Materiales avanzados

 

Materiales avanzados

Calcium hydroxyapatite powders functionalized with xanthan gum and pectin biopolymers: synthesis, characterization and adsorption efficiency toward methylene blue
20/11/2024 - Calcium hydroxyapatite pectin and calcium hydroxyapatite xanthan gum were prepared and characterized using chemical analysis, XRD, IR analysis, specific surface area, TGA and SEM. The adsorption...
Poly(Lactic Acid): Recent Stereochemical Advances and New Materials Engineering
17/11/2024 - Poly(lactic acid) (PLA) is a representative biobased and biodegradable polyester among sustainable materials. This review covers the basic structural variety of PLA, current states of...
Iron and Zinc Metallates Supported on Ion Exchange Resins: Synergistic Catalysts for the Solvent?Free Cyclic Carbonate Synthesis from Epoxides and CO2
13/11/2024 - IER supported ferrates and zincates for the effective CO2 cycloaddition to epoxides to yield cyclic carbonates are reported. A synergistic effect between the support and the metal catalyst was found...
An updated review on the modifications, recycling, polymerization, and applications of polymethyl methacrylate (PMMA)
11/11/2024 - Abstract The constraints of pure PMMA have made the cross-linkage of polymethyl methacrylate (PMMA) an interesting issue to meet application requirements. Cross-linked PMMA offers...
Synthesis of Amorphous Cellulose Derivatives via Michael Addition to Hydroxyalkyl Acrylates for Thermoplastic Film Applications
11/11/2024 - The aim of this study is to prepare new cellulose derivatives that show good feasibility and processability. Accordingly, in this study, we demonstrate Michael addition to hydroxyalkyl acrylates,...
A novel thermoplastic material: Pre?polymerized PMMA liquid resin and continuous glass fiber?reinforced composite initiated by benzoyl peroxide/N,N?dimethylaniline
07/11/2024 - The oxidative reduced bulk polymerization system of MMA with BPO/DMA as composite initiator was used to study the effects of the ratio of BPO to DMA and the amount of overall initiator on the...
On the Effect of Fibre Orientation and MWCNTs on the Strain?Sensing Performance of TPU/PANI Electrospun Nanofibres
08/11/2024 - ABSTRACTThe increasing demand for flexible electromechanical devices with superior stretchability, durability, thermal stability and sensitivity has driven the development of new smart functional...
Achieving optimum balance between mechanical properties and gloss of acrylonitrile–styrene–acrylate resin through control of rubber particle size distribution
04/11/2024 - The optimum balance between mechanical properties and gloss of acrylonitrile–styrene–acrylate resin by controlling poly(n?butyl acrylate) particle size.Preparation of...
Biomimetic Structural Hydrogels Reinforced by Gradient Twisted Plywood Architectures
01/11/2024 - Inspired by the structural design of natural structural hydrogels in crustacean exoskeletons, this work presents a synergistic approach for constructing hierarchical structural hydrogels with...
Synthesis of Stearyl Alcohol/Polyethylene Glycol Hybrids as Water-Repellent Finishes for Cotton/Polyester Blended Fabric
29/10/2024 - Nowadays, developing and innovation of new finishing agents that are cost effective, efficient, durable, and safe for the consumer as well as the environment are greatly required by the textile...
Pea Albumin Alleviates Oleic Acid-Induced Lipid Accumulation in LO2 Cells Through Modulating Lipid Metabolism and Fatty Acid Oxidation Pathways
30/10/2024 - Excessive lipid accumulation in the liver can cause NAFLD, leading to chronic liver injury. To relieve liver lipid accumulation by dietary proteins, this study used oleic acid (OA) induction to...
Influence of Chemical, Morphological, Spectroscopic and Calorimetric Properties of Agroindustrial Cellulose Wastes on Drainage Behavior in Stone Mastic Asphalt Mixtures
30/10/2024 - New asphalt mixtures have been improved by using fibers (polypropylene, polyester, asbestos, carbon, glass, nylon, lignin, coconut, sisal, recycled rubber, PET, wood, bamboo, and cellulose), reducing...
Phototuning of Multi-Color Emission in PMMA Composite Films for Information Encryption Applications
25/10/2024 - A strategy centered on dynamically tunable excited-state proton transfer (ESPT) processes is proposed for the design and synthesis of luminescent compounds. An emitter based on guanidine-substituted...
Synthesis Properties and Neutron Attenuation of New Geopolymers Containing Si, O, Na and Al: Role of Pb Addition
01/11/2024 - Lead (II) oxide (PbO) has shown high prospect in modifying mechanical, physical, neutron and charge particle interaction properties of geopolymer due to high bonding matrix. In this study, the...
Enhancing the thermal conductivity of epoxy molding compounds by adding SiO2-embedded carbon nanofibers for semiconductor packaging applications
23/10/2024 - This study presents the synthesis of silica-embedded carbon nanofibers (SiO2/eCNFs) as additives to enhance the heat dissipation properties of epoxy molding compounds (EMCs) for semiconductor...
Synthesis of Highly Porous Graphene Oxide–PEI Foams for Enhanced Sound Absorption in High-Frequency Regime
24/10/2024 - High-frequency noise exceeding 1 kHz has emerged as a pressing public health issue in industrial and occupational settings. In response to this challenge, the present study explores the development...
AI-Driven Insight into Polycarbonate Synthesis from CO2: Database Construction and Beyond
19/10/2024 - Recent advancements in materials science have garnered significant attention within the research community. Over the past decade, substantial efforts have been directed towards the exploration of...
Covalent Pectin/Arabinoxylan Hydrogels: Rheological and Microstructural Characterization
20/10/2024 - This research aimed to evaluate the gelation process of ferulated pectin (FP) and ferulated arabinoxylan (AXF) in a new mixed hydrogel and determine its microstructural characteristics. FP from sugar...
Synthesis and Durable Antimicrobial and Anti-fungal Properties of Triclosan and Chitosan Co-grafted Polypropylene Nonwovens
13/10/2024 - Polypropylene (PP) nonwovens have been widely used in disposable protective masks and protective clothing, which are essential to protect healthcare workers from highly infectious diseases such as...
Hydrophobic association hydrogel with toughness, high stretch, and sensitivity for flexible sensing
12/10/2024 - Particle dispersion assessment of the EVOH composite films with NC, MCC, SiO2 and CNC, and subsequent production of multilayer films, with an EVOH inner layer (or EVOH with NC or MCC incorporation)...