In the thesis, the influence of different construction parameters and raw materials of the fabric on the occurrence of pilling before and after washing was investigated. Pilling is a surface change that reduces the serviceability of textiles. It is caused by the friction of the textile during wearing, washing and drying.
In the first part of the thesis, we have explained in detail what pilling is, described the mechanism of pilling formation and presented the factors that influence this phenomenon. We briefly presented the properties of the materials used for the analysis.
In the experimental part, we made fourteen different fabrics, differing in the weave and the type of yarns used in the weft. The first eight basic fabrics were woven in two weaves (twill and satin) and with four different types of yarns in the weft with the weave pattern 1a (cotton 62tex, viscose 2x32 tex, wool 73 tex and wool / acrylic 76 tex). The density was 17 threads/cm. The remaining six fabrics were complex double twill fabrics with two color effects and six different yarn combinations in the weft, with a weft pattern 1a:1b (cotton: viscose, cotton: wool, cotton: wool/ acrylic, viscose: wool, viscose: wool/ acrylic, wool: wool/ acrylic). The density was 28 threads/cm. All fabrics were made on the same cotton warp with a linear density of 2 x 8 tex and a warp pattern of 1A1B (one white and one black thread) with a density of 40 threads/cm. The analysis of the samples included a study of the pilling resistance of the fabrics before and after washing.
Analysis of the results showed that, on average, pilling values were slightly higher for washed fabrics than for unwashed fabrics. Similarly, the values for complex fabrics were better than for basics, single-color fabrics. The raw material had the greatest influence on the occurrence of pilling. Fabrics with viscose weft had extremely low pilling resistance compared to other fabrics. The thickness and the different surface areas had a minor influence. The other construction parameters of the fabrics had no influence on the occurrence of pilling.
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