Bioplásticos
Bioplásticos
Water-Floating Hydrogel Polymer Microsphere Composites for Application in Hydrological Mining of Cu(II) Ions
22/09/2023 -
Innovative materials and technologies capable of extraction and recovery of technologically relevant metal ions from various water sources, such as lakes, oceans, ponds, or wastewater reservoirs, are...
Polyvinyl alcohol composite gel membrane modified by natural polysaccharide and waterborne polyurethane
21/09/2023 -
A new gel material consisting of a viscous liquid is prepared, which can be coated on the surface of an object to form a transparent gel film by the evaporation of the solvent. Using SA and CMC?Na as...
GO-enhanced PVA mixed matrix membranes for dehydration of alcohol/water mixture via pervaporation
20/09/2023 -
Abstract Graphene oxide (GO)—polyvinyl alcohol (PVA) mixed matrix membranes (MMMs) were prepared on the surface of polysulfone (PSF) ultrafiltration basement membrane by the...
The Influence of Polyvinyl Alcohol Porogen Addition on the Nanostructural Characteristics of Hydroxyapatite
20/09/2023 -
Hydroxyapatite (HA) is a porous material widely developed in various research fields because of its high biodegradability, biocompatibility, and low toxicity. In this research, HA was synthesized...
Electrospun PVA Fibers for Drug Delivery: A Review
20/09/2023 -
Innovation in biomedical science is always a field of interest for researchers. Drug delivery, being one of the key areas of biomedical science, has gained considerable significance. The utilization...
Understanding the LiOH effect on PVA membranes from an experimental vision and a density functional theory study
14/09/2023 -
Abstract In this work, the effect of lithium hydroxide (LiOH) amalgamation on the properties of polyvinyl alcohol thermoplastic membranes, obtained by the solvent casting method,...
Quantitatively evaluation of the hydrogen bonding effects on the thermal properties of poly(vinyl alcohol)/tea polyphenols composites
15/09/2023 -
Abstract The effects of the hydrogen, H, bonding on the thermal properties of poly(vinyl alcohol), PVA,/tea polyphenols, TP, composites have been quantitatively evaluate....
Enhanced Mechanical Properties of PVA Hydrogel by Low-Temperature Segment Self-Assembly vs. Freeze–Thaw Cycles
15/09/2023 -
The rapid and effective fabrication of polyvinyl alcohol (PVA) hydrogels with good mechanical properties is of great significance yet remains a huge challenge. The preparation of PVA hydrogels via...
Amphibious Polymer Materials with High Strength And Superb Toughness in Various Aquatic And Atmospheric Environments
08/09/2023 -
Herein, we report the fabrication of amphibious polymer materials with outstanding mechanical performances, both underwater and in the air. A polyvinyl alcohol/poly(2?methoxyethylacrylate) (PVA/PMEA)...
Polymeric curcumin nanospheres for lysozyme aggregation inhibition, antibacterial, and wound healing applications
09/09/2023 -
The present study reports highly stable polymeric nanoparticles comprising curcumin and polyvinylpyrrolidone, and then conjugated with gold nanoparticles, resulting in C-PVP and C-PVP-Au,...
Preparation and Properties of Water-Resistant Antibacterial Curcumin/Silver Composite Nanofiber
08/09/2023 -
The water-resistant antibacterial PVA nanofibers containing curcumin (Cur) and silver nanoparticles (AgNPs) were prepared by electrospinning, and the AgNps were prepared by in situ reduction in...
Immobilization of BoPAL3 Phenylalanine Ammonia-Lyase on Electrospun Nanofibrous Membranes of Polyvinyl Alcohol/Nylon 6/Chitosan Crosslinked with Dextran Polyaldehyde
08/09/2023 -
Phenylalanine ammonia-lyase (PAL, EC 4.3.1.24) is common in plants and catalyzes the formation of trans-cinnamic acid and ammonia via phenylalanine deamination. Recombinant Bambusa oldhamii BoPAL3...
Influence of Thermal Treatment and Acetic Acid Concentration on the Electroactive Properties of Chitosan/PVA-Based Micro- and Nanofibers
10/09/2023 -
This study presents, for the first time, a comprehensive investigation of the influence of pre- and post-fabrication parameters for the electroactive properties of electrospun chitosan/PVA-based...
Preparation and characterization of novel boron containing nanocomposites with neutron radiation shielding properties
08/09/2023 -
Summary of preparation processes of PVA/PVP/PEO?B4C and PVA/PVP/PEO?BN nanocompositesPVA/PEO/PVP?B4C and PVA/PEO/PVP?BN polymer nanocomposites were prepared using boron nitrite (BN), boron carbide...
High sensitive, stretchable and weavable fiber-based PVA/WPU/MXene materials prepared by wet spinning for strain sensors
04/09/2023 -
Abstract With the advent of an ageing society, wearable strain sensors have great prospects for applications in artificial intelligence, motion detection and healthcare, and have...
Facile fabrication and characterization of novel polyvinyl alcohol/polyethylene glycol/aluminum nitride nanocomposites
04/09/2023 -
This work focuses on the fabrication and characterization of novel polyvinyl alcohol/polyethylene glycol/aluminum nitride nanocomposites.In the current study, novel polyvinyl alcohol?based films with...
Structural, mechanical, and thermal features of PVA/starch/graphene oxide nanocomposite enriched with WO3 as gamma–ray radiation shielding materials for medical applications
06/09/2023 -
PVA/ starch/ GO nanocomposites filled with different tungsten oxide loading prepared via drop casting method for low energy gamma ray attenuation.Polyvinyl alcohol (PVA)/starch/graphene oxide...
Click chemistry?based azide?substituted polysulfone/alkynyl?substituted sulfonated polyvinyl alcohol/nafion blend membranes for direct methanol fuel cells
31/08/2023 -
At present, commercial Nafion membrane is not suitable for proton exchange membrane used in direct methanol fuel cell (DMFC) due to the severe methanol permeation phenomenon. This work reported the...
Effect of Different Fibers on Shrinkage Properties and Bonding Properties of Geopolymer Mortar Repair Materials and Analysis of the Mechanism
03/09/2023 -
The geopolymer uses fly ash, slag, and other solid wastes as raw materials and is widely used in building repair, but it is brittle and can be made tougher by incorporating fibers. In this study,...
Step?nucleation in Situ Self?Repair to Prepare Rollable Large?Area Ultrathin Mof Membranes
29/08/2023 -
Ultrathin membranes with ultrahigh permeance and good gas selectivity have the potential to greatly decrease separation process costs, but it requires the practical preparation of large area...
Interfacial interaction of graphene oxide with montmorillonite in tailoring the structure and proton transport phenomena of alginate/PVA membrane for DMFC applications
29/08/2023 -
Schematic illustration of the preparation of PE/PDA separator PE/PDA/ANFs separators.AbstractHerein, we report a modified polyethylene (PE) separators via in situ polymerization of polydopamine (PDA)...
