Characterization of physical, mechanical and chemical properties of quiscal fibres

The influence of atmospheric DBD plasma treatment

Catia Relvas, Gastón Castro, Sohel Rana, Raul Fangueiro

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

This paper reports the first attempt of characterizing various physical, mechanical and chemical properties of Quiscal fibres, used by the native communities in Chile and investigating the influence of atmospheric dielectric barrier discharge plasma treatment on various properties such as diameter and linear density, fat, wax and impurity%, moisture regain, chemical elements and groups, thermal degradation, surface morphology, etc. According to the experimental observations, Quiscal fibre has lower tenacity than most of the technical grade natural fibres such as sisal, hemp, flax, etc., and plasma treatment at optimum dose improved its tenacity to the level of sisal fibres. Plasma treatment also reduced the amount of fat, wax and other foreign impurities present in Quiscal fibres as well as removed lignin and hemicellulose partially from the fibre structure. Plasma treatment led to functionalization of Quiscal fibre surface with chemical groups, as revealed from attenuated total reflection spectroscopy and also confirmed from the elemental analysis using energy dispersive X-ray technique and pH and conductivity measurements of fibre aqueous extract. The wetting behavior of Quiscal fibre also improved considerably through plasma treatment. However, untreated and plasma treated Quiscal fibres showed similar thermal degradation behavior, except the final degradation stage, in which plasma treated fibres showed higher stability and incomplete degradation unlike the untreated fibres. The experimental results suggested that the plasma treated Quiscal fibres, like other technical grade natural fibres, can find potential application as reinforcement of composite materials for various industrial applications.

Original languageEnglish
Article numberA002
Pages (from-to)863-878
Number of pages16
JournalPlasma Chemistry and Plasma Processing
Volume35
Issue number5
DOIs
Publication statusPublished - 1 Sep 2015
Externally publishedYes

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chemical properties
Chemical properties
Physical properties
physical properties
mechanical properties
Plasmas
Mechanical properties
fibers
Fibers
Tenacity
Natural fibers
Waxes
Oils and fats
waxes
thermal degradation
fats
Pyrolysis
Fats
grade
Impurities

Cite this

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abstract = "This paper reports the first attempt of characterizing various physical, mechanical and chemical properties of Quiscal fibres, used by the native communities in Chile and investigating the influence of atmospheric dielectric barrier discharge plasma treatment on various properties such as diameter and linear density, fat, wax and impurity{\%}, moisture regain, chemical elements and groups, thermal degradation, surface morphology, etc. According to the experimental observations, Quiscal fibre has lower tenacity than most of the technical grade natural fibres such as sisal, hemp, flax, etc., and plasma treatment at optimum dose improved its tenacity to the level of sisal fibres. Plasma treatment also reduced the amount of fat, wax and other foreign impurities present in Quiscal fibres as well as removed lignin and hemicellulose partially from the fibre structure. Plasma treatment led to functionalization of Quiscal fibre surface with chemical groups, as revealed from attenuated total reflection spectroscopy and also confirmed from the elemental analysis using energy dispersive X-ray technique and pH and conductivity measurements of fibre aqueous extract. The wetting behavior of Quiscal fibre also improved considerably through plasma treatment. However, untreated and plasma treated Quiscal fibres showed similar thermal degradation behavior, except the final degradation stage, in which plasma treated fibres showed higher stability and incomplete degradation unlike the untreated fibres. The experimental results suggested that the plasma treated Quiscal fibres, like other technical grade natural fibres, can find potential application as reinforcement of composite materials for various industrial applications.",
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Characterization of physical, mechanical and chemical properties of quiscal fibres : The influence of atmospheric DBD plasma treatment. / Relvas, Catia; Castro, Gastón; Rana, Sohel; Fangueiro, Raul.

In: Plasma Chemistry and Plasma Processing, Vol. 35, No. 5, A002, 01.09.2015, p. 863-878.

Research output: Contribution to journalArticle

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