Materiales

 

Materiales

A Comparison Study on Toughening Vinyl Ester Resins Using Different Nanocarbon Materials
25/11/2023 - This study aims to comprehensively compare and evaluate the toughening effects of different nanocarbon materials on vinyl ester resins. Four typical nanocarbon materials, including graphene, graphene...
Influence of Inner Gas Curing Technique on the Development of Thermoplastic Nanocomposite Reinforcement
15/11/2023 - In this work, a comprehensive shrinkage and tensile strength characterization of unsaturated polyester (UPE-8340) and vinyl ester (VE-922) epoxy matrices and composites reinforced with multiwall...
Preparation of Thermoplastic Cellulose Esters in [mTBNH][OAC] Ionic Liquid by Transesterification Reaction
03/10/2023 - The transesterification of cellulose with vinyl esters in ionic liquid media is suggested as a prospective environmentally friendly alternative to conventional esterification. In this study, various...
The synergistic impacts of hybrid nanofillers of graphene nanoplatelets/carbon nanotubes on curing behavior of an epoxy?vinyl ester interpenetrating polymer network nanocomposite coating
20/09/2023 - Herein, we wish to report the influence of hybrid GnP/MWCNT nanofillers at different loadings on the curing kinetics of the EP/VE IPN system.This study investigated the synergistic effects of hybrid...
Characterisation of Curing of Vinyl Ester Resin in an Industrial Pultrusion Process: Influence of Die Temperature
18/09/2023 - Pultrusion is a high-volume manufacturing process for Fibre-Reinforced Polymer (FRP) composites. It requires careful tuning and optimisation of process parameters to obtain the maximum production...
Enhancing vinyl ester properties with eco?friendly sustainable biochar filler
01/09/2023 - Processing of Cashew Nut Shell BiocharBiomass and other biogenic wastes can be used in polymeric materials, allowing for effective waste utilization. Thus, these materials can be converted into...
Effects of Additives on the Mechanical and Fire Resistance Properties of Pultruded Composites
29/08/2023 - Under high temperatures, fiber-reinforced polymers are destroyed, releasing heat, smoke, and harmful volatile substances. Therefore, composite structural elements must have sufficient fire resistance...
Engineering Toughness in a Brittle Vinyl Ester Resin Using Urethane Acrylate for Additive Manufacturing
22/08/2023 - Thermosetting polymers tend to have a stiffness–toughness trade-off due to the opposing relationship of stiffness and toughness on crosslink density. We hypothesize that engineering the...
Influence of oxygen/argon duoplasmatron synergistic modification on the mechanical properties of UHMWPE/vinyl ester composites
09/08/2023 - Characterization of UHMWPE composites with oxygen/argon duoplasmatron modification.This study reveals double plasma modification of ultra?high molecular weight polyethylene (UHMWPE) fibers by...
Incorporation of Lignin in Bio-Based Resins for Potential Application in Fiber–Polymer Composites
19/07/2023 - Bio-based resins, obtained from renewable raw materials, are a more sustainable alternative to oil-based resins for fiber-reinforced polymer (FRP) composites. The incorporation of lignin in those...
Evaluation of the physical, mechanical, water absorption, and tribological behavior of pineapple leaf fiber/roselle fiber reinforced vinyl ester hybrid composites for non?structural applications
13/06/2023 - Natural fiber?based polymer composites have greater advantages due to their superior mechanical properties and environmentally friendly nature. In the present study, pineapple leaf (PALF) and roselle...
Mechanical and thermal characteristics of steam?exploded silane grafted Kigelia Pinnata fruit (KPF) fiber reinforced vinyl ester polymer composites
01/06/2023 - Mechanical characterization of KPF?reinforced vinyl ester compositeThe cellulose?rich Kigelia pinnata aqueous fruit (KPF) fiber is a valuable natural biomass and has drawn attention as a renewable...
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,...