Economía Circular
Economía Circular
Synthetic approaches and applications of an underprivileged 1,2,5?oxadiazole moiety: A review
05/06/2023 -
Synthetic approaches and applications of 1,2,5?oxadiazole.1,2,5?oxadiazole belongs to five?membered heterocyclic compounds with two nitrogen and one oxygen atom. In comparison with other heterocyclic...
In?situ growth of SiC wires on CVI densification of SiC foam
07/06/2023 -
Silicon Carbide (SiC) foam, prepared by polymer infiltration and pyrolysis (PIP) process was further densified with ??SiC by Chemical Vapour Infiltration (CVI) technique. SEM and HRTEM images...
Accelerated aging behavior and degradation mechanism of nitrile rubber in thermal air and hydraulic oil environments
07/06/2023 -
Aging and properties of NBR.The aging behavior and degradation mechanism of nitrile rubber (NBR) under free and compression states were investigated in simulated air and hydraulic oil environments at...
Influence of Molecular Characteristics and Size Effects in Polystyrene Pyrolysis
01/06/2023 -
We investigate the influence of molecular weight distribution, material size effect and thermal rates on the overall pyrolysis kinetics of polystyrene. The minimum thermal energy necessary for...
Systematic evaluation of a sustainable plasticizer derived from coconut shell bio-waste in a reinforced styrene butadiene copolymer system
02/06/2023 -
Abstract The utilization of copiously available bio-waste significantly contributes to sustainable development and solid waste management. In the present study, the pyrolytic...
Biochar Effects on Ce Leaching and Plant Uptake in Lepidium sativum L. Grown on a Ceria Nanoparticle Spiked Soil
05/06/2023 -
The increasing use of nanoparticles is causing a threat to the environment and humans. The aim of this work was to evaluate the effects of the quenching procedure of biochar production on the biochar...
Structural Evolution of Polyaluminocarbosilane during the Polymer–Ceramic Conversion Process
03/06/2023 -
Polyaluminocarbosilane (PACS) is an important precursor for silicon carbide (SiC) fibers and ceramics. The structure of PACS and the oxidative curing, thermal pyrolysis, and sintering effect of Al...
Synthesis and Properties of the Novel High-Performance Hydroxyl-Terminated Liquid Fluoroelastomer
04/06/2023 -
Functional liquid fluoroelastomers are in high demand in new energy fields. And these materials have potential applications in high-performance sealing materials and as electrode materials. In this...
Innovation Research of Waste Biomass and Petroleum Coke for the Carbothermic Reduction Process of Silica
03/06/2023 -
The study of the reactivity of petroleum coke (PC) carries significance for improving the carbothermal reduction of silica, considering the poor reaction properties of PC, particularly under...
Properties Controlling Phosphorus Adsorption and Stability in Amazonian Agro-Industrial Waste Biochars: a Multivariate Approach
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The application of biochar from agro-industrial residues of the Amazon is a key strategy to optimize the use of phosphorus (P) in agriculture and provide the proper management of these materials. In...
Pyrolysis of raw and film PP/LDPE mixtures by step heating process
01/06/2023 -
Abstract Chemical recycling of is one of the promising ways for waste plastics disposal. In this work, the kinetics and reaction mechanism of polyolefins pyrolysis was studied...
Quantitative In Situ Monitoring of Cu-Atom Release by Cu2O Nanocatalysts under Photocatalytic CO2 Reduction Conditions: New Insights into the Photocorrosion Mechanism
31/05/2023 -
Cu2O is among the most promising photocatalysts for CO2 reduction, however its photocorrosion remains a standalone challenge. Herein, we present an in situ study of the release of Cu ions from Cu2O...
Kinetic and Thermodynamic Study of the Pyrolysis of Plastic Waste
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Plastic has become one of the most commonly used materials, yet it is a major source of pollution of land and aquatic life. The pyrolysis process has been reported to be efficient in converting...
Recent Advances in Porous Carbon Materials as Electrodes for Supercapacitors
26/05/2023 -
Porous carbon materials have demonstrated exceptional performance in various energy and environment-related applications. Recently, research on supercapacitors has been steadily increasing, and...
Kinetic Monte Carlo Convergence Demands for Thermochemical Recycling Kinetics of Vinyl Polymers with Dominant Depropagation
26/05/2023 -
As societal interest in recycling of plastics increases, modeling thermochemical recycling of vinyl polymers, e.g., via pyrolysis or reactive extrusion, becomes increasingly important. A key aspect...
Fabrication of SiC ultrafine fiber with low oxygen content by electrospinning, thermal curing and pyrolysis of cyano-polycarbosilane
26/05/2023 -
The thermal stability of the SiC ultrafine fibers is affected due to the large amounts of oxygen introduced during the oxidative curing process. In this work, cyano-polycarbosilane (PCSCN) and...
Bimetallic 3D hollow-nanoshell FeCo-oxynitride/N and S co-doped carbon nanotubes as a robust bifunctional oxygen electrocatalyst for rechargeable Zn-air batteries
24/05/2023 -
Abstract Herein, a novel 3D hierarchically hollow-shell porous structure of iron cobalt oxynitride anchored nitrogen and sulfur-doped bamboo-like carbon nanotubes (FeCo2ON/NSCNTs)...
Flame Retardancy Index (FRI) for Polymer Materials Ranking
23/05/2023 -
In 2019, we introduced Flame Retardancy Index (FRI) as a universal dimensionless index for the classification of flame-retardant polymer materials (Polymers, 2019, 11(3), 407). FRI simply takes the...
Insights into Anthropogenic Micro- and Nanoplastic Accumulation in Drinking Water Sources and Their Potential Effects on Human Health
23/05/2023 -
Anthropogenic microplastics (MPs) and nanoplastics (NPs) are ubiquitous pollutants found in aquatic, food, soil and air environments. Recently, drinking water for human consumption has been...
Nanoengineered design of inside?heating hot nanoreactor surrounded by cool environment for selective hydrogenations
19/05/2023 -
Catalysts with designable intelligent nanostructure may potentially drive the changes of chemical reaction techniques. Herein, we designed a multi?function integrating nanocatalyst, Pt?containing...
Synthesis of Ir Catalysts Featuring Amide?functionalized NHC Ligands and Survey of their Activity on Formic Acid Dehydrogenation
19/05/2023 -
A family of Ir catalysts featuring amide?functionalized NHC ligands has been prepared and their reactivity explored. The activity of these complexes has been explored in the dehydrogenation of formic...
