OPTICS AND LASER TECHNOLOGY
·
2017
·
IF 2.109
Yuxin Song,Cong Wang,Xinran Dong,Kai Yin,Fan Zhang,Zheng Xie,Dongkai Chu,Ji'an Duan
In this study, a facile and detailed strategy to fabricate superhydrophobic aluminum surfaces with controllable adhesion by femtosecond laser ablation is presented. The influences of key femtosecond laser processing parameters including the scanning speed, laser power and interval on the wetting properties of the laser-ablated surfaces are investigated. It is demonstrated that the adhesion between water and superhydrophobic surface can be effectively tuned from extremely low adhesion to high adhesion by adjusting laser processing parameters. At the same time, the mechanism is discussed for the changes of the wetting behaviors of the laser-ablated surfaces. These superhydrophobic surfaces with tunable adhesion have many potential applications, such as self-cleaning surface, oil–water separation, anti-icing surface and liquid transportation.
研究领域:
材料科学
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表面工程
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产品关联
DOI
高影响因子
ADVANCED MATERIALS
·
2024
·Vol. 36
·期 29
·2314004
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IF 27.4
Jing Jiang,Chenglong Li,Chenhong Chen,Chuanqian Shi,Jizhou Song
Transfer printing techniques based on tunable and reversible adhesives enable the heterogeneous integration of materials in desired layouts and are essential for developing both existing and envisioned electronic systems. Here, a novel tunable and reversible adhesive of liquid metal ferrofluid pillars for developing an efficient magnetically actuated noncontact transfer printing is reported. The liquid metal ferrofluid pillars offer the appealing advantages of gentle contact force by minimizing the preload effect and exceptional shape adaptability by maximizing the interfacial contact area due to their inherent fluidity, thus enabling a reliable damage-free pickup. Moreover, the liquid metal ferrofluid pillars harness the rapid stiffness increase and shape change with the magnetic field, generating an instantaneous ejection force to achieve a receiver-independent noncontact printing. Demonstrations of the adhesive of liquid metal ferrofluid pillars in transfer printing of diverse objects with different shapes, materials and dimensions onto various substrates illustrate its great potential in deterministic assembly.
研究领域:
材料科学
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电子工程
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DOI
PubMed
高影响因子
JOURNAL OF POLYMER SCIENCE
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2025
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IF 3.6
Senyuan Hao,Qizhi Ma,Menghui Cao,Yunchao Jia,Yilong Li
Ionogels play a significant role in advancing flexible electronic devices due to their exceptional ion conductivity, thermal stability, biocompatibility, and electrical reliability. However, achieving integrated high-stretchability, self-adhesiveness, and self-healing properties simultaneously in a single system remains a huge challenge, which limits their range of applications. Here, a multifunctional ionogel is proposed for wearable strain sensors. The ionogel exhibits promising and adjustable mechanical properties, tunable adhesion, and good self-healing properties. We demonstrate that ionogels exhibit high strength (~1.3 MPa) along with exceptional elongation (~1700% strain), fracture energy (~1300 J m −2 ), self-healing capability, adhesion properties, and high sensitivity, thus expanding their potential applications to a wider range of scenarios. The method of adjusting the ionogel's molecular structure and enhancing its flexibility through a one-step copolymerization can also be applied to other monomers and ionic liquids, demonstrating potential as engineering materials and wearable sensors. Graphical Ionogels were successfully synthesized through a one-step copolymerization of ternary polymers, which exhibit tunable mechanical properties, strong adhesion, and excellent self-healing capabilities. Our results show that these ionic gels possess high strength, remarkable elongation, superior self-healing performance, excellent adhesion, and high sensitivity. These properties enable their versatile potential applications in fields such as soft electronics, biomaterials, and sensors.
研究领域:
材料科学
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柔性电子
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生物材料
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DOI
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
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2017
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IF 4.233
Ailin Gao,Fu Liu,Zhu Xiong,Qing Yang
Superhydrophobic membranes with tunable adhesion have attracted intense interests for various engineering applications. In this work, superhydrophobic sustainable poly (lactic acid) (PLA) porous membrane with tunable adhesive force from 101 μN to 29 μN was successfully fabricated via one-step phase separation method. The incorporation of Perfluoro-1-decene (PFD) into the PLLA/PDLA membrane via the in situ polymerization can facilely tune the PLLA/PDLA stereocomplex crystallization during phase inversion, which consequently caused the unique morphology blooming evolution from bud to full-blown state. The resulted membrane showed tunable pore size, porosity, surface area, surface roughness and superhydrophobicity, which enabled the membrane with controlled-release of oil soluble drugs.
研究领域:
材料科学
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药物递送
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生物医学工程
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产品关联
DOI
PubMed
高影响因子
ADVANCED FUNCTIONAL MATERIALS
·
2023
·
IF 19
Xiaofeng Liu,Lei Jia,Yufen Li,Ruoxi Zhao,Chao Wu,Zhimin Xie,Zhongjun Cheng,Yuyan Liu,Dongjie Zhang
Switchable adhesion, especially that responds to both solids and liquids simultaneously, has recently attracted much attention due to its wide applications. However, it is hard to endow a surface with switchable solid/liquid adhesion and high maximum solid adhesion at the same time due to the opposing requirement of solid contact fraction. In this paper, a shape memory/elasticity dual-structure adjustable strategy to satisfy that special demand is offered. In detail, by constructing the shape memory epoxy resin arrays with spherical polyurethane mushroom on Fe 3 O 4 doped substrate, a smart photo/thermal responsive material with switchable solid/liquid adhesion is prepared. In the work, the structure of the shape memory resin arrays can be reversibly changed between upright and collapsed states, leading to switchable solid and liquid adhesion. Meantime, the structure of the polyurethane mushroom can be squeezed to increase the contact area with the solid and spontaneously recovered, which can effectively improve the maximum solid adhesion with no effect on liquid adhesion. Furthermore, the obtained material has good cyclicity and universality, which has been applied to selectively pick silicon wafers and water droplets. The findings of this study may provide new strategies for the development of smart adhesive materials.
研究领域:
材料科学
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表面工程
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产品关联
DOI
高影响因子
ACS Applied Polymer Materials
·
2025
·
IF 4.7
Daokun Wen,Peize Yang,Yunxiang Ma,Mengyao Wu,Xiaoshuang Li,Minghui Zhu,Bing Geng,Guanghui Cui,Hui Li
With the popularization of the concept of sustainable development, biobased precursors are attracting increasing attention in the production of UV-curable adhesives. In this study, a straightforward solvent-free approach to prepare biobased adhesives was employed to synthesize methacrylic acid-modified epoxy soybean oil (AESO), which was subsequently blended with flexible hyperbranched siloxane (HPSI-HS) and hydrophobic 2,2,2-trifluoroethyl methacrylate (TFEMA) monomers. The resultant adhesive can be effectively adhered to the substrates through in situ UV curing with the help of initiators. The introduction of HPSI-HS and TFEMA not only reduced the viscosity of the adhesive, achieving a solvent-free adhesion process, but also improved the adhesion strength, flexibility, and thermal stability of the adhesives. The adhesive exhibits exceptional bonding strength to a variety of substrates, including glass, PVDF, copper, and aluminum. The adhesive is insoluble in water and can be bonded in various liquid environments including dimethyl silicone oil, artificial sweat (pH 4.7), seawater, deionized water, hydrochloric acid aqueous solution, and sodium chloride aqueous solutions. The adhesive is prone to degradation in a concentrated alkaline solution. Both the adhesion strength and degradation performance can be effectively modulated by adjusting the formulation meticulously. The multifunctional, degradable, and biobased fluorosilicone adhesive that is suitable for diverse application scenarios presents a practical approach to the advancement of green adhesives.
研究领域:
材料科学
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可持续发展
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化学工程
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DOI
高影响因子
Advanced Materials Interfaces
·
2017
·Vol. 4
·期 20
·1700490
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IF 4.279
Qi-Zhi Zhong,Ming-Han Yi,Yong Du,Ai He,Zhi-Kang Xu,Ling-Shu Wan
Micro/nanostructured surfaces with designable wettability show great promise in many fields. This paper reports a new strategy for fabricating superhydrophobic surfaces with tunable water adhesion force by combining multiscale surface structures and mussel-inspired surface chemistry, which can be used for multiple liquid manipulations. Highly ordered porous films prepared by the breath figure method enable convenient construction of surfaces with honeycomb-patterned or nanosized pincushion-like structures. Multiple liquid manipulations including no-loss transportation of water droplets, water collection, programmable movement of water droplets, and chemical reaction monitoring are demonstrated on the micro/nanostructured surfaces. The proposed method is facile, energy-efficient, and can be conducted for the preparation of superhydrophobic surfaces with high contrast adhesion patterns.
研究领域:
材料科学
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表面工程
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微流体技术
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DOI
高影响因子
Nanomaterials
·
2021
·Vol. 11
·期 6
·1486
·
IF 5.076
Xuan Wang,Weihua Ao,Sijia Sun,Han Zhang,Run Zhou,Yangzi Li,Jie Wang,Hao Ding
Superhydrophobic coatings with intelligent properties have attracted much attention because of their wide application in many fields. However, there is a limited amount of literature on superhydrophobic coatings whose wettability and adhesion can be adjusted by UV irradiation and calcination at the same time. In this study, amorphous SiO2microspheres (A-SiO2) and nano-TiO2particles (N-TiO2) were used to fabricate A-SiO2/N-TiO2composites by wet grinding, and then, they were modified with polydimethylsiloxane (PDMS) and sprayed onto substrate surfaces to obtain a tunable adhesive superhydrophobic A-SiO2/N-TiO2@PDMS coating. It is worth noting that the wettability and adhesion of the coating to water droplets could be adjusted by UV irradiation and calcination. The mechanisms of the aforementioned phenomena were studied. Moreover, methyl orange solution could be degraded by the coating due to its photocatalysis. The as-prepared coating had good adaptation to different substrates and outdoor environments. Moreover, the surfaces of these coatings exhibited the same liquid repellency towards different droplets. This research provides an environmental strategy to prepare advanced self-cleaning coatings.Keywords:superhydrophobicity;photocatalytic activity;tunable adhesion;TiO2;PDMS
研究领域:
材料科学
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环境科学
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产品关联
DOI
PubMed
高影响因子
CHEMICAL ENGINEERING JOURNAL
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2024
·
IF 13.3
Chuanjiang Zhou,Xiao Song,Ran Wei,Shengjie Liu,Zhaoqiang Wu,Hong Chen
Conductive ionogels based on deep eutectic solvents (DESs) have great application potential in the field of flexible sensors. However, the development of conductive ionogels that are stable under various environmental conditions (such as high and low temperatures, air, and water) remains extremely challenging. In this work, the hydrophobic conductive ionogel B x H y IG was prepared via a one-step photoinitiated copolymerization of butyl acrylate and N-hydroxyethylacrylamide in a hydrophobic DES. The good chemical compatibility between the polymer and DES, as well as the dense and reversible ion–dipole interactions, dipole–dipole interactions and hydrogen bond interactions, endow B x H y IG with satisfactory transparency (80 %), adhesion (polystyrene: 74.56 kPa), mechanical properties (elongation at break: 578 %, tensile strength: 171.25 kPa), a low degree of hysteresis (DH=1.9 %) and conductivity (3.95 × 10 -3 S m −1 ). Strain/pressure sensors and bioelectrodes prepared from ionogels have the characteristics of high sensitivity, fast response and excellent stability and can be used for real-time monitoring of human activities and health status in the atmosphere. In addition, the inherent hydrophobicity of B x H y IG (water contact angle > 110°) can effectively prevent B x H y IG from being eroded and swollen by water, thereby achieving reliable underwater sensing. More importantly, by directly exposing B x H y IG to air or storing it in nitrogen, the surface adhesion of conductive ionogels can be effectively regulated to obtain double-sided, single-sided or even nonadhesive ionogels. Therefore, this study provides new ideas for the development of conductive ionogels that can be applied under various environmental conditions.
研究领域:
材料科学
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传感器技术
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生物医学工程
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DOI
高影响因子
CHEMISTRY-A EUROPEAN JOURNAL
·
2019
·Vol. 25
·期 34
·8085-8091
·
IF 5.16
Shenyu Yang,Weiwei Xu,Mei Tu,Lingxiang Jiang
Graphical That'll fix it ! The design principles of diffusive adhesives that can bind hydrogels and biological tissues effectively and controllably is described. This approach features the extensive diffusion of adhesive monomers into the substrates and subsequent formation of a bridging network that interpenetrates the substrate networks (see figure). As a proof of concept, we prepared two diffusive adhesives that can bind hydrogels and tissues with exceptional strength and toughness. It is notoriously difficult to adhere water-rich materials, such as hydrogels and biological tissues. Existing adhesives usually suffer from weak and nonadjustable adhesion strength, in part because the contact between the adhesive and substrate is largely restrained to the adhesive/substrate interface. In this study, we have attempted to overcome this shortcoming by developing a class of diffusive adhesives (DAs) that can extend adhesion deep into the substrate to maximize the adhesive/substrate contact. The DAs consist of hydrogel matrices and preloaded water-soluble monomers and crosslinkers that can diffuse extensively into the water-rich substrates after adhesive/substrate contact. Polymerization and crosslinking of the monomers are then triggered leading to a bridging network that interpenetrates the DA and substrate skeletons and topologically binds them together. This kind of adhesion, in the absence of adhesive/substrate covalent bonding, is of high strength and toughness, comparable to those of the best-performing natural and artificial adhesives. More importantly, we can precisely tune the adhesion strength on demand by manipulating the diffusion profile. It is envisioned that the DA family could be extended to include a large pool of hydrogel matrices and monomers, and that they could be particularly useful in biological and medical applications.
研究领域:
材料科学
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生物医学工程
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化学工程
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产品关联
DOI
PubMed
高影响因子
MACROMOLECULAR RAPID COMMUNICATIONS
·
2025
·
IF 4.3
Chunhui Li,Maohang Huang,Huan Yu,Qing Yang,Lijing Hao,Yunhua Chen
The synthesis of high-performance hydrogel adhesives often relies on complex, multi-component systems, complicating their preparation and application. To overcome these limitations, we report a thermosensitive nanogel adhesive (NGA) via a facile one-step precipitation polymerization of N -isopropylacrylamide (NIPAM) and 3-acrylamidophenylboronic acid (AAPBA). This NGA functions as a simple adhesive, forming stable bonds with hydroxyl-rich substrates without requiring additional curing steps. The resulting nanogel exhibits dual sensitivity to temperature and pH, undergoing reversible changes and gelation under specific conditions. Mechanical interfacial bonding tests of hydrogel substrates reveal that a minimal volume of 15 µL of the NGA dispersion achieves a shear strength of 7.0 ± 1.4 kPa and a tensile strength of 15.7 ± 4.2 kPa. Furthermore, the adhesion performance can be precisely tuned by controlling the nanogel particle size, dispersion pH, and concentration. Biocompatibility assessments confirm excellent hemocompatibility and cell viability. This work not only presents a robust and tunable nanogel adhesive platform but also establishes a general model for the design of functional nanogel-based adhesives, significantly expanding their potential applications.
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DOI
PubMed
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2021
·
IF 13.273
Min-Hao Zhang,Cheng-Hui Li,Jing-Lin Zuo
Smart adhesives have attracted great attention due to their reversible adhesion capacities and stimuli-responsive adhesion behavior. However, for most reported smart adhesive materials, it remains challenging to combine high conductivity, tunable adhesion, thermal healing, tunable mechanical strength, recyclability and reusability into one material. Herein, a new smart adhesive material composed of supramolecular polymer and graphene nanoplates was successfully designed and prepared. Strong and recycle adhesion performance was realized on various surfaces, with a maximum adhesion strength of 6.48 MPa on glass. In addition to excellent adhesion recyclability and reusability, this composite adhesive exhibits high mechanical strength, excellent plasticity and thermal healing properties. Through Joule heating effects, we can not only switch the adhesive between on and off states, but also tune the adhesion strength in a wide range. Based on these features, we designed a simple electric gripper which can raise and drop various objects simply by changing the applied voltages.
研究领域:
材料科学
·
智能材料
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产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）