pISSN : 1229-9197 / eISSN : 1875-0052
Fibers and Polymers, the journal of the Korean Fiber Society, provides you with state-of-the-art
research in fibers and polymer science and technology related to developments in the textile
industry. Bridging the gap between fiber science and polymer science, the journal’s topics
include fiber structure and property, dyeing and finishing, textile processing, and apparel science.
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Latest Publication (Vol. 26, No. 3, Mar. 2025)
Application of Essential Oil on Silk Through Microencapsulation with β-Cyclodextrin to Achieve Fragrance Finish
Sujata Rooj Sankar Roy Maulik
Beta-cyclodextrin and lavender essential oil are applied to silk fabric following the microencapsulation technique. The olfactometric analysis is done to assess the presence and intensity of the odour of lavender essential oil after 30 days of storage and after 10 home laundering. The stiffness of the controlled and treated silk fabrics under different specified conditions is tested, and findings reveal a slight increase in stiffness for treated silk fabric that may be due to the deposition of beta-cyclodextrin during application. The infrared spectroscopic analysis of the beta-cyclodextrin, degummed silk fabric, and degummed silk fabric treated with beta-cyclodextrin and essential oil is also reported. Gas Chromatography analysis reveals the presence of essential oil in the treated silk fabric after 10 wash cycles. The scanning electron microscope identifies the surface morphology that appears to be irregularly shaped particles or clusters due to aggregation.
Consideration of Flame-Retardant Hook-and-Loop Fasteners Using Phosphate Ester Flame Retardants and the Influence of Their Dispersibility on Flame Retardancy
Tomoki Sakai Isao Tabata Teruo Hori Kazumasa Hirogaki
Generally, organic fibers are flammable due to their molecular structure. However, highly flame-retardant textile products are required for firefighting uniforms and uniforms used in areas where there is a risk of fire, as well as in enclosed spaces such as automobiles, trains, and airplanes. PET fibers made by melt spinning have excellent physical properties and dyeability. And organic phosphorus-based flame retardants generate less toxic gas than halogen-based flame retardants but are inferior in terms of flame retardancy. Most flame retardants are designed to be easily decomposed; thus, they could decompose during melt spinning. Furthermore, crystallization of resins can be inhibited, causing deterioration of physical properties. We utilized ScCO₂ processing technology makes it possible to swell the amorphous parts of resin and impregnate them with functional agents at low temperatures. (e.g., 31.1–120 °C). Utilizing this technology, a hook-and-loop fastener was impregnated with a large amount of a flame retardant to achieve high flame retardancy while maintaining the engagement force. In addition, the decomposition temperatures of flame retardants and their distribution in fibers were analyzed and considered that.
Bimetallic Fe/Co-ZIF MOFs-Decorated Nanofibrous Aerogel as Peroxymonosulfate Activator for Efficient Degradation of Organic Dyes
Yuanyuan Song Luyao Xu Jiaqi Zheng Xiaotong Shi Huanyu Ye Haowei Sun Yanchao Yu Yuqi Liu Feiyun Ni Yifei Chen Guojun Jiang
Metal organic framework (MOF)-based catalysts have gained tremendous interest for radical-based advanced oxidation processes and are considered as promising candidates for remediation of organic wastewater. However, the inherent powder nature of traditional MOF catalysts limits their practical applications. In this study, a novel three-dimensional (3D) monolithic bimetallic Fe/Co-ZIF@ poly(vinyl alcohol) (PVA)/polyacrylic acid (PAA) nanofibrous aerogel (NFA) with 3D hierarchical porous structure was constructed that could activate peroxymonosulfate (PMS) for degradation of organic pollutants. The morphology and structure were investigated by SEM, FTIR, and XPS. The effects of molar ratios of Fe/Co, initial pH, reaction temperature, PMS concentration, and initial Rhodamine B (RhB) concentration on the degradation of RhB were systematically evaluated. Under optimal experimental conditions, the degradation efficiency of RhB by Fe/Co-ZIF@PVA/PAA NFA/PMS system could reach 99.4% with reaction rate constant of 2.3588 min−1 within 10 min. Additionally, the main reactive oxygen species involved in the degradation of pollutants were identified through quenching experiments and electron paramagnetic resonance (EPR) analysis. Besides, Fe/Co-ZIF@PVA/PAA NFA had good reusability. This study provides new insights into the designing of 3D MOF-based catalysts for efficient treatment of organic wastewaters through PMS activation.
Superhydrophobic and Breathable Nonwoven-Based Pressure–Temperature Bimodal Tactile Sensor Without Signal Crosstalk
Rui Zhang Yingying Zheng Chengxin Li Ting Zhang Jian Wang Zhuanyong Zou
To address the issues of signal crosstalk and discomfort between multifunctional sensors, this paper presents a novel design and integration approach that combines the capacitive pressure sensing mechanism of a fabric dome structure and the temperature sensing mechanism of ionic liquids/thermoplastic polyurethane elastomers/sewing threads (IG/TPU/ST), demonstrating a superhydrophobic and breathable bimodal tactile sensor with no crosstalk between pressure and temperature responses. The sensor has a pressure sensitivity of up to 0.043 kPa−1 (in the range of 0–6.84 kPa), a wide detection range of 0–223 kPa, a fast response time of 120 ms, and excellent stability (12,000 compression cycles), while it has a temperature sensitivity of up to − 0.015 ℃−1 (in the range of 18–42 ℃), and a response time of 5 s between 20 ℃ and 45 ℃. Moreover, the bimodal sensor effectively addresses the issue of interference between pressure and temperature sensing, while also offering benefits such as breathability and self-cleaning. These features render it well suited for the monitoring of physiological signals in human subjects. Thus, the pressure–temperature bimodal tactile sensor has the potential to play a significant role in the development of motion monitoring systems, health monitoring systems, and human–computer interfaces.
Sustainable Modification of Dehydrated Bacterial Cellulose by Polyethylene Glycol and Electron Beam Irradiation
Hung Ngoc Phan Kazushi Yamada Satoko Okubayashi
Bacterial cellulose (BC), known for its three-dimensional nanofibrous structure, is a sustainable material with broad applications. However, BC’s high rigidity, when dehydrated, limits its utility in diverse industries such as fashion and healthcare. This study aims to overcome these limitations by a sustainable modification approach of dehydrated BC derived from Acetobacter xylinum (commercially produced by Minh Tam Coconut Co., Ltd. – Vietnam) using polyethylene glycol (PEG) and electron beam irradiation (EBI), a cutting-edge, fast, chemical additive-free, and waterless technology, with various absorbed doses (0, 50, 100, and 200 kGy), to fabricate a BC-based interpenetrating polymer network (IPN). Consequently, at an absorbed dose of 200 kGy, the EBI-BC/PEG exhibits significant cross-linking effects, enhancing softness with a 17-fold reduction in bending modulus (166.3 ± 41.0 MPa), decreased flexural rigidity (49.2 ± 12.1 µNm), improved thermal conductivity with a threefold increase in maximum heat flux (0.256 ± 0.024 W/cm2), and increased areal density of bonded PEG (148.7 ± 21.5 g/m2) compared to untreated BC. Besides, tensile strength (26.1 ± 2.5 MPa), and strain percentage (4.5 ± 0.5%) of EBI-BC/PEG (200 kGy) decrease relative to unirradiated BC/PEG (0 kGy), these properties are still improved better when compared to untreated BC. Additionally, EBI-induced cross-linking improves thermal degradation temperature. Besides, EBI-induced oxidation enhances moisture regain and reduces the contact angle compared to unirradiated BC/PEG. This research provides foundational insights into BC modification by EBI to address current limitations, especially applying in textile and leather industries, promoting sustainable development.
Investigation of the Catalytic Pyrolysis Of Polyester/Viscose Fibers with Monometallic-Supported Montmorillonite
Hongmei Peng Pingli Li Qi Yang
Inexpensive and active catalysts can improve the technical and economic efficiency of waste textiles. Therefore, several inexpensive metal materials have been added to clay-like montmorillonite (MMT) to improve its catalytic activity in the pyrolysis of polyester/viscose fibres. The Brunauer‒Emmett‒Teller (BET) method indicated that the MMT had a high specific surface area, which provided sufficient internal space for active metal dispersion and ample adsorption capacity for tar distillate and cracking products. Temperature-programmed desorption of NH3 (NH3-TPD) revealed that the acidity balance of the catalyst improved after different metals were added. Pyrolysis–gas chromatography/mass spectrometry (Py–GC/MS) studies revealed that the selectivity of MMT for aromatics increased after metal loading, and the selectivities of the Zn-containing MMT for monocyclic aromatics (MAHs) and polycyclic aromatics (PAHs) were the highest, at 46.70% and 27.68%, respectively. MMT-supported Ni increased the content of heavy aromatic hydrocarbons formed, with PAH contents of up to 43.16%, which made the catalyst more prone to deactivation during catalytic pyrolysis. The Mg-containing MMT showed similar catalytic activity to that of Ca-containing MMT in the catalysis of fibre pyrolysis; both produced more aromatics and favoured the formation of PAHs. These results indicate that various metal-containing MMT catalysts had significant effects on the yields of aromatic hydrocarbons during pyrolysis.
Modification of Natural Cellulosic Fibers from Neuropeltis Accuminatas by Methyl Acrylate
Mireille Nadège Atsena Richard Ntenga Abel Njom Atangana Ateba
Mechanically extracted and Neuropeltis Accuminatas (NA) fiber treated was grafted with methyl acrylate. Scanning electron microscopy before and after grafting clearly shows the presence of a thin layer of polymer covering the fiber surface. The energydispersive X-ray spectroscopy (EDXS) analysis shows the variation in the level of iron II used during grafting. Thermogravimetric analysis (TGA) and Derivative thermogravimetry (DTG) show a decrease in the degradation temperature following each treatment applied to the fiber. The change in the absorption rate in 2 and 24 h of the grafted fibers of methyl acrylate absorbs less water than the raw fibers, treated with (NaOH) and bleached.
Effect of Folding in Large-Tow Polyacrylonitrile Fibers on Microstructure and Properties of Pre-oxidation Fibers
Min Li Hamza Malik Jian He Hongqiang Zhu Yuhang Wang Hui Zhang Yong Liu Jianyong Yu
The state consistency of polyacrylonitrile (PAN) precursor fibers significantly impacts the stability of carbon fiber performance. In this paper, the impacts of folding during boxed storage on the microstructure and mechanical properties of large-tow PAN fibers and pre-oxidation fibers (OXFs) were explored. It was found that folding can damage the surface of PAN fibers, giving rise to defects like cracks and extrusions. Moreover, it leads to the loosening of the internal microfibril arrangement, the enlargement of pore sizes, and the decrease of microcrystalline orientation within the fibers. These structural alterations are inherited by OXFs, which not only disadvantage the pre-oxidation process but also result in the deterioration of mechanical properties. This research offers valuable reference data for the selection and optimization of precursor fiber storage methods prior to entering the pre-oxidation oven in the industrial production of large-tow PAN-based carbon fibers.
Magnetic Biochar Production from Agricultural Waste and Reactive Blue 19 Removal by Peroxymonosulfate Activation
Neslihan Kader Gökçe Didar Değermenci
The conversion of agricultural biomass waste into value-added biochar (BC)-based catalysts is of great interest. Magnetic biochar is an excellent material that facilitates both solid–liquid separation and peroxymonosulfate (PMS) activation. In this study, magnetic biochar was produced from pea pod, an agricultural waste, by pyrolysis, hydrothermal methods, and precipitation. The structure, morphology, and magnetic separation properties of magnetic biochar produced from pea pod (MPPBC) were comprehensively analyzed by different characterization methods. Reactive blue 19 (RB19) was selected as a model pollutant to evaluate the performance of the MPPBC/PMS system. The effect of initial solution pH, MPPBC dosage, PMS concentration, initial RB19 concentration, reusability, and concentrations of anions and natural organic matter concentrations on the removal of RB19 in the MPPBC/PMS system was investigated. The results showed that MPPBC could effectively activate PMS, and RB19 removal reached 85% at an initial solution pH of 3, an MPPBC dosage of 0.20 g/L, a PMS concentration of 0.50 mM, an initial RB19 concentration of 25 mg/L, and an oxidation time of 60 min. The reusability of MPPBC showed an 8% decrease in the removal efficiency of RB19 after four uses. Anions and natural organic matter added to the solution were found to decrease the removal of RB19. The kinetics of RB19 removal in MPPBC/PMS system was determined using first order, second order, and Behnajady-Modirshahla-Ghanbery (BMG) models. As a result of kinetic calculations, the BMG kinetic model was found to be more effective for describing the removal efficiency of RB19.
Green Ecological Extraction and Application of Red Sumac-Based Tannin Natural Product for Dyeing of Green-Mordanted Silk Fabric and Wool Yarns
Fazal-ur-Rehman Shahid Adeel Kaif ul Wara Nimra Amin Somayeh Mirnezhad Jamiu Mosebolatan Jabar Muhammad Khajeh Mehrizi Mahjoub Jabli
The current age is the time of polymeric materials which have gained attraction globally due to their sustainable nature. In this study, adorable polymeric textile materials, such as silk fabric and wool yarn, have been dyed with red sumac-based tannin natural dye. Extraction was made in a suitable medium and after 5 min microwave (MW) treatment, and dyeing was done and optimized. For developing colorfast shades, the polymeric materials were dyed before (pre) and after (post) mordanting with eco-chemical and bio-organic mordants. The results show silk fabrics pre-mordanted with 1.5% of Fe2+, 1% of Al3+, 1.5% of madder, and 2% of oak extracts to have developed colorfast shades. Silk fabric post-mordanted with 2% of Fe2+, and 1% of Al3+ salt, 2% madder and oak extracts as eco-mordants also furnished colorfast shades. In comparison, wool yarns pre-mordanted with 1.5% of Fe2+ and 2% of Al3+ salt, 1% of madder and 2% of oak extracts have given colorfast shades, whereas after dyeing, 2% of Fe2+ and Al3+ salt, and 1% of madder, and 2% of oak extracts have furnished excellent colorfast shades. The sustainable isolation techniques and the addition of eco-mordant have made the dyeing process greener and cleaner.