Materiales avanzados

 

Materiales avanzados

Polyarylene?Based Anion Exchange Membranes for Fuel Cells
19/07/2024 - Polyarylene?based anion exchange membranes feature ether?free, high molecular weight, and high pKa aromatic polymer networks. Designing strategies, including balancing rigid and flexible segments in...
The capacitance and shape memory effect of highly stretchable and flexible nanocomposite electrodes based on polyaniline
15/07/2024 - Fabrication and characterization of new PEM formulations PA?Si2O3?PEO with covalently attached phosphonic acid, PA, afford robust, transparent, self?standing membranes in four of five families...
Ultrasensitive Wearable Pressure Sensors with Stress?Concentrated Tip?Array Design for Long?Term Bimodal Identification
15/07/2024 - The nonfully conformal interface between the skin and electronics leads to further dissipation of weak physiological signals. This work enhances the mechanical transfer efficiency from behavior and...
New Synthetic Non-toxic Mono-azo Acid Dyes with Prominent Antibacterial Properties for Potential Application on Polyamide Fabrics
11/07/2024 - In pursuit of improving dyeability and incorporating antimicrobial attributes into polyamide fabric, a series of mono-azo acid dyes (SN1–SN5) were synthesized. Sulfathiazole was...
Niche partitioning and plastisphere core microbiomes in the two most plastic polluted zones of the world ocean
06/06/2024 - Plastics are offering a new niche for microorganisms colonizing their surface, the so-called “plastisphere,” in which diversity and community structure remain to be characterized and compared...
A Homochiral Porous Organic Cage?Polymer Membrane for Enantioselective Resolution
19/05/2024 - For the first time, an enantioselective porous organic cage (Covalent cage 3 (CC3)?R)?based composite membrane using polyamide (PA) as a matrix is prepared via interfacial polymerization. The...
A Suspended, 3D Morphing Sensory System for Robots to Feel and Protect
19/05/2024 - Suspended electronic skins that enable structural integration of high?sensitive touch and dynamic pain perception are rationally designed through 3D deformation?mechanical contact mechanism, which...
Influence of Metal Surface Structures on Composite Formation during Polymer–Metal Joining Based on Reactive Al/Ni Multilayer Foil
25/04/2024 - During hybrid thermoplast metal joining with reacting Al/Ni foils, the structured metal surface influences crack initiation within the multilayer. Molten plastic penetrates the foil interface and...
Inhibiting stress corrosion cracking of a prefabricated surface?defective magnesium alloy thanks to biological organic components
18/04/2024 - Biomedical magnesium (Mg) alloys remain a challenge for their mainstream application, because the combination of bio?mechanical stress and corrosive physiological environment leading to stress...
A Study on the Removal of Impurity Elements Silicon and Zinc from Rubidium Chloride by Vacuum Distillation
24/04/2024 - With the rapid development of high and new technology, rubidium and its compounds show broad application prospect and market demand with their unique characteristics. At present, the production of...
Pseudo-Eutectic of Isodimorphism to Design Biaxially-Oriented Bio-Based PA56/512 with High Strength, Toughness and Barrier Performances
22/04/2024 - The biaxially-oriented PA56/512 has excellent mechanical strength, extensibility and water–oxygen barrier properties and has broad application prospects in green packaging, lithium...
Process Cascade for the Production of Green Polymers from CO2 and Electric Energy
09/04/2024 - A novel process cascade is introduced that combines the advantages of electrochemical CO2 conversion as CCU approach with the unrivaled synthetic potential of industrial biotechnology: CO2 is...
Impact of Prolonged Sitting Interruption on Blood Glucose, Insulin and Triacylglycerol in Adults: A Systematic Review and Meta-Analysis
10/04/2024 - Background: Physical activity (PA) and/or exercise improves postprandial cardiometabolic risk markers; however, the optimal exercise intensity, frequency, and dose remain unclear. We aimed to (1)...
Three-Dimensional Cross-Linking Network Coating for the Flame Retardant of Bio-Based Polyamide 56 Fabric by Weak Bonds
10/04/2024 - Weak bonds usually make macromolecules stronger; therefore, they are often used to enhance the mechanical strength of polymers. Not enough studies have been reported on the use of weak bonds in flame...
Recycled PET/PA6 Fibers from Waste Textile with Improved Hydrophilicity by In-Situ Reaction-Induced Capacity Enhancement
11/04/2024 - Due to the increasing amounts of textile waste, textile to textile recycling is of prime concern. Polyethylene terephthalate (PET) represents the most extensively used type of chemical fiber. Its...
A Lightweight Deep Learning Semantic Segmentation Model for Optical-Image-Based Post-Harvest Fruit Ripeness Analysis of Sugar Apples (Annona squamosa)
08/04/2024 - The sugar apple (Annona squamosa) is valued for its taste, nutritional richness, and versatility, making it suitable for fresh consumption and medicinal use with significant commercial potential....
Advanced Linguistic Complex T-Spherical Fuzzy Dombi-Weighted Power-Partitioned Heronian Mean Operator and Its Application for Emergency Information Quality Assessment
07/04/2024 - Against the background of a major change in the world unseen in a century, emergencies with high complexity and uncertainty have had serious impacts on economic security and sustainable social...
Cement Mortars Based on Polyamide Waste Modified with Fly Ash from Biomass Combustion—A New Material for Sustainable Construction
08/04/2024 - The article presents an analysis of the possibility of using the waste of polyamide 6 modified with fly ash (in the amount of 5, 10 and 15%) from the burning of wood–palm kernel shells...
Mechanistic Insights into the Effects of Ureas and Monomers on the Ring-Opening Alternating Copolymerization of Epoxides and Anhydrides Catalyzed by Organic Base/Urea
03/04/2024 - Aliphatic polyester is an important polyester material with good biocompatibility and degradability, which can be synthesized through ring-opening alternating copolymerization (ROAC) of epoxides and...
A low pollution surface pretreatment of PC?ABS under acidic conditions
21/03/2024 - Applicability evaluation of various methods for determining monomer conversion rate of PA6 products prepared by anionic polymerization.AbstractAnionic ring opening polymerization of ??caprolactam...