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2020, vol. 68, br. 1, str. 4-11
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Enzimska obrada vunenih tkanina sa lipazom i poboljšanje nekih svojstava vunenih tkanina
Enzymatic treatment of wool fabrics with lipase in the improvement of some properties of wool fabrics
aUniversity "Goce Delchev", Faculty of Technology, Shtip, Republic of North Macedonia bUniversity "Goce Delchev", Faculty of Economics, Shtip, Republic of North Macedonia
e-adresa: kiro.mojsov@ugd.edu.mk
Sažetak
Enzimska obrada tekstila značajno poboljšava neka njihova fizičko-hemijska svojstva i povećava njihove estetske vrednosti i udobnost upotrebe. Enzimi se mogu koristiti za razvoj ekološki prihvatljivih procesa smanjenjem koncentracije hemijskih agenasa, vode i potrošnje energije. Vunene tkanine su prethodno obrađene hidrogen peroksidom u prisustvu stabilizatora (natrijumova so imino disukcinatne kiseline). Procenjen je efekat naknadne obrade preoksidovane vunene tkanine komercijalno proizvedenim enzimom lipaze na njenu obojenost kiselim bojama, kao i na neka njena fizičko-mehanička svojstva. Vunene tkanine tretirane sa hidro-gen peroksid/natrijumovom solju imino disukcinatne kiseline/ enzimom lipaze pokazuju poboljšanu vlažnost i, samim tim, mogućnost bojenja kiselim bojama, kao i povećanu otpornost na skupljanje i piling.
Abstract
The enzymatic treatment of textiles significantly improves some of their physicochemical properties as well as increases their aesthetic values and comfort of use. Enzymes can be used in order to develop environmentally friendly processes by reducing the concentration of chemical agents, water and energy consumption. Wool fabrics were pretreated with hydrogen peroxide in the presence of stabiliser imino disuccinic acid sodium salt (IDAS). The eff ECT of after-treatment of the pre-oxidised wool fabric with commercially produced lipase enzyme on its dyeability with acid dyes, as well as on some of its physico-mechanical properties, was assessed. Wool fabrics treated with hydrogen peroxide / imino disuccinic acid sodium salt / lipase enzyme exhibit improved wettability and, hence, dyeability with acid dyes, as well as enhanced resistance to felting shrinkage and pilling.
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