Polymer International, EarlyView.Halogen‐free biocomposite polystyrene foams were fabricated via pilot‐scale supercritical CO2 extrusion using expandable graphite, melamine polyphosphate, biochar, and recycled polymer. The optimized formulation exhibited refined cellular morphology, enhanced flame retardancy (limiting oxygen index of 25%, rapid self‐extinguishing), and improved ...
Apurv Gaidhani +4 more
wiley +1 more source
Schiff Base Hydrogel Bio-Adhesive Using Oxidized Chondroitin Sulfate and Polyethylenimine with Antibacterial Properties and Cytocompatibility. [PDF]
Polymers (Basel)Nie L +7 more
europepmc +1 more source
Journal of Polymer Science, EarlyView.This study presents a fast and accurate calculation tool to predict conveying of polymer melts in single‐screw extruders. Integrating generalized sub‐models into network theory allows to represent the complex screw shapes and material behavior more realistically. Tests on an industrial extruder show close agreement with experiments, outperforming older
Daniel Herzog +3 more
wiley +1 more source
Assessing the micromechanical architecture of joint tissues with speckle rheological microscopy. [PDF]
Nat CommunLeartprapun N +4 more
europepmc +1 more source
Viscoelastic Modeling of Stress Relaxation in Model High‐Performance Covalent Adaptable Networks
Journal of Polymer Science, EarlyView.Covalent adaptable networks, often referred to as vitrimers, contain a certain fraction of bonds that are able to exchange with other bonds. The ability of this bond exchange to relax stress or result in flow of the material depends on the concentration and specific concentration of these bonds in ways that can be quantified.
Broderick Lewis +4 more
wiley +1 more source
Steady and Dynamic Rheological Properties of Concentrated Chitosan Solutions at Different Concentrations and Temperatures. [PDF]
Polymers (Basel)Abazari M +6 more
europepmc +1 more source
Leucaena Oil Functionalized With Osmium Tetroxide as a Precursor for Polyol‐Based Polyurethane
Journal of Polymer Science, EarlyView.Leucaena leucocephala seed oil is converted into a hydroxyl‐functional biopolyol through OsO4‐mediated dihydroxylation. The resulting biopolyol shows a hydroxyl number of 160–175 mg KOH g−1 and is successfully used to produce flexible, open‐cell polyurethane foams, highlighting a renewable route for converting underutilized biomass into value‐added ...
Giovanni Miraveti Carriello +13 more
wiley +1 more source
Resonant Acoustic Spectroscopy for Measuring Complex Modulus of Bitumen. [PDF]
Sensors (Basel)Kollmus FA +2 more
europepmc +1 more source
Assessing the Rheological Behavior of Bitumen with the Dynamic Shear Rheometer
Bitumen is an organic material obtained from the crude oil refinement process. It is typically used as a binder in asphalt mixtures or as a sealing material in fields like the roofing industry.
Mirwald, Johannes; orcid: +4 more
core
Microfluidic Capillary Arrays for Pixelated Control of Multimaterial Flows
Small, EarlyView.A 3D‐printed pixellated capillary array maps up to thousands of fluid inputs into arbitrary multimaterial flow cross‐sections. Automated manifold design and laminar scaling are used to amplify printing resolution orders of magnitude, generating microscale fluidic control from printed elements, enabling designed microflows for potential use in ...
Max Chapman +2 more
wiley +1 more source