Materiales avanzados

 

Materiales avanzados

Strengthening of Laminated Veneer Lumber Slabs with Fiber-Reinforced Polymer Sheets—Preliminary Study
28/02/2024 - Analyzing the feasibility of reinforcing new and existing wooden structures is a valid problem, being the subject of numerous scientific papers. The paper presents the preliminary results of a study...
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...
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...
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...
High temperature and fire properties of sustainable syntactic foam reinforced by end?of?life tyre?derived rubber particles
15/02/2024 - The management of end?of?life tyres faces challenges due to insufficient recycling infrastructure and technologies, as well as limited markets for the materials recovered from them. To mitigate this,...
High?performance epoxy vitrimer composites based on double dynamic covalent bonds
16/02/2024 - Thermoset epoxy resin materials can be endowed with unique dynamic properties by introducing dynamic covalent bonds (DCB) into the cross?link network of the epoxy resin. However, it remains a...
The effect of graphene oxide on thermal, electrical, and mechanical properties of carbon/epoxy composites: Towards multifunctional composite material
13/02/2024 - Mulitfunctional composite material.The focus of this research work is to investigate the influence of graphene oxide (GO) on the mechanical, thermal, and electrical properties of carbon...
Ring?opening (co)polymerization of cardanol glycidyl ether
12/02/2024 - The anionic ring?opening copolymerization of commercially available bio?based cardanol glycidyl ether (CGE) was investigated without any prior purification. As a first step, anionic?ring?opening...
Osme Bond: Geometric and Energetic Features in the Adducts between OsO4 and Lewis Bases
09/02/2024 - Adducts formed by OsO4 and Lewis bases, have already been rationalised as ??hole based adducts. The interaction involving Osmium as electrophilic site is named Osme Bond (Omb). Here, new adducts with...
Quantitative evaluation of asphalt blending characteristics in epoxy?modified hot recycled asphalt mixtures based on 3D confocal fluorescence technology
09/02/2024 - Kanjiro Miyata and co?workers develop poly(2?methoxyethyl vinyl ether) (PMOVE) as a new stealth polymer alternative to poly(ethylene glycol) (PEG). PMOVE forms a layer of intermediate water that...
(Co)polymerization Reactions with Participation of Cyclic Monomers Catalyzed by Double Metal Cyanide Catalysts
09/02/2024 - Abstract Double metal cyanide catalysts are unique heterogeneous catalysts having no alternative in the industrial polymerization of propylene oxide to produce poly(propylene...
Micro Scratch Behavior Study of Titanium Dioxide and Graphene Nanoplatelets Reinforced Polymer Nanocomposites
09/02/2024 - Abstract Efficiency and maintenance reduction in polymer nanocomposites are critical objectives for engineers and scientists to have an optimized machine component design. A...
Preparation and Microwave Curing of Blended Phenolic Epoxy Fibers
09/02/2024 - Abstract Phenolic fibers are a new type of heat-resistant organic fiber material prepared through spinning. They are made of phenolic resin and are spun and cured to obtain...
An Experimental Study on the Sealing Mechanism of a Karst Pipeline by Dynamic Water Grouting
08/02/2024 - Aiming at the problem of water burst plugging in karst pipelines, in this paper, a new type of waterborne epoxy resin magnetic self-polymerization grouting material (WEMS) suitable for karst pipeline...
Mechanical recycling and electro?thermal welding of epoxy vitrimer nanocomposites
03/02/2024 - Use of disuflide bond exchanges for vitrimer recycling and welding.Vitrimers constitute a new class of recyclable thermosets based on the incorporation of associative dynamic covalent bonds, such as...
High erosion resistance thermoplastic polyurethanes composites fabricated via intercalation reinforced interfacial interaction
22/01/2024 - Schematic diagram for the effect of the toughener ESR?6.AbstractTo enhance the fracture toughness of epoxy resin at low temperature, a secondary branched epoxy?terminated silicone resin (ESR?6) was...
Adhesion of Historic Tile Fragments in Outdoor Architectural Settings
01/02/2024 - Azulejos are part of Portugal’s most important cultural heritage. However, a large part of this heritage is at risk due to lack of or improper conservation treatments. There are,...
Synthesis and flame?retardant analysis of a novel P/N containing flame retardant on epoxy resin composites
26/01/2024 - A new reactive flame?retardant N??(1?(4?hydroxyphenyl)?1?(6?oxido?6H?dibenzo[c,e][1,2]oxaphosphinin?6?yl)ethyl) benzohydrazide (DOPO?BD) was synthesized via a two?step reaction involving the Schiff...
Migration and Safety Aspects of Plastic Food Packaging Materials: Need for Reconsideration?
28/01/2024 - The aim and the novelty of the present review article was to provide the literature with a collective study focusing on the migration and safety issues in plastic food packaging materials that have...
A mechanical model for predicting the thermal expansion behavior of spherical particle reinforced epoxy composites
28/01/2024 - The thermomechanical interaction between the spherical particle and polymer matrix would affect the effective coefficient of thermal expansion (CTE) distribution around the particle, and in spherical...
Catalyst-Free Cardanol-Based Epoxy Vitrimers for Self-Healing, Shape Memory, and Recyclable Materials
23/01/2024 - Bio-based vitrimers present a promising solution to the issues associated with non-renewable and non-recyclable attributes of traditional thermosetting resins, showcasing extensive potential for...