Bioplásticos

Bioplásticos

Correlation between Processing Parameters, Morphology, and Properties of Injection-Molded Polylactid Acid (PLA) Specimens at Different Length Scales
31/01/2023 - Polylactic acid (PLA) is one of the most promising bioplastic representatives that finds application in many different areas, e.g., as single-use products in the packaging industry, in the form of...
Poly(butylene adipate-co-terephthalate)/Poly(lactic acid) Polymeric Blends Electrospun with TiO2-R/Fe3O4 for Pollutant Photodegradation
02/02/2023 - This work aimed to use the electrospinning technique to obtain PBAT/PLA polymer fibers, with the semiconductors rutile titanium dioxide (TiO2-R) and magnetite iron oxide (Fe3O4), in order to promote...
3D?printed and foamed triply periodic minimal surface lattice structures for energy absorption applications
31/01/2023 - This study presents three TPMS lattice structures, namely the Gyroid, Fischer?Koch S, and PMY, which are 3D printed using polylactic acid. Subsequently, the 3D printed structures undergo a gas...
Electrospinning of ultrafine non?hydrolyzed silk sericin/PEO fibers on PLA: A bilayer scaffold fabrication
31/01/2023 - Process steps for the electrospinning of the bi?layered scaffold and process?induced properties.We report the feasibility of electrospinning of protein?polymer multilayered scaffolds with selected...
An overview of the recent advances in flame retarded poly(lactic acid)
31/01/2023 - Poly(lactic acid) (PLA) is derived from crops, and has a broad application prospect in electronics and electrical, automotive industries due to its biodegradability and good physical and mechanical...
Assessment of the Mechanical Properties of Selected PLA Filaments Used in the UAV Project
30/01/2023 - The paper presents the evaluation of selected mechanical properties of PLA filaments used in the production of unmanned aerial vehicles (UAV). The manuscript covers a short description of the...
Role of Shear Flow on Structure Development during Post-Processing Annealing for Poly(lactic acid)
30/01/2023 - The effect of shear history on structure development during post-processing annealing was studied using poly(lactic acid) PLA. Since PLA shows a low crystallization rate, quenched films had no...
Three?dimensional printing of triply periodic minimal surface structured scaffolds for load?bearing bone defects
29/01/2023 - This study presents the potential application of 3D printing technology for the fabrication of TPMS?structured bioactive, biomimetic, and biodegradable scaffolds. Gyroid and primitive structured TPMS...
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...
Hydrolysis, Biodegradation and Ion Sorption in Binary Biocomposites of Chitosan with Polyesters: Polylactide and Poly(3-Hydroxybutyrate)
27/01/2023 - The film binary composites polylactide (PLA)–chitosan and poly(3-hydroxybutyrate) (PHB)–chitosan have been fabricated and their functional characteristics, such as...
Sandwich structures based on fused filament fabrication 3D?printed polylactic acid honeycomb and poly(vinylidene fluoride) nanocomposites for microwave absorbing applications
26/01/2023 - Fused Filament Fabrication approach to build honeycomb?based sandwiched structures. PLA?based honeycomb as a core for producing microwave absorbing materials. Broad frequency bandwidth with honeycomb...
Study of Argon and Oxygen Mixtures in Low Temperature Plasma for Improving PLA Film Wettability
26/01/2023 - Oxygen (O2) and argon (Ar) plasma give a significant improvement in the wettability of PLA films. This study investigates the effectiveness of plasma activation with a mixture of these two gases. The...
Preparation of oriented poly(lactic acid) thin films by a combination of high temperature rubbing and thermal annealing: Impact of annealing parameters on structure, polymorphism and morphology
24/01/2023 - High temperature rubbing is a fast and low?cost method to prepare highly oriented films of polymers. This contribution describes the fabrication of smooth and pin?hole?free poly(lactic acid) (PLA)...
Biopolymer Non-Parametric Analysis: A Degradation Study under Accelerated Destructive Tests
25/01/2023 - The degradation of biopolymers such as polylactic acid (PLA) has been studied for several years; however, the results regarding the mechanism of degradation are not completely understood yet. PLA is...
Combined Effects from Dual Incorporation of ATBC as Plasticizer and Mesoporous MCM-41 as Nucleating Agent on the PLA Isothermal Crystallization in Environmentally-Friendly Ternary Composite Systems
25/01/2023 - Different materials, based on an L-rich polylactide (PLA) as matrix, acetyl tri-n-butyl citrate (ATBC) as plasticizer, and mesoporous Mobile Crystalline Material.41 (MCM-41) particles as nucleating...
Physical, mechanical, viscoelastic, and morphological properties of poly(lactic acid)/ethylene?co?vinyl acetate blend reinforced with silicon carbide nanoparticles
24/01/2023 - Phase morphology, mechanical properties, melting and crystallinity, as well as the dynamic viscoelastic properties of poly(lactic acid) (PLA)/ethylene?co?vinyl acetate (EVA) (80/20) blend containing...
3D printed poly(lactic acid)-based nanocomposite scaffolds with bioactive coatings for tissue engineering applications
23/01/2023 - Abstract In this work, the effect of two different types of bioactive coatings on the properties of 3D printed poly(lactic acid)/montmorillonite (PLA/MMT) nanocomposite scaffolds...
Design, development, and implementation of 3D-printed polylactic acid centrifuge rotors for laboratory-scale applications
06/01/2023 - INTRODUCTION A centrifuge is one of the most frequently used instruments in chemistry, biology, biochemistry, and medical laboratories. This equipment applies centrifugal forces to the fluids...
Development of ductile green flame retardant poly(lactic acid) composites using hydromagnesite&huntite and bio?based plasticizer
20/01/2023 - Ductile green fire retardant poly(lactic acid) (PLA) composites were manufactured using hydromagnesite&huntite (HH) as a natural fire retardant additive and acetyl tributyl citrate as a bio?based...
Comparative Investigations on Properties of Three Kinds of FDM 3D-Printed Natural Plant Powder/Poly(lactic acid) Biocomposites
21/01/2023 - In order to further explore the feasibility of the application of the residue of Chinese herbal medicine in FDM 3D technology and enrich the kinds of printing materials, Astragalus residue...
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...