Materiales

Materiales

Polymer-Matrix Composites: Characterising the Impact of Environmental Factors on Their Lifetime
23/05/2023 - Polymer-matrix composites are widely used in engineering applications. Yet, environmental factors impact their macroscale fatigue and creep performances significantly, owing to several mechanisms...
Antioxidant Activities of Dihydromyricetin Derivatives with Different Acyl Donor Chain Lengths Synthetized by Lipozyme TL IM
14/05/2023 - Dihydromyricetin (DHM) is a phytochemical with multiple bioactivities. However, its poor liposolubility limits its application in the field. In this study, DHM was acylated with different fatty acid...
Study on the Effect of Core-Shell Abaca Vascular Carriers on the Self-Healing and Mechanical Properties of Thermoset Panels
09/05/2023 - Self-healing panels were prepared using vinyl ester (VE) and vascular abaca fibers (unidirectional) through the hand lay-up process. Initially, two sets of abaca fibers (AF) were prepared by filling...
Expanding the substrate scope of acyltransferase LovD9  for the biosynthesis of statin analogues
04/05/2023 - This study identifies new acyl donors for manufacturing statin analogues through the acylation of monacolin J acid by the laboratory evolved acyltransferase LovD9. Vinyl and p?nitrophenyl esters have...
Regulating the structure of thermoplastic polyurethane elastomers with a diol chain extender to strength performance
11/04/2023 - An inherent flame?retardant P/N?containing vinyl ester resin.AbstractDue to the plasticizing effect, the phosphorus?derived flame retardants often imparted flame retardancy to thermosetting resins at...
Degradation of Carbon Fiber-Reinforced Polymer Composites in Salt Water and Rapid Evaluation by Electrochemical Impedance Spectroscopy
17/02/2023 - The electrochemical impedance spectroscopy and weight gain tests were performed on carbon fiber/vinyl ester and carbon fiber/bismaleimide composites in 3.5% NaCl solution to study the electrochemical...
Utilization of Mechanically Recycled Carbon Fibers in Vinyl Ester Composites
17/02/2023 - As we enter the twenty-first century, the aviation sector is expected to thrive as flying becomes the primary mode of transportation between states or nations. With such a demand, there is a...
Hydrothermal Ageing of Glass Fibre Reinforced Vinyl Ester Composites: A Review
08/02/2023 - The use of glass fibre-reinforced polymer (GFRP) composites in load-carrying constructions has significantly increased over the last few decades. Such GFRP composite structures may undergo...
Aryloxy Ionic Liquid-Catalyzed Homogenous Esterification of Cellulose with Low-Reactive Acyl Donors
13/01/2023 - Ionic liquids (ILs) are recyclable, non-volatile, and can dissolve cellulose, a natural polymer that is insoluble in versatile solvents. Therefore, ILs have been used to modify cellulose. However,...
Experimental Study on Mechanical Properties and Durability of Polymer Silica Fume Concrete with Vinyl Ester Resin
12/01/2023 - Polymer concrete, which contains silica fume powder and vinyl ester resin as two replacements for Portland cement, has improved mechanical properties and durability compared to ordinary concrete....
Thermomechanical Properties and Fracture Toughness Improvement of Thermosetting Vinyl Ester Using Liquid Metal and Graphene Nanoplatelets
09/12/2022 - In this study, a eutectic gallium–indium (EGaIn) alloy and graphene nanoplatelets (GnPs) were employed as reinforcements for a comonomer vinyl ester (cVE) resin at different weight...
Exploring the limits of toughness enhancers for 3D printed photopolymers as bone replacement materials
26/09/2022 - Vinyl esters (VEs) are well?examined monomers for additive manufacturing technology in tissue engineering. They display benefits like low cytotoxicity, good biocompatibility and favorable degradation...
Multi-objectives Statistical Optimization and micro-mechanics Mathematical Modelling of Musa Acuminate fibre-vinyl Ester Composite Reinforcement
07/10/2022 - Natural fibers are fast emerging as most widely applied reinforcing material in composites and statistical optimization and modeling provides deep insight and clear understanding of the key...
Polyvinylidene fluoride/polysulfone/air plasma defected hexagonal boron nitride emerging nano blends for electrostatic dissipation
19/09/2022 - AbstractIn this article, the carbon fiber reinforced vinyl ester (CVE) composite was modified with pristine and functionalized carbon nanotubes (CNTs/FCNTs) using the in situ polymerization and...
Effects of high pulling speeds on mechanical properties and morphology of pultruded GFRP composite flat laminates
01/12/2022 - The economic efficiency of pultrusion can be significantly improved by operating the process at higher...
Hybrid ANN models for durability of GFRP rebars in alkaline concrete environment using three swarm-based optimization algorithms
17/10/2022 - This study investigates the non-linearity of GFRP degradation in terms of tensile strength retention (TSR) encompassing five input variables (i.e., diameter of GFRP rebar, volume fraction of...
Effect of green hybrid fillers loading on mechanical and thermal properties of vinyl ester composites
29/08/2022 - Stages of TSF/DSF filled vinyl ester composites.The need for eco?friendly materials has been attracted due to renewability, abundance availability, low cost, and so on. Therefore, the search for bio...
Construction of vinyl ester resins composite coatings via introducing silane-functionalized graphene oxide for enhancing comprehensive performance
29/09/2022 - Vinyl ester resins (VERs) are often used as anti-corrosive coating due to their high curing speed and good mechanical property in most industrial fields. However, many small holes can be formed...
Influence of the Reinforcement Structure on the Thermal Conductivity and Surface Resistivity of Vinyl Ester Composites Used on Explosion-Proof Enclosures of Electrical Equipment
26/07/2022 - The study aimed to evaluate the influence of structure (type and material) on thermal properties (thermal conductivity, diffusivity) and surface resistance of composites used for explosion-proof...
Yellowing mechanisms of epoxy and vinyl ester resins under thermal, UV and natural aging conditions and protection methods
01/10/2022 - Polymer resins have yellowing issue when subjected to elevated temperatures or UV exposure, which limit their applications in color-sensitive fields. This paper presents an experimental study on...