Bioplásticos

 

Bioplásticos

A Design Strategy for Removing the Debinding and Sintering Gas in Additive Manufactured Samples of a Bronze/Polylactic Acid Filament
01/03/2024 - In this study, an innovative manufacturing approach using bronze?filled polylactide filament with a material extrusion (MEX) 3D printer is presented. By incorporating internal channels for gas...
Reuse of Soils Fertilized with Ash as Recycling Derived Fertilizer Revealed Strong Stimulation of Microbial Communities Involved in P Mobilization in Lolium perenne Rhizospheres
04/03/2024 - Circular economy recycling-derived fertilizers (RDF) have the potential to replace linear economy fertilizers such as unsustainable superphosphates. Here, effects of ash RDF treatments in Irish...
Synthesis and characterization of polylactic acid?lecithin?starch bioplastic film
28/02/2024 - Hydroxyapatite (HAP) can be successfully used as a filler of natural rubber (NR) biocomposites.Using HAP considerably improves tensile strength and thermal stability of NR vulcanizates.HAP affects...
Properties of polylactic acid blends with potato thermoplastic starch using maleated polyethylene as a compatibilizer
28/02/2024 - Schematic diagram of polymer film fabrication process.AbstractIn the present work, we report the effect of low?temperature plasma treatment on thermal, mechanical, and biodegradable properties of...
The modified boundary layer mechanism for the release between polyimide film and poly(ether ketone ketone) thermoplastics
28/02/2024 - A bio?based pH?responsive nanofibrous membranes (BPNFM) is successfully prepared and applied to controlled release of tetracycline hydrochloride. The fabricated BPNFM is expected to be used as...
Quantitative investigation on the Young's modulus of ultrathin amorphous PS films attached to different substrates
26/02/2024 - In this work, a method combining nanomechanical characterization and finite element analysis (FEA) was applied to reveal the influence mechanism and quantify the effects of the substrate on the...
Impact Fracture Resistance of Fused Deposition Models from Polylactic Acid with Respect to Infill Density and Sample Thickness
29/02/2024 - Fused deposition modeling (FDM) is widely employed in prototyping due to its cost-effectiveness, speed, and ability to produce detailed and functional prototypes using a variety of materials....
The Effect of Stereocomplexation and Crystallinity on the Degradation of Polylactide Nanoparticles
28/02/2024 - Polymeric nanoparticles (PNPs) are frequently researched and used in drug delivery. The degradation of PNPs is highly dependent on various properties, such as polymer chemical structure, size,...
Mechanochemical Encapsulation of Caffeine in UiO-66 and UiO-66-NH2 to Obtain Polymeric Composites by Extrusion with Recycled Polyamide 6 or Polylactic Acid Biopolymer
27/02/2024 - The development of capsules with additives that can be added to polymers during extrusion processing can lead to advances in the manufacturing of textile fabrics with improved and durable properties....
Effect of annealing on the morphology and properties of poly(lactic acid)/polyhedral oligomeric silsesquioxane asymmetric porous membranes prepared through non?solvent induced phase separation and its application
28/02/2024 - Non?solvent induced phase separation (NIPS) method was employed to fabricate biodegradable poly(lactic acid) (PLA) nanocomposite membranes. Morphological studies using scanning electron microscopy...
Correlation between the activation energy of PLA respectively PLA/starch composites and mechanical properties with regard to differ accelerated aging conditions
22/02/2024 - Within this research semi?crystalline polylactide and composites with 50?wt.% native potato starch were compounded and injection molded. The material was mechanically characterized by tensile,...
Effect of molecular weight on the properties and structure of biodegradable poly-lactic acid melt-blown nonwovens
26/02/2024 - Abstract Biodegradable poly-lactic acid (PLA) with varying molecular weights of melt-blown nonwovens was successfully prepared through the method of melt spinning. The phase...
Investigation of the Hydrolytic Degradation Kinetics of 3D-Printed PLA Structures under a Thermally Accelerated Regime
24/02/2024 - The application of biobased and biodegradable polymers, such as polylactide (PLA), in fused deposition modeling (FDM) 3D-printing technology creates a new prospect for rapid prototyping and other...
Electro-Mechanical Characterisation and Damage Monitoring by Acoustic Emission of 3D-Printed CB/PLA
24/02/2024 - Even though the influence of the printing direction on the mechanical properties of 3D-printed samples by fused filament fabrication is established in the literature, very little is known about...
Influence of a Biofiller, Polylactide, on the General Characteristics of Epoxy-Based Materials
26/02/2024 - The aim of this work was to obtain epoxy-based composite structures with good mechanical performance, high aging resistance, and an improved degradability profile. For this purpose, powdered...
A Comparative Investigation of the Reliability of Biodegradable Components Produced through Additive Manufacturing Technology
23/02/2024 - Using the linear elastic finite element method, we investigated how defects significantly influence the integrity of 3D-printed parts made from biodegradable material by experimental techniques and...
Synthesis of L-Lactide from Lactic Acid and Production of PLA Pellets: Full-Cycle Laboratory-Scale Technology
25/02/2024 - Lactide is one of the most popular and promising monomers for the synthesis of biocompatible and biodegradable polylactide and its copolymers. The goal of this work was to carry out a full cycle of...
Nitrogen Plasma Treatment of Composite Materials Based on Polylactic Acid and Hydroxyapatite
25/02/2024 - The effect of surface modification by an arc discharge plasma in a nitrogen flow with treatment durations of 5 and 10 min on the physicochemical properties and biocompatibility of the surface of...
Molecular structure regulation of functional polylactic acid based on chain expansion reaction and its improved hydrolysis resistance
22/02/2024 - In this work, the functional polylactic acid (PLA) was synthesized using epoxy chain extender (ADR) as a chain extender agent through melt blending method. The effects of ADR content on the...
Preparation, shape memory properties and application research of PLA/PCL?based shape memory polymers doped with Al2O3 and lignin
17/02/2024 - The effects of gallic acid addition and high?intensity ultrasound on physicochemical properties of the peanut protein?corn starch films.AbstractCorn starch and peanut protein blend films were...