Materiales

 

Materiales

Eugenol?derived bio?benzoxazine resins: Synthesis, characterization, and exceptional thermal stability
26/03/2024 - Synthesis of charring agents and flame?retardant mechanisms of coatings.AbstractTo improve the flame retardancy of 3D?printed polypropylene (PP) parts, cyclic triphosphonitrile?based hyperbranched...
High-Volume Resistance Training Improves Double-Poling Peak Oxygen Uptake in Youth Elite Cross-Country Skiers and Biathletes: A Pilot Study
26/03/2024 - A total of nineteen elite youth cross-country skiers (16 ± 2 years) were divided into three groups: a low-load group (LL, n = 6) performing 15–20 repetitions per...
The Mechanical and Self-Sensing Properties of Carbon Fiber- and Polypropylene Fiber-Reinforced Engineered Cementitious Composites Utilizing Environmentally Friendly Glass Aggregate
28/03/2024 - In order to facilitate waste glass recycling and enable the monitoring of concrete structures, this study prepares a new type of self-sensing engineered cementitious composite (ECC) via the use of...
Amplitude Analysis of the ${B}^{0}?{K}^{*0}{?}^{+}{?}^{?}$ Decay
- An amplitude analysis of the B0?K*0?+?? decay is presented using a dataset corresponding to an integrated luminosity of 4.7??fb?1 of pp collision data collected with the LHCb experiment. For the...
Effect of processing conditions on morphology and mechanical damage in glass?reinforced polypropylene composite
27/03/2024 - The dtages of transcrystalline phase formation on fiber surface.This study aims to analyze the effect of processing parameters, particularly the cooling rate, on the morphology and mechanical...
Effect of Sugarcane Bagasse, Softwood, and Cellulose on the Mechanical, Thermal, and Morphological Properties of PP/PE Blend
25/03/2024 - The usage of cellulosic fibers as fillers for thermoplastics has generated great interest due to their numerous advantages and benefits compared to conventional fibers. This article examines a...
Mortars with Polypropylene Fibers Modified with Tannic Acid to Increase Their Adhesion to Cement Matrices
22/03/2024 - The presented research’s main objective was to evaluate the possibility of improving the adhesion between polypropylene fibers and mineral matrices in cementitious composites by...
Comparison of Antioxidants to Increase the Oxidation Stability of Pyrolysis Oils of Three Plastics Using Iodine Value
22/03/2024 - Pyrolysis is an excellent method for recovering mixed and contaminated plastics that are no longer recyclable. Special attention must be paid to the stability of the fuel to avoid the formation of...
Optimisation of Process Parameters to Maximise the Oil Yield from Pyrolysis of Mixed Waste Plastics
22/03/2024 - The study sought to optimise process parameters of thermal pyrolysis of mixed waste plastic (MWP) to maximise pyrolytic oil yield. High-density polyethylene (HDPE), polypropylene (PP), and...
Study on the mechanical properties of ramie fiber/polypropylene composites prepared by hot pressing after the carding machine mixing
23/03/2024 - The production of FRC with modified ramie fibers.A growing variety of composites utilize natural plant fibers with naturally occurring veins structured hierarchically in an effort to reduce...
Exploiting the role of plant growth promoting rhizobacteria in reducing heavy metal toxicity of pepper (Capsicum annuum L.)
21/03/2024 - Microorganisms are cost-effective and eco-friendly alternative methods for removing heavy metals (HM) from contaminated agricultural soils. Therefore, this study aims to identify and characterize...
The preparation of polypropylene microfiber yarns via vortex airflow?assisted melt differential electrospinning
15/03/2024 - The graphical abstract describes the steps in the formation of glass fiber?ferrite?PANI ternary composite and its applications.AbstractThe present study reports the preparation of a ternary composite...
Crystallinity and mechanical properties of polypropylene products foamed by microcellular injection molding process
16/03/2024 - The crosslinking of the PLA/AES blend with dicumyl peroxide in the molten state formed a tough material, suggesting the formation of PLA?g?AES.AbstractAcrylonitrile?EPDM?styrene (AES) was applied as...
Preparation of PBT@PP-CNC@cellulose wood pulp paper double-layers fuel filtration materials with high efficiency and high dust holding capacity
20/03/2024 - Abstract In the engine of heavy trucks, the built-in fuel filter assumes the role of “lungs”. The core of the filter, namely the fuel filter paper, acts as a filter for small...
Performance of Fly-Ash- and Cement-Bound Granular Mixtures with Dispersed Fiber Reinforcement—A Case Study
21/03/2024 - This paper investigates the effects of incorporating dispersed fibrous reinforcement in hydraulically bound granular 0/16-mm mixtures. The evaluated fibrous reinforcement comprised a mixture of...
Green Extraction Strategy Using Bio-Based Aqueous Biphasic Systems for Polyphenol Valorization from Grape By-Product
21/03/2024 - Polyphenols are natural compounds with enhanced antioxidant properties. They are present in relatively high concentrations in fruit/vegetable by-products. Therefore, there is a need for the...
Test Research on Residual Mechanical Properties of Fiber-Reinforced Concrete Segments after High Temperature
20/03/2024 - In order to research the residual mechanical properties of concrete shield tunnel segments after exposure to high temperatures, two types of concrete segments were designed: a self-compacting...
Analysis of Selected Properties of Polymer Mixtures Derived from Virgin and Re-Granulated PP with Glass Fibers
21/03/2024 - The problem of the growing amount of waste polymer materials currently affects virtually every area of the global economy. New actions taken by the E.U. and member states could lead to a reduction in...
Development of a Polypropylene-Based Material with Flame-Retardant Properties for 3D Printing
21/03/2024 - In this study, a nanocomposite based on a heterophasic polypropylene copolymer containing 5 wt% of nanoclays and 3 wt% of compatibilizer was formulated via melt compounding to obtain a material...
Dynamically vulcanized CNC?reinforced thermoplastic elastomer based on PP/EPDM: Morphology and mechanical properties control via interfacial compatibilization
20/03/2024 - Examining various properties of PP/EPDM TPV enhanced with interfacial compatibilizers and cellulose nanocrystals, while establishing correlations between morphology and these properties.In this...
Study on the effect of chain extenders on aliphatic polyurethane and its application
16/03/2024 - Aiming to the complexity of melt flow in microcellular injection molding caused by multiphase intercoupling, this study explores the nonlinear and strong coupling relationship between process...