Abstract
PurposeThe purpose of this paper is to determine the influence made by complex finishing of denim fabrics, i.e. laser treatment and industrial washing, on the change in tension properties of fabric.Design/methodology/approachTest specimens were treated by a laser JG-10050. Lasers main technological parameters: maximum laser beam power is 65 W, laser types are hermetic and detached CO2, laser tube wavelength is 10.62 µm. The test specimens processed by different laser energy density have been exposed to industrial washing and their tensile characteristics have been investigated.FindingsThe results of the research have demonstrated that complex finishing reduces the breaking force; however, material extensibility remains almost unchanged. Mechanical behaviour and composition characteristics of fabric are determined both by laser motion direction in respect of warp or weft and laser energy density.Originality/valueThe carried-out analysis of scientific literature has shown that the effect of laser on the fabric surface is relevant both in scientific and practical terms: the scientific literature contains studies on absorptive properties of laser treated materials; however, the behaviour of materials after complex finishing has not been widely investigated thus far.
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