Post‐γ‐irradiation effects in nano‐SiO2 particle reinforced high‐density polyethylene composite films: Structure–property relationships, thermal stability and degradation
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DOI: 10.1002/pc.29949
Abstract: This paper presents the findings of a study on the effects of gamma radiation on the structural and thermal characteristics of high‐density polyethylene nanocomposite films. These thin films consist of a combination of HDPE and… read more here.
Keywords: spectroscopy; density polyethylene; thermal stability; nano sio2 ... See more keywords
Corona Resistance of Fluorine‐Containing PI Modified With Si–Ti Composite Oxide Complexed With Nano‐SiO2
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DOI: 10.1002/pc.70208
Abstract: This study presents the production of Si–Ti composite oxides included with nano‐SiO2 dispersions, employing 2,2′‐bis(trifluoromethyl)‐4,4′‐diaminophenyl ether, 4,4′‐diaminodiphenyl ether, and homophthalic tetracarboxylic acid dianhydride as reaction monomers. A series of fluoropolyamide acid precursors with varying doping… read more here.
Keywords: resistance fluorine; nano sio2; corona resistance; fluorine containing ... See more keywords
Mechanical, thermal, and water vapor barrier properties of regenerated cellulose/nano-SiO2 composite films
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DOI: 10.1007/s10570-018-2059-x
Abstract: Bionanocomposite films were fabricated by reinforcing regenerated cellulose (RC) with 3-aminopropyl-functionalized silica nanoparticles (nano-SiO2). The composite films were prepared by dissolving cotton linter RC in a 7% NaOH/12% urea solution followed by the addition of… read more here.
Keywords: nano sio2; sio2; sio2 composite; regenerated cellulose ... See more keywords
Effects of nano-SiO2 on the permeability-related properties of cement-based composites with different water/cement ratios
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DOI: 10.1007/s10853-017-1906-8
Abstract: To find the suitable conditions under which nano-SiO2 can exhibit a significant impermeability enhancement effect and the mechanism underlying this effect, comparisons between the permeability-related properties of a nano-SiO2-filled cement paste and those of a… read more here.
Keywords: nano sio2; related properties; water; permeability related ... See more keywords
Effect of coated and encapsulated polyacrylate/nano-SiO2 composite emulsions on the finishing performances of leather via miniemulsion polymerization
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DOI: 10.1007/s10853-020-04776-3
Abstract: In this study, the polyacrylate/nano-SiO2 (PA/SiO2) composite emulsion with ideal encapsulated and coated morphologies were prepared by miniemulsion polymerization. They, respectively, are encapsulated PA/SiO2-S composite emulsion, coated PA/SiO2-Q and PA/SiO2-W composite emulsion. The morphology of… read more here.
Keywords: nano sio2; sio2 composite; emulsion; composite emulsions ... See more keywords
An efficient and green method for the synthesis of Betti base employing nano-SiO2–H3BO3 as a novel recyclable heterogeneous catalyst
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DOI: 10.1007/s11164-017-3024-2
Abstract: In this research, nano-SiO2–H3BO3 is introduced as a novel environmentally benign and recyclable heterogeneous catalyst for the synthesis of aminonaphthols under solvent-free conditions without an additional co-catalyst or additive in air. This synthesis method offers… read more here.
Keywords: nano sio2; sio2 h3bo3; recyclable heterogeneous; catalyst ... See more keywords
One-pot multicomponent synthesis in aqueous medium of 1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile and derivatives using a green and reusable nano-SiO2 catalyst from agricultural waste
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DOI: 10.1007/s11164-017-3104-3
Abstract: Nanosilica from wheat straw—an agricultural waste—was utilized as a novel and efficient heterogeneous catalyst for synthesis of bioactive pyrano[2,3-c]pyrazole derivatives via one-pot four-component reaction of various aryl aldehydes, hydrazine hydrate, ethyl acetoacetate, and malononitrile in… read more here.
Keywords: nano sio2; agricultural waste; spectroscopy; one pot ... See more keywords
Mechanical property of lignin-modified phenolic foam enhanced by nano-SiO2 via a novel method
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DOI: 10.1007/s11696-017-0317-2
Abstract: Recently, the application of nano-SiO2 in composite materials has received wide attention. In this work, a new method was explored to prepare nano-SiO2 using phenol instead of other organic alcohols. The obtained nano-SiO2 was characterized… read more here.
Keywords: property lignin; nano sio2; sio2; mechanical property ... See more keywords
Construction of anti-flame network structures in cotton fabrics with pentaerythritol phosphate urea salt and nano SiO2
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DOI: 10.1016/j.apsusc.2019.145175
Abstract: Abstract Based on pentaerythritol phosphate urea salt (PEPAS), 2-(4-(4,6-dichloro- 1,3,5-triazin-2-ylamino) phenylsulfonyl) ethyl sulfate sodium (CYPA) and nano-SiO2, a novel flame-retardant method for cotton fabrics was developed via chemical modification and nano deposition technologies. The chemical… read more here.
Keywords: nano sio2; flame; spectroscopy; cotton fabrics ... See more keywords
Influence of nano-SiO2 on the strength and microstructure of natural pozzolan based alkali activated concrete
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DOI: 10.1016/j.conbuildmat.2018.04.051
Abstract: Abstract Development of alkali-activated binder (AAB) is fast becoming a viable alternative to ordinary portland cement (OPC). However, key engineering properties of such a binder depend strongly on the chemical composition and fineness of the… read more here.
Keywords: alkali activated; strength; activated concrete; nano sio2 ... See more keywords
Effect of PVA fiber on mechanical properties of cementitious composite with and without nano-SiO2
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DOI: 10.1016/j.conbuildmat.2019.117068
Abstract: Abstract The present study investigated the effect of polyvinyl alcohol (PVA) fiber content on flowability, compressive strength, flexural strength, tensile strength and fracture performance of cementitious composites. The PVA fiber volume content added in the… read more here.
Keywords: strength; nano sio2; pva fiber; fiber mechanical ... See more keywords