Subjects -> TEXTILE INDUSTRIES AND FABRICS (Total: 41 journals)
    - CLOTHING TECHNOLOGY AND TRADE (6 journals)
    - TEXTILE INDUSTRIES AND FABRICS (35 journals)

CLOTHING TECHNOLOGY AND TRADE (6 journals)

Showing 1 - 4 of 4 Journals sorted by number of followers
Fashion Theory : The Journal of Dress, Body & Culture     Full-text available via subscription   (Followers: 27)
Textile : The Journal of Cloth and Culture     Hybrid Journal   (Followers: 18)
Clothing and Textiles Research Journal     Hybrid Journal   (Followers: 13)
Dress     Hybrid Journal   (Followers: 9)
Costume     Hybrid Journal   (Followers: 8)
Critical Studies in Men's Fashion     Hybrid Journal   (Followers: 4)
International Journal of Clothing Science and Technology     Hybrid Journal   (Followers: 3)
Similar Journals
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International Journal of Clothing Science and Technology
Journal Prestige (SJR): 0.318
Citation Impact (citeScore): 1
Number of Followers: 3  
 
Hybrid Journal Hybrid journal   * Containing 1 Open Access Open Access article(s) in this issue *
ISSN (Print) 0955-6222 - ISSN (Online) 1758-5953
Published by Emerald Homepage  [360 journals]
  • The effectiveness of compression garment in relieving muscular pain:
           a review

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      Authors: Shivangi Agarwal , Shalini Juneja
      Abstract: The purpose of this paper is to understand compression garment in the area of medical industry, compression garments were used initially for patients with circulatory problems. External pressure was created by compression garments on the body surface which prevents blood clots, leg swelling and improves venous hemodynamics. Compression rehabilitation is a significant element in the effective management of lower limb problems of people associated with venous, lymphatic, fat disorders like lipoedema. Compression garments have been attributed primarily for the increase in blood flow, improvement in recovery, reduction in muscle vibration that increase stability, improvement in thermoregulation, decrease in muscle pain, elimination of blood lactate and creatine kinase after exercise. Compression garments are extraordinary clothes that contain elastomeric yarns or fibers that are responsible for applying significant mechanical pressure on the required body surface for compressing, stabilizing and supporting underlying tissues.
      Citation: International Journal of Clothing Science and Technology
      PubDate: 2022-09-27
      DOI: 10.1108/IJCST-01-2022-0014
      Issue No: Vol. ahead-of-print , No. ahead-of-print (2022)
       
  • A new thermal protective clothing design with silica aerogel filled
           acrylic nanofibers

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      Authors: Pelin Altay , Selin Hanife Eryürük , Gülay Özcan , Didem Öztürk , Melda Naz Saral , Çağla Altınordu
      Abstract: Firefighters are exposed to high outdoor temperature and heat stress caused by metabolic activities during firefighting and should wear protective clothing to ensure their safety and health. Traditional firefighter protective suits are bulky and heavy garments with reduced thermal comfort properties since the fabric thickness and moisture barrier layers prevent heat transfer of the garment and cause additional heat stress. The aim of this study is to reduce heat stress by creating a new fabric design with silica aerogel membrane as a moisture barrier for three-layer fabric system. Polyacrylonitrile (PAN) nanofibers were produced with three different silica aerogel contents and used for three-layered clothing system as a moisture barrier for giving desired protectiveness and thermal comfort to firefighters. Different fabric combinations were designed using two types of outer shell fabrics, two types of moisture barrier fabrics, two types of thermal barrier fabrics and PAN/silica aerogel membranes. The results show that a lighter fabric system with improved wearer’s mobility and thermal comfort properties (thermal resistance and moisture permeability) is achieved with the use of PAN/silica aerogel membrane as an intermediate layer compared to commercial thermal protective fabric systems. Differently from traditional thermal protective clothing, which may not provide adequate protection in long-term heat conditions or when exposed to flash fire, a new thermal protective clothing has been developed to be used in extremely hot environments, providing desired technical and performance properties, ease to wear comfort.
      Citation: International Journal of Clothing Science and Technology
      PubDate: 2022-09-26
      DOI: 10.1108/IJCST-12-2020-0185
      Issue No: Vol. ahead-of-print , No. ahead-of-print (2022)
       
  • Construction of the PSO-LSSVM prediction model for sleeve pattern
           dimensions based on garment flat recognition

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      Authors: Tao Li , Yexin Lyu , Ziyi Guo , Lei Du , Fengyuan Zou
      Abstract: The main purpose is to construct the mapping relationship between garment flat and pattern. Particle swarm optimization–least-squares support vector machine (PSO-LSSVM), the data-driven model, is proposed for predicting the pattern design dimensions based on small sample sizes by digitizing the experience of the patternmakers. For this purpose, the sleeve components were automatically localized and segmented from the garment flat by the Mask R-CNN. The sleeve flat measurements were extracted by the Douglas–Peucker algorithm. Then, the PSO algorithm was used to optimize the LSSVM parameters. PSO-LSSVM was trained by utilizing the experience of patternmakers. The experimental results demonstrated that the PSO-LSSVM model can effectively improve the generation ability and prediction accuracy in pattern design dimensions, even with small sample sizes. The mean square error could reach 1.057 ± 0.06. The fluctuation range of absolute error was smaller than the others such as pure LSSVM, backpropagation and radial basis function prediction models. By constructing the mapping relationship between sleeve flat and pattern, the problems of the garment flat objective recognition and pattern design dimensions accurate prediction were solved. Meanwhile, the proposed method overcomes the problem that the parameters are determined by PSO rather than empirically. This framework could be extended to other garment components.
      Citation: International Journal of Clothing Science and Technology
      PubDate: 2022-09-22
      DOI: 10.1108/IJCST-06-2021-0076
      Issue No: Vol. ahead-of-print , No. ahead-of-print (2022)
       
  • Effect of surface modification of polyester fabric on microfiber shedding
           from household laundry

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      Authors: R. Rathinamoorthy , S. Raja Balasaraswathi
      Abstract: Synthetic textile materials are noted as one of the major contributors to microfiber pollution through laundry. Though many research works evaluated microfiber pollution, the solutions provided to control microfiber shedding are meager. The existing products collect or filter the microfiber from laundry effluent and restrict the direct leaching. However, no methods were proposed to effectively reduce the shedding from the textile itself. This research is aimed to analyze the influence of surface modification of polyester knitted textiles by sodium hydroxide, on microfiber shedding. Response surface methodology was adapted to optimize different treatment parameters (alkali concentration, treatment time and temperature). The results show that the sodium hydroxide concentration and treatment time had a negative correlation with microfiber shedding reduction. Whereas, treatment temperature had a positive correlation with microfiber shedding reduction. The statistical analysis revealed that 0.4 M concentration, 90°C temperature and 24 min of treatment time was the best process condition for minimum microfiber release. The same was confirmed with a practical experiment and a significant reduction of 80.63% in microfiber shedding after alkali treatment was found. Alkali treatment of different knitted polyester fabrics with various knit structures and mass per square meter showed a significant reduction in microfiber shedding. The repeated laundry performed for 20 washes with surface-modified samples showed a significant reduction in microfiber release at every wash cycle and ensured the longevity of the effect.
      Citation: International Journal of Clothing Science and Technology
      PubDate: 2022-09-16
      DOI: 10.1108/IJCST-05-2021-0064
      Issue No: Vol. ahead-of-print , No. ahead-of-print (2022)
       
  • Preferred local electrical heating and its effect on overall thermal
           response

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      Authors: Xue Chen , Zhaohua Zhang , Yutong Yang
      Abstract: The purpose of this paper is to explore the distribution of local thermal sensitivity of human body heating and the local preferred heating temperature, and the influence of this sensitive division on thermal response when heating human body in cold environment. Eight subjects were invited to use carbon fiber heating patches in an environment of 5 and RH 50%, and eight body parts were selected to explore the heating sensitivity. By measuring the skin temperature and evaluating the subjective thermal sensation and thermal comfort, the thermal sensitivity of local body segments and the influence of single-zone and double-zone heating on human thermal response were explored. The sensitivity of local heating on overall thermal sensation (OTS) was foot > back > chest > abdomen > waist > elbow > hand > knee. Both single-zone and double-zone heating can improve the OTS, but double-zone heating can reach thermal neutrality and thermal comfort. In order to prevent the high temperature of heating patches from damaging human body, the local skin temperature should be monitored in the design of local heating clothing, and 39.6 should be taken as the upper limit of local skin temperature. The results provide a theoretical basis for the selection of heating position in local electric heating clothing (EHC) and the design of intelligent temperature adjustment heating clothing, improve the performance of local EHC and reduce energy consumption.
      Citation: International Journal of Clothing Science and Technology
      PubDate: 2022-09-13
      DOI: 10.1108/IJCST-02-2022-0027
      Issue No: Vol. ahead-of-print , No. ahead-of-print (2022)
       
  • Comfort and performance improvement through the use of cooling vests for
           construction workers

         This is an Open Access Article Open Access Article

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      Authors: Paul Roelofsen , Kaspar Jansen
      Abstract: The purpose of this study is to analyze the question “In what order of magnitude does the comfort and performance improvement lie with the use of a cooling vest for construction workers'”. The use of personal cooling systems, in the form of cooling vests, is not only intended to reduce the heat load, in order to prevent disruption of the thermoregulation system of the body, but also to improve work performance. A calculation study was carried out on the basis of four validated mathematical models, namely a cooling vest model, a thermophysiological human model, a dynamic thermal sensation model and a performance loss model for construction workers. The use of a cooling vest has a significant beneficial effect on the thermal sensation and the loss of performance, depending on the thermal load on the body. Each cooling vest can be characterized on the basis of the maximum cooling power (Pmax; in W/m²), the cooling capacity (Auc; in Wh/m2) and the time (tc; in minutes) after which the cooling power is negligible. In order to objectively compare cooling vests, a (preferably International and/or European) standard/guideline must be compiled to determine the cooling power and the cooling capacity of cooling vests. It is recommended to implement the use of cooling vests in the construction process so that employees can use them if necessary or desired. Climate change, resulting in global warming, is one of the biggest problems of present times. Rising outdoor temperatures will continue in the 21st century, with a greater frequency and duration of heat waves. Some regions of the world are more affected than others. Europe is one of the regions of the world where rising global temperatures will adversely affect public health, especially that of the labor force, resulting in a decline in labor productivity. It will be clear that in many situations air conditioning is not an option because it does not provide sufficient cooling or it is a very expensive investment; for example, in the situation of construction work. In such a situation, personal cooling systems, such as cooling vests, can be an efficient and financially attractive solution to the problem of discomfort and heat stress. The value of the study lies in the link between four validated mathematical models, namely a cooling vest model, a thermophysiological human model, a dynamic thermal sensation model and a performance loss model for construction workers.
      Citation: International Journal of Clothing Science and Technology
      PubDate: 2022-09-06
      DOI: 10.1108/IJCST-08-2021-0104
      Issue No: Vol. ahead-of-print , No. ahead-of-print (2022)
       
  • Appearance and conductivity of weft-knitted unibody positioning flexible
           sensor

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      Authors: Fei Sun , Haisang Liu , Yuqin Din , Honglian Cong , Zhijia Dong
      Abstract: The purpose of this research is to propose a flexible sensor with a weft-knitted float stitch structure and to explore knitting techniques that allow conductive yarns to be skin-tight and less exposed, reducing production processes and increasing productivity. Study its electrical conductivity in different yarn materials, knit processes and deformation ranges. The analysis is compared to provide some basis for the design of the electrodes. The method includes five operations: (1) Analysis of the morphological appearance, tensile variation, fiber material properties and electrical conductivity of high-elastic and filament silver-plated conductive yarns. (2) Based on the knitting process of the floating yarn structure, three-dimensional modeling of the flexible sensor was carried out to explore the influence of knitting process changes on appearance characteristics. (3) The fabric samples are knitted by different silver-plated conductive yarns with different structures. Processing of experimental samples to finished size by advance shrinkage. (4) Measure the resistance of the experimental sample after the machine has been lowered and after pre-shrinking. Use the stretching machine to simulate a wearing experiment and measure the change in resistance of the sample in the 0–15% stretching range. (5) Analyze the influence factors on the conductive performance of the flexible sensor to determine whether it is suitable for textile flexible sensors. For the float knitted flexible sensors, the floating wire projection is influenced by the elasticity of the fabric and the length of the floating wire. Compared to the plain knitted flexible sensors, it has less resistance variation and better electrical properties, making it suitable for making electrodes for textile structures. In addition, the knitting method is integrated with the intelligent monitoring clothing, which saves the process for the integration of the flexible sensor, realizes positioning and fixed-point knitting. The sensor technology of the designed weft-knitted float structure is varied and can be freely combined and designed in a wide range. Within the good electrical conductivity, the flexible sensor can realize integrated knitting, positioning monitoring, integrating into the appearance of clothing. It can also focus on the wearing experience of wearable products so that the appearance of the monitoring clothing is close to the clothes we wear in our daily life. In this paper, an integrated positioning knitting flexible sensor based on the weft knitting float structure is studied. The improved knitting process allows the sensing contact surface to be close to the skin and reduces the integration process. The relationship between the exposure of the silver-plated yarn on the clothing surface and the electrical conductivity is analyzed. Within a certain conductive performance, reduces the exposed area of the conductive yarn on the clothing surface and proposes a design reference for the flexible sensor appearance.
      Citation: International Journal of Clothing Science and Technology
      PubDate: 2022-09-01
      DOI: 10.1108/IJCST-03-2022-0039
      Issue No: Vol. ahead-of-print , No. ahead-of-print (2022)
       
  • Research on the experiment and prediction method of clothing energy
           consumption based on TS-SVR

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      Authors: Xiuwu Sui , Qijun Liu , Fangteng Zhang
      Abstract: At present, the research on energy consumption of human clothing mainly focuses on behavior observation method, questionnaire survey method, heart rate monitoring method and electronic motion sensor, etc. In order to solve the problem of energy consumption caused by clothing with different characteristics, an identification method of energy consumption for different types of clothing was proposed. The model robot was designed to reproduce the motion state by simulating the human body in the working mode, and the protective energy consumption test platform was built. In order to explore the influence of different characteristics of clothing on the energy consumption of equipment system, orthogonal experiments were carried out on the model robot experimental platform, and a mathematical model for predicting the energy consumption of clothing based on Tabu search algorithm to optimize support vector machine regression (TS-SVR) optimized by tabu algorithm was proposed. Compared with three regression prediction algorithms, the accuracy of the model was quantified by the determination coefficient and root mean square error according to the predicted value of the model and the actual value of the experiment. The results showed that the model based on TS-SVM can predict the energy consumption of human body more accurately. Based on TS-SVR model, it can well predict the relationship between clothing with different characteristics and physical energy consumption, and can accurately evaluate the clothing grade of different characteristics.
      Citation: International Journal of Clothing Science and Technology
      PubDate: 2022-08-24
      DOI: 10.1108/IJCST-05-2021-0069
      Issue No: Vol. 34 , No. 6 (2022)
       
  • Effect of selected production parameters on yarn evenness, imperfections
           and tensile properties of core spun vortex yarns

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      Authors: Gizem Karakan Günaydın
      Abstract: The paper aims to provide an investigation about the effect of some selected production parameters such as core yarn type, sheath sliver type and total yarn count factors on core spun vortex yarns' evenness, imperfection and tensile properties. Hence it is aimed to contribute to the literature in vortex spinning where there are limited works related to core-spun vortex spinning. The paper evaluates the effect of core yarn type, sheath sliver type and total yarn count factors on yarn evenness, imperfections, hairiness and tensile properties. Completely randomised three-factor analysis of variance (ANOVA) was conducted in order to evaluate the effect of core yarn type, sheath sliver type and linear yarn density on core spun vortex yarns' evenness, imperfection and tensile properties at significance level of 0.05. SNK tests were also performed for observing the means of each parameter. Correlation analysis was also conducted to reveal some relationships between yarn evenness and yarn tensile properties. In this paper, significant factors related to some production parameters affecting the core-spun vortex yarns' evenness, imperfection, hairiness and tensile properties were found. There are limited works related to effect of selected production parameters on yarn evenness, Imperfections and Tensile Properties of Hybrid Vortex Yarns.
      Citation: International Journal of Clothing Science and Technology
      PubDate: 2022-08-22
      DOI: 10.1108/IJCST-08-2021-0116
      Issue No: Vol. 34 , No. 6 (2022)
       
  • A 2D image body measurement system developed with neural networks and a
           color-coded measurement garment

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      Authors: Sibei Xia , Jiayin Li , Cynthia L. Istook , Andre J. West
      Abstract: Two-dimensional (2D) measurement technology has become more popular than before, thanks to the widespread availability of smartphones and smart devices. However, most existing 2D body measurement systems have background constraints and may raise privacy concerns. The purpose of this research was to test the idea of designing a 2D measurement system that works with a color-coded measurement garment for background removal and privacy protection. Clothing consumers can use the proposed system for daily apparel shopping purposes. A 2D body measurement system was designed and tested. The system adopted a close-fitted color-coded measurement garment and used neural network models to detect the color-code in the garment area and remove backgrounds. In total, 78 participants were recruited, and the collected data were split into training and testing sets. The training dataset was used to train the neural network and statistical prediction models for the 2D system. The testing dataset was used to compare the performance of the 2D system with a commercial three-dimensional (3D) body scanner. The results showed that the color-coded measurement garment worked well with the neural network models to process the images for measurement extraction. The 2D measurement system worked better at close-fitted areas than loose-fitted areas. This research combined a color-coded measurement garment with neural network models to solve the privacy and background challenges of the 2D body measurement system. Other researchers have never studied this approach.
      Citation: International Journal of Clothing Science and Technology
      PubDate: 2022-08-15
      DOI: 10.1108/IJCST-08-2021-0114
      Issue No: Vol. 34 , No. 6 (2022)
       
  • Zoning design of pressure comfort for women's shaping pants based on a new
           material made by the LRJ40/1F warp-knitting machine

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      Authors: Wei Yin
      Abstract: Zoning design of pressure comfort of women's shaping pants is studied in this paper based on the new material made by the LRJ40/1F warp-knitting machine. According to the distribution of body fat and the pressure comfort range of the shaping pants, zoning design is carried out. The pressure comfort of the women's shaping pants is tested by the objective pressure test and the subjective evaluation method. The result is that using the method of zoning design can satisfy the comfort of the lower limbs while improving the mobility and plasticity. Pressure comfort has become an important index to evaluate the comfort of elastic shaping pants. However, there were very few studies on the relationship between the pressure comfort of warp-knitted elastic pants and the design of jacquard organization in China and abroad.
      Citation: International Journal of Clothing Science and Technology
      PubDate: 2022-08-15
      DOI: 10.1108/IJCST-04-2021-0055
      Issue No: Vol. 34 , No. 6 (2022)
       
  • Effect of far-infrared fabrics on proliferation and invasion of breast
           cancer cells

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      Authors: Yifei Mu , Zimin Jin , Yuxiu Yan , Jianwei Tao
      Abstract: In order to study whether far-infrared fabrics can be used as a garment for breast cancer patients, or as an adjuvant rehabilitation underwear for breast cancer patients after postoperative radiotherapy and chemotherapy, to eliminate tissue edema. To explore the effect of different far-infrared fabrics on the proliferation and invasion of breast cancer cells as a basic in vitro study. Six kinds of fabrics of the same specification with different far-infrared nanoparticles were selected. MCF7 and Bcap37 breast cancer cells were used to study the effect of far-infrared fabrics on cell proliferation and invasion. Six kinds of far-infrared fabrics were used to culture breast cancer cells and explore their effects on breast cancer cell growth and the difference between different far-infrared fabrics. It is found that the far-infrared emissivity of six kinds of fabrics are different, among which tea carbon fabric is the highest, followed by volcanic fabric, graphene fabric and biomass graphene fabric are the lowest. The results show that the far-infrared fabrics can significantly inhibit the proliferation and invasion of breast cancer cells, the higher the far-infrared emissivity is, and the longer the time of far-infrared radiation, the more significant the inhibition effect is. Far-infrared fabrics can inhibit proliferation and invasion of breast cancer cells in vitro. Therefore, far-infrared fabrics can be used for adjuvant rehabilitation of breast cancer patients. This conclusion provides a basis for the application of far-infrared functional fabrics in the medical field. This conclusion provides a basis for the application of far-infrared functional fabrics in medical field.
      Citation: International Journal of Clothing Science and Technology
      PubDate: 2022-08-11
      DOI: 10.1108/IJCST-10-2021-0156
      Issue No: Vol. 34 , No. 6 (2022)
       
  • Applying Kansei engineering to the design of headwear pieces with
           traditional shape features

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      Authors: Hung-Cheng Tsai , Yuan-Chin Hsu
      Abstract: It is desirable that shape appeal in craft design takes people's cultural and emotional influencers into consideration. Five Royal Lords worship, prevalent in the southwest coastal part of Taiwan and a source of religious and spiritual support to the local residents, offers such a shape appeal. This study takes the design of Taiwan's cultural handicrafts as the main point of discussion and uses Kansei engineering with semantic technique to promote the linkage between shape and the mental image of the Five Royal Lords' headwear. There are only two types of traditional headwear for the Five Royal Lords: the Imperial Crown and Lord Crown, despite the different personal characteristics of the five deities. This study aims to design a crown for each that matches their individuality. In the first stage of the research process, the Kawakita Jiro method was used to arrive at appropriate descriptions representative of the deities' individuality. Fuzzy set theory was then applied to convert the relationship between the representative descriptions and headwear shape features into a quantitative one, after which the headwear could be redesigned and validated. The study results show that: (1) analysis of the relationship between shape features and representative deity descriptions offered guidance to the redesign. (2) A method combining fuzzy theory and description terms could generate quantitative data that helped to provide design suggestions and result validation, supporting both scientific rationality and designers' sensibility. (3) The validation revealed that the redesigned headwear was better than the original headwear. The study successfully established a design and development process featuring collaboration by folklore experts, designers, craftspeople and worshippers, and helping to promote new cultural product development. The success of the research process can serve as a reference to the development of other different products with shape features.
      Citation: International Journal of Clothing Science and Technology
      PubDate: 2022-08-09
      DOI: 10.1108/IJCST-08-2021-0118
      Issue No: Vol. 34 , No. 6 (2022)
       
  • Providing antibacterial properties to denim and non-denim trousers with
           encapsulation technology

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      Authors: İsmail İvedi , Bahadır Güneşoğlu , Sinem Yaprak Karavana , Gökhan Erkan , Gülşah Ekin Kartal , Ayse Merih Sariisik
      Abstract: The aim was to prepare antibacterial microcapsules and transferred to denim and non-denim (canvas) trousers. For this purpose, lavender and sweet almond oil as active agents were encapsulated with ethylcellulose shell with a spray dryer method and carried out capsule optimization studies. The particle diameter of the capsules ranged between 0.61 and 8.76 µm, SPAN value was 1.608 and the mean particle size was 4 µm. The mass yields of capsules ranged between 35.0 and 75.4 %w/w. Denim fabrics were treated with prepared capsules by exhaustion and spraying methods. It was seen that microcapsules provided a reduction of bacteria by over 97% against both Staphylococcus aureus and Escherichia coli and the fabrics still showed an antibacterial effect after five washing cycles. When application methods were compared, the spraying method was found to be more sustainable process than exhaustion and could be used as an alternative for reducing energy consumption and capsules could provide antibacterial properties to the fabrics.
      Citation: International Journal of Clothing Science and Technology
      PubDate: 2022-07-19
      DOI: 10.1108/IJCST-12-2021-0175
      Issue No: Vol. 34 , No. 6 (2022)
       
  • The mathematical model of men’s garment prototype

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      Authors: Chun Zhu , Kaixuan Liu , Ruolin Wang , Jianping Wang , Pascal Bruniaux , Xianyi Zeng
      Abstract: The purpose of this paper is to build a mathematical model of men’s wear prototype, so that the computer can draw men’s wear prototype automatically. First, the bust line, front and back center line, waist line, side seam, front chest width and back width line in the coordinate system are expressed by equations. Then, a parabola is used to establish a neckline curve, a linear equation is used to establish a shoulder oblique line, and a double ellipse is superposed to construct the armhole arc. Finally, all the garment prototype curves are built mathematical models. The result shows that every curve of garment prototype can be expressed approximately by mathematical model. This research lays the foundation for the automation and intelligence of garment pattern-making.
      Citation: International Journal of Clothing Science and Technology
      PubDate: 2022-07-07
      DOI: 10.1108/IJCST-04-2021-0050
      Issue No: Vol. 34 , No. 6 (2022)
       
  • Psychological response to changes in temperature and humidity near the
           skin in the environments between thermo-neutral and hot

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      Authors: Mayumi Uemae , Tomohiro Uemae , Masayoshi Kamijo
      Abstract: The purpose of this study was to investigate the psychological response to changes in temperature and humidity near the skin, and the psychological factors of thermal discomfort. The experiments involved changing the temperature and humidity from a neutral to a hot-humid environment, and vice versa, every 30 min. The psychological response to temperature (which ranged from 24 to 40°C) and humidity (which ranged from 30 to 80% relative humidity) was investigated. The sensory scores shifted according to the direction of the change in temperature and humidity. The environment seemed to be evaluated relatively, whereby the sensory perception was dependent on the prior thermal environment. The psychological response to changes in temperature and humidity near the skin tended to shift from simple situational perceptions, such as feeling hot, to stifling and uncomfortable perceptions, and finally to the perception of dullness. Examining the psychological components revealed that the uncomfortable feeling was affected by “stifling” and “sweaty” perceptions with increasing temperature, by “stifling”, “sweaty”, and “sticky” perceptions with decreasing temperature, by “stifling”, “dull”, “sticky”, and “hot” perceptions with increasing humidity, and by “sweaty”, “dull”, and “humid” perceptions with decreasing humidity. This study identified the psychological response that accompanies changes in temperature and humidity near the skin, as well as the psychological components of discomfort associated with changes in temperature and humidity. These results provide insights into the microclimate and thermal comfort of clothing.
      Citation: International Journal of Clothing Science and Technology
      PubDate: 2022-07-06
      DOI: 10.1108/IJCST-08-2021-0108
      Issue No: Vol. 34 , No. 6 (2022)
       
  • Production of CS-g-PNIPAM copolymer and stimuli responsive and
           antibacterial cotton fabric

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      Authors: Sena Demirbağ Genç , Sennur Alay-Aksoy
      Abstract: In this study, fabrication of polymer and cotton fabric exhibiting stimuli-responsive wetting and water vapor permeability features together with antibacterial activity was aimed. Temperature and pH-responsive poly(N-isopropyl acrylamide-graft-chitosan) (PNIPAM-g-CS) copolymer were produced via the free radical addition polymerization method and fixed to the cotton fabric using butane tetracarboxylic acid (BTCA) cross-linker by double-bath impregnation method. The chemical structure of the graft copolymer was characterized by Fourier-transform infrared spectroscopy (FT-IR) spectroscopy and H-Nuclear magnetic resonance (1H NMR) analyses. Thermo-responsive behavior of the fabric was investigated by wetting time and water uptake tests, contact angle measurement and surface energy calculation. Additionally, antibacterial activity of the fabric treated with copolymer was studied against S. aureus bacterium. PNIPAM-g-CS graft copolymer was synthesized successfully, which had lower critical solution temperature (LCST) value of 32 °C and exhibited thermo-responsive property. The treated fabrics exhibited hydrophilic character at temperatures below the LCST and hydrophobic character at temperatures above the LCST. It was found that polymer-coated fabric could have regulated the water vapor permeability by the change in its pore size and hydrophilicity depending on the temperature. Additionally, treated fabric displayed a pH-responsive water absorption behavior and strong antibacterial activity against S.aureus bacterium. In the study, it has been shown that the cotton fabrics can be fabricated which have antibacterial activity and capable of pH and temperature responsive smart moisture/water management by application of copolymer. It is thought that the fabric structures developed in the study will be promising in the production of medical textile structures where antibacterial activity and thermophysiological comfort are important.
      Citation: International Journal of Clothing Science and Technology
      PubDate: 2022-06-14
      DOI: 10.1108/IJCST-08-2021-0105
      Issue No: Vol. 34 , No. 6 (2022)
       
  • Finite element modeling and simulating pilling of polyester
           fabric

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      Authors: Qi Xiao
      Abstract: The paper aims to build a finite element simulation model for pilling of polyester hairiness on the fabric to study the effects of hairiness performance on pilling and reveal pilling mechanisms. The finite element simulation model of pilling of polyester hairiness was established by ABAQUS. Polyester hairiness was treated as elastic thin rod, which was divided by two-node linear three-dimensional truss element. The effects of hairiness elastic modulus, hairiness friction coefficient and hairiness diameter on frictional dissipation energy, strain energy and kinetic energy produced by pilling have been studied. The analysis solution values were compared with the finite element simulation results, which was used to verify finite element simulation. The paper provides new insights about how to reveal pilling mechanisms of polyester hairiness with different performance. Comparing finite element simulation results with analysis solutions shows that the fitness is greater than 0.96, which verifies finite element simulation. Larger hairiness elastic modulus gives rise to higher friction dissipation energy and strain energy of hairiness but lower kinetic energy. Increasing friction coefficient enhances friction dissipation and strain energy of hairiness. However, kinetic energy decreases with the increase of friction coefficient. Hairiness diameter also has an important effect on hairiness entanglement and pilling. Increasing hairiness diameter can decrease friction dissipation energy but enhance strain energy and kinetic energy. Finite element simulation was verified by analysis solutions. The solutions include friction dissipation energy, strain energy and kinetic energy, which cannot measured b experiment. Therefore, researchers are encouraged to simulate pilling to obtain pilling grades, which be compared with experiment results. Pilling of polyester hairiness was simulated by ABAQUS. This method makes pilling process visualization, and pilling mechanisms was revealed from non-linear dynamics.
      Citation: International Journal of Clothing Science and Technology
      PubDate: 2022-06-14
      DOI: 10.1108/IJCST-10-2021-0148
      Issue No: Vol. 34 , No. 6 (2022)
       
  • International Journal of Clothing Science and Technology

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