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A novel strategy for the construction of silk fibroin–SiO composite aerogel with enhanced mechanical

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 288-297 doi: 10.1007/s11705-022-2222-7

Abstract: The practical application of silica aerogels is an enormous challenge due to the difficulties in improvingfibroin was used as scaffold to improve the mechanical property and thermal insulation performance of silicananoparticles, SiO2 was well-dispersed in the silk fibroin aerogel and composite aerogelsThe thermal insulation performance of the composite aerogels was improved compared with pure silica aerogelaerogel.

Keywords： silica aerogel     silk fibroin     impregnation     thermal insulation     mechanical property    

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Effect of sodium bicarbonate solution on methyltrimethoxysilane-derived silica aerogels dried at ambient

Yujing Liu, Xiao Han, Balati Kuerbanjiang, Vlado K. Lazarov, Lidija Šiller

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 954-959 doi: 10.1007/s11705-020-2028-4

Abstract: Here we present an economical ambient pressure drying method of preparing monolithic silica aerogelsWe prepared silica aerogels with a density and a specific surface area of 0.053 g∙cm and 423 m ∙g ,The average pore diameter of silica aerogels is 23 nm as the pore specific volume is 1.11 cm ∙g .Further, the contact angle between water droplet and the surface of silica aerogels in specific condition

Keywords： silica aerogel     methyltrimethoxysilane     solvent exchange     sodium bicarbonate     trimethylchlorosilane     ambient    

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Fabrication of cellulose aerogel from wheat straw with strong absorptive capacity

Jian LI,Caichao WAN,Yun LU,Qingfeng SUN

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 1,   Pages 46-52 doi: 10.15302/J-FASE-2014004

Abstract: With further combined regeneration process and freeze-drying, the cellulose aerogel was successfullytransform infrared spectroscopy, and Brunauer-Emmett-Teller were used to characterize this cellulose aerogelAdditionally, with a hydrophobic modification by trimethylchlorosilane, the cellulose aerogel showed

Keywords： cellulose aerogel     absorptive capacity     waste wheat straw     freeze-drying    

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Simple fabrication of carboxymethyl cellulose and κ-carrageenan composite aerogel with efficient performance

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 10, doi: 10.1007/s11783-022-1568-x

Abstract:

● A composite aerogel was simply obtained to remove various fluoroquinolones

Keywords： Composite aerogel of carboxymethyl cellulose and κ-carrageenan     Fluoroquinolone antibiotics     Adsorption    

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Hierarchically porous cellulose nanofibril aerogel decorated with polypyrrole and nickel-cobalt layered

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1593-1607 doi: 10.1007/s11705-023-2348-2

Abstract: Herein, a new pore-rich cellulose nanofibril aerogel is utilized as a substrate to integrate highly conductive

Keywords： cellulose nanofibril     aerogel     nickel-cobalt layered double hydroxide     polypyrrole     nonenzymatic glucose    

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Optimizing the compressive strength of concrete containing micro-silica, nano-silica, and polypropylene

Fatemeh ZAHIRI, Hamid ESKANDARI-NADDAF

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 821-830 doi: 10.1007/s11709-019-0518-6

Abstract: Many studies have evaluated the effects of additives such as nano-silica (NS), micro-silica (MS) and

Keywords： mixture method     compressive strength     nano-silica     micro-silica     polypropylene fibers    

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Dispersion of “guava-like” silica/polyacrylate nanocomposite particles in polyacrylate matrix

QI Dongming, YANG Lei, WU Minghua, SHAO Jianzhong, BAO Yongzhong

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 2,   Pages 127-134 doi: 10.1007/s11705-008-0033-0

Abstract: A series of “guava-like” silica/polyacrylate nanocomposite particles with close silica content and differentThe silica/polyacrylate composite particles were melt-mixed with unfilled polyacrylate (PA) resin toprepare corresponding silica/polyacrylate molded composites and the dispersion mechanism of these silicaIt was calculated that about 110 silica particles were accumulated in the bulk of every silica/polyacrylateindicated that the grafting degree of silica particles played a crucial role in the dispersion of silica

Keywords： silica/polyacrylate composite     cross-linked network     –70     guava-like     TEM    

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Enhanced activation of persulfate using mesoporous silica spheres augmented Cu–Al bimetallic oxide particles

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1581-1592 doi: 10.1007/s11705-023-2327-7

Abstract: Herein, Cu–Al bimetallic oxide was synthesized and mixed with mesoporous silica spheres via a simplespectroscopy, Cu–Al bimetallic oxide was determined as CuO-Al2O3, and mesoporous silicaFurthermore, mesoporous silica spheres augment not only enhanced bisphenol A adsorption but also alleviated

Keywords： Cu–Al bimetallic oxides     mesoporous silica spheres     peroxydisulfate     bisphenol A    

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The modification of titanium in mesoporous silica for Co-based Fischer–Tropsch catalysts

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1224-1236 doi: 10.1007/s11705-022-2139-1

Abstract: Ordered SBA-15 mesoporous silica with incorporated titanium was successfully synthesized via a one-potThe results showed that titanium was successfully incorporated into the mesoporous silica framework with

Keywords： Fischer–Tropsch synthesis     titanium incorporation     mesoporous silica     metal-support interactions     C   

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The construction of pseudo-Janus silica/surfactant assembly and their application to stabilize Pickering

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 7,   Pages 1101-1113 doi: 10.1007/s11705-021-2095-1

Abstract: The findings of this study could help to better understand the construction mechanism of pseudo-Janus silica

Keywords： Janus nanoparticles     surfactant     double phase inversion     self-assembly     enhanced oil recovery    

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Effects of polyethylenimine on the dispersibility of hollow silica nanoparticles

WEN Lixiong, WANG Qing, ZHENG Tianyuan, CHEN Jianfeng

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 277-282 doi: 10.1007/s11705-007-0050-4

Abstract: In this study, two different methods were applied to disperse hollow silica nanoparticles (HSNP); one

Keywords： dispersion improvement     different     prepared HSNP     relationship     agglomeration    

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Synthesis of MnFe

Jian LI,Yue JIAO,Caichao WAN

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 1,   Pages 116-120 doi: 10.15302/J-FASE-2017141

Abstract: Cellulose aerogel, with abundant three-dimensional architecture, has been considered as a class of idealpresent paper, hexagonal single-crystalline MnFe O was fabricated and inserted into the cellulose aerogelMnFe O nanoparticles were well dispersed and immobilized in the micro/nanoscale pore structure of the aerogelmethod, strong magnetic responsiveness, and unique structural feature, this class of MnFe O /cellulose aerogel

Keywords： cellulose aerogel     MnFe2O4     magnetic responsiveness     nanocomposite    

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copolymerization of -isopropylacrylamide with 3-(methacryloxy)propyl trimethoxysilane on ultrafine silica

ZHANG Liping, ZHU Yi, NI Caihua

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 242-247 doi: 10.1007/s11705-008-0043-y

Abstract: isopropylacrylamide with [ 3-(methacryloxy) propyl]trimethoxysilane (MPT) coupled on the surface of ultrafine silicaThe structure of modified silica was confirmed by infrared spectra.In contrast, the packing material of silica-MPT has no such separation efficiency due to the lack ofattributed to a polarity change of poly(-isopropylacrylamide) which undergoes volume phase transition on the silica

Keywords： undergoes     water-methanol     surfactant concentration     copolymerization     chromatography    

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Sulfonic acid-functionalized mesoporous silica catalyst with different morphology for biodiesel production

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1198-1210 doi: 10.1007/s11705-021-2133-z

Abstract: Sulfonic acid functionalized mesoporous silica based solid acid catalysts with different morphology wereThe sulfonic acid functionalized mesoporous silica catalysts of spherical shape and the cube shape wereIt was sulfonated cubic shape mesoporous silica which exhibited better activity as compared to the sphericalshape silica catalysts.

Keywords： solid acid catalyst     mesoporous silica     sulfonic acid     biodiesel     esterification     oleic acid    

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Carbon-doped surface unsaturated sulfur enriched CoS@rGO aerogel pseudocapacitive anode and biomass-derived

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1500-1513 doi: 10.1007/s11705-021-2086-2

Abstract: As a hybrid energy storage device of lithium-ion batteries and supercapacitors, lithium-ion capacitors have the potential to meet the demanding needs of energy storage equipment with both high power and energy density. In this work, to solve the obstacle to the application of lithium-ion capacitors, that is, the balancing problem of the electrodes kinetic and capacity, two electrodes are designed and adequately matched. For the anode, we introduced in situ carbon-doped and surface-enriched unsaturated sulfur into the graphene conductive network to prepare transition metal sulfides, which enhances the performance with a faster lithium-ion diffusion and dominant pseudocapacitive energy storage. Therefore, the lithium-ion capacitors anode material delivers a remarkable capacity of 810 mAh∙g–1 after 500 cycles at 1 A∙g–1. On the other hand, the biomass-derived porous carbon as the cathode also displays a superior capacity of 114.2 mAh∙g–1 at 0.1 A∙g–1. Benefitting from the appropriate balance of kinetic and capacity between two electrodes, the lithium-ion capacitors exhibits superior electrochemical performance. The assembled lithium-ion capacitors demonstrate a high energy density of 132.9 Wh∙kg–1 at the power density of 265 W∙kg–1, and 50.0 Wh∙kg–1 even at 26.5 kW∙kg–1. After 10000 cycles at 1 A∙g–1, lithium-ion capacitors still demonstrate the high energy density retention of 81.5%.

Keywords： in-situ carbon-doped     surface unsaturated sulfur enriched     pseudocapacitive energy storage     biomass-derived carbon     lithium-ion capacitors    

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Title Author Date Type Operation

A novel strategy for the construction of silk fibroin–SiO composite aerogel with enhanced mechanical

Journal Article

Effect of sodium bicarbonate solution on methyltrimethoxysilane-derived silica aerogels dried at ambient

Yujing Liu, Xiao Han, Balati Kuerbanjiang, Vlado K. Lazarov, Lidija Šiller

Journal Article

Fabrication of cellulose aerogel from wheat straw with strong absorptive capacity

Jian LI,Caichao WAN,Yun LU,Qingfeng SUN

Journal Article

Simple fabrication of carboxymethyl cellulose and κ-carrageenan composite aerogel with efficient performance

Journal Article

Hierarchically porous cellulose nanofibril aerogel decorated with polypyrrole and nickel-cobalt layered

Journal Article

Optimizing the compressive strength of concrete containing micro-silica, nano-silica, and polypropylene

Fatemeh ZAHIRI, Hamid ESKANDARI-NADDAF

Journal Article

Dispersion of “guava-like” silica/polyacrylate nanocomposite particles in polyacrylate matrix

QI Dongming, YANG Lei, WU Minghua, SHAO Jianzhong, BAO Yongzhong

Journal Article

Enhanced activation of persulfate using mesoporous silica spheres augmented Cu–Al bimetallic oxide particles

Journal Article

The modification of titanium in mesoporous silica for Co-based Fischer–Tropsch catalysts

Journal Article

The construction of pseudo-Janus silica/surfactant assembly and their application to stabilize Pickering

Journal Article

Effects of polyethylenimine on the dispersibility of hollow silica nanoparticles

WEN Lixiong, WANG Qing, ZHENG Tianyuan, CHEN Jianfeng

Journal Article

Synthesis of MnFe

Jian LI,Yue JIAO,Caichao WAN

Journal Article

copolymerization of -isopropylacrylamide with 3-(methacryloxy)propyl trimethoxysilane on ultrafine silica

ZHANG Liping, ZHU Yi, NI Caihua

Journal Article

Sulfonic acid-functionalized mesoporous silica catalyst with different morphology for biodiesel production

Journal Article

Carbon-doped surface unsaturated sulfur enriched CoS@rGO aerogel pseudocapacitive anode and biomass-derived

Journal Article