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The Journal of the Textile Institute, Part 2. Textile Economics, Management and Marketing
TextiLe Institute
The Journal of the Textile Institute, Part 2. Textile Economics, Management and Marketing

TextiLe Institute

半年刊

0400-5000

The Journal of the Textile Institute, Part 2. Textile Economics, Management and Marketing/Journal The Journal of the Textile Institute, Part 2. Textile Economics, Management and Marketing
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    A novel method for detecting polypropylene fibers in cotton yarns based on thermal properties and IR image processing

    Hiyam Saleh KhaddamGhandi Ghazi Ahmad
    757-764页
    查看更多>>摘要：Contamination of cotton yarns with foreign materials, such as polypropylene (PP) fibres, presents challenges in textile manufacturing. Conventional methods for detecting foreign fibres are often ineffective, particularly when the fibres are colourless or lack distinct visual characteristics. In this study, we propose a novel approach to detect PP fibres in cotton yarns by leveraging their differential thermal properties and employing infrared (IR) image processing. The method involves analysing temperature differentials between cotton and PP fibres when subjected to a heating source, followed by IR image processing to identify and quantify PP fibres. Experimental results demonstrate the feasibility and effectiveness of the proposed method in detecting PP fibres in cotton yarns.
      原文链接:
    • NETL
    • NSTL
    • Taylor & Francis

    Influence of acid hydrolysis on the degree of polymerization of cellulose from colored cotton substrates

    Aline Ferreira KnihsLarissa Klen AragaoBruna PortoJose Alexandre Borges Valle...
    765-771页
    查看更多>>摘要：This study investigated the influence of sulfuric acid hydrolysis on the cellulosic fibers and films' degree of polymerization (DP). Cotton textile residues (dyed and white) and hydrophilic cotton were used as the raw material. The films were formed by the dissolution of fibers in ionic liquid and regeneration in water. Results showed that dyed cotton residues required hydrolysis at 0.5 M sulfuric acid for 30min to achieve complete dissolution during viscosimetry assay. Due to different dyeing processes and chemical compositions, the color of the fibers influences the DP. Undyed samples submitted to hydrolysis had DP around 60% lower than samples without pretreatment. This effect was not observed when comparing films with and without hydrolysis, because the depolymerization occurs in the dissolution and regeneration step. This study expands the applicability of viscometry to colored substrates, serving as a starting point for future research on the impact of process parameters and dyes on cellulose polymerization.
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    A study of the effect of organic acids (gallic acid and ascorbic acid) on the coloration and functionalization of wool yarns with Millettia laurentii sawdust natural dye

    Siyamak SafapourMohd ShabbirLuqman Jameel RatherMohammed A. Assiri...
    772-783页
    查看更多>>摘要：Wastewater from the textile industry, especially the dyeing sector, is a major contaminant for aquatic ecosystems. Synthetic dye compounds and metal salts from leftover mordant and dyeing baths are washed into rivers, endangering aquatic life and the environment. In regards to the current study's examination of Millettia laurentii sawdust's potential as a natural color source, eco-friendly organic acids (gallic acid and ascorbic acid) were studied in conjunction with small amounts of metal salts (aluminum sulfate, stannous chloride, copper sulfate, and ferrous sulfate) for enhancing the color shade palette with simultaneous functionalization (antimicrobial and UV-protection) of wool yarns. The effects of metal salts up to ecologically permissible concentration limits on the dyeing and functional properties were assessed in combination with organic acids. The study focused on optimizing dyeing variables including pH (2-8), temperature (65-95 ℃), dye concentration (25-125% o.w.f.), and dyeing time (15-90min) using a one-factor-at-a-time (OFT) optimization by determining the color depth (K/S) values on the wool yarns. The optimized dyeing conditions were pH of 4, temperature of 95 ℃, dye concentration of 75.0% (o.w.f.), and dyeing time of 60min. The color characteristics (CIEL*a*b*c*h°) and fastness (Wash, rub, and light) properties are evaluated comparatively against control dyed wool yarns using standard methods. The antimicrobial activity of control dyed and mordanted dyed wool yarns was evaluated in terms of the percentage microbial reduction of bacterial colonies. Metal salts especially ferrous sulfate in conjunction with gallic acid (Fe/GA) provided the highest average color strength (13.50) with a maximum percentage microbial reduction of 96.67%. UV protection ability was assessed by an Australian and New Zealand standards (AS/NZS 4399: 1996) method in terms of UPF values. UV protection levels were significantly improved by using binary combinations of organic acids and metal salts with the maximum protection offered by Fe/GA (97.66) and Sn/GA (97.90). Dyeing outcomes were significantly impacted by the chemical structure of organic acids (gallic acid and ascorbic acid) and the type of metal salts; the research proposes a more environmentally friendly natural dyeing process for the textile industry.
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    Simple and facile fabrication of carboxymethylated cellulose nanofibrils one-side-coated cotton non-woven fabrics for beauty facial mask sheets

    Sehee LeeByoung-Min LeeYou-Ree NamHyeong Yeol Choi...
    784-792页
    查看更多>>摘要：In this study, we developed eco-friendly beauty facial mask sheets with improved absorbency and performance using a simple textile finishing process. Carboxymethyl cellulose nanofibrils (c-CNFs) were bar-coated onto cotton non-woven fabrics (COFs), transforming them into sheet-shaped structures. The resulting sheets exhibited enhanced tensile strength, water absorption, and durability. The weight of the sheets increased proportionally with the amount of coated c-CNFs, while their thickness decreased due to compression during the process. The addition of c-CNFs improved absorption capabilities, despite the formation of a non-porous structure. Furthermore, the sheets demonstrated longer drying times, reduced friction coefficients, and improved mechanical properties. Cytotoxicity evaluation confirmed the biocompatibility of the sheets. This study highlights the feasibility of producing eco-friendly beauty facial mask sheets with enhanced performance through a simplified textile finishing process using c-CNFs, offering potential applications in the cosmetics industry.
      原文链接:
    • NETL
    • NSTL
    • Taylor & Francis

    Standardization and optimization of concentration of different mordants on the dyeing efficiency of Lawsonia inermis (Henna) on silk fibre

    Aina BhatK. A. SahafA. H. SofiZ. I. Buhroo...
    793-798页
    查看更多>>摘要：The natural dye henna usually being recognized as lawsone is a red-orange pigment that has long been used for the coloration of skin and hair as well as textile materials. This natural colorant garners the attention of researchers throughout the globe for the coloration of textile materials due to the fact that its color can easily be harmonized with nature. In the current study, concentration of different mordants (ferrous sulphate, alum, copper sulphate, and citric acid) were standardized on silk fibre using henna dye. To obtain the results, the study was divided into two experiments. The dyed fibre samples were analyzed for absorbance, color coordinates color strength, and color fastness properties. In experiment-l, standardization of different mordants at different concentrations were done while dye percentage was kept constant at 15%. Based on colour and acceptability results, ferrous sulphate at 2 and 4% was selected. In experiment II, optimization of the level of ferrous sulphate at 2, 3, and 4% was used along with 15% henna dye. Based on the results, it was concluded that 15% of henna dye along with 3% of ferrous sulphate gave better results on silk fibre.
      原文链接:
    • NETL
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    Effect of air gap on sound absorption in layered composite structures produced of sustainable materials

    Muesluem ErolHuesnue Aydemir
    799-807页
    查看更多>>摘要：Numerous materials have been produced to isolate the noise that negatively impacts people's health and productivity at work. Some of these materials are not preferred for usage because they are expensive, inefficient, or harmful to the environment. In this study, composite materials were produced with waste chicken feathers (CF) and polyvinyl acetate (PVAC) binder in different mixture ratios. After CF was washed and cleaned, it was shredded into 2-3 mm lengths with a chopper. Then CF was mixed with PVAC binder and thermal bonding was applied. As a result of the process, composites with a thickness of 10 mm and dimensions of 15 cm x 15 cm were formed. These composite plates are supported by sandwich constructions made of various varieties of polyester-based felt (NW), knitted fabric (KF), leather (L), spacer fabric (SF), and air gap (AG5, AGIO, AG15) in thicknesses of 5, 10, and 15 mm. Impedance tubes with four microphones were used to evaluate the sound absorption coefficient and sound transmission loss values of these manufactured structures, and the resulting data were analyzed. According to this; The NW + CFC1 two-layer structure is 0.33 (500 Hz), but when a 15 mm thick air gap layer is added, it is seen that it increases to 0.85 (500 Hz). Other sandwich structures produced also show similar results. The best results were achieved with layered composite structures. Adding an air gap layer between the composite layers to increase sound absorption has improved results, especially at low frequencies. The air gap layer can significantly reduce production costs because it can be used instead of a material layer. The production of textile-based sound insulation structures from the waste material CF is also of great importance in terms of sustainability.
      原文链接:
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    Dispersion states of 1,2,3,4-butanetetracarboxylic acid in cotton fabrics and their affections on the overall reaction processes

    Hanchang HuXin WangTingwei CaiJiani Xu...
    808-816页
    查看更多>>摘要：The reactions between 1,2,3,4-Butanetetracarboxylic acid (BTCA) and cellulose is a solid heterogenous phase reaction and their reactivity is determined by the dispersion extent of BTCA in cellulose fibers. However, the crosslinking efficiency of BTCA to cellulose is not very high, especially when the curing temperature is below 160℃. In this study, we first analyzed the dispersion state of BTCA in pre-dried cotton fabrics under the different finishing concentrations and then discussed the effects of BTCA dispersion extent on the overall reactions from a kinetic perspective. The results indicated that BTCA molecules easily aggregated together under a high finishing concentration environment in cotton fabrics and thus difficultly diffused to the appropriate reaction sites to graft with cellulose, which reduced the kinetic constants of grafting reaction and made the grafting step become more important. On the other hand, the kinetic constants of grafting reaction were bigger than those of crosslinking reaction under a low finishing concentration condition, which demonstrated that the rate of whole reaction is determined by the rate of crosslinking reaction. Therefore, reduction of BTCA aggregation effect in cotton fabrics with the help of DMSO is beneficial to promote their overall reactions during the curing process and hence more satisfactory anti-wrinkle performance of treated cotton fabrics could be acquired.
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    Simulation of polymer solution slip motion and composite fiber fabrication in rotary jet spinning

    Xinyu HuangDa HongZhen ChenZhiming Zhang...
    817-824页
    查看更多>>摘要：Composite nanofibers are widely used as a novel nanomaterial in various fields, and the key technologies of preparation methods and equipment optimization have become the focus of research. Rotary jet spinning uses the centrifugal force generated by high-speed rotation to produce slip motion of two polymer solutions in the nozzle, and as the slip velocity increases, a rotating jet is eventually formed at the nozzle to eject the composite nanofibers. The slip motion of the polymer solution is one of the important factors affecting the rotating jet composite spinning, which directly affects the velocity distribution and flow stability of the polymer solution, and ultimately affects the morphology and quality of the composite nanofibers. By simulating the flow process of polymer solution inside the nozzle, the effect of slip motion on the flow of polymer solution is verified, which further illustrates that the rotational speed has the greatest influence on the preparation of composite nanofibers. Finally, PEO/PVA composite nanofibers were successfully prepared and collected by using a rotary jet spinning device in the range of 1500-3000 rpm, and the morphology and quality of the fibers were characterized and analyzed by scanning electron microscopy (SEM), which provided experimental bases for the simulation of the slip motion of the polymer solution and the study of composite fiber preparation.
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    Nanotechnologies past, present and future applications in enhancing functionality of medical textiles: a review

    Dehenenet Flatie TasswBantamlak BirlieTekalign Mamaye
    825-845页
    查看更多>>摘要：Nanotechnology has experienced considerable progress in the field of medicinal textiles in recent times, primarily through its utilization in specifically targeting diseases and delivering drugs. It provides a comprehensive pathway for addressing contemporary medical issues by employing materials that are smaller, faster, lighter, and more efficient. The utilization of polymeric nanofiber and nanoparticles to confer distinct properties onto textiles, either through coating or by incorporating drugs during spinning, imparts functional characteristics such as antimicrobial, UV-protective, wound dressing, hemostatic activity, and drug delivery. Numerous studies have been conducted on the application of nanotechnology in textiles, particularly in the realm of medical textiles. This review focuses on the emerging generation of promising polymeric nano carriers and nanoparticles that demonstrate active targeting, including microorganisms and UV rays, as well as capabilities such as blood clotting, controlled and stable drug release, hemostatic activity, and biocompatibility for in vivo studies.
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    Characterization of tensile properties of chain stitch structure fabric with negative Poisson's ratio yarn

    Mengmeng WuLiucheng WeiHaoyu ChenGuangyun He...
    846-851页
    查看更多>>摘要：Negative Poisson's ratio textiles have expanded deformation behavior and special mechanical properties under tension. According to the previous research, the negative Poisson's ratio effect of fabrics was always lower than yarns. The main reason was that negative Poisson's ratio yarns showed little structural deformation because of the fabric structures. In this study, chain stitch structure fabrics with negative Poisson's ratio yarns as inserted weft yarns were designed and prepared. The effect of inserted weft yarns, symmetrical and parallelization arrangement and density on the Poisson's ratio of chain stitch fabrics were tested and analyzed. The results showed that the negative Poisson's ratio effect of fabrics was as similar as yarns and yarns in fabric. When the knitting loops provided fixation role in the fabrics, the negative Poisson's yarns could also present obvious deformation behavior to successfully improve the expand effect of fabrics. Poisson's ratio and porosity of fabrics under cyclic stretching were carried out to study the structure and property stability. The chain stitch structure fabrics with negative Poisson's ratio are expected to provide more choices for improving the property and applicability.
      原文链接:
    • NETL
    • NSTL
    • Taylor & Francis