Influential Parameters of Starching Process on Mechanical Properties of Yarns Intended for Multifunctional Woven Fabrics for Thermal Protective Clothing

Schwarz, Ivana; Kovačević, Stana; Vitlov, Ivana

doi:10.3390/polym13010073

Cited by 4 publications

(2 citation statements)

References 18 publications

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“…(1) (Ivana et al, 2020). Wherein, F b (N)-Maximum tensile force; S 0 (mm 2 )-Yarn cross-sectional area.…”

Section: Characterization Of Materials Properties 251 Mechanical Testingmentioning

confidence: 99%

Preparation of biodegradable polypropylene carbonate-polylactic acid core yarn by electrospinning and its antibacterial finishing

Zhou,

Zhu,

Dong

et al. 2023

Front. Mater.

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With the improvement of living standards, people’s awareness of health and environmental protection continues to strengthen. The production of textiles with antibacterial functions is one of the effective ways to protect people from or reduce bacterial invasion. Therefore, textiles with antibacterial functions are increasingly favored by people. At the same time, due to the impact of global warming, people are committed to reducing carbon emissions in all aspects of life. The biodegradable material polypropylidene carbonate (PPC) that can consume carbon dioxide (CO2) in the production process fully conforms to people’s environmental protection concept. However, polypropylidene carbonate itself has poor thermal stability and narrow application range. Polypropylidene carbonate thermoplastic polyurethane (PPC-TPU) is obtained by chain extension modification, which can broaden the application range of polypropylidene carbonate. To develop a yarn with excellent antibacterial and mechanical properties, which can be woven into fabrics for medical applications while taking into account environmental protection and degradability, the antibacterial yarn in this article was prepared by electrospinning using PPC-TPU and polylactic acid (PLA) yarn as raw materials. The preparation process was optimized by adjusting the supply speed, winding collection speed and horn barrel speed, and the optimal concentration of antimicrobial agent was explored by adding different concentrations of benzalkonium bromide antimicrobial. Through the characterization of the properties of the materials, we believe that PPC-PLA yarn with the addition of 5% benzalkonium bromide has broad development prospects in the medical field due to its excellent mechanical and antibacterial properties.

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“…(1) (Ivana et al, 2020). Wherein, F b (N)-Maximum tensile force; S 0 (mm 2 )-Yarn cross-sectional area.…”

Section: Characterization Of Materials Properties 251 Mechanical Testingmentioning

confidence: 99%

Preparation of biodegradable polypropylene carbonate-polylactic acid core yarn by electrospinning and its antibacterial finishing

Zhou,

Zhu,

Dong

et al. 2023

Front. Mater.

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show abstract

“…Aramids in particular are selected from polyamides because of the aromatic groups appearing in their chains. Those fibers find a wide applications in a textile industry (for example textiles, such as Kevlar poly(phenylene-1,4-diamide) and Nomex poli (phenyle-1,3-diamide) [3], are used in fireman protective clothing [4,5]) as well as in military applications due to their high ballistic resistance [6,7].…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation of the Tensile Behavior of Selected Tire Cords Using Novel Testing Equipment

2022

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Aramid and polyamide cords are used in a wide range of applications, particularly in the automotive industry (tire reinforcement) and textile industry for military and fireguard purposes. The problem of the reliable experimental study of tensile behavior of synthetic cords is considered in this paper. In the available standards for synthetic cord testing, particularly ASTM D 885-03, the tensile test must result with the cord damage in the middle of gauge length, and the cords should be fixed in the machine clamps. The trial test gave damage near the clamps. We propose a novel testing stage mounted in the testing machine clamps to achieve the uniform tensile stress distribution in the gauge length of the measured cords. The results of the deformations were measured in two ways: using testing machine head displacement and a videoextensometer. Stress curves of four distinguished cords were evaluated and compared. The second method allowed to acquire results differing from the manufacturers’ data from 0.7% to 21.5%, which allowed for the conclusion that the designed test stand allows for obtaining reliable results for stretched cords.

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Multiresponse optimization in amylolytic desizing of viscose fabric in the copresence of ferrous ions and an anionic surfactant

Raza

Rehman

Anwar

et al. 2023

PRT

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Purpose This study aims to investigate the effect of the copresence of ferrous (Fe2+) ions and sodium dodecyl sulfate (SDS) on the activity of an amylase enzyme during the desizing of greige viscose fabric for potential industrial applications. The removal of starches is an essential step before processing the fabric for dyeing and finishing operations. The authors tend to accomplish it in eco-friendly and sustainable ways. Design/methodology/approach The experiments were designed under the Taguchi approach, and the results were analyzed using grey relational analysis to optimize the process. The textile properties of absorbency, reducing sugars, bending length, weight loss, Tegawa rating and tensile strength were assessed using the standard protocols. The control and optimized viscose specimens were investigated for certain surface chemical properties using advanced analytical techniques including scanning electron microscopy (SEM), X-ray diffraction (XRD) and thermal gravimetric analysis (TGA). Findings The results demonstrate that the Fe2+ concentration and process time were the main influencing factors in the amylolytic desizing of viscose fabric. The optimized process conditions were found to be 0.1 mm Fe2+ ions, 3 mm SDS, 80°C, 7 pH and 30 min process time. The copresence of Fe2+ ions and SDS promoted the biodesizing of viscose fabric. The SEM, Fourier transform infrared spectroscopy, XRD and TGA results demonstrated that the sizing agent has efficiently been removed from the fabric surface. Practical implications The amylase desizing of viscose fabric in the presence of certain metal ions and surfactants is a significant subject as the enzyme may face them due to their prevalence in the water systems. This could also support the biodesizing and bioscouring operations to be done in one bath, thus making the textile pretreatment process both economical and environmentally sustainable. Originality/value The authors found no report on the biodesizing of viscose fabric in the copresence of Fe2+ ions and the SDS surfactant under statistical multiresponse optimization. The biodesized viscose fabric has been investigated using both conventional and analytical approaches.

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Influential Parameters of Starching Process on Mechanical Properties of Yarns Intended for Multifunctional Woven Fabrics for Thermal Protective Clothing

Cited by 4 publications

References 18 publications

Preparation of biodegradable polypropylene carbonate-polylactic acid core yarn by electrospinning and its antibacterial finishing

Preparation of biodegradable polypropylene carbonate-polylactic acid core yarn by electrospinning and its antibacterial finishing

Experimental Investigation of the Tensile Behavior of Selected Tire Cords Using Novel Testing Equipment

Multiresponse optimization in amylolytic desizing of viscose fabric in the copresence of ferrous ions and an anionic surfactant

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