Bioplásticos

 

Bioplásticos

Preparation and characterization of high barrier coating of citric acid crosslinked polyvinyl alcohol and nano-SiO2
09/04/2024 - AbstractPolyvinyl alcohol (PVA) coating has attracted intense attention due to its biodegradability and high gas barrier properties. However, the high gas barrier properties deteriorate at...
Release and Degradation Mechanism of Modified Polyvinyl Alcohol-Based Double-Layer Coated Controlled-Release Phosphate Fertilizer
10/04/2024 - This study aims to improve the slow-release performance of a film material for a controlled-release fertilizer (CRF) while enhancing its biodegradability. A water-based biodegradable polymer material...
Preparation and Characterization of Polyvinyl Alcohol (PVA)/Carbonized Waste Rubber Biocomposite Films
11/04/2024 - The technological properties of composite materials (thermal, strength, rheology, electrical and morphology) are very important parameters for high-performance applications. In this study, we aimed...
Enhancing Polyvinyl Alcohol Nanocomposites with Carboxy-Functionalized Graphene: An In-Depth Analysis of Mechanical, Barrier, Electrical, Antibacterial, and Chemical Properties
11/04/2024 - To enhance the various properties of polyvinyl alcohol (PVA), varying concentrations of carboxy-functionalized graphene (CFG) were employed in the preparation of CFG/PVA nanocomposite films. FTIR and...
Boosting of Structural, Optical, and Dielectric Characteristics of PVA Polymer Using CoO-SiO2 Nanoparticles for Advanced Optoelectronic Applications
08/04/2024 - The goal of this research is to improve the silicon dioxide (SiO2), cobalt oxide (CoO), and polyvinyl alcohol (PVA) nanostructures' structural, optical, and dielectric properties. The casting...
Antibacterial wound dressing with cross?linked electrospun surface from reduced graphene oxide doped polyvinyl alcohol/sodium caseinate blends
05/04/2024 - In this study, a new biomaterial with polyvinyl alcohol (PVA)/sodium caseinate (SodCa)/reduced graphene oxide (rGO) structure was developed. Antibacterial effective nanofibers were successfully...
Structure and properties of polyvinyl alcohol (PVA)/Al2O3 antifogging coating with self-healing performance
05/04/2024 - AbstractCondensation of fog droplets on polyethylene (PE) films significantly impairs light transmission of the film. This study introduces a PVA/Al2O3 antifogging coating, applied to PE films...
Advances in Genetic Enhancement of Nutritional Quality of Tropical Maize in West and Central Africa
05/04/2024 - Micron3 nutrient deficiencies are pervasive in the diets of millions of people in developing countries, calling for effective mitigation measures. The development of biofortified cultivars through...
Performance and Durability of Paints for the Conservation of Historic Façades
05/04/2024 - This paper analyzes the performance of various types of paints available in the Brazilian market, including PVA, matte acrylic, silicate, and lime paints within the context of their applicability to...
Exploring the efficacy of various essential oils in chitosan?based composite biopolymer films for food packaging
04/04/2024 - To ensure food and environmental safety, biodegradable packaging materials from various natural polymers are being used to preserve the high quality of foods and to increase their shelf life in...
Design, characterization, and performance evaluation of novel PVA/CS/CNF/MOP TN ionic conductive hydrogels for flexible sensors
02/04/2024 - Flexible hydrogel polymers with excellent stretchability, high conductivity, and biocompatibility are widely used to prepare flexible sensing devices. However, it remains difficult to simultaneously...
Fabrication of a PLA/PVA-BIO-HA Polymeric Membrane by the Electrospinning Technique
03/04/2024 - In the present work, the fabrication of a membrane composed of polylactic acid (PLA), polyvinyl alcohol (PVA), and Biological Hydroxyapatite (BIO-HA) is reported using the coaxial electrospinning...
A Novel Method to Enhance the Mechanical Properties of Polyacrylonitrile Nanofiber Mats: An Experimental and Numerical Investigation
04/04/2024 - This study addresses the challenge of enhancing the transverse mechanical properties of oriented polyacrylonitrile (PAN) nanofibers, which are known for their excellent longitudinal tensile strength,...
A novel ionic liquid-entrapped MIL-101(Cr) framework with enhanced removal efficiency towards phosphate from aqueous solution
01/04/2024 - Developing adsorbent materials with high adsorptive dephosphorization (ADP) is significant for treating phosphate from aqueous solutions and eutrophic water. Herein, the MIL-101(Cr) framework was...
Waterborne polyurethane polymer dispersions using Castor oil and curcumin as bioresources: Synthesis, characterization, and antibacterial textile applications
27/03/2024 - Highly transparent and flame retardant PVA.AbstractIn the present paper, crosslinked polyvinyl alcohol (PVA) membranes with high transparency and excellent flame retardancy were obtained by blending...
Synergistic evolution of stable bioactivity and better mechanical strength in polyvinyl alcohol and sweet lime peel film
29/03/2024 - Abstract The present study discloses the evolution of bioactivity with improved chemical stability in the composite film of polyvinyl alcohol (PVA) and sweet lime peel (SLP)...
MXene/silk fibroin strengthened PVA?based eutectogel with excellent self?healing ability and environmental adaptability: Design, synthesis, and sensing application
28/03/2024 - In order to solve typical problems of instability in a variety of environments, lack of self?healing ability and poor mechanical properties of traditional hydrogel materials, herein, a superelastic...
Effect of alkali?treated Putranjiva roxburghii seed shell filler on physico?chemical, thermal, mechanical, and barrier properties of polyvinyl alcohol?based biofilms
27/03/2024 - Processing and characterization of polyvinyl alcohol?based biofilms.Biopolymers and bio?fillers derived from natural, organic, and abundant resources have garnered more responsiveness owing to their...
Electrospun MoS2-CNTs-PVA/PVA Hybrid Separator for High-Performance Li/FeS2 Batteries
27/03/2024 - As a promising candidate for high-energy-density rechargeable lithium metal batteries, Li/FeS2 batteries still suffer from the large volume change and severe shuttle effect of lithium polysulfides...
Three-Dimensional-Printed GelMA-KerMA Composite Patches as an Innovative Platform for Potential Tissue Engineering of Tympanic Membrane Perforations
23/03/2024 - Tympanic membrane (TM) perforations, primarily induced by middle ear infections, the introduction of foreign objects into the ear, and acoustic trauma, lead to hearing abnormalities and ear...
Simultaneous Formation of Polyhydroxyurethanes and Multicomponent Semi-IPN Hydrogels
22/03/2024 - This study introduces an efficient strategy for synthesizing polyhydroxyurethane-based multicomponent hydrogels with enhanced rheological properties. In a single-step process, 3D materials composed...