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Structuralisation and Functionalisation of a Fibre Surface by Modifying the Fibre Material

Research and development

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Abstract:

Fibres are used in various fields of social life. Several functional properties are required from them according to the purpose of use. Due to their chemical composition and macromorphological structure, functional properties of fibre materials mutually differ and thus limit their general use. The materials on the fibre surface represent a great challenge to increase their functionality. The modification of fibre surfaces by various physical and chemical procedures deliberately changes some functional properties of the surfaces and thus increases the possibilities of wider usage of fibres. In our research work, the surfaces of fibres were functionalised mainly by pigments and sol-gel, focusing on the wetting ability as well as electrical and thermal properties. Plasma processing and pigmentation causes faster wettability of fibre materials, whereas sol-gel modification causes a slower wettability compared to the original unmodified surface. An significant decrease in volume and surface resistivity of the samples by surface pigmentation was also indicated.

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fibre material, functionalisation, surface, wetting ability, electrical resistivity, thermal conductivity.

Published in issue no 5-6 (64-65) / 2007, pages 127–130.

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