Influence of Fusing Conditions on the Change of Colour Shade in the Production of Clothing

One of the major technological processes in the sewing industry is the process of thermo-mechanical fusing (TMF). This is a process in which the main textile material connects to an additional textile material (interlining) through a polymer binder. This ensures better resistance to the shape of the individual parts of the sewing article. The main factors that influence the process are the temperature of the pressing plates, and the pressure and the duration of the process. The process has not been sufficiently studied and therefore it is important to identify a function that connects the output parameter to the input factors of the TMF process. It is especially important to choose an optimisation criterion. After numerous preliminary studies, some changes in textile materials (TM) after TMF have been observed. For example, the incorrect adjustment of process parameters (e.g. pressure, temperature and duration) changes the colour shade of TM after TMF. This change in the colour shade of the individual parts will impair the quality of the sewing product as a whole. This encourages the selection of the quality criterion. In light of the latter, the purpose of this paper was to derive a mathematical model of the TMF process that describes the influence of input factors on the quality criterion: changing the colour shade of TM after TMF.