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View article: Aging Investigation of Polyethylene-Coated Underground Steel Pipelines
Aging Investigation of Polyethylene-Coated Underground Steel Pipelines Open
The aging of three-layer polyethylene-coated buried steel pipelines for oil/gas and water transport poses significant challenges for public safety, environmental integrity, and economic sustainability. Over time, these pipelines become inc…
View article: Untying the Knot: A Fully Recyclable, Solvent‐Free, Wide‐Spectral Photocurable Thermoset Adhesive
Untying the Knot: A Fully Recyclable, Solvent‐Free, Wide‐Spectral Photocurable Thermoset Adhesive Open
Adhesives are vital in industries ranging from aerospace to consumer electronics. However, their reliance on non‐recyclable polymers makes them suitable for one‐time use and results in significant economic and environmental challenges. Rev…
View article: Thermal Insulation Foam of Polystyrene/Expanded Graphite Composite with Reduced Radiation and Conduction
Thermal Insulation Foam of Polystyrene/Expanded Graphite Composite with Reduced Radiation and Conduction Open
Expanded graphite (EG) with high infrared (IR) absorption is incorporated at low concentrations (≤2 wt%) into polystyrene (PS) foams to reduce radiative thermal conductivity and solid thermal conductivity, which account for 20~40% and 10~3…
View article: Untying the knot: A Fully Recyclable, Solvent-Free, Wide-Spectral Photocurable Thermoset Adhesive
Untying the knot: A Fully Recyclable, Solvent-Free, Wide-Spectral Photocurable Thermoset Adhesive Open
Adhesives are crucial in industries ranging from aerospace to consumer electronics, yet their reliance on non-recyclable polymers presents significant environmental and economic challenges. Despite progress in dynamic and reversible chemis…
View article: Structure–Property Relationships for Fluorinated and Fluorine-Free Superhydrophobic Crack-Free Coatings
Structure–Property Relationships for Fluorinated and Fluorine-Free Superhydrophobic Crack-Free Coatings Open
In this study, particle loading, polyfluorinated alkyl silanes (PFAS or FAS) content, superhydrophobicity, and crack formation for nanocomposite coatings created by the spray coating process were investigated. The formulations comprised hy…
View article: Accelerated Photocuring of Acrylate Resins with WS<sub>2</sub> Nanoparticles
Accelerated Photocuring of Acrylate Resins with WS<sub>2</sub> Nanoparticles Open
Radiation curing (photocuring) of thermosetting polymers, such as acrylate resins, is a common technology with diverse applications, such as in adhesives, coatings, advanced manufacturing, medical-related technologies, and more. Photocurin…
View article: Fully Recyclable Cured Polymers for Sustainable 3D Printing
Fully Recyclable Cured Polymers for Sustainable 3D Printing Open
The most prevalent materials used in the Additive Manufacturing era are polymers and plastics. Unfortunately, these materials are recognized for their negative environmental impact as they are primarily nonrecyclable, resulting in environm…
View article: The Mechanical Properties Relationship of Radiation-Cured Nanocomposites Based on Acrylates and Cationic Polymerized Epoxies and the Composition of Silane-Modified Tungsten Disulfide Nanoparticles
The Mechanical Properties Relationship of Radiation-Cured Nanocomposites Based on Acrylates and Cationic Polymerized Epoxies and the Composition of Silane-Modified Tungsten Disulfide Nanoparticles Open
The effect of semiconducting tungsten disulfide (WS2) nanoparticles (NPs), functionalized by either methacryloxy, glycidyl, vinyl, or amino silanes, has been studied in photocuring of acrylate and epoxy resins (the latter photocured accord…
View article: Tetra-Dentate Cycloaddition Catalysts for Rapid Photopolymerization Reactions
Tetra-Dentate Cycloaddition Catalysts for Rapid Photopolymerization Reactions Open
[4 + 4] and [2 + 2] cycloadditions are unique reactions since they form and deform cycloadducts under irradiation due to their inherent reversible nature. Whereas promising for the field of recycling, these reactions usually suffer from tw…
View article: Dynamic Wetting Properties of Silica-Poly (Acrylic Acid) Superhydrophilic Coatings
Dynamic Wetting Properties of Silica-Poly (Acrylic Acid) Superhydrophilic Coatings Open
Superhydrophilic coatings based on a hydrophilic silica nanoparticle suspension and Poly (acrylic acid) (PAA) were prepared by dip coating. Scanning Electron Microscopy (SEM) and Atomic Force Microscopy (AFM) were used to examine the morph…
View article: Cationically Polymerized Epoxy and Radiation-Cured Acrylate Blend Nanocomposites Based on WS2 Nanoparticles Part B: Mechanical and Physical Properties
Cationically Polymerized Epoxy and Radiation-Cured Acrylate Blend Nanocomposites Based on WS2 Nanoparticles Part B: Mechanical and Physical Properties Open
The radiation curing paradigm of opaque WS2 nanoparticle (NP)-based epoxy/acrylate nanocomposites was studied and found to exhibit both a reduction in viscosity and an enhanced degree of curing when incorporating WS2 NPs. The objective of …
View article: Cationic Polymerized Epoxy and Radiation Cured Acrylate Blend Nanocomposites Based on WS2 Nanoparticles—Part A: Curing Processes and Kinetics
Cationic Polymerized Epoxy and Radiation Cured Acrylate Blend Nanocomposites Based on WS2 Nanoparticles—Part A: Curing Processes and Kinetics Open
Cationic photo-initiated and polymerized epoxies are characterized by good adhesion, high modulus, zero volatiles, low shrinkage and living polymerization characteristics. Radiation—cured acrylate resins are characterized by rapid initial …
View article: Stretchable Conductive Tubular Composites Based on Braided Carbon Nanotube Yarns with an Elastomer Matrix
Stretchable Conductive Tubular Composites Based on Braided Carbon Nanotube Yarns with an Elastomer Matrix Open
We report an innovative approach to creating stretchable conductive materials composed of a tubular shell made from braided carbon nanotube yarns (CNTYs) embedded in an elastomeric matrix. For stretchable electronics, both mechanical prope…
View article: Wetting Characteristics of Nanosilica-Poly (acrylic acid) Transparent Anti-Fog Coatings
Wetting Characteristics of Nanosilica-Poly (acrylic acid) Transparent Anti-Fog Coatings Open
The effect of particle loading on the wetting properties of coatings was investigated by modifying a coating formulation based on hydrophilic silica nanoparticles and poly (acrylic acid) (PAA). Water contact angle (WCA) measurements were c…
View article: Mechanical behavior of stretchable conductive materials based on elastomeric core: experimental and theoretical simulation
Mechanical behavior of stretchable conductive materials based on elastomeric core: experimental and theoretical simulation Open
The mechanical behavior of braided carbon nanotube yarns (CNTYs) on an elastomeric core to produce stretchable conductive materials were theoretically modeled and experimentally studied under tension. The elastomeric core served as the str…
View article: Stretchable Conductive Materials Based On Braided Cnt Yarns On Elastomeric Core
Stretchable Conductive Materials Based On Braided Cnt Yarns On Elastomeric Core Open
The mechanical properties of braided carbon nanotube yarns (CNTYs) on an elastomeric core to produce stretchable conductive materials were modeled and studied under tension. The elastomeric core served as the stretchable spring and the CNT…
View article: Hybrid Sol–Gel Superhydrophobic Coatings Based on Alkyl Silane-Modified Nanosilica
Hybrid Sol–Gel Superhydrophobic Coatings Based on Alkyl Silane-Modified Nanosilica Open
Hybrid sol–gel superhydrophobic coatings based on alkyl silane-modified nanosilica were synthesized and studied. The hybrid coatings were synthesized using the classic Stöber process for producing hydrophilic silica nanoparticles (NPs) mod…
View article: Poly (Dimethylsiloxane) Coating for Repellency of Polar and Non-Polar Liquids
Poly (Dimethylsiloxane) Coating for Repellency of Polar and Non-Polar Liquids Open
The wettability of poly (dimethylsiloxane) (PDMS) coating on plasma-treated glass was studied at room temperature using polar and non-polar liquids. The wettability was investigated regarding the liquids’ surface tensions (STs), dielectric…
View article: Electrical Properties Enhancement of Carbon Nanotube Yarns by Cyclic Loading
Electrical Properties Enhancement of Carbon Nanotube Yarns by Cyclic Loading Open
Carbon nanotube yarns (CNTYs) possess low density, high conductivity, high strength, and moderate flexibility. These intrinsic properties allow them to be a preferred choice for use as conductive elements in high-performance composites. To…
View article: Polymers in the Medical Antiviral Front-Line
Polymers in the Medical Antiviral Front-Line Open
Antiviral polymers are part of a major campaign led by the scientific community in recent years. Facing this most demanding of campaigns, two main approaches have been undertaken by scientists. First, the classic approach involves the deve…
View article: Enhancement of mechanical and electrical properties of continuous-fiber-reinforced epoxy composites with stacked graphene
Enhancement of mechanical and electrical properties of continuous-fiber-reinforced epoxy composites with stacked graphene Open
Impregnation of expandable graphite (EG) after thermal treatment with an epoxy resin containing surface-active agents (SAAs) enhanced the intercalation of epoxy monomer between EG layers and led to further exfoliation of the graphite, resu…
View article: The effect of composition and thermodynamics on the surface morphology of durable superhydrophobic polymer coatings
The effect of composition and thermodynamics on the surface morphology of durable superhydrophobic polymer coatings Open
Durable superhydrophobic coatings were synthesized using a system of silica nanoparticles (NPs) to provide nanoscale roughness, fluorosilane to give hydrophobic chemistry, and three different polymer binders: urethane acrylate, ethyl 2-cya…
View article: Dielectric and Electrical Properties of WS<sub>2</sub> Nanotubes/Epoxy Composites and Their Use for Stress Monitoring of Structures
Dielectric and Electrical Properties of WS<sub>2</sub> Nanotubes/Epoxy Composites and Their Use for Stress Monitoring of Structures Open
The dielectric and electrical characteristics of the semiconductive WS 2 nanotubes/epoxy composites were studied as a function of the nanotubes concentration and the pressure applied during their molding. In addition, the ability of WS 2 n…