Bioplásticos

Bioplásticos

PCL-based hydrophobic chains grafted with two PEG-based hydrophilic branches: fluorescence and dynamic light scattering studies
31/01/2023 - Abstract In this research, polycaprolactone (PCL)-based hydrophobic chains grafted with two polyethylene glycol (PEG)-based hydrophilic branches (PEG-g-PCL) possessing two...
Preparation and Antibacterial Properties of a Composite Fiber Membrane Material Loaded with Cationic Antibacterial Agent by Electrospinning
01/02/2023 - Microbial infections due to bacteria, viruses, and molds are a serious threat to both human life and the health of other organisms. To develop inexpensive, easy-to-prepare, efficient, and portable...
Collagen Fibril Diameter Distribution of Sheep Anterior Cruciate Ligament
01/02/2023 - The anterior cruciate ligament (ACL) tissue is a soft tissue connecting the femur and tibia at the knee joint and demonstrates a limited capacity for self-regeneration due to its low vascularity. The...
Effect of Polydopamine Coating of Cellulose Nanocrystals on Performance of PCL/PLA Bio-Nanocomposites
27/01/2023 - In bio-nanocomposites with a poly(lactic acid) (PLA)/poly(ε-caprolactone) (PCL) matrix with neat and polydopamine (PDA)-coated cellulose nanocrystals (CNCd), the use of different...
Accelerated Degradation of Poly-ε-caprolactone Composite Scaffolds for Large Bone Defects
28/01/2023 - This research investigates the accelerated hydrolytic degradation process of both anatomically designed bone scaffolds with a pore size gradient and a rectangular shape (biomimetically designed...
Valorization of Agricultural Waste as a Chemiresistor H2S-Gas Sensor: A Composite of Biodegradable-Electroactive Polyurethane-Urea and Activated-Carbon Composite Derived from Coconut-Shell Waste
29/01/2023 - In this study, a high-performance H2S sensor that operates at RT was successfully fabricated using biodegradable electroactive polymer-polyurethane-urea (PUU) and PUU-activated-carbon (AC) composites...
Polycaprolactone with Glass Beads for 3D Printing Filaments
28/01/2023 - At present, 3D printing is experiencing a great boom. The demand for new materials for 3D printing is also related to its expansion. This paper deals with manufacturing innovative polymer composite...
Human Adipose Mesenchymal Stromal Cells growing into PCL?nHA electrospun scaffolds undergo hypoxia adaptive ultrastructural changes
24/01/2023 - AbstractHuman Adipose?Derived Mesenchymal Stem/Stromal Cells (hAD?MSCs) have great potential for tissue regeneration. Since transplanted hAD?MSCs are likely to be placed in a hypoxic environment,...
PCL/Gelatin/Graphene Oxide Electrospun Nanofibers: Effect of Surface Functionalization on In Vitro and Antibacterial Response
25/01/2023 - The emergence of resistance to pathogenic bacteria has resulted from the misuse of antibiotics used in wound treatment. Therefore, nanomaterial-based agents can be used to overcome these limitations....
Fabrication and Characterization of Electrospun Poly(Caprolactone)/Tannic Acid Scaffold as an Antibacterial Wound Dressing
24/01/2023 - Antibacterial wound dressings are promising materials to treat infected skin wounds, which greatly affect the wound-healing process. In this study, tannic acid (TA), a natural antibacterial agent,...
Characterization of PLA/PCL/Nano-hydroxyapatite (nHA) Biocomposites Prepared via Cold Isostatic Pressing
21/01/2023 - Hydroxyapatite has the closest chemical composition to human bone. Despite this, the use of nano-hydroxyapatite (nHA) to produce biocomposite scaffolds from a mixture of polylactic acid (PLA) and...
3D-Printed Polycaprolactone Mechanical Characterization and Suitability Assessment for Producing Wrist–Hand Orthoses
22/01/2023 - In this research, the mechanical properties of 3D-printed polycaprolactone (PCL), a biocompatible and biodegradable semi-crystalline polyester, available as feedstock for additive manufacturing...
Development of Strong and Tough β-TCP/PCL Composite Scaffolds with Interconnected Porosity by Digital Light Processing and Partial Infiltration
19/01/2023 - Strong and tough β-TCP/PCL composite scaffolds with interconnected porosity were developed by combining digital light processing and vacuum infiltration. The composite scaffolds were...
Efficient encapsulation of isocyanates in PCL/PLA biodegradable microcapsules for adhesives
16/01/2023 - Abstract Microencapsulation of isocyanates eliminates the risks associated with their direct handling, protects the isocyanate species from air moisture, and increases the...
Discussions on crystallization behaviors and physical properties of biodegradable poly(ethylene succinate) composites containing PCL-CD-IC
18/01/2023 - Abstract In this work, biodegradable poly(ethylene succinate) (PESu) composites were studied. Inclusion complex (IC) of ?-cyclodextrin (?-CD) and poly(?-caprolactone) (PCL) was...
The Influence of Long-Time Storage on the Structure and Properties of Multi-Block Thermoplastic Polyurethanes Based on Poly(butylene adipate) Diol and Polycaprolactone Diol
14/01/2023 - A series of semi-crystalline multi-block thermoplastic polyurethanes (TPU), containing poly(butylene adipate) (PBA), polycaprolactone (PCL) and their equimolar mixture (PBA/PCL) as a soft segment was...
A novel multi-triggered reversible shape memory thermoplastic polyurethane (TPU)/polycaprolactone (PCL) blend
12/01/2023 - Abstract The shape memory properties of thermoplastic polyurethane (TPU)/polycaprolactone (PCL) based blends were studied. In the literature, most two-way shape memory polymers...
Poly(??caprolactone)/poly(m?anthranilic acid) and poly(??caprolactone)/poly(3,4?ethylenedioxythiophene)?poly(styrenesulfonate) electrospun nanofibers: Characterization, antioxidant, and electrochemical properties
10/01/2023 - The fabrication process and characterizations of PCL/P3ANA and PCL/PEDOT electrospun nanofibers.Conducting polymers are widely used in many biomedical applications, but their non?degradability and...
An Analysis of the Effect of Activation Temperature and Crack Geometry on the Healing Efficiency of Polycaprolactone (PCL)/Epoxy Blends
09/01/2023 - Self-healing materials have attracted great interest in recent years. Particularly, the use of thermoset/thermoplastics blends has emerged as a good option with relatively low activation temperatures...
Synthesis and characterization of poly(urethane-imide) derived from structural effect of diisocyanates
07/01/2023 - Abstract Although polyurethane (PU) has excellent extensibility and flexibility, it is thermally unstable, which limits how it can be utilized. By contrast, polyimide (PI) is a...
Anti-Fouling and Anti-Biofilm Performance of Self-Polishing Waterborne Polyurethane with Gemini Quaternary Ammonium Salts
07/01/2023 - Biofilms are known to be difficult to eradicate and control, complicating human infections and marine biofouling. In this study, self-polishing and anti-fouling waterborne polyurethane coatings...