COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
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2023
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IF 5.2
Hongyu Dong,Yingqing Zhan,Ao Sun,Yiwen Chen,Ximin Chen
Developing the super-wetting sponge materials with high selectivity and multitasking separation performance is essential for treatment of the complicated oily wastewater in harsh environments. However, the practical application was limited due to the poor durability, time-consuming fabrication process, etc. In this work, we reported a facial strategy to fabricate the magnetic super-hydrophobic/super-oleophilic material by anchoring the hydrophobic ferroferric oxide nanoparticle/graphene oxide hybrid onto the melamine sponge. Benefiting from the hierarchically regulated micro-/nano- rough structure and low surface energy, the modified sponge exhibited super-hydrophobicity (CA=163.08 ± 1.2°, OCA=0°) and could resist the high/low temperature, chemical corrosion, and harsh physical damage, which contributed the excellent self-cleaning, recyclability, and selective absorption of various oils (63–156 g/g). More importantly, the modified sponge offered the superior multitasking separation performance, including the magnetically driven absorption of oil/water mixture or emulsion, gravity-driven filtration of oil/water mixture, and continuous oil/water separation (up to 98.96%) in harsh conditions. Therefore, the super-hydrophobic melamine sponge with the multifaceted features is a promising candidate for the purification of marine oil spills and industrial oily wastewater.
研究领域:
材料科学
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环境工程
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产品关联
DOI
高影响因子
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES
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2023
·Vol. 39
·期 6
·1084-1091
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IF 3.1
Gao Zhuangzhuang,Li Baoju,Ou Shuxian,Li Dongsheng,Fang Qianrong,Qiu Shilun,Xue Ming
M etal-organic frameworks (MOFs) are attractive in membrane separation due to their special pore structure and suitable aperture size. The fabrication of defect-free and robust MOF membranes with excellent durability is highly demanded but remains challenging. In this work, we report a one-step active γ -alumina conversion strategy for the facile and reliable fabrication of an MIL-96 membrane. In this case, the γ -Al 2 O 3 sol was dip-coated and sintered on the α -Al 2 O 3 disc as the active aluminum source and substrate for the nucleation and growth of MOF. A continuous and well-intergrown MIL-96 membrane was generated with exceptional stability due to the strong adhesion to the substrate. The resultant MIL-96 membrane yielded a satisfactory H 2 /CO 2 permselectivity and high-temperature resistance, delivering a selectivity of 12.35 with H 2 permeance of 6.20×10 −7 mol·m −2 ·s −1 ·Pa −1 at 150 °C. Moreover, the probe membrane presented remarkable durability and recyclability under harsh hydrothermal conditions. This method paves the way for constructing highly stable and selective MOF membranes and could accelerate the development of advanced membrane separation technologies for gas purification and recycling in addressing the severe energy and environmental problems.
研究领域:
材料科学
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化学工程
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DOI
高影响因子
ACS Sustainable Chemistry & Engineering
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2024
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IF 7.1
Hui-Di Wang,Chao-Hua Xue,Chao-Qun Ma,Xiao-Xue Jin,Meng-Chen Huang,Yong-Gang Wu,Shi-Qiang Lv,A-Jun Chang,Jing Li,Xiao-Jing Guo
Passive daytime radiative cooling without any energy input has attracted significant attention due to its ability to spontaneously radiate heat into cold outer spaces. However, the distinctive structure and optical properties made radiative cooling materials white in appearance, which limits their use in actual application. In this study, poly(dimethylsiloxane) (PDMS), poly(ethyl cyanoacrylate) (PECA), polystyrene (PS), and pigments that selectively absorb visible light with high emissivity were adopted to fabricate a colored superhydrophobic radiative cooling coating through spraying and nonsolvent-induced phase separation. The as-fabricated yellow, red, and green PS/PDMS/PECA composite coatings exhibited high solar reflectivities of 92.8, 89.8, and 86.6% with strong infrared emissivities of 95.4, 95.3, and 96.3%, respectively, which correspondingly realized a subambient temperature reduction of 5.3, 3.5, and 2.5 °C. The self-cleaning property of the coating caused by superhydrophobicity helps protect the coating from contamination, favoring a stable outdoor cooling performance. Additionally, the composite coating was resistant to different chemical immersions, ultraviolet (UV) irradiation, sand impact, water impact, and sandpaper abrasion, which might improve the applicability of the material and promote the cooling materials toward large-area production for practical application.
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
高影响因子
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
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2021
·Vol. 21
·期 12
·6088-6093
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IF 0
Bai Wenxia,Zhou Jinxuan,Shi Xueting,Wang Haitao,Liu Yanhua,Feng Libang
The widespread application of artificial superhydrophobic material is hindered by the poor durability and regeneration of artificial superhydrophobicity. The problem is expected to be resolved by endowing the superhydrophobic material with self-similarity. Herein, Copper-based superhydrophobic
material intensified by furfuryl alcohol resin (Cu/FAR) with long-term durability and high strength is developed, and the obtained Cu/FAR composite reveals excellent and durable superhydrophobicity. Moreover, it is a remarkable fact that the as-prepared superhydrophobic Cu/FAR exhibits outstanding
durability and maintenance of superhydrophobicity grounded on the good self-similarity in micro-structure, chemical structure and composition both externally and internally. Consequently, the superhydrophobicity can be maintained or regenerated without difficulty even if superhydrophobic surface
has been damaged or fouled accidentally. Therefore, the method provides a new thought to prepare superhydrophobic material with robust durability and outstanding maintenance.
研究领域:
材料科学
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表面化学
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DOI
REACTIVE & FUNCTIONAL POLYMERS
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2025
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IF 5.1
Guanwu Yin,Xiaoyue Yang,Quanbo Xu,Xiaofan Chen,Haiyan Wang
Antibacterial cotton fabric has attracted significant attention due to its widespread applications in clinical and medical supplies. However, many of these fabrics suffer from inadequate antibacterial durability and biocompatibility, which not only limit their practical application but also pose potential risks to human health. Herein, a series of aminoethylaminopropyl polydimethylsiloxane (AEAPS) with various amino acids were successfully synthesized, then the corresponding silicone oil emulsions were obtained via phase inversion emulsification and a durable and biocompatible antibacterial cotton fabric was achieved. The influence of various amino acid residues on antibacterial efficacy was investigated and L-Tryptophan (Trp) graft silicone oil (L-Trp-AEAPS) exhibits the best antibacterial performance. In addition, the resulting antibacterial cotton fabric (L-Trp-AEAPS-CF) shows good antibacterial activity against E. coli and S. aureus , excellent biocompatibility, and low toxicity owing to the amino acid residue. Finally, after 50 laundering cycles, the L-Trp-AEAPS-CF retained an antibacterial efficiency exceeding 98 %, indicating excellent washing durability. The L-Trp-AEAPS-CF with antibacterial durability and biocompatibility exhibited broad application prospects in biomedical materials.
研究领域:
材料科学
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生物学
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医学
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产品关联
DOI
高影响因子
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
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2024
·
IF 7.7
Cen Chu,Yifei Gao,Xiangyu Ma,Rui Cheng,Pei Xu,Yunsheng Ding
The integration of polylactic acid (PLA) fabrics with bio-based flame retardants and conductive MXene addresses the requirements for safe sustainable development and electromagnetic interference (EMI) shielding. The dehydration and carbonization of phytic acid (PA) and polyethylenimine (PEI) were facilitated by employing 3-glycidyl oxy propyl trimethoxsilane (GPTMS) as an organic crosslinking agent, which was covalently bonded to both the flame retardants and the MXene conductive layer. The prepared multifunctional PLA fabric, designated as PA-PEI-MXene-60, exhibits a high Limiting Oxygen Index (LOI) of 35.6 %, a damage length of 3.2 cm, a peak heat release rate (pHRR) reduction of 81.38 %, and total heat release (THR) reduction of 27.03 %, indicating exceptional flame-retardant properties. Concurrently, the MXene conductive layer provides outstanding EMI shielding performance. A subsequent hydrophobic treatment was applied using polydimethylsiloxane (PDMS) coatings, resulting in a water contact angle of 148.8°. Additionally, while the PLA fabrics exhibited remarkable EMI shielding effectiveness at 54 dB. Importantly, despite undergoing repeated bending and abrasion tests, these multifunctional PLA fabrics maintain relatively high EMI shielding efficiency, demonstrating commendable durability. This work significantly contributes to the research and development of bio-based, safe, durable multifunctional flame-retardant materials with EMI shielding capabilities.
研究领域:
材料科学
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可持续发展
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纺织工程
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产品关联
DOI
PubMed
高影响因子
Environmental Science-Nano
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2019
·Vol. 6
·期 12
·3699-3711
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IF 7.704
Wenjing Ma,Mengjie Zhang,Yuansheng Li,Mengmeng Kang,Chaobo Huang,Guodong Fu
One of the most pervasive environmental issues is water contaminated with various oils. Developing an efficient and novel functional membrane for oil/water separation is urgently needed. Herein, a flexible, durable and magnetic pH-responsive F3O4/MA–TiO2/PI electrospun nanofibrous membrane (ENM) was fabricated via an electrospinning and green dip-coating route. Combining the rough hierarchical structure and pH-responsive wettability, the as-prepared hybrid membrane can controllably separate a range of not only heavy oil/water but also light oil/water mixtures by only adjusting the pH of the aqueous medium. Both separations exhibit a large flux and outstanding efficiency for the tested oil/water mixtures even after 20 reuse cycles due to the hierarchical structure and flexibility of the membrane. In addition, the flexibility and magnetism of the membrane make it easily removed with a magnet after the separation of the oil/water mixtures. More importantly, the as-prepared membrane not only has excellent stability towards high temperature, corrosive organic solvent/salt solution immersion, and UV irradiation but also shows great resistance to mechanical abrasion and ultrasonic treatment, and the preparation method is facile, environmentally friendly, and cost-effective. Thus, such a membrane may offer exciting opportunities in the application of oily wastewater treatment and on-demand oil/water separation.
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
高影响因子
Materials Today Communications
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2022
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IF 3.662
Kaiqiang Zhang,Yong Zhu,Yanfeng Gao
Superhydrophobic surfaces have been extensively used in antifouling, energy storage, metal corrosion and oil-water separation. However, problems caused by using organic solvents in the preparation process and poor durability still limited its application. In this paper, a kind of durable superhydrophobic (water contact angle>156°, sliding angle <10°) and superoleophilic fabrics have been fabricated based on a waterborne solution using polydimethylsiloxane, fluorosurfactant as low surface energy substances. The superhydrophobic performance of fabrics show intelligent self-healing property after plasma treatment, abrasion and machine washing for 10, 1000 and 100 cycles, respectively. Besides, the coated cotton fibers also exhibit excellent durability and long-term stability under extreme acidic/basic conditions.
研究领域:
材料科学
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表面化学
✓ 已验证
产品关联
DOI
高影响因子
SURFACE & COATINGS TECHNOLOGY
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2016
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IF 2.139
Weiguo Zeng,Jun Chen,Hao Yang,Lidan Deng,Guangfu Liao,Zushun Xu
We have developed a facile and cost-effective method to fabricate superhydrophobic surfaces with self-cleaning properties in either air or oil environment. Firstly, a series of characterizations were conducted to show the reason why hydrophilic natural zeolite became hydrophobic. Then an ethanolic suspension of perfluorodecyltrichorosilane-coated natural zeolite was coated on both hard and soft substrates including glass and filter paper. Field emission scanning electron microscopy , atomic force microscopy and optical contact angle meter were used to characterize the morphology, roughness and wettability of the surface. The results showed that the coating had micro- and nanoscale hierarchical structures, which endowed the coating with excellent superhydrophobic and self-cleaning properties when exposed to either air or oil. Finally, when using double faced adhesive tape to bond the superhydrophobic coating to the glass, the coating remained superhydrophobicity after 30 cycles of sandpaper abrasion test. The robust superhydrophobic coating with self-cleaning properties in either air or oil may have a potential use as an equipment protective coating.
研究领域:
材料科学
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表面工程
✓ 已验证
产品关联
DOI
高影响因子
APPLIED SURFACE SCIENCE
·
2017
·
IF 3.387
Wei Zhou,Guangji Li,Liying Wang,Zhifeng Chen,Yinlei Lin
A simple dip-coating method was explored to construct hierarchical structures on a 3D copper foam (CF) surface by combining the intrinsic properties of mussel-inspired polydopamine (PDA) and a 3D metal structure. The CF substrate was sequentially modified with PDA and Ag nanoparticles (NPs) and then coupled with n -dodecyl mercaptan (NDM) to create a durable superhydrophobic CF for oil/water separation. The morphology, chemical composition and wettability of the fabricated modified CF surface were characterized. The modified CF surface possesses an increased roughness and exhibits superhydrophobicity, with water contact angle values greater than 150°. The PDA coating on the CF surface can reduce silver ions and anchor the formed NPs onto the surface to construct the hierarchical structure of the superhydrophobic CF. Furthermore, the oil/water separation properties were also investigated. The modified CF can separate a series of oil/water mixtures with a high efficiency and relatively high intrusion pressure. More importantly, the modified CF retains its high efficiency after 30 repeated uses (more than 98% for a dodecane/water mixture), exhibiting excellent durability. The mechanism of oil/water separation is also discussed. The results of this study indicate that the modified CF can serve as a promising candidate for the large-scale separation of oily pollutants from water.
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
高影响因子
EUROPEAN POLYMER JOURNAL
·
2018
·
IF 3.741
Liguang Yuan,Baoliu Qu,Jinge Li,Hongying Lv,Xiaoniu Yang
Surface modification is an effective method to improve the anti-platelets property for blood-contacting biomedical materials. However, for elastomer it is still a challenge to develop a simple and versatile method to preserve desirable property of the modified surface upon repeated deformation. Herein, we synthesized a novel modifier based on the photoreactive benzophenone (BP), which is served as anchor to fix polyethylene glycols (PEG)s onto polymer surface so as to achieve durable anti-platelets surface. Upon ultra-violet (UV) exposure for a very short time, this modifier (BP-PEG) was chemically bonded onto polyurethane (PU) so that its surface property was improved. When increasing the molecular weight or incorporating sulfonate group into BP-PEG, the anti-platelets surface of PU was obtained and this property still could be preserved upon repeated deformation. The universality of this surface modifier was verified by its successful application to the other polymer substrates and improved hydrophilicity. We anticipate this work would pave a new way to construct durable surface with unique property for biomedical devices.
研究领域:
生物医学工程
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材料科学
✓ 已验证
产品关联
DOI
高影响因子
Coatings
·
2020
·Vol. 10
·期 4
·349
·
IF 2.436
Zihui Liang,Zezhu Zhou,Binghai Dong,Shimin Wang
To obtain a superhydrophobic surface, SiO2nanoparticles are deposited on the surface of silk fabric (SF) by Plasma Enhanced Chemical Vapor Deposition (PECVD) to form a hierarchical roughness structure. In addition, a durable superhydrophobic SiO2@silk fabric was further prepared by hexamethyldisilazane (HMDS) modification. Compared with bare silk, the surfaces of the SiO2@silk fabric exhibit higher surface roughness and excellent superhydrophobic activity, with a contact angle (CA) of ~152°. The excellent UV resistance of SiO2@silk fabric was confirmed with high UV protection factor (UPF) values and a low UV transmittance. Moreover, both the laundering durability and chemical stability of the SiO2@silk fabric were improved. Overall, this method is recognized as a promising approach to produce high-end fabric development. It can also guide the design of multifunctional fiber materials in the future.Keywords:silk fabric;superhydrophobic coating;UV resistant;durability;HMDS
研究领域:
材料科学
·
纺织工程
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）