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3521por Tian, Youwen, Luo, Wei, Wang, Yedan, Yu, Yun, Huang, Wanzhen, Tang, Haodong, Zheng, Yifan, Liu, Zongjian“…The proposed method involves covering metal microparticles with liquid films that contain water, alcohol, surfactant (Span-80) and catalyst (NH(4)F) and then ultrasonically dispersing these particles into cyclohexane, where tetraethylorthosilicate (TEOS) is added. To ensure the hydrolysis-condensation reactions of TEOS occurring at the particle-cyclohexane interface so that the formed SiO(2) is coated on the particles, the microparticles should be well dispersed into cyclohexane with the liquid films being not broken away from their surfaces. …”
Publicado 2021
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3522por Takabayashi, Ayato, Kishimoto, Fuminao, Tsuchiya, Hiroto, Mikami, Hitoshi, Takanabe, Kazuhiro“…Therefore, the pH of raw slurry solution should be precisely controlled to that slightly below the threshold value for the TEOS hydrolysis reaction before the photodeposition. …”
Publicado 2022
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3523por Li, Yanhong, Li, Zhiwei, Li, Yanjuan, Guan, Wenxue, Zheng, Yangyang, Zhang, Xuemin, Wang, Sanfan“…This method involves mixing tetraethyl orthosilicate (TEOS) and 3-mercapto-propyl-triethoxy-silane (MPTES) into a polyvinylidene fluoride (PVDF) sol-gel solution. …”
Publicado 2019
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3524“…The water needed for the hydrolysis of DHAQ-Si and TEOS was provided from free water in the sodium hydroxide solution. …”
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3525por Ren, Cuiling, Li, Jinhua, Liu, Qian, Ren, Juan, Chen, Xingguo, Hu, Zhide, Xue, Desheng“…Then, the particles were coated with a hydrophilic shell by the hydrolysis of tetraethylorthosilicate (TEOS), which enabled water dispersal of the resulting nanoparticles. …”
Publicado 2008
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3526“…The tetraethyl orthosilicate (TEOS) and flake graphite was used as original materials. …”
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3527por Muñoz Resta, Ignacio, Manzano, Verónica E., Cecchi, Florencia, Spagnuolo, Carla C., Cukiernik, Fabio D., Di Chenna, Pablo H.“…The presence of the basic group on the amino derivatives was used to guide and catalyze the templated in situ sol-gel polymerization of TEOS and allowed us, under controlled hydrolytic conditions, to prepare an entangled fibrillar network of silica nanotubes.…”
Publicado 2016
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3528por Putz, Ana-Maria, Ciopec, Mihaela, Negrea, Adina, Grad, Oana, Ianăşi, Cătălin, Ivankov, Oleksandr I., Milanović, Marija, Stijepović, Ivan, Almásy, László“…The obtained results demonstrated the adsorption capacity due to the affinity of the chromium ions to the amino groups, and showed that co-condensation of tetraethoxysilane (TEOS) and 3-aminopropyl triethoxysilane (APTES) resulted in higher metal sorption capacity of the materials compared to post-synthesis grafting of aminopropyl groups onto the mesoporous silica particles.…”
Publicado 2021
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3529“…Composite silica xerogels were prepared via acid catalysed sol–gel route using tetraethoxysilan (TEOS) as silica precursor, and 1-butyl-3-methylimidazolium tetrafluoroborate [BMIM][BF(4)] or 1-butyl-3-methylimidazolium chloride [BMIM][Cl] ionic liquids, used simultaneously as co-solvents, catalysts and pore templates, at various IL-to-silica ratios. …”
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3530“…The starting materials were TEOS and water glass in the sol-gel syntheses. The effect of the chemical composition, the catalysis, the pH, and the additives were investigated on the structure and porosity of the cryogels. …”
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3531por Rodrigues, Alexandra P., Santos, Pedro M. P., Veiga, João Pedro, Casimiro, Maria Helena, Ferreira, Luís M.“…Electron beam irradiation was used to promote synthesis of hybrid structures while using silanol-terminated PDMS, TEOS and TPOZ as precursors. Evaluation of the method’s performance was executed by gel fraction determination, WDXRF and FTIR-ATR. …”
Publicado 2023
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3532por Gedawy, Ahmed, Luna, Giuseppe, Martinez, Jorge, Brown, Daniel, Al-Salami, Hani, Dass, Crispin R.“…The use of tetraethyl orthosilicate (TEOS) to crosslink the silicone elastomer (hydroxy terminated polydimethylsiloxane) of this new platform had improved the gliclazide encapsulation (>92.13% ± 0.76) of the free-flowing composite microcapsules, which showed good mechanical durability (up to 12 h in PBS pH 6.8) and promising results to sustain the drug release.…”
Publicado 2023
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3533por Budnyak, Tetyana M, Pylypchuk, Ievgen V, Tertykh, Valentin A, Yanovska, Elina S, Kolodynska, Dorota“…Chitosan biopolymer and tetraethoxysilane (TEOS), which is the most common silica precursor, were used for the sol-gel reaction. …”
Publicado 2015
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3534por Angelova, Tsvetelina, Rangelova, Nadezhda, Dineva, Hristina, Georgieva, Nelly, Müller, Rudolf“…Antibacterial SiO(2) hybrid materials based on tetraethyl orthosilicate (TEOS), hydroxypropylmethylcellulose (HPMC) and silver were prepared by the sol-gel method. …”
Publicado 2014
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3535por Nisticò, Roberto, Magnacca, Giuliana, Jadhav, Sushilkumar A, Scalarone, Dominique“…Large-mesopore silica films with a narrow pore size distribution and high porosity have been obtained by a sol–gel reaction of a silicon oxide precursor (TEOS) and using polystyrene-block-poly(ethylene oxide) (PS-b-PEO) copolymers as templates in an acidic environment. …”
Publicado 2016
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3536“…We describe a hydrothermal coating process using TEOS (tetraethyl orthosilicate), a widely used precursor for silica coatings, on three representative template materials (carbon nanotubes, silica, and polystyrene nanoparticles) with different properties and shapes. …”
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3537por de Mello, Jonatan Rafael, Machado, Thaís Strieder, Crestani, Larissa, Alessandretti, Ingridy, Marchezi, Giovana, Melara, Flávia, Mignoni, Marcelo Luis, Piccin, Jeferson Steffanello“…In this work, new adsorbent composites from the silica precursor tetraethyl orthosilicate (TEOS) and chitosan have been successfully synthesized, denominated 20%Chi, 30%Chi and 40%Chi. …”
Publicado 2022
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3538“…It was found that Mg acetate and tetraethylorthosilicate (TEOS) are suitable as precursors for the glycothermal process, as EDS elemental mapping showed their homogeneous inclusion in the final product. …”
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3539“…A recycled rubber sol was prepared using peracetic acid and incorporated for the first time in TEOS-based sol-gel chemistry. The composites exhibited good thermal stability up to 400 °C and very low thermal conductivity, in the superinsulation range when using polyester fibers (16.4 ± 1.0 mW·m(−1)·K(−1)), and of 20–30 mW·m(−1)·K(−1) for the remaining fibers. …”
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3540por Karasu, Feyza, Müller, Luca, Ridaoui, Hassan, Ibn ElHaj, Mohammed, Flodberg, Göran, Aulin, Christian, Axrup, Lars, Leterrier, Yves“…The coatings were based on UV curable organic-inorganic hybrids with epoxy, tetraethylorthosilicate (TEOS) and 3-glycidoxypropyltrimethylenesilane (GPTS) precursors and additional vapor formed SiN(x) layers. …”
Publicado 2018
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