572 Result(s)
within
English
Chemistry
Characterization and Evaluation of Materials
Physical Chemistry
Yi**g Yong
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Article
Identification of Active Phase for Complete Oxidation of Methane on Palladium Surface
Palladium (Pd)-based catalysts have received extensive attention for their outstanding performance in the complete oxidation of methane (CH4). A fundamental understanding of the reaction mechanism, particularly t...
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The effect of ester and ether ratio on air permeability, windproof and mechanical properties of solvent-free water-based polyurethane foam
Solvent-borne polyurethane (PU) is the main product in PU synthetic leather, which has soft handling, breathability, and moisture permeability properties by wet type. The PU film would produce the irregular fo...
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Flexible superhydrophobic fabric with electromagnetic interference shielding based on MXene and cellulose nanofibers
Electromagnetic interference (EMI) shielding fabrics have a wide range of applications for human and equipment protection. However, it is a challenge for single electromagnetic shielding textiles to apply in t...
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Construction of PNIPAM/graphene oxide loaded with silver nanoparticles interpenetrating intelligent hydrogels for antibacterial dressing
Antibacterial dressings play an important role in wound management, especially in chronic wounds. Due to the excellent water retention, antibacterial hydrogel has become an ideal wound dressing. In this paper,...
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Preparation of hollowTiO2 nanospheres with highly porous surface for effective nucleating agents in supercritical carbon dioxide foaming of thermoplastic polyurethanes
In this study, hollow nanospheres of titanium dioxide (TiO2) are prepared and utilized as potential nucleating agents in supercritical carbon dioxide (scCO2) foaming process of thermoplastic polyurethanes (TPUs) ...
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Research on the properties of in situ emulsified active associative polymer with low molecular weight based on low permeability oil reservoirs
The development of oil and gas resources in low-permeability reservoirs is being paid more and more attention. Moreover, oil and gas resources in low-permeability reservoirs are affluent, and the water cut of ...
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A curcumin sustained-release hydrogel prepared from Pickering emulsions stabilized by modified amorphous calcium phosphate nanoparticles
This study presents a method to prepare hydrogel from Pickering emulsions stabilized with amorphous calcium phosphate (ACP). Pickering emulsion was prepared by utilizing stearic acid (Sa)-modified ACP as the e...
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Evaluation of the effect of molecular weight change of konjac glucomannan on antioxidant and tyrosinase activities
The purpose of this study was to characterize the biological activity of konjac glucomannan (KGM) according to its molecular weight change. KGM-degrading bacterial strain, N3 was isolated from soil and named Baci...
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Effect of mixing rate on molecular structure parameters of polybutadiene rubber based on rheology
The rheological properties of polymers before and after mixing are of primary concern because of the damage to the original molecular weight of polymers during processing. In order to reveal the correlation be...
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Article
In Situ Structure Study of a TiO2 Doped MnOX-Na2WO4/SiO2 Catalyst Under Na2WO4 Melting Conditions
MnOX-Na2WO4/SiO2 catalyst exhibited notable C2 selectivity/yield in the oxidative coupling of methane (OCM), a promised green chemistry reaction. Nevertheless, the reaction mechanism of this catalyst remains a su...
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Article
Effects of dark tea soup on rheological, thermal and microstructure characteristics of dough
In order to study the influence of dark tea soup on processing characteristics of dough, texture, thermo-dynamic and rheological properties and microstructure were measured. The dough with tea soup gets better...
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Interaction mechanisms between polycarboxylate superplasticizers and cement, and the influence of functional groups on superplasticizer performance: a review
Polycarboxylate (PCE) superplasticizers play a crucial role in preventing cement coagulation by effectively adsorbing onto the surface of cement particles, enhancing dispersibility, and maintaining dispersion ...
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The flower-like BSC/NiCo-LDHs composite as a high-performance active material for flexible supercapacitors
It is crucial to create an environmentally friendly renewable energy source given the rising environmental pollution brought on by overconsumption of fossil fuels and the global advocacy of green and sustainab...
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A study on the thermal aging characteristics of an electro-osmotic pump using a liquid crystal polymer as a packaging material
The generation of bubbles due to the poor barrier property of packaging materials with regard to gas or water permeability can be detrimental to the performance and stability of electro-osmotic (EO) pumps, as ...
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Article
Improving performance of natural rubber composites through the novel silica modified by a crosslinking agent
Silica dispersion and silica–natural rubber (NR) interaction are two major issues in determining the performance of a NR/silica composite in tire industry. In our research, the reaction product of 3-isocyanato...
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Article
Highly Ethylene-Selective Electroreduction CO2 Over Cu Phosphate Nanostructures with Tunable Morphology
Highly selective production of valuable ethylene from electrocatalytic CO2 reduction reaction (ECO2RR) is particularly desirable yet challenging. Morphology engineering is an effective strategy for catalyst desig...
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Article
Preparation and viscoelasticity of novel hydrophobic associating polymer with salt stimulation responsiveness by functional monomer modification for fracturing fluids
In this study, a salt-resistant hydrophobic association polymer (PZDY) was synthesized from acrylamide, octadecyl dimethylallyl ammonium chloride, and decane polyoxyethylene ether acrylate by aqueous polymeriz...
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Enhanced mass transfer and optimized electronic structure on Pd–Ag nanoparticles embedded in mesoporous carbon for superior electro-oxidation
The development of economically viable anode catalysts for the alcohol oxidation reaction (AOR) has been a long-standing challenge in direct alcohol fuel cells (DAFCs). A series of Pd–Ag nanoparticles embedded...
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Multifunctional 3D multilayer cross-linked CNF-CNT interlayer for kinetically accelerated polysulfide trap** and conversion in lithium − sulfur batteries
The development of conductive and porous interlayer can effectively mitigate the shutting of lithium polysulfide (LiPSs) for high efficiency lithium-sulfur batteries (LSBs). Ultra-thin and lightweight multifun...
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Facile preparation of magnetic P(MMA-co-GMA)@Fe3O4@PMAA microspheres using porous microsphere as templates for removal of methylene blue
Magnetic polymer microspheres (MPMs) have been frequently used in contemporary wastewater treatment technology because of their efficient adsorption and separation capabilities. However, the magnetization effi...
