Materiales

 

Materiales

Engineering of Reversibly Cross?Linked Elastomers Toward Flexible and Recyclable Elastomer/Carbon Fiber Composites with Extraordinary Tearing Resistance
14/07/2024 - Flexible elastomer/carbon fiber (CF) composites with extraordinary tearing resistance are fabricated through complexation of CF fabrics and reversibly cross?linked polyurethane (PU) elastomer binders...
Effectiveness of Fish Scale?Derived Collagen as an Alternative Filler Material in the Fabrication of Polyurethane Foam Composites
11/07/2024 - This study is based on the utilization of fish scale?derived collagen (FSC) as a potential filler material in polyurethane foam (PUF) composites. The composites were prepared with varying FSC...
High?Entropy Lanthanide–Organic Framework as an Efficient Heterogeneous Catalyst for Cycloaddition of CO2 with Epoxides and Knoevenagel Condensation
11/07/2024 - A high?entropy lanthanide–organic framework (HE?LnMOF) heterogeneous catalyst toward sustainable CO2 conversion reactions. The five rare earth metals were well?dispersed and randomly distributed in...
Date July 10, 2024
12/07/2024 - Tetradentate ONNO donor ligands H2hz(fp)2 (I), H2hz(butp)2 (II) and H2hz(bp)2 (III) synthesized by the reaction of hydrazine hydrate with 4?formyl?3?methyl?1?phenyl?5?pyrazolone (fp),...
Syringaldehyde?DOPO derivative for enhancing flame retardancy and mechanical properties of epoxy resin
14/07/2024 - With the wide application of epoxy resins in adhesives, electronic packaging materials, and aerospace fields, it is necessary to prepare high?performance flame?retardant epoxy resins to reduce the...
Development of biobased, sustainable and environmentally friendly glycerol ester rosins for the production of thermoplastic road marking paint
08/07/2024 - Introduction of ESO into UV curable epoxy?acrylate IPNsAbstractThis work aims to study the effect of epoxidized soybean oil (ESO) concentration on the process of formation and characteristics of...
Heat exchange and damage of carbon black?filled styrene?butadiene rubber under uniaxial cyclic loading
09/07/2024 - Exploring green alternatives, this study assesses the life cycle environmental impacts of Luffa cylindrica?reinforced epoxy composites. Notably, the 50% chemically treated Luffa cylindrica composite...
Polyacrylate epoxide oligomers with robust photo?crosslinked and thermomechanical properties enabled by controlling copolymerizing molecular weight distribution
09/07/2024 - The schematic diagram of the curing process and main properties of intrinsic flame?retardant epoxy resin.AbstractIn light of growing environmental apprehensions, the threat of global warming, and the...
The effects of flow rate on impedance measurements of marine coatings using a rotating cylinder electrode
09/07/2024 - AbstractThe vertical axis turbine used in the maritime energy sector must rotate and deal with turbulent flows in order to generate electricity. Structural failures and operational problems like...
A Comparative Study of Impact Fracture Toughness of Epoxidized Poly(1, 4 Cis?Isoprene) Compatibilized PLA Binary and Ternary Blends
05/07/2024 - A comparison was made between liquid?epoxidized natural rubber (LENR) with liquid NR (LNR) without epoxidation, both prepared in binary and ternary mixture systems including poly(lactic acid) (PLA)...
Adsorptive removal of phosphate from aqueous solutions using FeCl3?immobilized melamine?formaldehyde?urea resin
07/07/2024 - Experimental procedure and mechanism diagram of antifreeze gel electrolyte.AbstractFlexible wearable supercapacitors based on hydrogel electrolyte are considered as flexible energy storage device...
Energy characteristics and damage constitutive model of pre?cracked granite with or without filling materials
01/07/2024 - In order to study the effects of pre?crack inclination angle and filling material on granite, uniaxial compression tests were performed on pre?cracked granite specimens without filling material and...
Research on the Crashworthiness of Composite Foam Gradient-Reinforced Carbon Fiber Tubes
02/07/2024 - Due to the excellent energy-absorbing properties of the tubular structures, they are commonly used as energy-absorbing elements. In this paper, two types of hollow glass microspheres (HGMs) are...
Eco-friendly Indigo Dyeing of 3D-Printed Thermoplastic Polyurethane Material Using Glucose and Calcium Hydroxide
02/07/2024 - In this research, natural dyeing studies were conducted using indigo, and dyeability was compared using sodium hydroxide, calcium hydroxide, and calcium carbonate as bases. As a reducing agent,...
Deep eutectic solvent engineered GO/ZrO2 nanofiller for mixed matrix membranes: An efficient hydrogen gas separation
03/07/2024 - The self?healing polyurethane (PUGI?D3B2) constructed by two chain extenders selected in this study has excellent mechanical strength (15.34?MPa), good toughness (81.95?MJ?m?3), and its surface...
Effects of chain extender types and contents on the properties of modified recycled polyethylene terephthalate
03/07/2024 - The synthesis and properties of RPUF?P and RPUF?PPOA.AbstractTwo types of bio?based RPUFs (RPUF?P and RPUF?PPOA) were prepared that contained ethanol?modified polyols (Polyol?E) and one contained an...
Application of Stemphylium lycopersici Extracts Immobilized on MCM?48type Mesoporous Materials as Biocatalysts for Monoacylglycerol Production
27/06/2024 - Monoacylglycerols are eco?friendly and inexpensive emulsifiers with a range of applications. The traditional synthetic route is not eco?friendly, while enzymatic catalysis offers milder reaction...
In situ epoxidation of oleic acid with applied natural zeolite as a catalyst
27/06/2024 - In recent years, there has been a growing demand for environmentally friendly epoxides made from vegetable oils. Therefore, the use of materials from renewable resources, was implemented in this...
Evaluation of operational process parameters of polylactic acid filament extruder by quality and dynamic?mechanical analysis measurements: A comparative study and classification
27/06/2024 - The dynamic nature of the double?cross?linking network endows polyurethane with excellent mechanical properties, outstanding room?temperature self?healing ability, and favorable recyclability. The...
Strong Adhesion of Electroless Plated Copper by Optimizing Lamination Temperature of Epoxy Composite Film for Advanced Chip Packaging Substrates
25/06/2024 - Semi?additive Process (SAP) is a pivotal technique for fabricating integrated circuit (IC) packaging substrates, achieving fine line/space resolution below 20 ?m. The adhesion strength between the...