Materiales

 

Materiales

Three?Dimensional Directional Assembly of Liquid Crystal Molecules
24/05/2024 - The precise construction of hierarchically long?range ordered structures using molecules as fundamental building blocks can fully harness their anisotropy and potential. However, the...
High?Color?Rendition White QLEDs by Balancing Red, Green and Blue Centres in Eco?Friendly ZnCuGaS:In@ZnS Quantum Dots
23/05/2024 - An In3+?doped strategy in ZnCuGaS@ZnS QDs to balance the carrier distribution among multi?centers is proposed. The In3+?doped tactics reduces the proportional variation among each luminescent center...
Synthesis and Antibacterial Activity of Grafted Poly(Vinyl Chloride) Polymer against Gram?Positive and Gram?Negative Bacteria
17/01/2024 - Infectious diseases caused by microorganisms have gained worldwide attention in recent years. According to data compiled by the World Health Organization, the number of deaths resulting from...
Direct Evidence of ?–? Interactions in Transparent Organic–Inorganic Polymer Hybrids of Polystyrene and Silica Gel
10/04/2024 - Polystyrene and silica gel polymer hybrids derived from polystyrene and phenyltrimethoxysilane via ?–? interactions were synthesized by a slight modification of the previous method. Spectroscopic...
Extraction kinetics of Brazilian green propolis and chemical characterization of its volatiles
23/05/2024 - Propolis is a natural resinous product produced by Apis mellifera bees from the exudates of various plants. The color of propolis (green) is a consequence of its botanical origin, as bees collect...
Synthesis and Optical Properties of Binaphthyl Derivatives with Comprehensive Introduction of Phenylethynyl Groups
24/05/2024 - In this study, compounds with phenylethynyl (PE) groups introduced at all of the possible positions of the methylene?bridged structure of the 1,1??bi?2?naphthol backbone (3?PE to 8?PE) were...
Effectively adsorb Au(S2O3)23? using aminoguanidine as trapping group from thiosulfate solutions
27/05/2024 - Thiosulfate gold leaching is one of the most promising green cyanide-free gold extraction processes; however, the difficulty of recovering Au(I) from the leaching system hinders its further...
Effects of mean stress on the fatigue properties of core?in?sheath?type carbon/glass hybrid thermoplastic composite rods: Experimental investigation and practical predictive method
25/05/2024 - A systematic acquisition of fatigue test data was conducted under different stress ratio conditions to investigate the effect of mean stress on the fatigue properties of carbon/glass hybrid...
Assessing the Washing Fastness and Environmental Impact of Various Reduction Clearing Processes on High-Performance Polyetherimide (PEI) Fabrics
25/05/2024 - PEI fibers are considered a high-performance type of fiber, known for their exceptional heat resistance and mechanical strength. These fibers, made of polyetherimide (PEI) polymer, have a...
Cure characteristics and mechanical properties of natural rubber vulcanizates filled with untreated pyrolytic tire char
23/05/2024 - Diffusion particles fabricated via in?situ combining PMMA microspheres and nanoparticles through electrostatic attraction display considerably different optical diffusion effects in prepared...
Assessment of property profile of post?industrial polypropylene recyclates through a multivariable recycling process
24/05/2024 - The synthesis of KGM/PAM/Ga3+ hydrogels and the action mechanism for efficiently killing bacteria and accelerating wound healingAbstractGallium ions have a special action mechanism that interferes...
Energy?principle?based analysis of elastic instability in polymer cylinders subject to surface tension
25/05/2024 - Preparation process of DOPO?containing organoclay and its synergistic flame retardant mechanism with aluminum hydroxide and red phosphorusAbstractIn this study, a nanohybrid based on montmorillonite...
Analysis of the Multiwalled Carbon Nanotubes Reinforced Polymethyl Methacrylate Bone Cement’s Characteristics and In Vitro Bioactivity to Prolong Its Functionality in Orthopedic Application
30/05/2023 - Polymethyl methacrylate (PMMA) bone cement is being used to fill voids that are created due to vertebral compression fractures. It is also a grouting medium in orthopedic joint replacement surgeries...
Intrinsically Noncombustible Thermosets from Sulfur?Containing Epoxy Resin and Benzoxazines: Evaluation of Thermal and Mechanical Properties
02/08/2023 - Benzoxazine (BZ)?epoxy copolymers exhibit favorable mechanical properties, but their thermal and flame?retardant characteristics are impaired at high epoxy fractions. Here, we report a new type of...
Tailoring the Curing Kinetics of NBR?Based Rubber Compounds for Additive Manufacturing of Rod Seals
22/08/2023 - The additive manufacturing (AM) of elastomeric parts based on high?viscosity reinforced rubbers has increasingly become a topic of scientific research in recent years. In addition to the viscosity,...
Fabrication and Characterization of Partial Bio?nano?silica Inclusion in Fibre?Reinforced Concrete for High?performance Applications
10/08/2023 - Ultra?high?performance fibre?reinforced concrete (UHPFRC) is a specialized type of concrete (to create a very dense matrix) that is used for both new construction and renovation projects in order to...
Performance of Plastic Waste?Based Polyionic Liquid toward the Dehydration of Crude Oil Emulsions
26/09/2023 - Polyethylene terephthalate (PET) is one of the most widely used plastics in the world. Due to the large production and use of this plastic, its waste represents one of the most critical environmental...
A Comprehensive Review of Ultrahigh Molecular Weight Polyethylene Fibers for Applications Based on Their Different Preparation Techniques
19/09/2023 - Ultrahigh molecular weight polyethylene (UHMWPE) fiber is widely recognized for its exceptional properties, including high strength?to?weight ratio, toughness, and chemical resistance, making it a...
Thermo?Responsive Shape Memory Thermoplastic Elastomer Based on Natural Rubber and Ethylene Octene Copolymer Blends
30/10/2023 - The shape memory (SM) polymers with superior SM properties were successfully fabricated based on melt blending of natural rubber (NR) and ethylene octene copolymer (EOC) at various crystallinity of...
Manufacturing of Filament for 4D Printing through Polyether?Type TPU/PLA Blend
10/11/2023 - Reversible deformation structure fabricated by 4D printing can be applied in various fields, such as actuators, intelligent mechanisms, and soft robots. In this study, 4D filaments for use in fused...
Precipitation of Polypropylene and Polyethylene Terephthalate Powders Using Green Solvents via Temperature and Antisolvent?Induced Phase Separation
30/11/2023 - Polymer dissolution and precipitation are two common processes for the production of polymer powders, especially for cases where usual means of comminution are not applicable. I investigated six...