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. 25, No. 5, May. 2024)
Research Progress and Development Trend of Textile Auxiliaries
Yating Ji Xiaoyan Li Kaili Jin Zhuizhui Fan Keru Hou Peibo Du Bi Xu Zaisheng Cai
Textiles hold a position of great importance in both the routines of everyday life and the intricacies of industrial production. Textile auxiliaries play a considerable role in the development of textile products, contributing to achievements such as enhanced color fastness, increased functionality, improved mechanical strength, shortened process, reduced energy consumption, and decreased greenhouse gas emissions. Here, an overview of the functionality and sustainability of dyeing and finishing auxiliaries is presented, highlighting their latest research achievements. Subsequently, the challenges encountered by textile auxiliary industries are exposed. Furthermore, an explicit identification of the development and international status of China’s textile industries is undertaken. Finally, three innovative directions of textile auxiliaries are delineated based on policy orientation and market demand. Taking proactive measures to tackle these challenges and wholeheartedly embracing innovative solutions will be pivotal for staying abreast of evolving market trends and consumer demands, ultimately contributing to advancing the sustainable development and bolstering the competitiveness of the textile industry as a whole.
Anti-fouling and Hydrophobic Polyurethane Fibrous Membrane for Air Purification Under High Humidity Conditions
Fei Xu Zongping Suo Zhijun Zhao Jianhong Liu
With the rapid development of urbanization and industrialization, air pollution is increasingly harmful to life on earth. At present, purifying polluted air through functional filter materials is an effective but still challenging and important strategy. But there was the problem that the air filter protection materials are easy to get wet, which will reduce the filtering effect and cause the service life to decrease. In this study, we used PU fiber membrane prepared with electrospinning as the substrate, fluorinated silica nanoparticles (F-SNs) and quaternary ammonium salt silica particles (Q-SNs) were used as functional particles, PDMS were used as adhesive to prepare hydrophobic and anti-fouling F/Q-SNs-PU fiber membrane through coating. F/Q-SNs-PU fiber membrane exhibited excellent hydrophobic stability, excellent anti-fouling and self-cleaning ability, and filtration effect. Therefore, F/Q-SNs-PU fiber membrane can effectively alleviate the air filtration problem in high humidity environment by virtue of its excellent hydrophobic anti-fouling performance and filtering effect.
Fabrication of the Flexible, Biocompatible, and Permeable Graphene/PLA Strain Sensor for Wearable Devices
Zhigang Bao Zhenglu Liu Bin Sun
Real-time human motion monitoring is of importance particularly for patients after surgery, and wearable devices should be chemically inert, nontoxic, and biocompatible to human body, and should possess high sensitivity. However, it is still a challenge to integrate such advantages into one devices. Here we provided a flexible strain sensor based on graphene with polylactic acid (PLA) fibrous membrane as substrate. Apart from the excellent flexibility and perfect surface compliance, the strain sensor revealed a good sensitivity, and long-term durability and repeatability. Also, it demonstrated a good hydrophobicity and permeability, preventing the uncomfortability and possible infection from sweat and water vapor. In addition, excellent biocompatibility and biological safety have been measured. All these advantages endowed it capability for the fabrication of wearable device to real-time detect the human motion, particularly for patients after surgery
Superhydrophilic and Oil-Resistant SiO2/PU Fiber Membrane for Oil-In-Water Emulsion Separation under Gravity
Li Gao Haihong Gu Chunxia Wang Huanling Wu Chao Ye
A polyurethane membrane with interlayer channels was developed through electrospinning to separate oily sewage. To enhance its hydrophilicity, hydrophilic silica particles were grafted onto the fiber surface, creating a rough surface. This was done by treating the membrane with oxygen plasma to generate active sites, which were then coupled with 3-aminopropyltriethoxysilane, followed by adding the membrane to a hydrolytic solution of tetraethyl orthosilicate. The resultant membrane had a low water contact angle of 23.3° and excellent underwater oleophobicity, with a high-underwater oil contact angle (varied from 155.9 to 159.7°) and underwater oil sliding angle (ranged from 4.0 to 4.6°) for different types of oils. In addition, the prepared membrane had a good moisture-evaporation rate (4.2 g/h) and water-absorption capacity (273%). It is also oil-resistant and self-cleaning in water, and could efficiently separating oil-in-water emulsion under gravity, with an initial separation flux of 2864 L/m2/h. During cyclic separation of emulsion, the membrane had the oil-retention rate of more than 99.0%, and the final separation flux of the membrane was maintained at 25 L/m2/h.
A Study of Structure–Property Correlation on Wet Spinning Conditions in Heat-Resistant Poly(m-phenylene isophthalamide) Hollow Fiber Membranes
Jong-Uk Na Min Ho Jee Doo Hyun Baik
This study reports the influences of wet spinning conditions, such as the composition of external coagulant, the temperature of PMIA dope solution, and the air-gap distance between the spinnerets and the external coagulation bath, on the morphological features, mechanical properties, and membrane performance of heat-resistant poly(m-phenylene isophthalamide) (PMIA) hollow fiber membranes during a dry-jet wet spinning method. Scanning electron microscopy (SEM) analysis on the cross-section of the PMIA hollow fiber membranes clearly shows various effects of the wet spinning conditions on morphological features of the PMIA membranes. In addition, it is observed that the tensile strength of the PMIA membranes decreased with increasing DMAc content in the external coagulant and temperature of the dope solution, and the tensile strength decreased with decreasing air-gap distance. Furthermore, the water permeability and rejection analysis present consistent trade-off trends across all the wet spinning conditions. Interestingly, significantly high correlations are observed between the pore structure, mechanical properties and membrane performances of PMIA hollow fiber membranes, as well. As a result, based on the findings obtained from this study, we have gained confidence that the structure and properties of the final PMIA membranes can be appropriately controlled through the control of the dry-jet wet spinning process in the manufacturing of PMIA hollow fiber membranes.
Solar-Responsive Bi2S3/ZnS Heterojunction-Loaded Chitosan/Cellulose Sponges for Adsorption-Photocatalytic Degradation of Congo Red
Lei Xia Jiaqi Zhao Bowen Lu Chang Liu Xupin Zhuang
Dye wastewater discharges threaten fragile aquatic ecosystems. Photocatalysis has been applied as an effective, viable, and economical option to achieve dye degradation. However, current photocatalysts suffer from large bandgaps, powder agglomeration, difficult recovery, and cannot be recycled. Herein, a novel Bi2S3/ZnS heterojunction loaded cellulose/chitosan (BiZnCCS) with highly efficient photocatalytic activities for CR pollutant degradation was designed and fabricated via a simple hydrothermal method. BiZnCCS has a large pore size of 2 μm with a high porosity of 71.62%, which increases the contact area with CR and facilitates the adsorption of CR. The pore wall was uniformly loaded with Bi2S3/ZnS particles, and the degradation rate of CR could reach 97.8% under simulated visible light irradiation. By adjusting the composition ratio, BiZnCCS was able to withstand a stress of about 82.45 kPa, and the CR removal rate was still maintained at about 85% after 7 cycles of testing. By creating a synergistic adsorption-photocatalytic degradation mechanism, BiZnCCS has the ability to efficiently remove CR under visible light, which provides a new material for the treatment of dye wastewater.
Preparation and Characterization of Graphene/Carbon Nano-Cellulose/Polyvinylidene Fluoride Electric Heating Membrane
Peijun Huang Yan Liu Binjie Xin
Cellulose nanofibers (CNFs) are a kind of natural macromolecules. Carbonized cellulose nanofiber (C-CNF) can be obtained by carbonizing CNFs, whose structure is similar to that of graphite. When C-CNFs are used in the assembly of graphene and polyvinylidene fluoride (PVDF) membranes, the electric heating membranes with high performance and a stable stacking structure can be constructed. Graphene/C-CNF/PVDF (GCP) dispersion was prepared using the solution blending method, and GCP membrane was prepared with the vacuum drying method. The results show that the resistance of the GCP membrane is controlled at about 40.6–74.6 Ω, which is a little different from that of the graphene/PVDF membrane (89 Ω). The equilibrium temperatures of the GCP membranes with different graphene mass fractions increase linearly with the increase of voltage. The GCP-03 membrane reached 158 °C quickly at 6 V, which is the highest temperature compared to other membranes. From the infrared thermography, it is clear that the GCP membranes have excellent electrical and thermal properties, good thermal stability, and uniform heat distribution, which will allow functional textiles to play a greater role in various fields such as aerospace and industry.
Preparation and Characterization of Chitosan/Hydroxyapatite Nanowire Composite Scaffolds for Bone Regeneration
Kui Zhou Rugang Hu Hanjing Li Hongwei Chen
In this study, chitosan/hydroxyapatite nanowire composite scaffolds were prepared by the cryogenic 3D printing method. Their properties were investigated for bone regeneration. Synthesized hydroxyapatite nanowire and strontium doped hydroxyapatite nanowire were studied by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and thermogravimetry. The synthesized nanowires have good biocompatibility. Then, chitosan/hydroxyapatite nanowire composite scaffolds were prepared by cryogenic 3D printing. The morphologies, composition, biocompatibility, and osseogenesis in vivo of scaffolds were observed. Results indicated that scaffolds prepared by cryogenic 3D printing exhibited desirable 3D interconnected macro/microporous structures and good biocompatibility. Meanwhile, in vivo cranial defect implantation results confirmed that chitosan and strontium-doped hydroxyapatite nanowire composite scaffolds have the best ability of in vivo bone regeneration. The present composite scaffold has promising characteristics for bone regeneration.
Study on Preparation and Properties of CA/PLA Nonwoven Filter Materials Optimized by Response Surface Methodology
Lisong Fu Weixuan Ding Li Zhang Shujie Zhang
In order to increase the product diversity and wide application of cellulose acetate fiber in the field of nonwoven filtration, combined with the rapid development of green fiber, the response surface methodology (RSM) was used to optimize the parameters of cellulose acetate/polylactic acid (CA/PLA) nonwoven in the preparation process. The hybrid ratio, linear density, and fiber length of CA fiber were selected to optimize the preparation process of nonwovens with filtration efficiency and tensile strength as response values. The results showed that the hybrid ratio was 80%, the linear density was 3.33dtex, and the fiber length was 46 mm. Under this process, the filtration efficiency of CA/PLA nonwoven is 35.74%, longitudinal tensile strength is 0.734 MPa, and transverse tensile strength is 1.782 MPa, which is close to the theoretical value, indicating that RSM has application value. It can provide a theoretical basis for the preparation parameters of nonwovens with excellent tensile strength and filtration efficiency at the same time. In addition, the air permeability, filtration resistance, and surface morphology of CA/PLA nonwovens were tested. It was found that the effect of hybrid ratio on air permeability and filtration resistance is not obvious, but linear density and fiber length are significant, and CA/PLA nonwovens are three-dimensional structures with disorderly surfaces, which are conducive to filtering dust, particles, and other impurities in the air.
Inkjet-Printed Flexible, Sensitive Humidity Sensor with High Breathability on Electrospun Nanofibrous Mats
Yu Liu Lei Xing Hongze Zhu Guangya Liu Junyi Ren Bin Sun
Inkjet printing technology has been playing an increasingly important role in manufacturing of electronic devices due to its low cost, high deposition accuracy, and mass manufacturability. Inkjet-printed flexible sensors are increasingly used in the field of flexible/wearable electronics. In this study, a kneadable humidity sensor with high breathability was developed on electrospun thermoplastic polyurethane (TPU) nanofibrous mats using inkjet printing technology. This humidity sensor shows good sensitivity over a wide humidity range, with a resistance change of only 6.13% after 1000 mechanical bends at 75% relative humidity (RH). It also has good reversibility, and the morphology and structure are not damaged upon direct contact with water droplets. In addition, the humidity sensor with good air permeability (28.8 mm s-1) can be used for breath monitoring, particularly for person in sadness, panic, and tensed situations.