Abstract
Aiming at the classic problem of dyeing of polyester–cotton blended fabric one-bath one-step dyeing of PC blends with disperse dye after surface modification of cotton were studied. Surface modification of cotton was carried out using fibrous acetylation methods. The optimum value for surface modification was obtained with a concentration of acetylation agent 16% and time of reaction 2.5 h, gave a percent acetylation of 34. Surface chemistry and thermal decomposition were studied by using FTIR spectra and TGA. The tear strength crease recovery, pilling and abrasion resistance were evaluated. The experiment result of dyeing showed that the optimum value was obtained with dye concentration above 1% at a temperature of 120 °C warp tensile strength decreased by 12% and weft tensile strength was decreased by 9% from the control half-bleached fabric. Results of this study showed that one-step one bath dyed modified PC blend with disperse dye fabric presents good fastness property and color strength values compared with conventional two-bath dyed fabric.
Highlights
Polyester/cotton fabrics are widely used in the clothing industry and other application areas due to their complementary properties [1, 2]
PC blend dyed with disperse dye in one-bath one-step dyeing methods after surface modification of cotton by acetylating methods is studied
The experiment result of dyeing showed that the optimum value was obtained by dye concentration above 1% at temperature 120 °C, warp tensile strength decreased by about 12% and weft tensile strength was decreased by 9% from the control half-bleached fabric
Summary
Polyester/cotton fabrics are widely used in the clothing industry and other application areas due to their complementary properties [1, 2]. Polyester fibers deliver crease recovery, dimensional stability, abrasion resistance, tensile strength and easy-care properties, while cotton fibers give humidity absorption and anti-static characteristics and diminish pilling rolls. This makes polyester/cotton blends are famous due to their aesthetic value, user-friendly performance and limitations of both fibers are balanced adequately by blending these two fibers making a perfect blend [3, 4]. Muralidharan and Laya [10], found that Polyester/cotton blended fabrics are often coloured using a two-bath or onebath two-step dyeing process It discusses a new method for dyeing polyester/cotton blends utilizing dispersion and reactive dyes in a one-bath procedure that uses an azeotropic ternary mixture of organic solvents as a pretreatment. The polyester/cotton blended surface-modified fabrics dye uptake and dye-fiber bond formation is increase
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