The master's thesis investigated the influence of yarn type and knitting weave on the functional properties of knitted fabrics for car seat covers, as well as the influence of a flame-retardant finish. A structured double-bed jacquard knitted fabric made of cotton, wool and Flamestop yarns was developed. The samples were reinforced with polyamide filaments and finished with Eco-flam CL flame retardant. In addition to mass per unit area, thickness and density of the knitted fabrics, the elastic properties, air permeability, pilling and abrasion resistance and flame retardancy of the knitted fabrics were also investigated. The results show that the type of yarn, the reinforcing polyamide filament, and the flame-retardant finish have an influence on the properties of the knitted fabrics studied. The polyamide filament used improved the mechanical properties of the samples by reinforcing the structure of the knitted fabrics. The flame retardant finish improved the flame-retardant properties of the samples by reducing the burning time and eliminating the afterglow time. The results show that the desired final functional properties of the knitted fabric can be predicted by the choice of an appropriate yarn and possible reinforcement of the knitted structure. The flame retardant knitted fabric made of wool yarn and polyamide filament and flame retardant knitted fabric made of Flamestop yarn and polyamide filament samples have excellent flame retardancy, abrasion and pilling resistance, good elastic properties and satisfactory air permeability. Based on the properties studied, the two samples would be most suitable to produce car seat covers.
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