“…There are several important mechanical properties in fabric, one of them is bursting strength, which is generally associated with knitted fabrics, or breaking strength with woven fabrics [ 33 , 34 ]. Figure 8 shows that the 66.7% polycarbonate–33.3% polyacrylic fabric has a higher bursting strength compared with the 0% polycarbonate–100% polyacrylic fabric and the 50% polycarbonate–50% polyacrylic fabric.…”
Thermal signature reduction in camouflage textiles is a vital requirement to protect soldiers from detection by thermal imaging equipment in low-light conditions. Thermal signature reduction can be achieved by decreasing the surface temperature of the subject by using a low thermally conductive material, such as polycarbonate, which contains bisphenol A. Polycarbonate is a hard type of plastic that generally ends up in dumps and landfills. Accordingly, there is a large amount of polycarbonate waste that needs to be managed to reduce its drawbacks to the environment. Polycarbonate waste has great potential to be used as a material for recycled fibre by the melt spinning method. In this research, polycarbonate roofing-sheet waste was extruded using a 2 mm diameter of spinnerette and a 14 mm barrel diameter in a 265 °C temperature process by using a lab-scale melt spinning machine at various plunger and take-up speeds. The fibres were then inserted into 1 × 1 rib-stitch knitted fabric made by Nm 15 polyacrylic commercial yarns, which were manufactured by a flat knitting machine. The results showed that applying recycled polycarbonate fibre as a fibre insertion in polyacrylate knitted fabric reduced the emitted infrared and thermal signature of the fabric.
“…There are several important mechanical properties in fabric, one of them is bursting strength, which is generally associated with knitted fabrics, or breaking strength with woven fabrics [ 33 , 34 ]. Figure 8 shows that the 66.7% polycarbonate–33.3% polyacrylic fabric has a higher bursting strength compared with the 0% polycarbonate–100% polyacrylic fabric and the 50% polycarbonate–50% polyacrylic fabric.…”
Thermal signature reduction in camouflage textiles is a vital requirement to protect soldiers from detection by thermal imaging equipment in low-light conditions. Thermal signature reduction can be achieved by decreasing the surface temperature of the subject by using a low thermally conductive material, such as polycarbonate, which contains bisphenol A. Polycarbonate is a hard type of plastic that generally ends up in dumps and landfills. Accordingly, there is a large amount of polycarbonate waste that needs to be managed to reduce its drawbacks to the environment. Polycarbonate waste has great potential to be used as a material for recycled fibre by the melt spinning method. In this research, polycarbonate roofing-sheet waste was extruded using a 2 mm diameter of spinnerette and a 14 mm barrel diameter in a 265 °C temperature process by using a lab-scale melt spinning machine at various plunger and take-up speeds. The fibres were then inserted into 1 × 1 rib-stitch knitted fabric made by Nm 15 polyacrylic commercial yarns, which were manufactured by a flat knitting machine. The results showed that applying recycled polycarbonate fibre as a fibre insertion in polyacrylate knitted fabric reduced the emitted infrared and thermal signature of the fabric.
“…The results show that the bursting strength of interlock fabric is higher than jersey and pique fabric. Moreover, the bursting strength of pique fabric is found to be higher than that of single jersey fabric [17] Oguz et al investigated the bursting strength of viloft/polyester blended weft-knitted single jersey and 1 × 1 rib fabric. They use different percentages of viloft/polyester 0/100, 33/67, 50/50, 67/33, and 100/0 for the manufacturing of 30/1 ring spinning yarn.…”
Finishes bring an alteration to the physical and comfort properties of the textiles. That’s why various finishes are used to impart various functionalities to the fabric surface. However, it may also affect some properties. The purpose of this study is to investigate the effect of various finishes on pilling, mass per unit area, bursting strength, and wicking behavior of the polyester weft-knitted jersey fabric. Herein, 100% spun polyester weft-knitted plain jersey fabric was exposed to different finish treatments to check their effect on the some physical and comfort properties of the fabric like mass per unit area, pilling behavior, bursting strength, and wicking properties of the weft-knitted jersey fabric. The fabric used was knit from 24/1, 100% spun polyester yarn on the single knit circular knitting machine. The developed fabric was washed on Fong machine. Finishes are applied on fabric by “Monofort Stanter” machine. The resultant fabric was characterized by random tumble pilling tester, bursting strength tester, and wicking tester to analyze their pilling grade, bursting strength, and wicking behavior respectively. A significant increase has been found in wicking behavior, mass per unit area, and bursting strength of the fabric after finishing treatments. Moreover, the wicking finish shows the highest reduction in pilling grade from 3.5 to 2.5. Significant improvement has been observed in bursting strength by all finish’s treatment. However, wicking finish treatment results in the highest increase in bursting strength of 4.2%. Significant improvement has been observed in the vertical wicking speed of all treatment except silicon finish which significantly reduces vertical wicking rate. However, the wicking finish (Recipe E) shows the highest increase in wicking rate by 13.75 times as compared to grey fabric.
“…Another study reported on impact of different knit structures and fiber contents on bursting strength and extension [9]. However, none of the previous studies examined three types of knits for different fiber contents collectively to demonstrate the differing behavior for horizontal wicking.…”
The study examined pre and post wash horizontal wicking of interlock, jersey and pique knits in various fiber-contents using AATCC 198-2013. Impact of weight, thickness and count was also examined. Multiple regression, paired t-test and repeated measure one factor test were used to test the hypotheses. Findings revealed that collectively all types of knits had higher wicking in post than pre-wash state. Differences were significant for different knit structures for different fiber contents. Effect of wash as well as type of knit was found to be significant. Weight, thickness and count contributed differentially to the wicking ability of knits in pre and post wash settings. Results have implications for future research and use where comfort and moisture management are important considerations.
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