Materiales

Materiales

Enhanced electromechanical properties of natural rubber via the synergistic effect of poly(catechol/polyamine) modification and Ag deposition on TiO2 nanoparticles
15/06/2022 - Owing to their fast response, high efficiency, and large deformation, dielectric elastomer actuators (DEAs) are promising candidates for application in the fields of artificial muscles, sensors,...
Preparation, characterization, and application of hollow nano?TiO2@modified graphene/fluorinated copolymer nanocomposite leather finishing agents
23/05/2022 - Incorporation of jojoba seed meal powder (JSMP) into silica?filled NBR composites endowed the resulting composites (G1, G2, G3, G4, & G5) with a high resistance to thermal aging compared to that...
Degradation of polylactic acid and polylactic acid/natural rubber blown films in aquatic environment
25/05/2022 - Abstract This research investigated the degradation of polylactic acid (PLA) and polylactic acid/natural rubber (PLA/NR) films submerged in water by focusing on the effect of...
Parameters Identification of Rubber-like Hyperelastic Material Based on General Regression Neural Network
25/05/2022 - In this study, we present a systematic scheme to identify the material parameters in constitutive model of hyperelastic materials such as rubber. This approach is proposed based on the combined use...
Liquid Silicone Rubber Foamed with Thermoplastic Expandable Microspheres
25/05/2022 - To reduce the material costs as well as the density of Liquid Silicone Rubber (LSR), LSR foams can be produced in an injection molding process. Expandable thermoplastic microspheres can be used as...
Fabrication of Bipolar Plates from Thermoplastic Elastomer Composites for Vanadium Redox Flow Battery
25/05/2022 - A vanadium redox flow battery (VRFB) is a promising large-scale energy storage device, due to its safety, durability, and scalability. The utilization of bipolar plates (BPs), made of thermoplastic...
Machine learning algorithms for rapid estimation of holocellulose content of poplar clones based on Raman spectroscopy
- In this study, regularization algorithms (RR, LR, and ENR), classical ML algorithms (SVR, DT, and RF), and advanced GBM algorithms (LightGBM, CatBoost, and XGBoost) were applied to build the...
O- and F-doped porous carbon bifunctional catalyst derived from polyvinylidene fluoride for sulfamerazine removal in the metal-free electro-Fenton process
01/09/2022 - Heteroatom-doped carbon materials can effectively activate H2O2 into •OH during the metal-free electro-Fenton (EF) process. However, information on bifunctional catalysts for the simultaneous...
Fatigue Analysis and Defect Size Evaluation of Filled NBR including Temperature Influence
24/05/2022 - The fatigue behavior of a filled non-crystallizing elastomer was investigated on axisymmetric dumbbell specimens. By plotting relevant Wöhler curves, a power law behavior was found. In...
Improvement in Durability and Mechanical Performance of Concrete Exposed to Aggressive Environments by Using Polymer
24/05/2022 - Concrete is the most widely used construction material. However, it cannot sustain the harsh environment and can easily deteriorate. It results in repair and reworks that amount to a considerable...
Influence of Foam Morphology on Flow and Heat Transport in a Random Packed Bed with Metallic Foam Pellets—An Investigation Using CFD
24/05/2022 - Open-cell metallic foams used as catalyst supports exhibit excellent transport properties. In this work, a unique application of metallic foam, as pelletized catalyst in a packed bed reactor, is...
Synthesis and Study of Physical and Mechanical Properties of Urethane-Containing Elastomers Based on Epoxyurethane Oligomers with Controlled Crystallinity
24/05/2022 - The influence of the molecular weight of oligoamine, oligoether, and the type of diisocyanate on the physical and mechanical properties of elastomers with urethane hydroxyl hard segments was studied....
Potential of Rapid Tooling in Rapid Heat Cycle Molding: A Review
23/05/2022 - Rapid tooling (RT) and additive manufacturing (AM) are currently being used in several parts of industry, particularly in the development of new products. The demand for timely deliveries of low-cost...
Experimental Study on the Characterization of Orientation of Polyester Short Fibers in Rubber Composites by an X-ray Three-Dimensional Microscope
23/05/2022 - Polyester-short-fiber-reinforced rubber composites have been detected by an X-ray three-dimensional microscope, and then the three-dimensional reconstruction of the image has been carried out to...
Physical Properties of Slide-Ring Material Reinforced Ethylene Propylene Diene Rubber Composites
23/05/2022 - High-damping rubber composites were prepared by mixing ethylene propylene diene monomer rubber (EPDM) with slide-ring (SR) materials using a two-roll mill, followed by a compression molding...
Influence of the Polarity of the Plasticizer on the Mechanical Stability of the Filler Network by Simultaneous Mechanical and Dielectric Analysis
23/05/2022 - Four styrene butadiene rubber (SBR) compounds were prepared to investigate the influence of the plasticizer polarity on the mechanical stability of the filler network using simultaneous mechanical...
Micro-structured and self-assembled patterns in PLA-cast films as a function of CTAB content, magnesium and substratum hydrophobicity
- The fabrication of biomaterials with structured surfaces for medical purposes is a topic of great interest. Producing topographies with certain characteristics can benefit tissue formation and/or...
Constructing heat conduction path and flexible support skeleton for PEG-based phase change composites through salt template method
28/07/2022 - Phase change materials (PCMs) have been widely applied to various occasions for their merit of constant temperature during energy storage process. However, the risks of leakage, low thermal...
CO2 conversion to syngas via electrification of endothermal reactors: Process design and environmental impact analysis
01/08/2022 - CO2 utilization via reverse water gas shift (rWGS) reaction has been proposed as a path to the sustainable utilization. This work presents a detailed process modelling study where steam methane...
Preparation and performance for CO2 adsorption of large?scale microporous fiber membrane based on electrostatic spinning technology
21/05/2022 - AbstractThe effect of carbon nanotube location and dispersed phase on the dielectric properties of nanocomposites with carbon nanotubes (CNTs) and polypropylene/high?density polyethylene (PP/HDPE)...
Reducing dynamic heat build?up of styrene butadiene rubber/carbon black by filling aramid pulp coated with natural rubber latex
20/05/2022 - AbstractThis work studied the effects of tackifiers on the impact energy absorption properties of block copolymers (BCPs) comprising poly(styrene)?b?poly(isoprene)?b?poly(styrene) (SIS) and...