Fibers and Polymers最新文献

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Design of Environmentally Friendly Sound-Absorbing Composites with Multi-scale Pore Size Based on Porous Polylactic Acid Nanofibers 基于多孔聚乳酸纳米纤维的多尺度环保吸声复合材料的设计
IF 2.2 4区 工程技术
Fibers and Polymers Pub Date : 2025-04-01 DOI: 10.1007/s12221-025-00932-1
Jian Xing, Zhen Liu, Ying Shen, Chunhong Zhu
{"title":"Design of Environmentally Friendly Sound-Absorbing Composites with Multi-scale Pore Size Based on Porous Polylactic Acid Nanofibers","authors":"Jian Xing,&nbsp;Zhen Liu,&nbsp;Ying Shen,&nbsp;Chunhong Zhu","doi":"10.1007/s12221-025-00932-1","DOIUrl":"10.1007/s12221-025-00932-1","url":null,"abstract":"<div><p>With the rapid advancement of global industrialization and population explosion, noise pollution has seriously threatened human survival and social development. Fibrous porous sound-absorbing materials are widely utilized in the transportation field due to their high sound absorption abilities, cost-effectiveness, ease of fabrication and lightweight properties. However, materials designed to combat pollutants should not become new sources of pollutants. In response, environmentally friendly fibrous sound-absorbing materials based on polylactic acid (PLA) were developed. The electrospun porous polylactic acid (PLA) nanofibers were combined with PLA needle-punched nonwovens through vacuum filtration and freeze-drying to prepare PLA sound-absorbing composites with a hierarchical structure and multi-scale pore size. The results revealed that increasing the vacuum filtration time reduced the thickness of PLA composites with different PLA nanofiber solid contents, with all samples maintaining a thickness below 10 mm. The average sound absorption coefficients (SACs) of the composites were also significantly affected by the nanofiber solid contents, with PLA<sub>0.7–40</sub> composites achieving an average SACs of 0.33. When the nanofiber solid content reached 0.70 wt.%, the PLA composites exhibited the highest sound absorption coefficient (α) at different filtration times, with the maximum α shifting toward lower frequencies as filtration time increased. Notably, the α values of PLA<sub>0.7</sub> and PLA<sub>1.0</sub> composites at medium frequencies improved considerably, with α<sub>1000</sub> values reaching 0.30 and 0.35 for PLA<sub>0.7–40</sub> and PLA<sub>1.0–40</sub> composites, respectively.</p></div>","PeriodicalId":557,"journal":{"name":"Fibers and Polymers","volume":"26 5","pages":"1955 - 1964"},"PeriodicalIF":2.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143879567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermal Behavior of Functionalized Polybenzoxazines: Part 1. Directive Influence of Nitrile Group 功能化聚苯并恶嗪的热行为:第1部分。腈基的指示性影响
IF 2.2 4区 工程技术
Fibers and Polymers Pub Date : 2025-04-01 DOI: 10.1007/s12221-025-00929-w
Ga Yeong Han, Kwang Soo Cho, HoDong Kim
{"title":"Thermal Behavior of Functionalized Polybenzoxazines: Part 1. Directive Influence of Nitrile Group","authors":"Ga Yeong Han,&nbsp;Kwang Soo Cho,&nbsp;HoDong Kim","doi":"10.1007/s12221-025-00929-w","DOIUrl":"10.1007/s12221-025-00929-w","url":null,"abstract":"<div><p>This study investigates the effect of the substitution position of the nitrile group on the curing behavior of benzoxazine and its thermal decomposition behavior in polybenzoxazine. Benzoxazine monomers based on phenol, bisphenol A, and 1,5-dihydroxynaphthalene with nitrile groups introduced at various positions were synthesized, and their structural characteristics were analyzed using <sup>1</sup>H nuclear magnetic resonance (<sup>1</sup>H-NMR) spectroscopy. The curing behavior was monitored through differential scanning calorimetry (DSC), which showed that the substitution position affected the curing process. Specifically, when the nitrile group was introduced at the ortho position relative to the amine, the highest curing temperature was observed, followed by the para and meta positions. This can be explained by the electron-withdrawing effect of the nitrile group, which alters the chemical environment and curing behavior. The thermal decomposition behavior was monitored through thermogravimetric analysis (TGA). Compared to polybenzoxazine without a nitrile group, polybenzoxazine with nitrile groups generally exhibited superior thermal stability, with the greatest improvement in thermal properties when the nitrile group was introduced at the ortho position, resulting in about an 11% increase in char yield. However, when the nitrile group was introduced into polybenzoxazine based on 1,5-dihydroxynaphthalene, thermal properties tended to decrease due to the chemical structural characteristics of 1,5-dihydroxynaphthalene. This study emphasizes the importance of the substitution position of the nitrile group in optimizing the thermal stability of polybenzoxazine and provides valuable insights for the design of polybenzoxazines for high-temperature applications.</p></div>","PeriodicalId":557,"journal":{"name":"Fibers and Polymers","volume":"26 5","pages":"1839 - 1849"},"PeriodicalIF":2.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143879553","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Consumers’ Color Memory of Fashion Products in Live-Streaming E-commerce: Effects of Clothing Color and Color Combination 电商直播中消费者对时尚产品的色彩记忆:服装色彩与色彩组合的影响
IF 2.2 4区 工程技术
Fibers and Polymers Pub Date : 2025-03-29 DOI: 10.1007/s12221-025-00921-4
Eugene Lee, Sungwoo Moon, Youngjoo Chae
{"title":"Consumers’ Color Memory of Fashion Products in Live-Streaming E-commerce: Effects of Clothing Color and Color Combination","authors":"Eugene Lee,&nbsp;Sungwoo Moon,&nbsp;Youngjoo Chae","doi":"10.1007/s12221-025-00921-4","DOIUrl":"10.1007/s12221-025-00921-4","url":null,"abstract":"<div><p>This study quantitatively analyzed potential consumers’ color memory of fashion products in the context of live-streaming e-commerce. The study used various clothing colors and color combinations; sweatshirts in 10 chromatic and achromatic colors were matched with pants in similar and contrasting colors (20 sweatshirt–pants combinations). Subsequently, 10 s video samples (created using 3D fashion design software) in which a walking figure was dressed in each sweatshirt–pants combination were shown to 15 male and 15 female participants on a calibrated LCD display; participants then performed a visual assessment in which they were asked to identify the color of the sweatshirt as they remembered it from seven color options. White was most consistently remembered, regardless of the color of the item with which it was matched. Among the chromatic colors, yellow clothing was most consistently remembered. Meanwhile, the degree of color memory matching error, that is, the difference between remembered and actual colors, was 7.37 Δ<i>E</i>*<sub>ab</sub> units on average; the error was greatest for green–blue at 13.74 Δ<i>E</i>*<sub>ab</sub> units. Significant color memory errors occurred when red, red–yellow, yellow–green, green, and white sweatshirts were matched with contrasting pants (average: 7.30 Δ<i>E</i>*<sub>ab</sub>). Conversely, significant errors occurred when yellow, green–blue, blue, blue–red, and black sweatshirts were paired with similar-colored pants (average: 9.22 Δ<i>E</i>*<sub>ab</sub>). Regarding the specific color attributes of clothing that affected participants’ color memory matching, the chroma and hue of sweatshirts, and the chroma and overall color differences between sweatshirts and pants were found to have significant effects.</p></div>","PeriodicalId":557,"journal":{"name":"Fibers and Polymers","volume":"26 5","pages":"2233 - 2247"},"PeriodicalIF":2.2,"publicationDate":"2025-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143879601","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lewis Acid Promoted the Formation of Competitive Hydrogen Bonds in Deep Eutectic Solvent to Extract Lignin from Cotton Straw 路易斯酸促进深层共晶溶剂中竞争氢键的形成,以提取棉花秸秆中的木质素
IF 2.2 4区 工程技术
Fibers and Polymers Pub Date : 2025-03-28 DOI: 10.1007/s12221-025-00913-4
Xinao Li, Yuanyuan Xu, Jianning Wu, Zhiyong Liu, Guihua Meng, Shengchao Yang, Xuhong Guo
{"title":"Lewis Acid Promoted the Formation of Competitive Hydrogen Bonds in Deep Eutectic Solvent to Extract Lignin from Cotton Straw","authors":"Xinao Li,&nbsp;Yuanyuan Xu,&nbsp;Jianning Wu,&nbsp;Zhiyong Liu,&nbsp;Guihua Meng,&nbsp;Shengchao Yang,&nbsp;Xuhong Guo","doi":"10.1007/s12221-025-00913-4","DOIUrl":"10.1007/s12221-025-00913-4","url":null,"abstract":"<div><p>Pretreatment of cellulosic materials with a Lewis acid is used to remove hemicelluloses and lower the reaction temperature of pretreatment systems. Adding Lewis acid in the pretreatment process of lignin extraction can form competitive hydrogen bonds to improve the pretreatment efficiency and the extraction rate of lignin. In this experiment, a Lewis acid (AlCl<sub>3</sub>) was introduced to promote the separation of lignin by using the choline chloride/formic acid DES system. The dissolution rate of lignin was studied, as well as the effects of the molar ratio of Lewis acid/choline chloride/formic acid, reaction temperature, and reaction time on lignin structure, extraction rate, and solid residue recovery ratio. The experimental results showed that the optimal ratio of formic acid:choline chloride:AlCl<sub>3</sub> was 1:1:0.05. When the reaction temperature was 100 °C and the reaction time was 6 h, the solid residue recovery ratio was 33%, the extraction rate of lignin was 95.6%, and the purity was 95.0%. 2D HSQC NMR, X-ray diffraction (XRD), scanning electron microscopy (SEM), and Fourier transform infrared (FT-IR) spectroscopy were used to confirm the effect of Lewis acid on the extraction efficiency and structure of lignocellulose. The extracted lignin and commercial lignin showed similar structures, and the main structural units were G units and S units. In short, the addition of a Lewis acid improved the separation of lignin.</p></div>","PeriodicalId":557,"journal":{"name":"Fibers and Polymers","volume":"26 5","pages":"1919 - 1931"},"PeriodicalIF":2.2,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143879599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biomimetic Construction of PBO Fiber Hierarchical Reinforcement with Simultaneously Enhanced Interfacial Properties and Atomic Oxygen Erosion Resistance for Advanced Composites 新型复合材料界面性能和抗原子氧侵蚀性能增强的PBO纤维分层增强仿生结构
IF 2.2 4区 工程技术
Fibers and Polymers Pub Date : 2025-03-28 DOI: 10.1007/s12221-025-00912-5
Sheng Zhang, Bingjie Wu, Bo Song, Tao Chen, Qing Li, Guangshun Wu, Lei Chen
{"title":"Biomimetic Construction of PBO Fiber Hierarchical Reinforcement with Simultaneously Enhanced Interfacial Properties and Atomic Oxygen Erosion Resistance for Advanced Composites","authors":"Sheng Zhang,&nbsp;Bingjie Wu,&nbsp;Bo Song,&nbsp;Tao Chen,&nbsp;Qing Li,&nbsp;Guangshun Wu,&nbsp;Lei Chen","doi":"10.1007/s12221-025-00912-5","DOIUrl":"10.1007/s12221-025-00912-5","url":null,"abstract":"<div><p>When a spacecraft works in low earth orbit, PBO fiber/epoxy resin composite as structural material not only has the poor interfacial properties, but also faces the attack of atomic oxygen (AO). To solve the two drawbacks, a PBO fiber hierarchical reinforcement has been fabricated without degrading the fiber by a mussel-inspired \"two-step\" method based on dopamine (DA) assistant co-deposition and chemical grafting technologies. The surface wettability, roughness (Ra) and reactivity of the obtained PBO@PDA-Si-GO are increased significantly in comparison with those of untreated one. The reinforcement offered simultaneously remarkable enhancement in interfacial shear strength (IFSS) and AO erosion resistance of the composites, which laid theoretical and experimental foundations for the realization of the structure/function integration design of advanced composites.</p></div>","PeriodicalId":557,"journal":{"name":"Fibers and Polymers","volume":"26 5","pages":"2069 - 2076"},"PeriodicalIF":2.2,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143879600","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Double-Layer Woven Heating Fabrics: Design and Structure Optimization, Thermal Modeling, and Implementation of an Intelligent Temperature Control System 双层机织加热织物:智能温控系统的设计与结构优化、热建模与实现
IF 2.2 4区 工程技术
Fibers and Polymers Pub Date : 2025-03-27 DOI: 10.1007/s12221-025-00927-y
Amirreza Alizade Moghaddam Khachegini, Nazanin Ezazshahabi, Mohammad Amani Tehran
{"title":"Double-Layer Woven Heating Fabrics: Design and Structure Optimization, Thermal Modeling, and Implementation of an Intelligent Temperature Control System","authors":"Amirreza Alizade Moghaddam Khachegini,&nbsp;Nazanin Ezazshahabi,&nbsp;Mohammad Amani Tehran","doi":"10.1007/s12221-025-00927-y","DOIUrl":"10.1007/s12221-025-00927-y","url":null,"abstract":"<div><p>The aim of this research is to present the optimal pattern structure of double-layer woven heating fabrics, to deliberately increase the heating efficiency of the fabric on one side and reduction of heating energy loss on the other side of the fabric. Besides, analysis was carried out to provide a thermal model for a more detailed examination of the performance of these textiles in terms of thermal characteristics. Moreover, implementation of an intelligent temperature control system was performed to steadily regulate the temperature, at a predetermined temperature, in various external environmental temperature conditions. To achieve this purpose, nine samples of double-layer woven fabrics made of polyester yarns, consisting of nickel–chromium element as a proportion of weft yarns, were designed and produced. The mentioned fabrics were different in terms of weave pattern, connecting stitch type, and element-thread ratio. Finally, the effect of various structural factors of these fabrics in terms of thermal insulation properties, the heat production, and also the transfer process, has been investigated and a thermal model is introduced and described. Also, an intelligent control system based on Arduino microcontroller was designed and optimized based on PID control logic, and the ability of the control system to adjust the temperature was examined. Finally, according to the analysis of the results, it was determined that the double-layer tubular fabric is the most appropriate sample to achieve the goals of this research. The finding is due to the complete separation of the two layers of fabric from each other, and as a result, significant air is trapped between the two layers of the fabric creating an insulation layer in between. Also, the presented thermal model had acceptable results compared to the experimental data, and the control system was successful in controlling the textile temperature in different conditions.</p></div>","PeriodicalId":557,"journal":{"name":"Fibers and Polymers","volume":"26 5","pages":"2203 - 2220"},"PeriodicalIF":2.2,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143879625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced Mechanical and Shape Memory Properties of Elium® Nanocomposites Reinforced with Graphene and Iron (II, III) Oxide-Doped Polyacrylonitrile Nanofibers 石墨烯和铁(II, III)氧化物掺杂聚丙烯腈纳米纤维增强Elium®纳米复合材料的力学和形状记忆性能
IF 2.2 4区 工程技术
Fibers and Polymers Pub Date : 2025-03-26 DOI: 10.1007/s12221-025-00926-z
Muhammet Ali Şenyurt, Mustafa Mert Kurdiş, Hasan Ulus, Ahmet Avcı
{"title":"Enhanced Mechanical and Shape Memory Properties of Elium® Nanocomposites Reinforced with Graphene and Iron (II, III) Oxide-Doped Polyacrylonitrile Nanofibers","authors":"Muhammet Ali Şenyurt,&nbsp;Mustafa Mert Kurdiş,&nbsp;Hasan Ulus,&nbsp;Ahmet Avcı","doi":"10.1007/s12221-025-00926-z","DOIUrl":"10.1007/s12221-025-00926-z","url":null,"abstract":"<div><p>In this study, the effects of reinforcing the Elium<sup>®</sup>—an acrylic-based thermoplastic resin known for its high strength, and recyclability—with polyacrylonitrile (PAN) nanofibers on its mechanical, thermal, and shape memory effect (SME) were investigated. A novel aspect of this work is the dual doping of polyacrylonitrile (PAN) nanofibers with graphene nanoplatelets (GNPs) and iron (II, III) oxide (Fe<sub>3</sub>O<sub>4</sub>) nanoparticles, a combination not previously explored in Elium<sup>®</sup> composites, to ameliorate structural and SME properties. The GNP-doped composites achieved the highest tensile strength (68.8 MPa) and elongation at break (9.95%), while the hybrid nanocomposites doped with both GNPs and nano-Fe<sub>3</sub>O<sub>4</sub> demonstrated a balanced enhancement in mechanical strength (62.6 MPa) and ductility (9.18%), compared to the pure Elium<sup>®</sup>, which exhibited a tensile strength of 44.4 MPa and elongation at break of 7.95%. Thermomechanical analysis demonstrated that nanofiber reinforcement improved storage modulus by 34.5% (from 2925 to 3935 MPa) and increased the glass transition temperature (Tg) from 81.4 to 90.8 °C in the hybrid composite. SME evaluation revealed recovery rates of 95% for GNP-doped nanocomposites, 86% for Fe<sub>3</sub>O<sub>4</sub>-doped nanocomposites, and 90% for hybrid nanocomposites, confirming the synergistic effects of dual doping. These findings demonstrate the potential of PAN/Elium<sup>®</sup> nanocomposites for advanced engineering applications.</p></div>","PeriodicalId":557,"journal":{"name":"Fibers and Polymers","volume":"26 5","pages":"2097 - 2116"},"PeriodicalIF":2.2,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s12221-025-00926-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143879582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Erratum: Green Ecological Extraction and Application of Red Sumac-Based Tannin Natural Product for Dyeing of Green-Mordanted Silk Fabric and Wool Yarns 订正:红漆树基单宁天然产物的绿色生态提取及其在绿色染整丝织品和毛纱染色中的应用
IF 2.2 4区 工程技术
Fibers and Polymers Pub Date : 2025-03-26 DOI: 10.1007/s12221-025-00928-x
Fazal-ur-Rehman, Shahid Adeel, Kaif ul Wara, Nimra Amin, Somayeh Mirnezhad, Jamiu Mosebolatan Jabar, Mohammad Khajeh Mehrizi, Mahjoub Jabli
{"title":"Erratum: Green Ecological Extraction and Application of Red Sumac-Based Tannin Natural Product for Dyeing of Green-Mordanted Silk Fabric and Wool Yarns","authors":"Fazal-ur-Rehman,&nbsp;Shahid Adeel,&nbsp;Kaif ul Wara,&nbsp;Nimra Amin,&nbsp;Somayeh Mirnezhad,&nbsp;Jamiu Mosebolatan Jabar,&nbsp;Mohammad Khajeh Mehrizi,&nbsp;Mahjoub Jabli","doi":"10.1007/s12221-025-00928-x","DOIUrl":"10.1007/s12221-025-00928-x","url":null,"abstract":"","PeriodicalId":557,"journal":{"name":"Fibers and Polymers","volume":"26 5","pages":"2257 - 2257"},"PeriodicalIF":2.2,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143879505","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Eco-friendly Shrink-Resist Finishing of Wool Through the Synergistic Effect of a Disulfide Bond Reducing Agent, Polydopamine, and Alkaline Protease 利用二硫键还原剂、聚多巴胺和碱性蛋白酶的协同作用对羊毛进行环保抗缩整理
IF 2.2 4区 工程技术
Fibers and Polymers Pub Date : 2025-03-25 DOI: 10.1007/s12221-025-00915-2
Ning Wang, Pu-qi Zhao, Peng Xu
{"title":"Eco-friendly Shrink-Resist Finishing of Wool Through the Synergistic Effect of a Disulfide Bond Reducing Agent, Polydopamine, and Alkaline Protease","authors":"Ning Wang,&nbsp;Pu-qi Zhao,&nbsp;Peng Xu","doi":"10.1007/s12221-025-00915-2","DOIUrl":"10.1007/s12221-025-00915-2","url":null,"abstract":"<div><p>In this study, dopamine was used in conjunction with protease to dynamically modify protease by the C–N bond. This combined operation is intended to prevent the hydrolysis of the wool scale in the process of modification, while the self-polymerization of dopamine in a pot allows it to be absorbed on the surface of the fiber, so that the effect of the protease on the wool scale is limited. In addition, the application of L-cysteine and Na<sub>2</sub>SO<sub>3</sub> to restore the wool fiber pretreatment, by restoring the sulfur dioxide in the wool to reduce the structural integrity of the wool scales, improves the hydrolysis effect of protease on the wool scales while also allowing dopamine to be modified on the surface of wool fibers through C–S and C–N bonds. The combination of L-cysteine 2.5 g/L, protease 2.5 g/L, and dopamine 0.84 g/L gives the wool fabric felting a shrinkage of 6.64% and a strength loss of 5.7%. Compared to the pretreatment method of Na<sub>2</sub>SO<sub>3</sub> restoration, the damage strength of wool fabrics has been greatly reduced. This synergistic treatment method provides a new idea for the shrinkage resistance of wool and expands the application of biotechnology-combined polymer technology in the wool industry.</p></div>","PeriodicalId":557,"journal":{"name":"Fibers and Polymers","volume":"26 5","pages":"1965 - 1978"},"PeriodicalIF":2.2,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143879580","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Predictions of Strength and Delamination Migration in Clamped Tapered Beam Using 3D Continuum Damage Modeling 用三维连续损伤模型预测夹紧锥形梁的强度和分层迁移
IF 2.2 4区 工程技术
Fibers and Polymers Pub Date : 2025-03-25 DOI: 10.1007/s12221-025-00923-2
Yu-Jui Liang
{"title":"Predictions of Strength and Delamination Migration in Clamped Tapered Beam Using 3D Continuum Damage Modeling","authors":"Yu-Jui Liang","doi":"10.1007/s12221-025-00923-2","DOIUrl":"10.1007/s12221-025-00923-2","url":null,"abstract":"<div><p>The clamped tapered beam composite laminates was originally designed by NASA to investigate the initiations of matrix crack and delamination, propagation, and subsequent crack-induced delamination migration from one ply interface to another, where the complex failure mechanisms have sparked growing interest. In this work, the progressive damage analysis of clamped tapered beam composite laminates under static loading is investigated for predicting strength and delamination migration using the 3D continuum damage modeling technique implemented in Abaqus UMAT. The 3D Hashin failure criterion is used to predict the fiber/matrix damage initiation within ply. The 3D continuum damage model is used for intralaminar damage progression, while the cohesive zone model is used for interlaminar damage between plies. The numerical predictions are compared with the experimental data obtained from the existing literatures including the strength and experimental observation of delamination migration distance from loading position. In summary, the numerical predictions accurately reflect the main features of the damage progression observed in the experiments, and the predicted strength and delamination migration shows a good agreement with the experimental results.</p></div>","PeriodicalId":557,"journal":{"name":"Fibers and Polymers","volume":"26 5","pages":"1831 - 1838"},"PeriodicalIF":2.2,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143879579","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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