Robust superhydrophobic surface with excellent adhesive properties based on benzoxazine/epoxy/mesoporous SiO2

Li, Xiangyu; Zhao, Sipei; Hu, Weihong; Zhang, Xin; Li, Pei; Wang, Zhi

doi:10.1016/j.apsusc.2019.03.114

Cited by 84 publications

(35 citation statements)

References 42 publications

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“…As a metal‐free polymer semiconductor, the graphitic carbon nitride (g‐C 3 N 4 ) has been developed as a photocatalytic material because of suitable band gap, good stability, high specific surface area and simple preparation methods . Due to a band gap of 2.7 eV, g‐C 3 N 4 is an optional photocatalyst for H 2 production in visible light range . However, bulk g‐C 3 N 4 without any co‐catalyst possesses a very low rate of hydrogen generation due to the high recombination rate of electron‐hole pairs.…”

Section: Introductionmentioning

confidence: 99%

“…[14][15][16] Due to a band gap of 2.7 eV, g-C 3 N 4 is an optional photocatalyst for H 2 production in visible light range. [17][18][19][20] However, bulk g-C 3 N 4 without any co-catalyst possesses a very low rate of hydrogen generation due to the high recombination rate of electron-hole pairs. Recently, great progress has been made to enhance photocatalytic activity of g-C 3 N 4 by different approaches, such as ultra-thin g-C 3 N 4 nanosheets, 21 2D/2D structure 22,23 and high-efficiency co-catalyst.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis and photocatalytic H₂‐production activity of plasma‐treated Ti₃C₂T_x MXene modified graphitic carbon nitride

Zhang

Liao

et al. 2019

J Am Ceram Soc

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Plasma processing technology, as a promising method to enhance photocatalytic activity of catalyst, is gradually attracting extensive interest from researchers. However, the main mechanism of plasma‐treated photocatalyst on hydrogen production is not clear. In this work, 2D Ti3C2Tx MXene is selected as a co‐catalyst of graphitic carbon nitride (g‐C3N4), which carries out a plasma treatment (500°C) under N2/H2 atmosphere. Due to plasma treatment, there is a higher proportion Ti–O functional groups on surface of layered Ti3C2Tx MXene, especially for Ti4+. The obtained g‐C3N4/p‐Ti3C2Tx photocatalyst with sandwich‐like structure shows an enhanced photocatalytic activity. The rate of hydrogen generation of CN/pTC3.0 sample without Pt co‐catalyst is 25.4 and 2.4 times that of pure g‐C3N4 and CN/TC3.0 samples, respectively. The improved photocatalytic activity is attributed to presence of Ti4+ due to plasma treatment, which can capture photo‐induced electron from g‐C3N4 and improve the separation of electrons and holes after visible light irradiation. The cyclic hydrogen production of the photocatalyst demonstrates good photocatalytic stability. In addition, this method of plasma treatment under N2/H2 atmosphere is feasible to develop a high‐performance co‐catalyst, which can be extended to other photocatalysts with two‐dimensional structure for photocatalytic water‐splitting applications.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Synthesis and photocatalytic H₂‐production activity of plasma‐treated Ti₃C₂T_x MXene modified graphitic carbon nitride

Zhang

Liao

et al. 2019

J Am Ceram Soc

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“…The good adhesion and mechanical properties of the organic coatings on the substrates represent the major challenge to obtain superhydrophobic coatings [45]. In this respect, the adhesion of the cured DGEB/HPHI and DGEB/DCHI systems in the absence and presence of different wt.% of HPHI-Fe 3 O 4 and DCHI-Fe 3 O 4 NPs with the steel substrate was determined from measuring the adhesion strength using the pull-off procedure, as reported in the experimental section.…”

Section: Adhesion Mechanical and Anticorrosion Properties Of The Cumentioning

confidence: 99%

Hydrophobic and Superhydrophobic Bio-Based Nano-Magnetic Epoxy Composites as Organic Coating of Steel

et al. 2020

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New epoxy resin hardeners were prepared from the reaction of p-nonylphenol and cardanol glycidylether with pentaethylenehexamine (PEHA) to produce hydrophobic polyamines. They were used as capping to produce superhydrophobic magnetite nanoparticles (Fe3O4 NPs). The chemical structures, thermal stability, morphologies, and particle sizes diameters were evaluated to confirm the hydrophobicity of dicardanoxy (DCHI) and dinonylphenoxy (HPHI) polyamines. The curing exothermic reaction of bisphenol A diglycidyl ether (DGEB) epoxy resin with DCHI, HPHI, or their Fe3O4 NPs was investigated by dynamic mechanical analyzer and differential scanning calorimetry. The cured epoxy networks crosslinking densities, storage modulus, and glass transition temperatures were determined and correlated to epoxy networks chemical compositions. DGEB/DCHI and DGEB/HPHI with their stoichiometric ratio embedded with their Fe3O4 NPs were applied on the rough steel surface to produce hydrophobic and superhydrophobic epoxy coatings. The wetting characteristics of the cured epoxy nanocomposites were evaluated from seawater contact angle (WCA) measurements to prove the formation of superhydrophobic coatings in the presence of DCHI-Fe3O4 NPs having WCA > 150°. The excellent adhesion, mechanical, and anti-corrosion performances using DGEB/DCHI and DGEB/HPHI epoxy nanocomposites were obtained on the steel surfaces in the presence of seawater corrosive environment.

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“…By introducing surfactant on the surface of the material to form hydrophobic interface, Zhu 27 and Ma 28 improved the adhesion of the composite material, so that they can better bond the materials and improve the properties of the materials. Moreover, Li et al 29 made an acetone solution of benzoxazine, epoxy, and mesoporous SiO 2 to form a superhydrophobic surface using spray coating. The superhydrophobic surfaces made here have impressive features includes an ability to resist an abrasion distance more than 2.9 m under 1.6 kPa, sustaining exposure to acid and alkali corrosion, and keeping excellent adhesion properties on a tin plate.…”

Section: Introductionmentioning

confidence: 99%

“…By introducing surfactant on the surface of the material to form hydrophobic interface, Zhu and Ma improved the adhesion of the composite material, so that they can better bond the materials and improve the properties of the materials. Moreover, Li et al . made an acetone solution of benzoxazine, epoxy, and mesoporous SiO 2 to form a superhydrophobic surface using spray coating.…”

Section: Introductionmentioning

confidence: 99%

Modification of mechanical and color properties of polypropylene with colored nano‐SiO₂ prepared from diatomite

Xia

2019

J of Applied Polymer Sci

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Diatomite powder was dissolved in alkali to form sodium silicate, which was then used to prepare colored nano-SiO 2 (CNS) by the process of chemical precipitation. The CNS was analyzed by means of X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, and transmission electron microscopy. To explore the application of colored nano-SiO 2 in polypropylene (PP), CNS was incorporated into PP T30s. The mechanical and colorimetric properties of prepared CNS/PP composites were also investigated. The results of tensile tests indicated that the nanoparticles could simultaneously provide PP with stiffening, strengthening, and toughening effects at a low filler content (typically 2% by volume). At the same time, with CNS filler, the PP composites acquired a bright red color.

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Robust superhydrophobic surface with excellent adhesive properties based on benzoxazine/epoxy/mesoporous SiO2

Cited by 84 publications

References 42 publications

Synthesis and photocatalytic H₂‐production activity of plasma‐treated Ti₃C₂T_x MXene modified graphitic carbon nitride

Synthesis and photocatalytic H₂‐production activity of plasma‐treated Ti₃C₂T_x MXene modified graphitic carbon nitride

Hydrophobic and Superhydrophobic Bio-Based Nano-Magnetic Epoxy Composites as Organic Coating of Steel

Modification of mechanical and color properties of polypropylene with colored nano‐SiO₂ prepared from diatomite

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Robust superhydrophobic surface with excellent adhesive properties based on benzoxazine/epoxy/mesoporous SiO2

Cited by 84 publications

References 42 publications

Synthesis and photocatalytic H2‐production activity of plasma‐treated Ti3C2Tx MXene modified graphitic carbon nitride

Synthesis and photocatalytic H2‐production activity of plasma‐treated Ti3C2Tx MXene modified graphitic carbon nitride

Hydrophobic and Superhydrophobic Bio-Based Nano-Magnetic Epoxy Composites as Organic Coating of Steel

Modification of mechanical and color properties of polypropylene with colored nano‐SiO2 prepared from diatomite

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Synthesis and photocatalytic H₂‐production activity of plasma‐treated Ti₃C₂T_x MXene modified graphitic carbon nitride

Synthesis and photocatalytic H₂‐production activity of plasma‐treated Ti₃C₂T_x MXene modified graphitic carbon nitride

Modification of mechanical and color properties of polypropylene with colored nano‐SiO₂ prepared from diatomite