Bioplásticos

 

Bioplásticos

All‐Season Thermochromic Window With Customizable Optical Switching Temperature and Directional Thermal Radiation
01/06/2025 - This work proposes to achieve the utilization of the “what you see is what you get”feature during the synthesis process to customize the preparation of PVP liquid with different LCST for user...
Rapid Quantitative Assessment of Residual Stress States in PLA Components Enabled by the Combination of Photoelasticity and the Hole Drilling Method
31/05/2025 - ABSTRACTPoly(lactic acid) (PLA) is one of the most prominent biopolymers and is considered a viable alternative to petroleum‐based polymers. While it exhibits comparable properties to conventional...
Innovative Enhancement of Mechanical and Thermal Properties of Polylactic Acid Foam by Adjusting Crystallization
18/04/2025 - This study investigates the regulation of PLA crystallization and foaming performance through the use of chain extenders and nucleating agents. The foam is subjected to annealing treatment to improve...
Copper Removal with Zeolite/Polylactic Acid Beads: Neural Networks and Fixed‐Bed Column Insights
19/04/2025 - PNZ/PLA composite beads were synthesized for Cu2+ removal in fixed‐bed columns. Their structural changes before and after adsorption were analyzed. Adsorption efficiency was optimized using RSM and...
Design and Evaluation of 3D‐Printed Polylactic Acid Composites Reinforced with Biodegradable Bamboo Powder and Jute Powder
28/03/2025 - The study investigates 3D‐printed polylactic acid (PLA) composites with biodegradable bamboo and jute powder fillers. Mechanical, thermal, structural properties, and rheological behavior are...
Multimodal Finger‐Shaped Tactile Sensor for Multi‐Directional Force and Material Identification
21/03/2025 - A finger‐shaped tactile sensor inspired by human fingers is developed, capable of simultaneous normal and shear force detection and 98.33% accurate material identification. Integrated into a robot...
An Electron Transfer Mediated Mechanism for Efficient Photoreforming of Waste Plastics Using a Ni3S4/ZnCdS Heterojunction
24/02/2025 - Ni3S4/ZnCdS heterojunction is prepared for the efficient production of H2 and high‐selectivity value‐added chemicals from waste plastic. The catalyst exhibits high H2 production rates of 27.9 and...
High‐Performance Electrocatalysts of Potassium Lactate Oxidation for Hydrogen and Solid Potassium Acetate Production
13/02/2025 - Potassium lactate, produced from polylactic acid plastic waste, is oxidized to potassium acetate on an anode using Ni(Co)OOH as the electrocatalyst, while hydrogen is simultaneously generated at the...
A Biomimetic Sweeping Microrobot for Active Therapy of Ulcerative Colitis
26/01/2025 - Inspired by sweeping robots, a Mg@PLGA@PEI microswimmer capable of cleaning off deleterious disease triggers is designed for the active therapy of ulcerative colitis. The self‐driven ability endows...
Osteochondral Tissue Engineering: Scaffold Materials, Fabrication Techniques and Applications
25/01/2025 - Graphical Abstract and Lay Summary The research on osteochondal tissue engineering scaffolds is developing rapidly, offering new possibilities for osteochondral damage. This review introduces...
Plasma‐Activated Water/Ultrasound as a Green Method to Modify Wood Fiber By‐Product: Insights of Their Mechanical Performance in Polylactic Acid‐Based Biofilms
17/01/2025 - A pathway toward circular economy and sustainability is exploring plasma‐activated water (PAW) and ultrasound (U) as alternative methods to modify wood fibers (WF). Such treatments promoted the...
Enhancing Corrosion Resistance and Mechanical Strength of 3D‐Printed Iron Polylactic Acid for Marine Applications via Laser Surface Texturing
20/12/2024 - Laser surface texturing significantly improves the corrosion resistance and mechanical strength of 3D‐printed iron polylactic acid (Ir‐PLA) for marine applications. Optimal laser parameters...
3D‐Printed Pyramidal Honeycomb Structures Plated with Silver and Infused with Fe3O4–Epoxy Composite for Microwave Absorption Applications
20/12/2024 - This technique presents significant promise in the realm of radar‐absorbing applications by concurrently studying both the geometric configurations of the structure and the incorporation of...
Evaluation of the Activation Energy for Pyrolytic Degradation of Poly‐L‐Lactide (PLA) During Artificially Accelerated Aging
06/12/2024 - ABSTRACTIn the course of this study, the pyrolytic degradation characteristics of three poly(lactic acid) (PLA) types were investigated under inert conditions using dynamic thermogravimetric analysis...
Lightweight Double‐Layered Polylactic Acid‐Based Nanocomposite Foams for Highly Absorption‐Dominated Electromagnetic Shielding
27/11/2024 - To reduce electromagnetic wave pollution, carbon nanostructures is introduced into a polylactic acid‐based system. However, the impedance mismatch between conductive material and air causes...
Combining Micro and Macro Relative Density: An Experimental and Computational Study on Hierarchical Porous 3D‐Printed Polylactic Acid Structures
23/11/2024 - This article investigates foamed fused filament fabrication of polylactic acid cellular solids using a filament containing chemical blowing agents. Structures with body centered cubic and triply...
Exploiting Geometric Frustration in Coupled von Mises Trusses to Program Multifunctional Mechanical Metamaterials
23/11/2024 - Mechanical metamaterials capable of compressive stiffness tunability, shape morphing, and post‐fabrication modularity. Herein, the 3D unit cell design is based on an assembly of bistable von Mises...
Anti-dripping Flame Retardancy and Mechanical Properties of Polylactide/Ammonium Polyphosphate/Rayon Fiber Composites
21/11/2024 - Polylactide (PLA) composites containing a flame retardant, ammonium polyphosphate (APP), and short rayon fiber were prepared by direct melting compounding in a brabender. The limiting oxygen index...
Flame?Retarded Poly (Lactic Acid) Containing Phosphating Chitosan
19/11/2024 - ABSTRACTPoly (lactic acid) (PLA) is a promising thermoplastic aliphatic polyester to replace petroleum?based polymers in many fields. However, its flammability has limited its application in areas...
Mechanical Properties and In Vitro Degradation Study of Modified?Polylactic Acid Block Copolymers/Polyetheretherketone Biocomposites
20/11/2024 - Polypropylene (PP) based nanocomposites reinforced by graphitic carbon nitride nanosheets exfoliated from g?C3N4 exhibited enhanced gas barrier properties and mechanical properties.Polypropylene (PP)...
The Influence of Horsetail (Equisetum arvense L.) Powder and Horsetail-Based Silica on the Crystallization Kinetics of Polylactide
21/11/2024 - Biogenic silica (SiO2) sourced from living organisms, especially plants such as rice and other cereals, has recently been successfully applied in different polymeric compositions. Another rich source...