Polyaniline was deposited on a polylactide nonwoven by the in situ method in the form of emeraldine salt (Green Protonated Emeraldine), i.e. by oxidative polymerisation on the fibre surface. The nonwoven was also padded with a solution of Blue Emeraldine Base. Depending on the type of polyaniline (PANI) deposited, the resulting samples showed different conductance values. Changes in electrical resistance were assessed versus the procedure of final treatment. Thermogravimetric measurements showed an increase in the temperature of decomposition of about 50 °C compared to that of an unmodified sample. The nonwoven with the deposited layer of PANI was overlaid with a layer of complexing polymers by the layer-by-layer method. The effect of such a modification on the electro-conductive (resistance) and sorption properties of nonwovens was examined.

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Application of Polyaniline for the Modification of Polylactide Fibres

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Polyaniline was deposited on a polylactide nonwoven by the in situ method in the form of emeraldine salt (Green Protonated Emeraldine), i.e. by oxidative polymerisation on the fibre surface. The nonwoven was also padded with a solution of Blue Emeraldine Base. Depending on the type of polyaniline (PANI) deposited, the resulting samples showed different conductance values. Changes in electrical resistance were assessed versus the procedure of final treatment. Thermogravimetric measurements showed an increase in the temperature of decomposition of about 50 °C compared to that of an unmodified sample. The nonwoven with the deposited layer of PANI was overlaid with a layer of complexing polymers by the layer-by-layer method. The effect of such a modification on the electro-conductive (resistance) and sorption properties of nonwovens was examined.

Tags: polylactide fibres, modification, polyaniline, polylactide nonwoven, layer-bylayer method, electrical resistance.

Citation: Połowiński S., Szumilewicz J., Stawski D.; Application of Polyaniline for the Modification of Polylactide Fibers. 119 FIBRES & TEXTILES in Eastern Europe 2011, Vol. 19, No. 4 (87) pp. 119-123.

Published in issue no 4 (87) / 2011, pages 119–123.

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