Materiales

 

Materiales

Deciphering the Absolute Con?guration of Murgantiol Isomers in the Pheromone Blend of the Rice Stink Bug, Mormidea v?luteum (Hemiptera, Pentatomidae)
25/02/2024 - The males?produced pheromone blend of the Mormidea v?luteum (Hemiptera, Pentatomidae) consists in two isomers of zingiberenol (1) and three of murgantiol (2). While the absolute configuration of the...
Vinyl methyl oxazolidinone as reactive diluent to overcome the solubility limitations of highly polar unsaturated polyesters
23/02/2024 - Schematic illustration of the flame?retardant mechanism of the fPVC/MHEPE composite.AbstractA trade?off dilemma exists for simultaneously improving the mechanical properties and flame resistance of...
Synergetic improvements of intrinsic thermal conductivity and breakdown strength in liquid crystal epoxy resin for high voltage applications
23/02/2024 - Abstract Heat conductive epoxy composites as electronic packaging materials present wider applications. However, the high loading of fillers required for a high thermal...
Analysis of Mechanical Response of Epoxy Asphalt-Repaired Pavement in Pothole Interface on Steel Bridge Deck under Coupled Temperature-Dynamic Loading
23/02/2024 - The persistence of pothole maintenance represents an enduring challenge. Past studies have largely concentrated on the materials and techniques used for remediation, with a lack of attention given to...
Influence of a Biofiller, Polylactide, on the General Characteristics of Epoxy-Based Materials
26/02/2024 - The aim of this work was to obtain epoxy-based composite structures with good mechanical performance, high aging resistance, and an improved degradability profile. For this purpose, powdered...
Mechanical and Thermal Analysis of Duroplastic Matrix Composites over a Range of Temperatures
23/02/2024 - It is commonly acknowledged that polymer composites in service are often subjected to not only intricate mechanical loads but also harsh environmental conditions. The mechanical and thermal...
External Stimuli-Induced Welding of Dynamic Cross-Linked Polymer Networks
24/02/2024 - Thermosets have been crucial in modern engineering for decades, finding applications in various industries. Welding cross-linked components are essential in the processing of thermosets for repairing...
Hygrothermal Effect on GF/VE and GF/UP Composites: Durability Performance and Laboratory Assessment
26/02/2024 - In order to investigate the durability of two kinds of fiber-reinforced composite materials, and obtain the degradation mechanism and failure model in a hygrothermal environment, E-glass-...
The Flame Retardant and Mechanical Properties of the Epoxy Modified by an Efficient DOPO-Based Flame Retardant
26/02/2024 - Currently, the mechanical performance reduction caused by excessive phosphorus content in the halogen-free flame-retardant EP has been an obstacle to its extensive application. This study presents...
Bio?marine shell powder?filled jute fabric/epoxy composites: Chemical, combustion, and mechanical properties
22/02/2024 - Preparation and combustion performance of jute fabric/epoxy composite filled with shell powder.Natural fiber/resin composites exhibit poor fiber–matrix compatibility and easy combustion. In this...
Study on mechanical properties of vacuum?infused glass fiber reinforced thermoplastic methacrylic resin composites
23/02/2024 - Vacuum injection molding and mechanical properties of composites.In recent years, the growing environmental awareness has prompted increased attention towards the substitution of nonrecyclable...
Effects of synthesis temperature on structures and properties of epoxidized soybean oil oligomers and starch?based bioplastics
22/02/2024 - The work investigated the synthesis of the oligomers with citric acid (CA) and epoxidized soybean oils (ESO) at various temperatures and the effects of the oligomers on the structures and properties...
Molecular structure regulation of functional polylactic acid based on chain expansion reaction and its improved hydrolysis resistance
22/02/2024 - In this work, the functional polylactic acid (PLA) was synthesized using epoxy chain extender (ADR) as a chain extender agent through melt blending method. The effects of ADR content on the...
Exploring Mechanical and Flammability Traits in Hybrid Composites of Crown Flower/Nano SiO2/4ZnO·B2O3·H2O under Cryogenic Conditions: an Experimental Study
26/02/2024 - One of the trendiest areas in the world of materials research is multifunctional polymer nanocomposites. The long-term behaviour of fibre-reinforced polymer composites exposed to cryogenic...
Influence of environmentally friendly curing system on properties of railway rubber pad
17/02/2024 - A novel synergist with excellent performance named PPy?Fe2O3 was synthesized. Compared with EP/DDP, the peak smoke production rate and peak heat release rate of EP/DDP/PPy?Fe2O3 decreased by 11.0%...
Surface functionalization of aramid fibers via constructing different zinc oxide nanostructures for improved UV resistance
16/02/2024 - The cohesion and interfacial adhesion behavior of epoxy asphalt.AbstractThis paper investigated the cross?linking network structure of epoxy asphalt (EA) with the different ratio of composite curing...
Preparation of active–passive anticorrosion antistatic epoxy nanocomposite coatings loaded with CeO2, CeO2@C, and CHS particles
22/02/2024 - AbstractIn this study, active–passive anticorrosion antistatic epoxy composite coatings containing CeO2, carbon coated ceria (CeO2@C), and carbon hollow sphere particles were prepared. Cerium...
A trifunctional active ester for curing DGEBA: synthesis, curing behavior, and properties of its cured product
20/02/2024 - Abstract A trifunctional active ester curing agent, triacetoxytriphenylmethane (TATPM), which was dissolvable in diglycidyl ether of bisphenol A (DGEBA), was prepared and...
Corrosion Performance of Epoxy/Sulfur–Selenium Coating on Q235 Steel
20/02/2024 - Sulfur powder (99.99%) and selenium powder (99.99%) were mixed and heated to approximately 300 °C to obtain an S-Se alloy. It has good flowability at 130 °C and can be applied...
Polymer Nanocomposites Based on Nanosized Substituted Ferrites (NiZn)1−xMnxFe2O4 on the Surface of Carbon Nanotubes for Effective Interaction with High-Frequency EM Radiation
21/02/2024 - To create materials that interact effectively with electromagnetic (EM) radiation, new nanosized substituted ferrites (NiZn)1−xMnxFe2O4 (x = 0, 0.5, and 1) anchored on the surface of...