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Evaluation of bast fibre retting systems on hemp

Hurren, Christopher, Wang, Xungai, Dennis, Hamish G. S. and Clarke, Adrian Frances K. 2002, Evaluation of bast fibre retting systems on hemp, in Through the eye of a needle, advances in fibre, fashion and fabric : Textile Institute : proceedings of the 82nd World Conference, The Textile Institute, [Manchester, England].

Document type: Conference Paper, Exhibition or Event Item
Collection: School of Engineering and Technology
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Field of Research 091012 Textile Technology
Title of paper Evaluation of bast fibre retting systems on hemp
Author(s) Hurren, Christopher
Wang, Xungai
Dennis, Hamish G. S.
Clarke, Adrian Frances K.
Date 2002
Conference name Textile Institute. Conference (82nd : 2002 : Cairo, Egypt)
Title of proceedings Through the eye of a needle, advances in fibre, fashion and fabric : Textile Institute : proceedings of the 82nd World Conference
Conference location Cairo, Egypt
Conference dates 23-27 March 2002
ISBN 1870372565
9781870372565
Publisher The Textile Institute
Place of publication [Manchester, England]
Language eng
Summary In this paper the effect of eight different retting methods on decorticated hemp skins were analyzed. The methods were taken from six publications that looked at the retting of different bast fibres such as ramie, flax and kenaf. The fibres were batch retted in a package dye-vat at 100oC under 2 bar of pressure. The rinsed fibres were opened twice using a Shirley cotton trash separator. The opened fibre was assessed for fibre width, fibre width variation, colour and handle. It was found that the fibre that had undergone chemical retting with 7% Sodium Hydroxide (NaOH) and 0.5% Sodium Sulphite (Na2SO3) had the best diameter (18.39 micron) and the best coefficient of variation of diameter (57.32%). The fibre that was processed with 7% Sodium Hydroxide (NaOH) and 0.5% Sodium Sulphite (Na2SO3) had the whitest colour (YI D1925 = 31.61). The method treated with 1% Sodium Hydroxide (NaOH) and 1% Sodium Sulphite (Na2SO3) had the softest handle and the method treated with 1% Sodium Hydroxide (NaOH) and pre-rinsed with 0.3% Hydrochloric Acid (HCl) showed the best conversion of decorticated skins into spin able fibre (33.9% of dry green skins). It was decided that method treated with 1% Sodium Hydroxide (NaOH) and pre-rinsed with 0.3% Hydrochloric Acid (HCl) had the best fineness of fibre micron, conversion to spin able fibre (33.9% of dry green skins), whitest colour (YI D1925 = 36.13) and softest handle for the cost of chemicals involved.
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HERDC Research category E2 Full written paper - non-refereed / Abstract reviewed
ERA Research output type E Conference publication
Research Office code 20021631
Copyright notice ©2002, The Textile Institute
Persistent URL http://hdl.handle.net/10536/DRO/DU:30013875
 
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