Bioplásticos

 

Bioplásticos

Properties of biopolymer blends based on Rugulopteryx okamurae and hydrophobic polycaprolactone (PCL) and hydrophilic acylated soy protein isolated (SPIa)
15/05/2024 - The present study explored the utilization of Rugulopteryx okamurae (RO), an invasive brown seaweed, as a renewable raw material for plastic materials based on biopolymer blends. The goal of this...
Characterization of curing status of commercial tire compounds with vein graphite powder and its particle sizes—Experimental and computational study
10/05/2024 - By incorporating Rhamnus prinoides leaf extract to a PCL polymer solution, a nanofibrous structure resembling skin extracellular matrix (ECM) is produced through electrospinning, resulting in a...
Evaluation of the polycaprolactone hydrolytic degradation in acid solvent and its influence on the electrospinning process
02/05/2024 - This study presents a method for the rapid and efficient synthesis of high vinyl 1,2?polybutadiene liquid rubber using butadiene as the monomer and n?butyllithium as the initiator. By applying...
Synthesis of PEGylated amphiphilic block copolymers with pendant linoleic moieties by combining ring?opening polymerization and click chemistry
29/04/2024 - This study focused on synthesizing and characterizing PEGylated amphiphilic block copolymers with pendant linoleic acid (Lin) moieties as an alternative to enhance their potential in drug delivery...
Influence of Programming and Recovery Parameters on Compressive Behaviors of 4D Printed Bio?compatible PVC?PCL Blends
26/04/2024 - This paper introduces a new class of bio?compatible shape memory polymers (SMPs) through blending PVC and PCL. The compressive shape?memory behaviors of 4D?printed SMP PVC with 5 and 10%wt of PCL are...
Development of Anisotropic Electrically Conductive GNP?Reinforced PCL?Collagen Scaffold for Enhanced Neurogenic Differentiation under Electrical Stimulation
25/04/2024 - This study dealt with developing cost?effective electroconductive scaffolds integrating carboxy functionalized graphene nanoplatelets (GNPs) into a Polycaprolactone (PCL)?collagen matrix. Utilizing...
Development of binary and ternary polyester shape memory blends for additive manufacturing
26/04/2024 - Abstract The goal of this work was to create shape memory polymer blends for the additive manufacturing technology of fused filament fabrication. An iterative approach was taken...
Polycaprolactone-Based Composite Electrospun Nanofibers as Hybrid Biomaterial Systems Containing Hydroxyl- or Carboxylic Acid-Functionalized Multiwall Carbon Nanotubes
20/04/2024 - Composite electrospun nanofibers based on polycaprolactone (PCL) have shown promise in various biomedical applications due to their unique properties. This study investigates the effects of...
Direct Jet Co-Electrospinning of Spinal Cord-Mimicking Phantom for Diffusion Magnetic Resonance Imaging
24/04/2024 - (1) Background: Spinal cord injuries and diseases necessitate sophisticated tools for accurate diagnosis and treatment planning. However, the lack of reliable phantoms mimicking the complex structure...
Spin-Coating Fabrication Method of PDMS/NdFeB Composites Using Chitosan/PCL Coating
24/04/2024 - This paper verified the possibility of applying chitosan and/or ferulic acid or polycaprolactone (PCL)-based coatings to polydimethylsiloxane/neodymium–iron–boron...
Polyester networks based on Tulipalin A and ??caprolactone and activation of the Thioether groups by incorporation of trialkylsulfonium salts
21/04/2024 - Linear and star?shaped poly(??caprolactone?co???methylene???butyrolactone) P(CL?co?MBL) copolyesters with a pendant functional double bond of ??methylene???butyrolactone (MBL) comonomer were used as...
Preparation of efficient and eco?friendly solid polymer electrolyte based on anionic polyurethane dispersion, polyethylene oxide, and halloysite nanotube
17/04/2024 - Providing a new pathway for conducting lithium ions in the composition electrolyte by Halloysite nanotube for high?voltage lithium metal batteries.With the ever?increasing need for energy storage...
Physicochemical Characterization and In Vitro Activity of Poly(ε-Caprolactone)/Mycophenolic Acid Amorphous Solid Dispersions
13/04/2024 - The obtention of amorphous solid dispersions (ASDs) of mycophenolic acid (MPA) in poly(ε-caprolactone) (PCL) is reported in this paper. An improvement in the bioavailability of the...
Effect of hydroxyapatite and pulsed electromagnetic field on osteogenic differentiation of human stem cells seeded onto 3D?printed polycaprolactone scaffolds for future bone graft transplantation
11/04/2024 - Bone graft transplantation is a risky procedure mainly due to postoperative complications. Tissue engineering is an alternative to regenerating bone tissue by seeding mesenchymal stem cells into 3D...
Exploring the substrate spectrum of phylogenetically distinct bacterial polyesterases
09/04/2024 - Graphical Abstract and Lay SummaryOver the last years, utilization of enzymes in degradation of polymers has emerged as an environmentally friendly asset in tackling the pressing challenges of...
Effects of photodegradation performance with PLA?containing samples on double injection molding
09/04/2024 - The synthesized amphiphilic star block macromolecules above their CMC point, which is determined by the fluorometric method, form micellar particles. Using the DLS technique, the size distribution of...
Effect of PCL chain length on rheological and mechanical properties of PCL?PDMS?PCL triblock copolymer films
10/04/2024 - The synthesis of PPSS as sizing agents and the improvement on the high?temperature resistance and mechanical properties of carbon fibers.AbstractPolyphenylene sulfide sulfone (PPSS) was synthesized...
Electrospun Nanofibers Loaded with Marigold Extract Based on PVP/HPβCD and PCL/PVP Scaffolds for Wound Healing Applications
10/04/2024 - Marigold flower is a traditionally used plant material topically applied on the skin due to its anti-inflammatory properties and antibacterial activity. This potential of action justifies the...
Electrospun Fenoprofen/Polycaprolactone @ Tranexamic Acid/Hydroxyapatite Nanofibers as Orthopedic Hemostasis Dressings
08/04/2024 - Dressings with multiple functional performances (such as hemostasis, promoting regeneration, analgesia, and anti-inflammatory effects) are highly desired in orthopedic surgery. Herein, several new...
Comprehensive study of antimicrobial polycaprolactone/clay nanocomposite films: Preparation, characterization, properties and degradation in simulated body fluid
05/04/2024 - SEM images of PCL/clay nanocomposite films before and after degradation in PBS buffer at 37°C for 45 days.Even though the biodegradability of polycaprolactone (PCL) and its nanocomposites is lower...
Evaluation of shape memory and self-healing of poly(?-caprolactone)/poly(ethylene-co-methacrylic acid) ionomer (PCL/EMAA-Zn) blends
10/03/2024 - Abstract This study explores the viscoelastic, self-healing, and shape memory properties of poly(?-caprolactone) (PCL), the ionomer EMAA-Zn, and their blends in different...