Materiales avanzados

Materiales avanzados

As Fiber Meets with AIE: Opening a Wonderland for Smart Flexible Materials
07/12/2022 - Aggregation?induced emission luminogens (AIEgens) have recently been developed at a tremendous pace in the area of organic luminescent materials by virtue of their superior properties. However, the...
Highly stable polyaniline array@ partially reduced graphene oxide hybrid fiber for high-performance flexible supercapacitors
- The development of flexible supercapacitors (SCs) with high energy density, excellent deformation and cycling stability has great meaning for flexible electronic. Herein, polyaniline
One?pot synthesis of phosphorus?modified ZSM?5 zeolite by solid?state method and its MTO Catalytic performance
07/12/2022 - The traditional hydrothermal synthesis strategy of ZSM?5 zeolite is energy?consumption accompanying by pollution issues. Herein, phosphorus?modified layered ZSM?5 zeolites (PZ) were obtained by...
Readily Accessible Strained Difunctionalized trans?Cyclooctenes with Fast Click and Release Capabilities
07/12/2022 - The synthesis of a novel strained difunctionalized trans?cyclooctene in only four high?yielding steps is presented and the releasing capabilities of functionalized derivatives were evaluated upon...
Overclocking Nitronyl Nitroxide Gold Derivatives in Cross?Coupling Reactions
07/12/2022 - The present study resolved a problem in Pd?catalysed cross?coupling of metalloorganic derivatives of nitronyl nitroxide with bromoarenes. The finding opens a new pathway to various in?demand nitronyl...
Ligand?Functional Groups Induced Tuning MOFs’ 2D into 1D Pore Channels for Pipeline Natural Gas Purification
07/12/2022 - With the ligand functionalized by the NH2 group or Cl atom, the 2D “zigzag” pore channel of a new pillar?layer tfz?d?MOF based upon the [Co4(??F)2(COO)6(NC5H4)4] cluster was finely tuned to be...
Investigation into the effect of introducing functionalized hafnium carbide with GO in the epoxy coated aluminium alloy for aerospace components
- The inorganic nanofiller hafnium carbide (HfC) was modified with 4-amino-5-pyridin-3-yl-4H-triazole-3-thiol (APTT) and the resultant APTT/HfC was encapsulated with graphene oxide (GO) in the epoxy...
An organic silicone composite coating for protection of Ti-6Al-4V alloy: Oxidation behavior at 600 ºC in dry air
- A new organic silicone composite coating modified by Al, ZrO2, quartz and PbO-SiO2-Al2O3 glass powders was developed to protect Ti-6Al-4V alloy. During oxidation at 600 °C in dry air, the...
Noble metal nanoparticles meet molecular cages: A tale of integration and synergy
- Noble metal nanoparticles attract growing interest owing to their high surface-to-volume ratio and unique optical, electric and catalytic properties. Fine-tuning these properties and broadening...
Synthesis of Dielectric Nanospheres with Moderate?Refractive?Index and Applications in Photon Manipulating
07/12/2022 - The nanostructures for photon manipulating (NSPMs) have attracted widespread attention owing to the ability to directionally control light propagations. The related researches have also been...
Electronic control of catalytic activity of ZnO for higher alcohols synthesis via tailoring Fermi level
- Metal doping are essential for electronic modulation of semiconductors, leading to different Fermi level, which determined the surface chemisorption and catalytic properties. Here, ZnO doping with...
A review of research and application of polylactic acid composites
01/12/2022 - Selective methylene blue adsorption and antifouling performance of polyurethane/montmorillonite?based electrospun composite membrane.AbstractA robust antifouling membrane with pollutant?removing...
Synthesis of water?soluble protoporphyrin IX polymers and their photodynamic application
02/12/2022 - Describes the synthesis of a new copolyarylates using bisphenol A, phenol red, TPC and IPC by interfacial polymerization. The synthesized copolyarylates are amorphous, have good thermal properties...
Effects of urea loading on soil biodegradation properties of melt?processed polycaprolactone?based composites for potential application in agriculture
03/12/2022 - AbstractIn this work, three bismaleimides containing cardo and ortho?oxazine structures, with dual advantages of bismaleimide and benzoxazine resins, were synthesized. Their chemical structures were...
Dielectric and electromagnetic interference shielding properties of nano?silicon carbide/montmorillonite and graphene nanoplatelets filled polyvinylidene fluoride/poly(3,4?ethylenedioxythiophene)?block?poly(ethylene glycol) blend nanocomposites
07/12/2022 - A Dicyanoimidazole resin monomer with a flexible chain segment of bisphenol A, PBhDCI, was successfully prepared. PBhDCI monomer exhibits good solubility in the ethanol by virtue of the abundant...
Combustion characteristics and fire hazard of polystyrene exterior wall thermal insulation materials
07/12/2022 - Fabrication and characterization of PVC membranes.AbstractIn the present study, polyvinyl chloride (PVC) membranes were used to improve water purification and fouling performance. Porous PVC flat...
Structure and properties of new biodegradable elastomers composed of poly(ethylene succinate)?based poly(ether ester)s and poly(lactic acid)
05/12/2022 - AbstractHigh?performance graphene oxide (GO) and graphene reinforced epoxy composites have made great development in various properties (such as, mechanical and thermal property) compared with the...
Impact of molecular weight on the solubility parameters of poly(3?hexylthiophene)
07/12/2022 - The solubilities of three P3HT samples of similar regioregularity (rr???96%) but varying molecular weight (Mn = 14?kDa, 32?kDa, and 49?kDa) are measured in 23 organic solvents. The solubility data...
Highly Enriched Uranium-Free Medical Radioisotope Production Methods: An Integrative Review
08/12/2022 - The ever-growing need for radiopharmaceuticals, i.e., compounds containing pharmaceutical drugs and radioisotopes used for medical diagnostic imaging (SPECT/PET scan) and treating neoplasms, is...
Spectrophotometric Analysis of 3D Printed and Conventional Denture Base Resin after Immersion in Different Colouring Agents—An In Vitro Study
08/12/2022 - Three-dimensional printed denture base resins are relatively new materials, and their properties need to be thoroughly investigated to assess whether they can be used clinically. The aim of the...
An Evaluation of Surface-Active Agent Hexadecyltrimethylammonium Bromide with Vertical Self-Alignment Properties to Align Liquid Crystals for Various Cell Gap Conditions
08/12/2022 - We evaluated hexadecyltrimethylammonium bromide (HTAB) for liquid crystals (LCs) in layered ITO cells with various cell gap conditions. HTAB is a surfactant that can self-align vertically on the...