Extrusión

Extrusión

The role of internal stresses, temperature, and water on the swelling of pigmented epoxy systems during hygrothermal aging
01/10/2022 - AbstractThe characteristic time periodicity ?*$$ {\tau}^{\ast } $$ and the spatial characteristic wavelength ?$$ \lambda $$ of extrusion flow instabilities of a linear and a branched commercial...
Recycled plastic filament made from post?consumer expanded polystyrene and polypropylene for fused filamant fabrication
05/10/2022 - Process of producing recycled plastic filament from post?consumer expanded polystyrene and polypropylene.This research focused on developing recycled polymer blend filament from post?consumer...
Use of Hazelnut Perisperm as an Antioxidant for Production of Sustainable Biodegradable Active Films
04/10/2022 - Utilization of food-waste-derived bioactive compounds with biodegradable polymers is an attractive strategy leading innovation in the food packaging sector and contributing to reduce the...
Analysis of the influence of microencapsulated phase change materials on the behavior of a new generation of thermo-regulating shape memory polyurethane fibers
01/12/2022 - The present work is a first approach in order to achieve thermo-sensitive and waterproof polyurethane fibers useful in the textile industry. For this, two polyurethane formulations with glass...
Role of molecular architecture and temperature on extrusion melt flow instabilities of two industrial LLDPE and LDPE polyethylenes investigated by capillary rheology, high?pressure sensitivity slit die and optical analysis
01/10/2022 - A novel dual small molecule composite electrospun scaffold is prepared using polycaprolactone (PCL) embedded with angiogenic factor tauro?ursodeoxycholic acid (TUDCA) and osteogenic factor...
Biaxial reinforcements for polyethylene medical-tubes via helical convergent flow
01/10/2022 - Abstract Commercialized medical-tubes prepared by axial extrusion are featured with the performance mismatching along axial and hoop directions and thus are not suitable for the...
Enhanced Mechanical and Anti-Wear Properties of Magnesium by Alloying and Subsequent Extrusion–Aging Treatment
30/09/2022 - In this work, the microstructure, mechanical, and anti-wear properties of the alloyed-extruded-aged Mg-8.3Gd-4.5Y-1.4Zn-0.3Zr (wt%) alloys were investigated by X-ray diffraction (XRD), scanning...
Microstructure and Mechanical Properties of Hot-Extruded Mg–Zn–Ga–(Y) Biodegradable Alloys
02/10/2022 - Magnesium alloys are attractive candidates for use as temporary fixation devices in osteosynthesis because they have a density and Young’s modulus similar to those of cortical bone. One...
The physicochemical properties of starches isolated from defatted tigernut meals: Effect of extrusion pretreatment
- If the tigernut meal left after oil extraction is used as a material for starch resources instead of being wasted, the industrial value of tigernut would be improved. Thus, we investigated the...
Development of Biodegradable PLA/PBAT-Based Filaments for Fertilizer Release for Agricultural Applications
29/09/2022 - The aim of this work was to produce filaments of PLA/PBAT and NPK fertilizer adsorbed on organophilized bentonite intended for application in the prototyping of biodegradable agricultural artifacts...
Effect of Different Comonomers Added to Graft Copolymers on the Properties of PLA/PPC/PLA-g-GMA Blends
29/09/2022 - The melt-free radical grafting of glycidyl methacrylate (GMA) onto poly (lactic acid) (PLA) with styrene (St), α-methylstyrene (AMS), and epoxy resin (EP) as comonomers in a twin-screw...
Thermal and Mechanical Characterization of the New Functional Composites Used for 3D Printing of Static Mixers
27/09/2022 - This paper investigates the possibility of integrating the combination of nanofillers, titanium dioxide (TiO2) and carbon nanotubes (CNT) into the thermoplastic polymer matrix. This combination of...
Antibacterial, Antifungal and Antiviral Polymeric Food Packaging in Post-COVID-19 Era
27/09/2022 - Consumers are now more concerned about food safety and hygiene following the COVID-19 pandemic. Antimicrobial packaging has attracted increased interest by reducing contamination of food surfaces to...
Additive Manufacturing of Anatomical Poly(d,l-lactide) Scaffolds
27/09/2022 - Poly(lactide) (PLA) is one of the most investigated semicrystalline polymers for material extrusion (MEX) additive manufacturing (AM) techniques based on polymer melt processing. Research on its...
Flax Fibre Yarn Coated with Lignin from Renewable Sources for Composites
27/09/2022 - The present experimental work analyses the potential of lignin as a matrix for materials made from renewable resources for composite components and the production of hybrid semi-finished products by...
Comparison of IoT Communication Protocols Using Anomaly Detection with Security Assessments of Smart Devices
27/09/2022 - The authors implemented an attack scenario that involved simulating attacks to compromise node and sensor data. This research proposes a framework with algorithms that generates automated malicious...
Investigation of Compression Strength and Heat Absorption of Native Rice Straw Bricks for Environmentally Friendly Construction
27/09/2022 - The purpose of this study was to compare the efficiency of native rice straw mixed bricks, prototype bricks and brick blocks that are sold in the market. The comparison looked at four aspects, as...
Emerging Food Packaging Applications of Cellulose Nanocomposites: A Review
26/09/2022 - Cellulose is the most abundant biopolymer on Earth, which is synthesized by plants, bacteria, and animals, with source-dependent properties. Cellulose containing β-1,4-linked D-glucoses...
Numerical Simulation and Field Test of the Interaction between Existing Station and Enclosure in Open Excavation and Adding Stories Construction
23/09/2022 - When constructing open excavation and adding stories on the upper part of an existing station structure, the new foundation pit contacts with the existing station at zero distance; subsequently, the...
Low-Temperature Fibre Direct Compounding of Cellulose Fibres into PA6
23/09/2022 - This study reports on the development of a novel polymer processing approach that combines low-temperature (LT) processing and fibre direct compounding (FDC) to reduce the thermal stress on...
Electrospinning preparation of hollow porous Sn0.84Sm0.08Sb0.08O2 micro/nano fibers and their multispectral compatible stealth properties
- SnO2 material has good stability, electrical conductivity and high visible light transmittance, showing great potential in the field of stealth materials. However, it is an important research...