.


Affiliations
1 Mechanical Engineering Department, Veermata Jijabai Technological Institute, Matunga, Mumbai 400019., India
2 Mechanical Processing Division, ICAR-Central Institute for Research on Cotton Technology, Matunga, Mumbai 400019., India
 

In the present study, kenaf bast fibre surfaces have been modified using different chemicals with varying concentration. The effects of these chemical treatments on moisture content, water absorption,fibre diameter and bundle strength are investigated. The benefit of chemical treatments in the removal of impurities from the fibre surfaces has been established by scanning electron microscopy. It is found that the fibres treated with sodium hydroxide and acetic acid show major effect on fibre diameter. Compared to untreated kenaf fibre, strong alkali (NaOH) treatment show maximum water absorption (78.76%) and moisture content (8.15%). In fibre bundle tensile strength, sodium hydroxide and sodium carbonate treated fibres show more than 80% improvement in the tensilestrength of fibre. Kenaf fibre treated with 10% Na2CO3 show highest tensile strength of 410 MPa.

Keywords

Chemical treatments, Kenaf fibre, Physical properties, Tensile strength.
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Abstract Views: 166

PDF Views: 115




  • Effect of chemical treatments on physical properties of kenaf bast fibres.

Abstract Views: 166  |  PDF Views: 115

Authors

Shilpa Bhambure
Mechanical Engineering Department, Veermata Jijabai Technological Institute, Matunga, Mumbai 400019., India
A S Rao
Mechanical Engineering Department, Veermata Jijabai Technological Institute, Matunga, Mumbai 400019., India
T Senthilkumar
Mechanical Processing Division, ICAR-Central Institute for Research on Cotton Technology, Matunga, Mumbai 400019., India

Abstract


In the present study, kenaf bast fibre surfaces have been modified using different chemicals with varying concentration. The effects of these chemical treatments on moisture content, water absorption,fibre diameter and bundle strength are investigated. The benefit of chemical treatments in the removal of impurities from the fibre surfaces has been established by scanning electron microscopy. It is found that the fibres treated with sodium hydroxide and acetic acid show major effect on fibre diameter. Compared to untreated kenaf fibre, strong alkali (NaOH) treatment show maximum water absorption (78.76%) and moisture content (8.15%). In fibre bundle tensile strength, sodium hydroxide and sodium carbonate treated fibres show more than 80% improvement in the tensilestrength of fibre. Kenaf fibre treated with 10% Na2CO3 show highest tensile strength of 410 MPa.

Keywords


Chemical treatments, Kenaf fibre, Physical properties, Tensile strength.

References