RSC Advances
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2025
·Vol. 15
·期 47
·40231-40244
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IF 4.6
Zhiwei Chang,Xiaochun Bao,Guimin Yuan,Yuang Ma,Ming Li,Hanjie Ying
The fabrication of eco-friendly bio-based epoxy resins is of critical importance for addressing the excessive consumption of petroleum resources and the release of harmful substances caused by petroleum-based thermosetting epoxy resins. However, the non-recyclability and poor mechanical properties of bio-based epoxy resins hinder their further development and application. Herein, a strong, tough, recyclable, and multifunctional bio-based epoxy vitrimer is prepared using epoxidized soybean oil (ESO) and lignin-based aromatic monomers of vanillyl alcohol, guaiacol, and vanillin. These lignin-based aromatic monomers provide bio-based aromatic building blocks for the synthesis of bisguaiacol F diamine vanillin (BGAV) with dynamic imine bonds, which is employed as a curing agent for ESO to fabricate a bio-based epoxy vitrimer incorporating a dynamic network. The BGAV forms rigid polyaromatic segments in the network to enhance the stability of the polymer, thereby leading to a high mechanical strength of 21.81 MPa for the epoxy vitrimer. Moreover, the hydrogen bonds in the network serve as sacrificial bonds to increase the ability of energy dissipation, thereby resulting in excellent toughness of 27.53 MJ m−3 for the epoxy vitrimer. Additionally, the reversible reconstruction of dynamic imine bonds within the network endows the vitrimer with favorable self-healing properties and recyclability. Furthermore, the vitrimer also exhibits outstanding antibacterial properties, mold resistance, photothermal conversion performance, water resistance, and bonding performance. This work provides an effective approach for the development of recyclable bio-based epoxy resins with exceptional mechanical properties and multifunctionality.
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PubMed
高影响因子
JOURNAL OF MATERIALS SCIENCE
·
2025
·
IF 3.9
Meng Kejiangnan,Wu Hongwu,Zhang Chenxing,Han Lei
A facile two-step modification method using dodecyltrimethoxysilane (DTMS) was developed to fabricate a superhydrophobic wood sponge for oil–water separation from natural green renewable balsa wood. First, alkali treatment was performed on balsa wood to remove hemicellulose and lignin to obtain a rough surface and micron-sized pores, preparing flexible balsa wood (FBW). Second, DTMS was grafted onto the surface of FBW via solution impregnation to construct a micro/nano-coating, yielding a dodecyltrimethoxysilane decorated wood sponge (DWS). The DWS surface exhibited a high water contact angle (WCA) of 150.5°, confirming its superhydrophobicity. DWS demonstrated effective oil absorption from oil–water mixtures. Scanning electron microscopy revealed that FBW possessed an interconnected three-dimensional porous network, enabling DWS to achieve high absorption capacities of 12–31 g g −1 for various oils and organic reagents. After 10 cycles, the absorption capacity remained stable, and the WCA was maintained at 143.2°, indicating excellent recyclability. This two-step modification method requires only 5 h of alkali treatment and 2 h of DTMS grafting, and balsa wood is a natural renewable resource. This study provides a potential strategy for developing superhydrophobic materials to address crude oil spills and sewage pollution.
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PROGRESS IN ORGANIC COATINGS
·
2025
·
IF 7.3
Shuqun Zhang,Yiyuan He,Peng Xiang,Jun Li,Yunfei Zhi,Yunfei He,Shaoyun Shan
Water-based inks offer a sustainable alternative to solvent-based systems, yet their performance remains limited by particle sedimentation, poor dispersion, and insufficient film adhesion. In this study, multifunctional hybrid microspheres (SiO 2 -g-R-P) were synthesized by sequentially grafting rosin-derived acrylates and polyethylene glycol (PEG) onto silica particles. The rosin shell enhances compatibility with polyurethane–acrylic binders, while PEG chains provide steric stabilization and hydrophilicity. When incorporated at 1.5 wt% into water-based inks, the modified microspheres markedly improved dispersion stability (ζ potential = −51.6 mV), suppressed sedimentation for over 60 days, and enhanced low-shear viscosity by forming a weak reversible 3D particle network, with the formation of this network demonstrated via oscillatory rheometry (average G″ = 0.35 Pa, average G′ = 7.82 Pa). The resulting inks achieved high-resolution image transfer and strong substrate adhesion (ASTM D3359 rating 2B to 5B) on both paper and steel substrates, outperforming the unmodified formulation. These improvements stem from the synergistic effects of hydrogen bonding, steric hindrance, and particle–matrix interactions at the ink–film interface. This surface-engineering strategy provides a scalable and environmentally friendly approach for developing high-performance inks with enhanced print fidelity, mechanical durability, and colloidal stability across various substrate types.
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CHEMICAL ENGINEERING JOURNAL
·
2026
·
IF 12.5
Yixuan Jiang,Botao Gao,Yan Dong,Wenzheng An,Juntai Lv,Zehao Kang,Yongbin Zhang,Dongzhi Zhang
The accurate, simultaneous, and in situ monitoring of multiple sweat biomarkers holds great promise for both athletic performance optimization and disease management. Sweat biomarker monitoring using a wearable colorimetric sweat sensor provides a wireless, electronic-free, and battery-free strategy with easy integration with smart mobile devices such as smartphones. However, existing wearable colorimetric sweat sensors still suffer significantly from ambient light interference, sweat pH variation-induced detection errors, and the physiological variability of sweat rate. In this study, we introduce a smart wearable microfluidic colorimetric sensing system (SWSS) that overcomes these challenges by integrating a flexible epidermal patch with an AI-assisted cloud analytical pipeline. The disposable microfluidic patch enables passive sweat collection and features multiplexed colorimetric assays for chloride, pH, urea, and lactate, alongside a microfluidic channel for sweat rate tracking. Images acquired using a smartphone are uploaded and processed through a backend cloud system featuring an AI-powered data processing system. This system automatically corrects the errors caused by varying lighting conditions and varying sweat pH, thus improving detection accuracy significantly. In addition, this sensor system measures and calculates sweat rate from the dye front's displacement in the sweat rate channel, enabling a sweat rate normalization framework which enhances physiological interpretability. Experimental results demonstrate excellent agreement between predicted and true concentrations across all analytes (R 2 ≥ 0.994). The system further supports on-body testing and real-time analysis through seamless smartphone integration. These findings highlight SWSS platform as a promising next-generation platform for accurate and individualized sweat biomarker sensing for human physiological status monitoring.
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ADVANCED FUNCTIONAL MATERIALS
·
2026
·
IF 19.9
Qing He,Zhenya Zhao,Guiqi Zhang,Li Cheng,Guanhong Zhu,Yijun Hou,Qinyi Hu,Yue Wang,Songchao Fu,Cihui Liu,Qidi Zhang
Endoscopic sphincterotomy (EST) remains essential for managing biliary obstruction but lacks tools that both restore tissue integrity and continuously monitor sphincter mechanics post-procedure. This work introduces a catheter-deployable, magnetically guided Janus hydrogel actuator patch that couples precise biliary sealing with real-time mechano-sensing. The bilayer design integrates a hydrophobic PDMS/Fe 3 O 4 top layer for magnetic steering and anti-adhesion with a hydrophilic PNIPAM bottom layer that swells to conform and adhere to mucosa, enabling secure deployment and anti-reflux sealing. Mechanical deformations are transduced into resistance changes with fast electrical response (≈79 ms) and recovery (≈85 ms), supporting continuous readout of contraction, dilation and subtle vibrations. In benchtop ducts and ex vivo intestinal models, the patch exhibits directed motion under uniform fields, stable adhesion under sustained flushing and agitation, and repeatable thermo-/swelling-driven actuation. Waveform features of relative resistance enable machine-learning classifiers to discriminate multiple deformation states with high accuracy, providing objective indicators of healing progression. This soft, steerable hydrogel platform addresses an unmet need in post-EST care by unifying minimally invasive deployment, robust sealing and quantitative biomechanical monitoring, and it offers a generalizable route to personalized management of biliary and other soft-tissue repairs.
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Laser & Photonics Reviews
·
2026
·
IF 9.7
Dawei Wen,Haoyuan Weng,Bin Xiao,Pan Wang,Ruijing Fu,Zhiwei Ma,Qingguang Zeng,Guanjun Xiao
Luminescence pressure sensors, valued for their remote sensing capability and high resolution, have been developed recently. However, most current sensors rely on a linear relationship between an optical property and pressure. We propose a nonlinear machine learning (ML) method to model the luminescence intensity ratio (LIR) as a function of pressure. The versatility and performance of this method are demonstrated using (Y,Gd)(Al,Ga) 3 (BO 3 ) 4 :Cr 3+ phosphors as luminescent pressure sensors. The relative sensitivities of the 2 E → 4 A 2 / 4 T 2 → 4 A 2 LIRs in (Y,Gd)(Al,Ga) 3 (BO 3 ) 4 :Cr 3+ range from 1.58%/GPa to 25.27%/GPa. The ML fitting demonstrates a superior performance compared to linear fitting, with lower mean absolute errors (0.0355–0.1499 GPa vs. 0.1209–0.6955 GPa) and higher R 2 values (99.70–99.98% vs. 93.69–99.79%). The ML fitting method is more suitable for modeling the nonlinear relationships between LIR and pressure than traditional linear fitting. The nonlinear ML fitting approach offers a powerful new way to model the relationships between luminescence features and various physical parameters.
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ADVANCED FUNCTIONAL MATERIALS
·
2026
·
IF 19
Zhijie Wang,Jiajing Huang,Wenbo Lin,Rui Xu,Cheng-Te Lin,Yue Lin
Thermal interface materials (TIMs) for high-power, highly integrated electronics must deliver high intrinsic thermal conductivity, thin bond lines, and excellent interfacial contact. Yet the high filler loadings required for percolated heat paths typically stiffen the composite, thicken the bond line, and raise contact resistance. Here, we show that the alkyl chain length of self-assembled monolayers (SAMs) on Al 2 O 3 fillers is a powerful molecular lever to co-optimize bulk and contact contributions to the effective thermal resistance R EFF in silicone-based TIMs. Using a library of chemically identical silanes (C1–C18) grafted onto hydroxylated Al 2 O 3 , we map how chain length controls filler surface energy, dispersion, rheology, and bond-line thickness ( BLT ). Surface energy analysis identifies an optimal surface energy match between filler and matrix at C4, which minimizes re-agglomeration. This matching reduces yield stress and enhances shear thinning, collapsing BLT from ∼608 µm (unmodified) to ∼20 µm at C4 under identical pressure. Atomic force microscopy measurements reveal a soft, highly dissipative “molecular spring” at C4 that combines low interfacial modulus with maximal adhesion, suppressing contact resistance. The C4 formulation thus attains an ultra-low R EFF of 0.142 K cm 2 W −1 , establishing a general molecular-to-macro design rule for oxide-filled TIMs.
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RSC Advances
·
2026
·Vol. 16
·期 8
·6865-6875
·
IF 6.1
Minjia Yuan,Zhihui Zheng,Yan Yu,Yi Wang,Wenxing Wang,Qi Li,Xiaomin Li,Dongyuan Zhao
To address the growing demand for advanced oil-control materials in cosmetics, this study developed novel flower-like mesoporous silica nanoparticles (FLS) with topology-enhanced oil–adsorption properties. Using a biphasic microemulsion synthesis strategy, FLS with petal-like surface topology, radial pore channels, and excellent colloidal stability were successfully prepared. Compared with conventional mesoporous silica nanoparticles (MSN) with small mesopores (2–3 nm) synthesized via the classical Stöber method, FLS exhibited significantly superior oil-absorption capacity across a wide range of oils, with maximum uptake nearly twice that of MSN. Notably, FLS showed exceptional adsorption efficiency for large-molecular-weight oils, demonstrating an approximately 226.3% increase over MSN in adsorbing PDMS-15000 w. This remarkable enhancement is attributed to the unique flower-like topology, which provides large open concave structures for instantaneous oil wetting and straight, radially aligned mesochannels for rapid oil transport and maximized pore utilization. In vivo human skin tests further confirmed the cosmetic efficacy of FLS. Collectively, these findings position FLS as a next-generation oil-control material and highlight topology-enhanced oil adsorption as a novel design strategy for advanced adsorbents.
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JOURNAL OF APPLIED POLYMER SCIENCE
·
2026
·
IF 2.8
Wenju Zhu,Jiarui Liu,Shuixia Liu,Huili Zhang,Chunlei Jiang,Kai Ma,Wei Peng,Shuolong Wang,Shuang Xu,Chunming Zheng,Zhao Dai,Bowen Cheng
Cotton fibers are widely used in the textile industry due to their natural hydrophilicity, breathability, and comfort, but their highly flammable nature severely limits their use in protective clothing, home furnishings, and other applications. In order to meet the multi-functional requirements of cotton fibers, such as hydrophobicity and flame retardancy, combined with the research trend of eco-friendly bio-based flame retardant research, this study uses cottonseed meal as the core raw material. Phosphoric acid and polymethylhydrosiloxane were selected as modification agents, with H 2 O 2 serving simultaneously as both solvent and degrading agent. A bifunctional reagent CPSi with flame-retardant and hydrophobic properties was successfully prepared by a one-pot method. Through the dipping-baking-curing finishing process, cotton fiber DC-CPSi with hydrophobic and durable flame-retardant properties was prepared. To characterize the coating on the cotton fibers, we employed techniques such as Fourier Transform Infrared Spectroscopy (FTIR), X-ray Photoelectron Spectroscopy (XPS), and Scanning Electron Microscopy (SEM) to examine the morphology and bonding modes of the dual-function reagent. After 50 washing cycles, the durable hydrophobic flame-retardant cotton fiber (abbreviated as DC-CPSi-50) showed a damage length of 65 mm in the vertical combustion test (VFT) and a limit oxygen index value (LOI) of 35.6%, indicating excellent durable flame retardancy. The PHRR and THR of DC-CPSi-50 were reduced by 82.69% and 41.41%, respectively, compared with untreated cotton fibers, demonstrating excellent flame-retardant performance. Additionally, the flame-retardant cotton DC-CPSi-50 exhibited good hydrophobic performance, achieving a contact angle of 128.23° at 30 s, significantly higher than the 84.63° contact angle observed in the control cotton. This study uses bio-based cottonseed meal combined with a simple and environmentally friendly synthesis process, providing a new approach for developing safer, more functional, and environmentally friendly textile finishing technologies. This method has significant application potential in protective clothing, household textiles, and other areas that require high performance and sustainability.
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Plasmonics
·
2026
·
IF 4.3
Xu Yanpei,Hao Haixing,Wang Qi
This work presents a high-sensitivity surface plasmon resonance (SPR) temperature sensor based on a BK7 prism coated with silver film and NiO nanoflowers. NiO nanoflowers were synthesized via hydrothermal method and deposited onto the Ag film using a drop-casting technique (3 cycles optimized). The resulting BK7/Ag/NiO nanoflowers structure significantly enhances refractive index (RI) sensitivity. Finite element method (FEM) simulations and experimental measurements confirmed the sensor's performance. The Ag/NiO nanoflowers sensor achieved a remarkable RI sensitivity of 4138.34 nm/RIU, representing a 63.83% improvement over a bare Ag film sensor. Leveraging this enhanced sensitivity and the strong thermo-optic coefficient of silicone oil, a temperature sensor (BK7/Ag/NiO nanoflowers /silicone oil) was developed. It exhibited an excellent temperature sensitivity of -1.61 nm/°C over the range of 25 °C to 75 °C, with a low detection limit of 0.075 °C. The sensor also demonstrated good repeatability and stability, making it a promising candidate for highly sensitive temperature sensing applications.
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Coatings
·
2026
·Vol. 16
·期 1
·135
·
IF 2.8
Chanxi Yan,Gaoping Liu,Qing Zhu,Yashi Zhou,Yuan Yuan
Ice accumulation on power transmission lines poses serious threats to operational safety and can lead to substantial social and economic impacts. While various anti-icing coatings have been investigated, their performance is often limited by the effectiveness and durability of anti-icing. Slippery lubricant-infused porous surfaces (SLIPSs) have shown remarkable anti-icing properties and durability, aided by their lubricant-infused and self-healing capability. In this study, SLIPSs were successfully fabricated on aluminum substrates using a two-step anodization process. The effects of the anodizing parameter of the current density on pore diameter and depth at each stage were systematically investigated. Compared to untreated aluminum and superhydrophobic coatings (SHCs), SLIPSs presented good anti-icing properties. First, at −6 °C, droplets slid off the surface completely within 4340.5 ms without pinning, indicating sustained droplet-shedding capability. It also significantly delayed ice formation, extending the freezing time to 80 min—eight times longer than that of the untreated surface. Moreover, the SLIPSs also exhibited ultra-low ice adhesion, with an initial strength of only 6.93 kPa. Meanwhile, after 100 frosting–defrosting cycles, SLIPSs could still maintain low ice adhesion strength (<20 kPa). The prepared SLIPS with a Y-shaped pore structure demonstrates good potential for anti-icing.
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Surfaces and Interfaces
·
2026
·
IF 6.3
Huiying Xiang,Jing Zhao,Qian Wang,Shengfang Li,Yi Liao,Xiao Zhu,Yuan Yuan
Slippery lubricant-infused porous surfaces (SLIPS) have shown considerable promise for durable anti-icing applications, particularly when using high-viscosity lubricants. Nevertheless, high-viscosity lubricants tend to accelerate the propagation of fine frost crystals across the SLIPS. Herein, a chemical modification strategy for high-viscosity silicone oil-specifically by incorporating 2 wt% silane-is proposed to enhance its frost resistance. The anti-frosting performance and durability of SLIPS fabricated with the modified silicone oil were systematically evaluated, with comparative analyses performed against SLIPS infused with unmodified lubricants of different viscosities and alternative lubricant types. Results indicate that the lubricant modification retains the excellent liquid-repellent and anti-icing capabilities inherent to SLIPS. More notably, the modified SLIPS demonstrates remarkable anti-frosting performance, outperforming counterparts infused with low-viscosity lubricants—almost no icing was observed after 1.5 h under low-temperature and high-humidity conditions. The modified silicone oil is covered with a large number of non-polar long-chain alkyl groups, which reduces the intermolecular interactions between the slippery surface and water. Furthermore, the modified SLIPS inherit the superior durability of high-viscosity lubricants, exhibiting an ice adhesion strength of merely 12.4 kPa even after 20 icing/deicing cycles. Additionally, the modified silicone oil endows SLIPS with better anti-frosting performance and durability compared to other lubricant types. This study provides valuable theoretical guidance for lubricant selection in the development of high-performance anti-icing SLIPS.
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危险品化学品经营许可证（带存储）