Bioplásticos

 

Bioplásticos

An applicability study on various methods for determining the monomer conversion rate of polyamide 6
22/03/2024 - The composite of PLA and untreated bamboo filler was fabricated in kneading at 180°C and injection molding at 150–175°C and 95?MPa for 1.5?s. The composite products containing PLA/BF at 50:50 and...
Dialdehyde Starch as a Cross-Linking Agent Modifying Fish Collagen Film Properties
23/03/2024 - The aim of this research was the modification of fish collagen films with various amounts of dialdehyde starch (DAS). Film properties were examined before and after the cross-linking process by DAS....
Push-Out Bond Strength of Glass Fiber Endodontic Posts with Different Diameters
25/03/2024 - (1) Background: The retention of intraradicular posts is an important factor for the prognosis of endodontically treated teeth. The purpose of this study was to evaluate the push-out bond strength...
The Effect of Different Factors on Poly(lactic-co-glycolic acid) Nanoparticle Properties and Drug Release Behaviors When Co-Loaded with Hydrophilic and Hydrophobic Drugs
22/03/2024 - Poly(lactic-co-glycolic acid) nanoparticles (PLGA NPs) are versatile drug nanocarriers with a wide spectrum of applications owing to their extensive advantages, including biodegradability, non-toxic...
Fabrication of Poly(Lactic Acid)@TiO2 Electrospun Membrane Decorated with Metal–Organic Frameworks for Efficient Air Filtration and Bacteriostasis
24/03/2024 - The development of high-performance filtration materials is essential for the effective removal of airborne particles, and metal–organic frameworks (MOFs) anchored to organic polymer...
Biobased Composites of Poly(Lactic Acid) Melt Compounded with Bacterial and Vegetal Nanocelluloses Incorporated through Different Strategies
25/03/2024 - In the current contribution, bacterial nanocellulose obtained from a by-product of Kombucha tea production and vegetal nanocellulose isolated from milled rice husks were employed as fillers of...
Characterization of Polylactic Acid Biocomposites Filled with Native Starch Granules from Dioscorea remotiflora Tubers
25/03/2024 - Biocomposites were fabricated utilizing polylactic acid (PLA) combined with native starch sourced from mountain’s yam (Dioscorea remotiflora Knuth), an underexplored tuber variety....
Comparing the Aging Processes of PLA and PE: The Impact of UV Irradiation and Water
22/03/2024 - The aging processes of microplastics (MPs) are prevalent in natural environments. Understanding the aging mechanisms of MPs is crucial for assessing their environmental behavior and potential risks....
Effects of PLA-Type and Reinforcement Content on the Mechanical Behavior of Additively Manufactured Continuous Ramie Fiber-Filled Biocomposites
22/03/2024 - The present work aimed to examine the tensile and flexural behaviors of biocomposites reinforced with continuous plant fibers, utilizing a range of polylactic acid (PLA) matrix materials and varying...
Multifunctional montmorillonite/polyhydroxy butyrate composites using surfactant structure modulation strategy for packaging applications
22/03/2024 - The structural modification of montmorillonite affects the properties of composite materials.The biodegradable materials for the packaging sector have attracted much attention as they can effectively...
Degradation kinetics of PLA compounds with castor oil
18/03/2024 - AbstractIn order to improve the performance of desulphurized rubber modified asphalt, especially the high?temperature performance, epoxy resin was selected to modify the modified asphalt with three...
Flexible, chemically bonded bismuth/tungsten?based polyvinyl alcohol?polyvinyl pyrrolidone composite for gamma and neutron shielding application
17/03/2024 - Advancing structural integrity: Elevating shear strength in 3D printed single?lap connections.AbstractThe state?of?the?art manufacturing process known as additive manufacturing (AM) employs...
Crystallinity and mechanical properties of polypropylene products foamed by microcellular injection molding process
16/03/2024 - The crosslinking of the PLA/AES blend with dicumyl peroxide in the molten state formed a tough material, suggesting the formation of PLA?g?AES.AbstractAcrylonitrile?EPDM?styrene (AES) was applied as...
Harmless photonic crystal tattoo with angle?independent structural color based on SiO2 nanoparticles and silk fibroin
20/03/2024 - AbstractConductive polymer composites (CPCs) have an excellent performance in dealing with electromagnetic (EM) radiation. The distribution of conductive fillers in CPCs plays a vital role in the...
Role of the plasticizers on the crystallization of PLA and its composites with mesoporous MCM-41
21/03/2024 - Abstract Several materials were prepared by melt extrusion, based on an L-rich polylactide (PLA), as polymeric matrix, acetyl tri-n-butyl citrate (ATBC) or...
Production of Polyhydroxyalkanoates for Biodegradable Food Packaging Applications Using Haloferax mediterranei and Agrifood Wastes
20/03/2024 - Polyhydroxyalkanoates (PHAs) are high-value biodegradable polyesters with thermoplastic properties used in the manufacturing of different products such as packaging films. PHAs have gained much...
Application of Antioxidant Poly-Lactic Acid/Polyhydroxybutyrate (PLA/PHB) Films with Rice Bran Extract for the Preservation of Fresh Pork Meat
21/03/2024 - Poly-lactic acid/polyhydroxybutyrate (PLA/PHB) bio-based films suppose an environmentally friendly alternative to petroleum-derived packaging. In addition, rice bran extracts (RBEs) are an...
Mechanical Characteristics of Individualized Biodegradable Augmentation Scaffold—In Vitro Pilot Study
20/03/2024 - The alveolar ridge reconstruction of vertical and combined bone defects is a non-predictable procedure with varying percentages of success. The greatest challenge for vertical and combined bone...
Valorization of Agro-Wastes as Fillers in PLA-Based Biocomposites for Increasing Sustainability in Fused Deposition Modeling Additive Manufacturing
20/03/2024 - The use of wheat middlings (WM) and rice husks (RH) as biofillers for mixing with poly(lactic acid) (PLA) matrix to produce new 3D-printable biocomposites was assessed. Filaments containing 10 and 20...
Ethylene Scavenging Films Based on Ecofriendly Plastic Materials and Nano-TiO2: Preparation, Characterization, and In Vivo Evaluation
20/03/2024 - It is known that ethylene plays an important role in the quality characteristics of fruits, especially in storage. To avoid the deterioration of fruits caused by ethylene, titanium dioxide (TiO2) has...
Isobornyl and Isocamphyl Photostabilizers in Poly(lactic acid)-Based Electrospun Fibers
20/03/2024 - In this work, electrospun polylactide fibers with new photostabilizing additives, 4-methyl-2,6-diisobornylphenol (DIBP) and N-isocamphylaniline (NICA), have been tested under the influence of UV-C...