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].
Through the eye of a needle, advances in fibre, fashion and fabric : Textile Institute : proceedings of the 82nd World Conference
Publication date
2002
Publisher
The Textile Institute
Place of publication
[Manchester, England]
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.
Notes
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ISBN
1870372565 9781870372565
Language
eng
Field of Research
091012 Textile Technology
HERDC Research category
E2 Full written paper - non-refereed / Abstract reviewed
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