Dimensional,physical and thermal comfort properties of plain knitted fabrics made from modal viscose yarns having microfibers and conventional fibers |
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| Authors: | Ahu Demiroz Gun |
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| Institution: | 1.Engineering Faculty, Textile Engineering Department,Usak University,Usak,Turkey |
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| Abstract: | The dimensional, some physical and thermal comfort properties of the plain knitted fabrics having modal viscose microfibers
in three different stitch lengths are investigated in comparison with the similar fabrics having conventional modal viscose
fibers. The fabrics made from microfibers and conventional fibers exhibit different dimensional properties. The stitch density
results and the dimensional constants calculated at the fully relaxed state reveal that the fabrics with microfibers tend
to have lower shrinkage tendency than those with conventional fibers. The statistical results show that the fiber type (or
fiber fineness) and the stitch length affect the some physical properties and all of the thermal comfort properties of the
fabrics significantly. The bursting strength values of the fabrics with microfibers are observed to be slightly higher than
those of the fabrics with conventional fibers. However, the difference between the bursting strength values of these fabrics
is found to be statistically unimportant. The fabrics with microfibers reveal lower thickness and air permeability and, higher
pilling tendency than those with conventional fibers. It is also observed from the thermal comfort results that the fabrics
made from microfibers have higher thermal conductivity, thermal absorptivity and maximum heat flux values and, lower thermal
resistance and thermal diffusivity values. Because of the higher thermal absorptivity and maximum heat flux values, the fabrics
from microfibers provide cooler feeling when compared with those from conventional fibers. |
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