EMIL IOAN MURESAN, CRISTINA PIROI, DORINA CREANGA, LUCIA STELEA, LACRAMIOARA OPRICA, ION SANDU<br>Glycidyl Esters Used for Multifunctional Finishing of Textile Materials

EMIL IOAN MURESAN, CRISTINA PIROI, DORINA CREANGA, LUCIA STELEA, LACRAMIOARA OPRICA, ION SANDU
Glycidyl Esters Used for Multifunctional Finishing of Textile Materials

Abstract:

The study presented in this paper is related to a method for imparting multifunctional properties to the cotton fabrics by treating them with glycidyl esters of fatty acids (GEs). The treatment confers hydrophobic character, antifungal properties, soil resistance and easy soil removal properties for the cotton fabrics. The glycidyl esters used in this research were glycidyl laurate and glycidyl palmitate, obtained by the reaction of sodium laurate and sodium palmitate, respectively, with epichlorohydrin, in the presence of dimethylformamide. FTIR and SEM analysis were used to study the effect GEs have on treated cotton fibres. The hydrophobic properties of the treated samples were assessed by measurements of the water contact angles and absorption times of the water drops. Antifungal activity of the cotton samples treated with GEs was evaluated against two species of cellulolytic fungi: Phanerochaete chrysosporium and Trichoderma viridae. The effects of fabric degradation under the action of the tested fungi were highlighted by the weight loss and by the changes in colour and texture, as pointed out by the microscopic images and micro photos. The degree of soiling of the samples was assessed by the difference in colour between the soiled and washed samples. The results obtained confirm that the method used in this research allows for adding multiple desired properties of the cellulosic materials by using a single finishing agent and a single finishing treatment, thus facilitating savings in terms of energy usage and water consumption. Keywords: antifungal activity, cotton fabrics, glycidyl esters of fatty acids, hydrophobization, soiling degree

Issue: 2016, Volume 67, Issue 5

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