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  • 1.
    Agnhage, Tove
    et al.
    University of Borås, Faculty of Textiles, Engineering and Business.
    Nierstrasz, Vincent
    University of Borås, Faculty of Textiles, Engineering and Business.
    Zhou, Yuyang
    University of Borås, Faculty of Textiles, Engineering and Business. Soochow University.
    Guan, Jinping
    Soochow University.
    Perwuelz, Anne
    ENSAIT.
    Behary, Nemeshwaree
    ENSAIT.
    Bioactive and multifunctional textile using plant-based madder dye: Characterization of UV protection ability and antibacterial activity2017In: Fibers And Polymers, ISSN 1229-9197, E-ISSN 1875-0052, ISSN 1229-9197, Vol. 18, no 11, p. 2170-2175Article in journal (Refereed)
  • 2. Bidgoli, H.
    et al.
    Zamani, A.
    Jeihanipour, A.
    Taherzadeh, M.J.
    University of Borås, School of Engineering.
    Preparation of carboxymethyl cellulose superabsorbents from waste textiles Fibers and Polymers2014In: Fibers And Polymers, ISSN 1229-9197, E-ISSN 1875-0052, Vol. 15, no 3, p. 431-436Article in journal (Refereed)
    Abstract [en]

    Production of superabsorbent polymers from cotton and viscose waste textiles was investigated. The cellulose wastes were carboxymethylated, crosslinked by divinylsulfone, and then converted to superabsorbent material using air-drying, freeze-drying, or air-drying after phase inversion. The separation of cellulose from synthetic polymers in the textile (polyester) was carried out by direct dissolution of cellulose in N-methylmorpholine-N-oxide (NMMO), or separation by dissolution in water after carboxymethylation of the textiles. The progress of the carboxymethylation reaction was evaluated by measurement of the degree of substitution (DS) of carboxymethyl cellulose (CMC). The DS values of 0.50–0.86 confirmed the prosperous substitution of hydrophilic carboxymethyl groups into the cellulosic chains. The water binding capacity and the swelling rate of the superabsorbents prepared under different conditions were measured. Under the best condition the superabsorbent obtained from waste textiles showed an ultimate water binding capacity of 541 g/g which was notably higher than that of the reference superabsorbent derived from cotton linter (470 g/g). The amount of absorbed water by this product exceeded that of the reference sample after 60 min immersion.

  • 3. Erem, Aysin Dural
    et al.
    Ozcan, Gulay
    Skrifvars, Mikael
    University of Borås, School of Engineering.
    Cakmak, Mukerrem
    In vitro assesment of antimicrobial activity and characteristics of polyamide 6/silver nanocomposite fibers2013In: Fibers And Polymers, ISSN 1229-9197, E-ISSN 1875-0052, Vol. 14, no 9, p. 1415-1421Article in journal (Refereed)
    Abstract [en]

    In this study, the preparation method and characteristics of silver (Ag) nanoparticle (NP) loaded polyamide 6 (PA6) nanocomposite and its antimicrobial activity against Klebsiella pneumonia and Staphylococcus aureus were investigated. The melt intercalation method was used to prepare a series of PA 6 nanocomposite fibers containing, 0; 1; 3; 5 % (wt.) Ag. PA6/Ag nanocomposite fibers exhibit increased antimicrobial efficiency with the increase of nanoparticle contents. On the other hand, thermal characterization tests show that the increased concentration of Ag nanoparticles reduces the mechanical properties due to their partial agglomeration leading to flaw generation. The crystallinity of the fibers was found to decrease about 10 % with increase of Ag to 5 %. This was attributed to faster cooling rate experienced in the presence of high thermal conductivity Ag particles.

  • 4. Erem, Aysin
    et al.
    Ozcan, Gulay
    Skrifvars, Mikael
    University of Borås, School of Engineering.
    Cakmak, Mukerrem
    In vitro assesment of antimicrobial activity and characteristics of polyamide 6/silver nanocomposite fibers2013In: Fibers And Polymers, ISSN 1229-9197, E-ISSN 1875-0052, Vol. 14, no 9, p. 1415-1421Article in journal (Refereed)
    Abstract [en]

    In this study, the preparation method and characteristics of silver (Ag) nanoparticle (NP) loaded polyamide 6 (PA6) nanocomposite and its antimicrobial activity against Klebsiella pneumonia and Staphylococcus aureus were investigated. The melt intercalation method was used to prepare a series of PA 6 nanocomposite fibers containing, 0; 1; 3; 5 % (wt.) Ag. PA6/Ag nanocomposite fibers exhibit increased antimicrobial efficiency with the increase of nanoparticle contents. On the other hand, thermal characterization tests show that the increased concentration of Ag nanoparticles reduces the mechanical properties due to their partial agglomeration leading to flaw generation. The crystallinity of the fibers was found to decrease about 10 % with increase of Ag to 5 %. This was attributed to faster cooling rate experienced in the presence of high thermal conductivity Ag particles.

  • 5.
    Seipel, Sina
    et al.
    University of Borås, Faculty of Textiles, Engineering and Business.
    Yu, Junchun
    University of Borås, Faculty of Textiles, Engineering and Business.
    Viková, Martina
    Technical University of Liberec.
    Vik, Michal
    Technical University of Liberec.
    Koldinská, Marie
    Technical University of Liberec.
    Havelka, Antonin
    Technical University of Liberec.
    Nierstrasz, Vincent
    University of Borås, Faculty of Textiles, Engineering and Business.
    Color performance, durability and handle of inkjet-printed and UV-cured photochromic textiles for multi-colored applications2019In: Fibers And Polymers, ISSN 1229-9197, E-ISSN 1875-0052, Vol. 20Article in journal (Refereed)
    Abstract [en]

    The development and design of novel functional and smart textile materials such as textile sensors and multicolored systems based on photochromic dyes necessitate controls of color intensities, switching speeds, and material durability. Precise control and synchronization of dye kinetics are important for multi-colored photochromic applications especially. However, durability towards abrasion and washing should not be compromised on if we aim to design reliable future textile products. In this study, two different commercial photochromic dyes — a naphthopyran and a spirooxazine-based dye — have been applied on PET fabric by inkjet printing and UV-LED curing. The photochromic textiles’ color behavior, fastness to abrasion and washing, and handle are evaluated using spectrophotometry, scanning electron microscopy, and Kawabata evaluation system. Despite a decrease in color performance after washing, the photochromic inkjet print is effective and barely influences the textile structure. Reduced rigidity of the host matrix promoted higher color yields and faster dye kinetics, but also improved durability towards abrasion and washing. In order to synchronize kinetics of the different dye types for multi-colored applications, distinct curing conditions are preferable, which, however, result in varying print durability. In the design of multi-colored photochromic textiles, dye kinetics, and durability have to be balanced.

  • 6.
    Tadesse, Melkie Getnet
    et al.
    University of Borås, Faculty of Textiles, Engineering and Business. Faculty of Textiles, Leather & Industrial Management.
    Chen, Yan
    The College of Textile and Clothing Engineering, Soochow University.
    Wang, Lichuan
    The College of Textile and Clothing Engineering, Soochow University.
    Nierstrasz, Vincent
    University of Borås, Faculty of Textiles, Engineering and Business.
    Loghin, Carmen
    Faculty of Textiles, Leather & Industrial Management.
    Tactile Comfort Prediction of Functional Fabrics from Instrumental Data Using Intelligence Systems2019In: Fibers And Polymers, ISSN 1229-9197, E-ISSN 1875-0052, Vol. 20, no 1, p. 199-209Article in journal (Refereed)
    Abstract [en]

    Subjective and objective evaluations of the handle of textile materials are very important to describe its tactile comfort for next-to-skin goods. In this paper, the applicability of artificial neural network (ANN) and adaptive neuro-fuzzy inference system (ANFIS) modeling approaches for the prediction of the psychological perceptions of functional fabrics from mechanical properties were investigated. Six distinct functional fabrics were evaluated using human subjects for their tactile score and total hand values (THV) using tactile and comfort-based fabric touch attributes. Then, the measurement of mechanical properties of the same set of samples using KES-FB was performed. The RMSE values for ANN and ANFIS predictions were 0.014 and 0.0122 and are extremely lower than the variations of the perception scores of 0.644 and 0.85 forANN and ANFIS, respectively with fewer prediction errors. The observed results indicated that the predicted tactile score and are almost very close to the actual output obtained using human judgment. Fabric objective measurement-technology, therefore, provides reliable measurement approaches for functional fabric quality inspection, control, and design specification.

1 - 6 of 6
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