Materiales

Materiales

Rapid and in-situ determination of epoxy equivalent weight of bisphenol-based epoxides by micro-Raman spectroscopy
01/02/2023 - Abstract The need for rapid, fast and nondestructive determination of the epoxy equivalent weight (EEW) of the resins was the underlying motivation to develop and propose an...
Compression Behavior of Concrete Columns Strengthened with Fiber-Reinforced Inorganic Composites Based on Magnesium Phosphate Cement
01/02/2023 - Fiber-reinforced polymer (FRP) composites have become attractive for strengthening and repairing deteriorated concrete structures. However, their poor high-temperature resistance and durability in...
Study of the Soft Magnetic Properties of FeSiAl Magnetic Powder Cores by Compounding with Different Content of Epoxy Resin
02/02/2023 - FeSiAl is a commonly used soft magnetic material because of its high resistivity, low core loss, and low cost. In order to systematically study the effect of epoxy resin (EP) on the insulated coating...
Sustainable Composites from Nature to Construction: Hemp and Linseed Reinforced Biocomposites Based on Bio-Based Epoxy Resins
02/02/2023 - The present manuscript describes the use of natural fibers as natural and sustainable reinforcement agents for advanced bio-based composite materials for strategic sectors, for example, the...
GHz—THz Dielectric Properties of Flexible Matrix-Embedded BTO Nanoparticles
02/02/2023 - BaTiO3 (BTO) nanoparticles produced by wet chemistry methods were embedded in several types of flexible materials in order to fabricate flexible electronic devices. Starting from the produced...
Effects of Hygrothermal and Salt Mist Ageing on the Properties of Epoxy Resins and Their Composites
31/01/2023 - Epoxy and epoxide composites have a wide range of outdoor applications wherein they are affected by ageing. In this study, epoxy casting plates and epoxy-based composite rods for use in overhead...
Copolymerization of Carbon Dioxide with 1,2-Butylene Oxide and Terpolymerization with Various Epoxides for Tailorable Properties
01/02/2023 - The copolymerization of carbon dioxide (CO2) with epoxides demonstrates promise as a new synthetic method for low-carbon polymer materials, such as aliphatic polycarbonate materials. In this study, a...
A Reactive Molecular Dynamics Study on Crosslinked Epoxy Resin Decomposition under High Electric Field and Thermal Aging Conditions
02/02/2023 - To reveal the microscopic mechanism of synergetic thermal–electrical degradation during a partial discharge process in epoxy insulation materials, the decomposition of crosslinked epoxy...
Mechanical Response of Epoxy Resin—Flax Fiber Composites Subjected to Repeated Loading and Creep Recovery Tests
02/02/2023 - Flax fiber-reinforced plastics have an innate eco-friendly nature due to the fiber reinforcement and reduced energy requirements in fabrication when compared to current fiber reinforced composite...
Ultimate tensile behavior of short single?wall carbon nanotube/epoxy composites and the reinforced mechanism
31/01/2023 - A schematic representation of the model cell of single?wall carbon nanotubes (SWCNT) reinforced epoxy composites (A) and the forces suffered by SWCNT and matrix (B). A prediction dependence of...
Effect of SiO2 particle size scale on the electrical performance of epoxy?based nonlinear conductive composite
30/01/2023 - In this paper, SiO2 particles with different particle sizes were added as fillers into the composites prepared by epoxy resin and micron silicon carbide to investigate the mechanism of SiO2 particle...
The effect of fiber orientation and stacking sequence on carbon/Kevlar/epoxy intraply hybrid composites under dynamic loading conditions
30/01/2023 - This work investigated the thermo?mechanical behavior of (carbon/Kevlar) intraply hybrid composites. The carbon/Kevlar plies' orientation and sequential arrangement were varied. Carbon and Kevlar...
Recyclable bio?based epoxy resins containing hybrid cross?linking networks
01/02/2023 - Bio?based “thiol?epoxides” thermosets containing dynamic cross?linked network topologies, permanent cross?linking and recyclability have been successfully utilized in coatings, adhesives and...
Properties of epoxy resins?based composite materials with the addition of microspheres
29/01/2023 - This article outlines the results of investigations of epoxy resin?based composite materials. Samples have been made of epoxy resin ED 20 with the addition of 2, 5, 10 % wt of microspheres. Structure...
Monte Carlo Investigation of Gamma Radiation Shielding Features for Bi2O3/Epoxy Composites
30/01/2023 - Three different samples were synthesized based on polyepoxide resin, a solidifying agent, and a Bi2O3 doping compound. The polyepoxide resin and solidifying agent were added in a 2:1 ratio by weight...
Improving the Ablation Properties of Liquid Silicone Rubber Composites by Incorporating Hexaphenoxycyclotriphosphonitrile
30/01/2023 - The ablative properties of epoxy-modified vinyl silicone rubber (EMVSR) composites containing hexaphenoxycyclotriphosphonitrile (HPCTP) have been systematically studied. The strength of the ablation...
Relaxation Model of the Relations between the Elastic Modulus and Thermal Expansivity of Thermosetting Polymers and FRPs
30/01/2023 - This research was completed in the development of studies devoted to relations between the elastic modulus (MoE) and thermal expansivity (CTe) of different materials. This study, based on...
The Effect of Organic Fillers on the Mechanical Strength of the Joint in the Adhesive Bonding
30/01/2023 - The most important advantages of adding additives to adhesives are increasing the bonding strength and reducing the adhesive cost. The desire to reduce costs as well as the need for environmentally...
Copolymers of vinylferrocene and vinylimidazole for potential sensing applications
27/01/2023 - AbstractIn the last decades, there is an increasing trend for replacing petro?based adhesives with sustainable and eco?friendly alternatives, especially in the wood industry. In this work it was...
Preparation and Properties of Hydrophobic and Oleophobic Coating for Inkjet Printing
27/01/2023 - As a functional decorative material on the surface of printing and packaging, coating plays the role of increasing gloss, wear resistance, and antifouling. It has broad application prospects in...
Photocured Composite Films with Microfibrillated Cellulose: A Study of Water Vapor Permeability
28/01/2023 - Photocuring is a crosslinking process, widely employed to produce polymers in the form of film. As it is an environmentally friendly process, it is particularly interesting for the preparation of...