Journal of Applied Polymer Science最新文献

{"title":"Robust Anti-Icing Superhydrophobic Composite Coating Using Carbon Nanofibers/Polyvinylidene Fluoride/Polytetrafluoroethylene via Supercritical Fluid Processing","authors":"S. Rajiv,&nbsp;Kumaran Shanmugam,&nbsp;R. Jeya Raj","doi":"10.1002/app.57184","DOIUrl":"https://doi.org/10.1002/app.57184","url":null,"abstract":"<div>\u0000 \u0000 <p>A highly efficient superhydrophobic composite coating was developed by applying a blend of carbon nanofibers (CNFs), polyvinylidene fluoride (PVDF), and polytetrafluoroethylene (PTFE) onto galvanized steel (GS) plates using the supercritical fluid processing method. This investigation is the first to showcase the superhydrophobic and anti-icing capabilities of the CNF/PVDF/PTFE composite, highlighting the effectiveness of supercritical fluid processing for advanced surface coating applications. The optimized 1 wt% CNF in the CNF/PVDF/PTFE composite coating exhibited a water contact angle (WCA) of 162.1°, highlighting its superior water-repellent and self-cleaning properties. Fourier transform infrared (FT-IR) spectroscopy revealed a unique peak at 3711 cm⁻¹ corresponding to the surface-OH functional group, enhancing the adhesion to the substrate, critical for long-term durability and practical applications. Atomic force microscopy (AFM) showed a surface roughness (Ra) of 4.87 nm, indicating a well-structured, uniform nanostructure crucial for hydrophobic behavior. The anti-icing performance of the composite was tested at −10°C, demonstrating its ability to resist ice formation and reduce surface adhesion, making it ideal for cold-environment applications. This study highlights the potential of the CNF/PVDF/PTFE composite as a next-generation material for self-cleaning and anti-icing technologies.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 29","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144331911","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efficient Ultrasonic-Assisted Preparation of Nano-Mg(OH)2 to Enhance Polydimethylsiloxane Composite Flame Resistance","authors":"Yuemiao Zhang,&nbsp;Kun Wu,&nbsp;Junxi Wan,&nbsp;Jun Shi","doi":"10.1002/app.57013","DOIUrl":"https://doi.org/10.1002/app.57013","url":null,"abstract":"<div>\u0000 \u0000 <p>In this innovative study, an ultrasonic-enhanced continuous-flow method is introduced for one-step synthesis of hydrophobic hexagonal nano-magnesium hydroxide (MH(nm)). Distinct from traditional heating, it shortens reaction time remarkably and has an excellent higher selectivity (purify MH efficiently). The MH(nm) particles present the optimal polydispersity index (PDI) of 0.368, a 218.75% decrease over commercially available MH(μm) particles. Benefiting from the synergistic outcome between the unique physical effect of nanomaterials and the ultrasonic cavitation phenomenon, the polydimethylsiloxane (PDMS) nanocomposites (SS@MH(nm)/PDMS) with MH(nm) modified by sodium stearate (SS@MH(nm)) present excellent thermal conductivity and hydrophobicity. When 30% SS@MH(nm) and 30% SS@MH(μm) are added to PDMS nanocomposites, 30% SS@MH(nm)/PDMS shows a thermal conductivity of 0.4568 W m⁻¹ K⁻¹, 28.35% higher. Its contact angle is 129.47°, 41.27% larger. THR and SPR decrease by 10.49% and 38.45%, respectively. This work provides a simple, green, and efficient process for the preparation of hexagonal MH(nm) with an ortho-hexagonal shape and uniform distribution, and prevents PDMS combustion-property degradation in humidity, offering high-performance flame-retardant materials for humid-environment electrical equipment, with great application potential.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 25","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100742","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Uniaxial Stretching of Biodegradable Poly(Butylene Succinate-Co-Adipate) Films Filled With Silane-Treated Wollastonite: Processing and Performance Evaluation","authors":"Debarshi Nath,&nbsp;Manjusri Misra,&nbsp;Amar K. Mohanty","doi":"10.1002/app.57160","DOIUrl":"https://doi.org/10.1002/app.57160","url":null,"abstract":"<p>With the increase in public awareness about climate change, research on bioplastic packaging films has intensified. This research aims to enhance the performance of bio-based Polybutylene succinate-co-adipate (BioPBSA) and silane-treated wollastonite (S-t-WS) films using the uniaxial stretching process. The composite films are prepared by adding 15 and 25 wt.% S-t-WS followed by uniaxial stretching at stretch ratio (SR) 2.5 and 3.5. The mechanical properties, such as tensile strength and Young's modulus of the films, increase considerably after stretching, with maximum improvements of approximately 213% and 25%, respectively, compared to their unstretched counterparts. The XRD and DSC analysis show that the % crystallinity of the films increases with uniaxial stretching. This is because of the strain-induced crystallization phenomenon, which enhances the mechanical properties. The morphology of the stretched and unstretched films reveals better filler dispersion in the 15 wt.% filled films compared to the 25 wt.% ones. The water vapor barrier performance of BioPBSA/15S-t-WS improves by 12% compared to its unstretched counterpart. Moreover, the water contact angle of all the film samples is also tested. Therefore, this first-ever study on uniaxially stretched BioPBSA/S-t-WS-based films at different SRs serves as a significant scientific contribution to developing robust biodegradable films for packaging applications.</p>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 28","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/app.57160","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144281413","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Curing Kinetic Models of Benzoxazine-Modified Phenolic Triazine Resin for the Dynamic Curing Process","authors":"Libin Wang,&nbsp;Zaiwen Lin,&nbsp;Weihua Xie,&nbsp;Weihui Shang,&nbsp;Fanzhe Bu,&nbsp;Yuxuan Xu,&nbsp;Songhe Meng","doi":"10.1002/app.57145","DOIUrl":"https://doi.org/10.1002/app.57145","url":null,"abstract":"<div>\u0000 \u0000 <p>The lack of curing kinetic models limits the vast application potential of the benzoxazine-modified phenolic triazine resin (PT/BZ for short). To address the challenges in characterizing and predicting curing processes, this paper applies the Šesták–Berggren model (SB model) and the polynomial model, both of which have been established and experimentally validated using dynamic differential scanning calorimetry (DSC) data. These attempts reveal limitations in existing curing methodologies and identify the causes of their deviations. Additionally, a novel model is proposed for the dynamic curing process of the PT/BZ resin, improving the curing rate data regression accuracy across the entire curing degree range. Moreover, the model demonstrates a strong capability in predicting curing degree, achieving a 51.55% reduction in forecast error relative to the SB model and a 15.70% reduction compared to the polynomial model. In addition, the model of PT resin monomer has a similar improvement effect on curing rate prediction error by the innovative modeling method. The novel models of the PT/BZ resin and the PT resin monomer serve as the basis for optimizing the curing temperature and characterizing the curing process. It offers a systematic way of modeling resin curing processes that involve multiple-step reactions.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 28","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144281414","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hemicellulose Extraction and Applications as Hydrogels: A Review","authors":"Heli Cheng,&nbsp;Yuxuan Fang,&nbsp;Bingzhe Chen,&nbsp;Jiansheng Gong,&nbsp;Peng Wang","doi":"10.1002/app.57190","DOIUrl":"https://doi.org/10.1002/app.57190","url":null,"abstract":"<p>Hemicellulose, as one of the key components of the plant cell wall, is the second most abundant plant polysaccharide in nature, after cellulose. It is highly valued by both the academic and industrial communities because of its low cost, environmental friendliness, renewability, and biodegradability. In this review, we provide a comprehensive elaboration of the mechanisms and the latest research advancements in hemicellulose extraction using various methods, including alkali extraction, hydrothermal pretreatment, acid extraction, and deep eutectic solvent extraction. Furthermore, applications of hemicellulose-based hydrogels as adsorbent, drug delivery materials, wound dressings, bone tissue engineering materials, and flexible sensors are presented. The four most commonly used types of hemicellulose polysaccharides regarding wound healing, including xyloglucan, xylan, konjac glucomannan, and seed-derived galactomannan, are systematically addressed. At last, perspectives on current challenges and future development trends of hemicellulose are briefly presented. The purpose of this review is to provide actionable strategies for biomass valorization.</p>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 29","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/app.57190","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144331909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Study on the Performance and Mechanism of Sulfonate Phosphazene High-Efficiency Flame Retardant Polycarbonate","authors":"Xiao Wang,&nbsp;Jie Ren,&nbsp;Pengchong Liu,&nbsp;Zhengjie Wang,&nbsp;Xuemei Ma,&nbsp;Hailin Zhu,&nbsp;Zhongping Ma,&nbsp;Yongqiang Sun,&nbsp;Zhiyong Hu","doi":"10.1002/app.57156","DOIUrl":"https://doi.org/10.1002/app.57156","url":null,"abstract":"<div>\u0000 \u0000 <p>To develop a new type of efficient flame retardant that can both improve the flame retardancy and maintain the mechanical properties of polycarbonate (PC), a novel sulfonated phosphonitrile flame retardant, hexaphenoxycyclotriphosphazene (HPCTP)-SK, was synthesized via an electrophilic substitution reaction using HPCTP and fuming sulfuric acid as raw materials. HPCTP-SK was subsequently introduced into PC. Compared with pure PC, the addition of HPCTP-SK at 0.10 wt% in PC increased the limiting oxygen index value from 26.8% to 35.5%, the UL-94 test passed the V-0 rating, the peak heat release rate was reduced by 44.6%, and the carbon monoxide release (COY) was reduced by 19.4%. Furthermore, the introduction of HPCTP-SK did not show a significant effect on the mechanical properties of PC; the tensile strength of the PC/HPCTP-SK composites remained similar, and the impact strength and flexural strength were only decreased by 2.57% and 12.68%, respectively. The introduction of this advanced flame retardant promotes the high flame retardancy of PC through the synergistic effect of the three elements N, P, and S, which in turn meets the demand for highly efficient flame retardant PC in various industries.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 28","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144281569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Characterization of Graphene–Ethylene Propylene Diene Monomer/Butyl Rubber Hybrid Nanocomposite Strain Sensor","authors":"Aashish Tuli,&nbsp;Amrinder Pal Singh,&nbsp;Abhinav Kumar","doi":"10.1002/app.57175","DOIUrl":"https://doi.org/10.1002/app.57175","url":null,"abstract":"<div>\u0000 \u0000 <p>This study focuses on developing an elastic nanocarbon-reinforced ethylene propylene diene monomer (EPDM)/butyl rubber (IIR—isobutylene isoprene rubber) hybrid nanocomposite strain sensors with enhanced conductivity for human motion detection applications. The multiwalled carbon nanotubes (MWCNTs) and graphene (GR) sheets were incorporated as reinforcements in the matrix using the solution blending technique to improve the sensing capabilities. The effect of different weight percent loading of GR has been investigated on the morphology and conductivity of GR/MWCNTs-EPDM/IIR hybrid nanocomposite, keeping the weight percent loading of MWCNTs constant. The FE-SEM analysis, TEM analysis, Raman spectroscopy, and FT-IR spectroscopy of the synthesized samples revealed the distributed formation of the GR/MWCNTs network along with good interfacial adhesion with the matrix. It is evident from the TEM images that MWCNTs bridged the gap between GR sheets, whereas GR formed interconnection sites between the MWCNTs. Thus, the hybrid nanofillers better promote the formation of local conductive paths leading to improved electrical conductivity at low percolation thresholds. The tensile strength and elongation at the break of the composite samples were also analyzed. The optimum tensile strength and elongation at break were obtained as 8.58 MPa and 78%, respectively, for the sample with 7.5 wt.% MWCNT and 5 wt.% GR reinforcement. The conductivity of the prepared specimen was examined using the 4-probe method. The results show that the conductivity of specimens with 5 wt.% and 7.5 wt.% GR increased by 68.75% and 154.16%, respectively, as compared to the specimen with 3.5 wt.% GR. This increase in conductivity can be attributed to the improvement in the percolation pathways. The resistance-time response and repeatability of the sensor were tested by doing manual folding for 1000 cycles. The performance of the hybrid nanocomposites makes it a promising candidate for strain sensor applications in human motion such as finger fold and wrist bend.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 29","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144332017","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comprehensive Evaluation and Application of a Hybrid Gel System for Conformance Control in Shinan Reservoir","authors":"Nan Wang,&nbsp;Zheng Rao,&nbsp;Chunguang Zhang,&nbsp;Zhiqiang Liu,&nbsp;Chao Hou,&nbsp;Yang Luo,&nbsp;Lingshuai Zeng,&nbsp;Xuanwei Zhang,&nbsp;Jihao Yu,&nbsp;Shunpeng Zeng","doi":"10.1002/app.57171","DOIUrl":"https://doi.org/10.1002/app.57171","url":null,"abstract":"<div>\u0000 \u0000 <p>After long-term production, most mature reservoirs have severe conformance issues, which are extremely difficult to solve by deploying solely gel systems. In this work, we developed a hybrid gel technology for the Shinan oil reservoir, which involves the sequential injection of in situ gel and microgel, with in situ gel aimed at plugging the primary high conductivity zones such as fractures and high permeability highly water-washed zones and microgel targeted at other highly water-washed zones that were not plugged by in situ gel. We systematically studied factors affecting the gelation time, thermal stability, and plugging performance of in situ gels and microgels. Results showed that shearing in the rock matrix is the key factor affecting the gelation behavior and gel strength. The plugging performance decreases as the permeability contrast increases. The core flooding test using artificial two-layer core showed that the stable water flooding pressure gradient after in situ gel treatment could be further increased by 0.25 MPa/m by tailing microgel. The field application of this new technology showed that the average water injection pressure was increased by 1.8 MPa, the daily liquid production was increased by 92.3 t, and the water cut was reduced by 6.5%.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 29","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144332016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Synthesis of Ethylenediamine–Graphene Oxide Coating on Carbon Steel by Electrophoretic Deposition and Its Anticorrosion Properties","authors":"Xiaoming Cai,&nbsp;Shaoqiu Wang,&nbsp;Wen Gao,&nbsp;Aniqa Jadoon,&nbsp;Zhiwu Zhang,&nbsp;Ziming Zhao,&nbsp;Yu Gao,&nbsp;Jinming Cai,&nbsp;Zijian Liu,&nbsp;Zhangyong Wu","doi":"10.1002/app.57193","DOIUrl":"https://doi.org/10.1002/app.57193","url":null,"abstract":"<div>\u0000 \u0000 <p>Graphene oxide (GO) is widely used in carbon steel anticorrosion coatings due to its unique two-dimensional structure. However, pure GO is hydrophilic, and the GO coating is easily damaged and fails by the erosion of water molecules. In this paper, ethylenediamine (EDA) is used to reduce and modify GO, and a simple and environmentally friendly electrophoretic deposition (EPD) method is used to deposit EDA-GO coatings on carbon steel, which are then surface treated with stearic acid (SA) solution to form SA-EDA-GO coatings. A series of analyses show that ethylenediamine successfully functionalizes and partially reduces GO, forming coatings with higher crystallinity. The results of the pull-off test prove that ethylenediamine can act as a complexing agent to increase the bonding force between the coating and the metal. Electrochemical tests show that the EDA-GO coating structure is denser, the flakes are more organized, and the corrosion resistance of the coating is improved. The cobweb-like structure on the surface of the SA-EDA-GO coating can reduce the aggregation of water droplets on the surface of the coating and provide better corrosion resistance, which can be more widely used in the field of corrosion protection of carbon steel.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 29","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144331965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"3D Printable Dual-Cured PUA Elastomer Sensors: Low Viscosity, Volume Shrinkage, Heat Treatment Temperature and Excellent Mechanical Properties","authors":"Lei Cao,&nbsp;Xiaofei Liu,&nbsp;Hai Zhang,&nbsp;Zongbao Liu,&nbsp;Lin Li,&nbsp;Junping Zheng","doi":"10.1002/app.57204","DOIUrl":"https://doi.org/10.1002/app.57204","url":null,"abstract":"<div>\u0000 \u0000 <p>The dual-curing polyurethane acrylate elastomers are researched to obtain 3D printable elastomers with high tensile strength and elongation at break. This resin is applied to 3D print a complex lattice structure, with a viscosity of 407.4 mPa s at 25°C, and a wavelength of 405 nm ultraviolet. Then the 3D printer is heat-treated at 93.79°C; its volume shrinkage rate is only 0.54%, and its tensile strength and break elongation are 15.5 MPa and 476.0%, which are enhanced 61.5% and 143.9% compared to simple photopolymerization. Because this 3D-printed elastomer occurred two crosslinking reactions through the dual thermal curing, one is between the <span></span>NCO groups and the amine groups, and the other is between the epoxy groups and the amine groups. Therefore, an interpenetrating network system with a crosslinked structure is finally formed in our elastomer, which has satisfactory performance to meet the requirements of 3D printing, such as low viscosity, low heat treatment temperature, low volume shrinkage, and high mechanical strength. On this basis, two types of conductive fillers are added. The results of electrical tests and dynamic detection tests show that the modified elastomer has excellent sensitivity and stability and is expected to be used in flexible sensors.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 29","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144332003","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}