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Others

Prevention of surface defects in calendered poly(vinyl chloride) sheets using a succinate?capped poly(caprolactone) additive
03/01/2024 - This study demonstrates that a small amount of additive, called PCL540?[(succ)?C7]3, can be used to eliminate the formation of surface flaws called gas checks in PVC calendered films, thereby not...
Investigation on the Influence of Process Parameters on the Mechanical Properties of Extruded Bio-Based and Biodegradable Continuous Fiber-Reinforced Thermoplastic Sheets
20/09/2023 - The use of bio-based and biodegradable matrix materials in fiber-reinforced polymers (FRPs) is an approach to reduce the consumption of fossil resources and the amount of polymer waste. This study...
Metal Particle Pencil Beam Spray-Coating Method for High-Density Polymer–Resin Composites: Evaluation of Radiation-Shielding Sheet Properties
06/09/2023 - Medical shielding suits must be lightweight and satisfy the requirements of thin films to guarantee user mobility and safety. The thin film weight is related to the density and thickness, which are...
Probing Enhanced Electron-Phonon Coupling in Graphene by Infrared Resonance Raman Spectroscopy
- A low-intensity Raman probe shows enhanced coupling between electrons and Brillouin zone boundary optical phonons in graphene near the Dirac point.
Antifungal and ultraviolet–visible barrier properties in starch films reinforced with CuO nanoparticles
17/06/2023 - Dependence of the interlaminar fracture toughness G1C of CFRPs based on heat resistant polymers at different temperatures.AbstractHeat resistant thermoplastic matrices offer potential advantages over...
Mechanical Properties of Composite Material Based on an Oxyfluorinated Fibrous Filler
06/03/2023 - The effect of the technology of roll calender processing of nonwoven needle-punched fabric based on a blend of polymer and bicomponent fibers on the correlation between the decrease of porosity...
Preheating of Lithium-Ion Battery Electrodes as Basis for Heated Calendering—A Numerical Approach
22/08/2022 - Lithium-ion batteries are state of the art and, still, their performance is constantly improving. To increase the energy density and electric conductivity, electrodes are usually calendered. Hereby,...
The effects of the interaction of pigment coating with ink on the offset print quality
22/07/2022 - AbstractThe study was carried out in order to determine the effect of coating formulations on printing quality. For this purpose, five different coating formulations were created in which kaolin...
The San Giovanni Baptistery in Florence (Italy): Assessment of the State of Conservation of Surfaces and Characterization of Stone Materials
16/04/2022 - During the last restoration campaign of the Baptistery of San Giovanni in Florence (Italy), the assessment of the state of conservation of external surfaces was performed, with a multi-analytical...
Light-Tunable Charge Density Wave Orders in ${mathrm{MoTe}}_{2}$ and ${mathrm{WTe}}_{2}$ Single Layers
- By using constrained density functional theory modeling, we demonstrate that ultrafast optical pumping unveils hidden charge orders in group VI monolayer transition metal ditellurides. We show that...
A Presentation of Ionic Liquids as Lubricants: Some Critical Comments
19/06/2021 - Ionic liquids (ILs) are liquid materials at room temperature with an ionic intrinsic nature. The electrostatic interactions therefore play a pivotal role in dictating their inner structure, which is...
Intrinsic Vibrational Angular Momentum from Nonadiabatic Effects in Noncollinear Magnetic Molecules
- We show that in noncollinear magnetic molecules, nonadiabatic (dynamical) effects due to the electron-vibron coupling are time-reversal symmetry breaking interactions for the vibrational field....
The Role of Calender Gap in Barrel and Screw Wear in Counterrotating Twin Screw Extruders
24/03/2021 - It has been known in the industrial sector that in closely intermeshing counterrotating twin screw extruders, large separating forces develop in the calender gap, which push the screws towards the...
Weak Dimensionality Dependence and Dominant Role of Ionic Fluctuations in the Charge-Density-Wave Transition of ${mathrm{NbSe}}_{2}$
- Contradictory experiments have been reported about the dimensionality effect on the charge-density-wave transition in 2H NbSe2. While scanning tunneling experiments on single layers grown by...
Exploiting Nanoparticles to Improve the Properties of Bitumens and Asphalts: At What Extent Is It Really Worth It?
29/07/2020 - Asphalt concretes are materials used worldwide. It is well-known that in such materials the minor component, the bitumen, plays the most important role since it binds the high fraction...
Phonon Collapse and Second-Order Phase Transition in Thermoelectric SnSe
- Since 2014 the layered semiconductor SnSe in the high-temperature Cmcm phase is known to be the most efficient intrinsic thermoelectric material. Making use of first-principles calculations we show...
Soft nanoparticles charge expression within lipid membranes: The case of amino terminated dendrimers in bilayers vesicles
01/10/2018 - Interactions of charged nanoparticles with model bio-membranes provide important insights about the soft interaction involved and the physico-chemical parameters that influence lipid bilayers...
Phonon-Assisted Magnetic Mott-Insulating State in the Charge Density Wave Phase of Single-Layer $1Ttext{?}{mathrm{NbSe}}_{2}$
- We study the structural, electronic, and vibrational properties of single-layer 1T?NbSe2 from first principles. Within the generalized gradient approximation, the 1T polytype is highly unstable with...
Chiral Spin Texture in the Charge-Density-Wave Phase of the Correlated Metallic $mathrm{Pb}/mathrm{Si}(111)$ Monolayer
- We investigate the 1/3 monolayer ??Pb/Si(111) surface by scanning tunneling spectroscopy (STS) and fully relativistic first-principles calculations. We study both the high-temperature 3×3 and...