Novel Methods of Degumming and Bleaching of Indian Flax Variety Tiara

Tiara is the only fiber variety flax recently been introduced in India. The water retted flax fibers were mechanically extracted and subjected to degum and bleach using various chemicals and enzymes and the treatment conditions were optimized. The tenacity and elongation of the fiber were found to b...

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Bibliographic Details
Published in:Journal of natural fibers 2021-08, Vol.18 (8), p.1140-1150
Main Authors: Pandey, Ritu, Jose, Seiko, Basu, Gautam, Sinha, Mukesh Kumar
Format: Article
Language:English
Subjects:
Acetic acid
Bleaches
Bleaching
Chemical composition
Chemical treatment
Degumming
degumming脱胶
Diamines
Edetic acid
Elongation
Ethylenediaminetetraacetic acids
fiber extraction
fiber extraction纤维提取
fiber processing
Fibers
fibre processing纤维加工
Flax
Flax亚麻
Hemicellulose
Hydrogen peroxide
Oxalic acid
Pectin
pretreatment
pretreatment预处理
Tiara
Tiara冠状头饰
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Summary:Tiara is the only fiber variety flax recently been introduced in India. The water retted flax fibers were mechanically extracted and subjected to degum and bleach using various chemicals and enzymes and the treatment conditions were optimized. The tenacity and elongation of the fiber were found to be improved when ethylene diamine tetra acetate (EDTA) was used to degum the fiber before peroxide bleaching. The effect of hydrogen peroxide in flax bleaching was studied at different mediums. Oxalic acid and EDTA assisted peroxide bleaching shows 23% and 50% increase in tenacity and whiteness as compared to raw fiber. The characterization of fiber done through FTIR, SEM, and analysis of chemical composition, shows the removal of pectin and hemicellulose from the fiber as a result of chemical treatments.
ISSN:1544-0478
1544-046X
DOI:10.1080/15440478.2019.1687067