Materiales

 

Materiales

Intrinsically Noncombustible Thermosets from Sulfur?Containing Epoxy Resin and Benzoxazines: Evaluation of Thermal and Mechanical Properties
02/08/2023 - Benzoxazine (BZ)?epoxy copolymers exhibit favorable mechanical properties, but their thermal and flame?retardant characteristics are impaired at high epoxy fractions. Here, we report a new type of...
Mechanical Interlocking Approaches to the Prediction of Mechanical and Tribological Behavior of Natural Fiber?Reinforced Polymer Hybrid Nanocomposites or Automotive Applications
02/08/2023 - Polymer matrix composites synthesized with biodegradable natural fiber obtain a predominant structure with specific properties at a low?processing cost. The unique characteristics of polymer matrix...
Preparation of Chiral Epoxy Resins and the Optically Active Cured Products
14/10/2023 - Chirality is one of the most common and significant phenomenon in nature, and epoxy resin is one of the most widely used and researched thermosetting resins, however the influences of chiral carbon...
Influences of Nanosilica Particles on Density, Mechanical, and Tribological Properties of Sisal/Hemp Hybrid Nanocomposite
15/05/2023 - Focusing on natural fibers are the prominent substitution for synthetic fiber and reinforced into polymer matrices found unique properties such as lightweight, cost?effectiveness, and good mechanical...
Influence of Unzipped Multiwalled Carbon Nanotube Oxides?Epoxy Paint on the Corrosion Rate of Mild Steel in Marine Environment
22/05/2024 - The UMCNO dispersed epoxy resin paint matrix was coated on the surface of mild steel to enhance its corrosion resistance in a marine environment. The correlation of various operating factors with...
Epoxy?Based Carbon Fiber?Reinforced Plastics Recycling via Solvolysis with Non?Oxidizing Methanesulfonic Acid
22/05/2024 - The production of epoxy resin samples with proprietary composition is described. Recycling composites were formed by vacuum?infusing resin into a fabric, followed by curing. Recycling involved...
Broadening the coating applications of sustainable materials by reinforcing epoxidized corn oil with single-walled carbon nanotubes
22/05/2024 - In the global context of environmental awareness, the present research proposes a sustainable alternative to the widely used petroleum-based epoxy coatings. Epoxidized corn oil (ECO) was tested as...
Evaluation of Acoustic and Structural Behavior of Banana Fiber Reinforced Polymer Composites
22/05/2024 - In recent times, there has been a growing interest in the production of environmentally friendly materials. One area of focus is the use of polymer composites reinforced with natural fibres to...
Diaminodiphenylmethane modified zirconium phosphate: A new strategy for trace addition to improve flame retardancy, smoke inhibition, and compatibility of epoxy resins
20/05/2024 - Mechanism of film formation and extinction.AbstractA green method to synthesize self?matting waterborne polyurethane acrylic hybrid emulsion with hydrophobic function is introduced in this study. A...
Tuning the mechanical and thermoelectric properties of self?standing stretchable PEDOT:PSS/SDBS films
18/05/2024 - Epoxy vitrimer materials based on imine bondsAbstractVitrimer materials have machinability and stability because of their shape remodeling and self?healing properties at high temperatures. This...
A novel and biocompatible photopolymerizable resin based on cyclohexanedimethanol?dimetacrylate designed to light?print microneedles
20/05/2024 - This work presents a sustainable polyurethane?acrylate prepolymer (NIPUA) efficiently derived from palm olein without the use of isocyanates, under atmospheric conditions. The NIPUA is served as a...
Polyurethane nanofibers incorporated magnesium hydroxide followed by hydrothermal treatment using chitosan and silver nanoparticles to improve the biological properties
22/05/2024 - Aramid pulps treated with ionic liquids and the main viscoelastic response for the composites.AbstractThree ethanolic solutions containing different imidazolium ionic liquids (IL), namely...
Uncommon Epoxyquinols  Pyrrolocytosporin A and cytosporin E2from the Fungus Eutypella sp. D?1
17/05/2024 - Two uncommon epoxyquinols, pyrrolocytosporin A (1) and cytosporin E2 (2), along with the known cytosporin Y1 (3), were isolated from the solid defined medium of the Arctic?derived fungus Eutypella...
Facile and efficient fabrication of carbon nanotube reinforced epoxy vitrimers through dynamic crosslinking
15/05/2024 - 3D printing of composite gel with temperature regulating liquid tank.Abstract3D?printed food exhibits unique advantages in precision nutrition food and personalized customization, achieving disease...
A novel starch?based composite hydrogel enhanced by activated charcoal from the banana peel for water decontamination
19/05/2024 - A novel flame retardant named ZrP?DDM was applied to improve the fire safety and compatibility of epoxy resinsAbstractHigh?efficient flame retardants (ZrP?DDM) were synthesized successfully via...
Preparation and self?healing properties of epoxy vitrimer materials based on imine bonds
18/05/2024 - Shieding properties of iron/ natural rubber composites.AbstractA comparative study was conducted to investigate the gamma and neutron radiation shielding properties of composites made from iron metal...
Polyimide nanocomposites for high?temperature capacitive energy storage applications by incorporating functional graphene oxide nanosheets: Design, preparation, and mechanism
15/05/2024 - Fabrication process of EVD/CNT epoxy vitrimers by dynamic crosslinking.AbstractCarbon nanotubes (CNT) is an ideal candidate for reinforced epoxy vitrimer composites, however, achieving a desirable...
High?Entropy Lanthanide?Organic Framework as an Efficient Heterogeneous Catalyst for Cycloaddition of CO2 with Epoxides and Knoevenagel Condensation
10/05/2024 - Multimetallic synergistic effects have the potential to improve CO2 cycloesterification and Knoevenagel reaction processes, outperforming monometallic MOFs. The results demonstrate superior...
CO2?Free Ethylene Oxide Production via Liquid?Phase Epoxidation with Fe2O3/MSM Catalyst
07/05/2024 - Ethylene Oxide (EO) Production via CO2?Free Liquid?Phase Epoxidation: Synthesis of Fe2O3/MSM Catalyst and Optimization of Process Parameters. Fe2O3/MSM catalyst, synthesized hydrothermally, enables...
Experimental investigations on the fatigue behavior of hybrid basalt/glass fiber epoxy composites
08/05/2024 - To expand the applications of hybrid fiber composites in structural engineering applications, it is essential to study their fatigue behavior. The tensile and fatigue performance of unidirectional...
Epoxy Resins with Controllable "Thermally Conductive?Self?Healing" Synergies: a New Material to Meet the Needs of Flexible Electronic Devices
04/05/2024 - With the popularization of 5G technology and artificial intelligence, thermally conductive epoxies with self?healing ability will be widely used in flexible electronic materials. Although many...