ACS Applied Polymer Materials is the new go-to journal for research into polymers’ properties and applications, complementing our already esteemed portfolio of journals covering fundamental polymer science like ACS Applied Polymer Science and Interfaces. Find out the best info about مستربچ.
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Mechanical Properties
Polymers often need specific mechanical properties for applications, including tensile strength, Young’s modulus, and gas permeability. To enhance these properties, research on nanostructured reinforcement fillers can significantly increase performance. A recent study reported that natural rubber composites with five parts polycarbonate fiber (PCF) per hundred parts rubber had twice as much elongation at break and four times Young’s modulus than neat rubber, suggesting PCF can serve as an effective reinforcing filler to boost polymer properties.
Biodegradable and renewable carbon materials will play a critical role in helping the plastics industry reduce its carbon footprint. One promising biodegradable and renewable material is poly(butylene xylosediglyoxylate) (PBX), produced from xylose-based polyester made with high yield from biomass’s hemicellulose fraction. PBX boasts strong thermomechanical properties like its 1.6GPa tensile modulus and glass transition temperature, barriers against water vapor and oxygen penetration, as well as good thermomechanical properties compared with its counterpart. However, its relatively brittle nature and 9.8% elongation at break make it very valuable.
ACS Applied Polymer Materials provides papers highlighting fundamental and applied polymer research. This journal complements ACS Applied Materials & Interfaces as well as other ACS publications devoted to bio-, energy–, nano-, and electronic-focused topics such as Bio Materials.
Thermal Properties
Polymers boast many valuable properties, from mechanical compliance and chemical stability to low thermal conductivity that limits their use in heat dissipation applications. Gel-spun ultrahigh molecular weight polyethylene (UHMW-PE) fibers have long been used as protective gear due to their superior mechanical strength; however, their intrinsic low thermal conductivity limits their use for this application. In this study, engineers engineered oriented segregated double-filler networks in UHMW-PE with improved thermal conductivity at lower filler concentrations while maintaining acceptable mechanical properties while increasing thermal conductivity while still meeting automated compliance and maintaining good mechanical properties at lower filler concentrations.
The authors created a unique method to accurately predict the thermal conductivity of crystalline polymers by quantifying intrinsic properties such as bond energy, backbone rotation, in-plane bond ratio, and atomic mass. Their findings provide an effective means of designing functional polymers with desired thermal conductivity as well as advancing understanding of thermal transport within these materials.
An ideal polymer for applications in electronic materials, such as circuit boards, is one with superior mechanical and electrical properties. To meet this need, the authors synthesized a copolymer of poly(vinyl chloride) and poly(ethylene terephthalate) with controlled morphology – this resulted in excellent electrical conductivity as well as great mechanical properties ideal for multifunctional electronic devices.
Energy-based binders, such as conventional nitrocellulose (NC), nitrated bacterial cellulose (NBC), and nitrate glycerol ether cellulose (NGEC) play an essential role in improving the mechanical properties of fuels. To gain an in-depth knowledge of their physical, chemical, and thermodynamic properties, scanning electron microscopy was employed along with X-ray diffraction analysis, Fourier transform infrared (FT-IR) spectroscopy, Raman spectroscopy, and X-ray photoelectron spectroscopy.
ACS Applied Polymer Materials is the latest journal from the ACS family to offer application-driven research within polymer science and engineering, complementing ACS Applied Materials & Interfaces as a source for polymer research findings and applications. ACS Applied Polymer Materials joins Chemistry of Materials, Langmuir, Biomacromolecules, ACS Macro Letters, and The Journal of Physical Chemistry B/C as sources for fundamental material discoveries.
Electrical Properties
The electrical properties of polymer materials have long been studied across disciplines in physics, chemistry, biology, and materials science. Polymers exhibit excellent insulation due to their repetitive structural units; furthermore, they resist radiation attacks, mechanical/thermal/climate stresses, and chemical attacks from extreme environments. Thermoplastic, thermoset, and elastomeric polymers are among the central insulation systems used in electric machines and equipment; however, these systems experience various degradation mechanisms or factors that cause aging of their intrinsic insulation properties and eventual failure [41].
Polyethylene is one of the most frequently used plastics found in household goods and electric insulation applications. Polyethylenes can be cross-linked into thermoset polymers to enhance their electrical properties through this process. Polyethylenes also withstand high temperatures well and can be processed under various conditions to achieve multiple properties – for instance, ethylene-acrylic acid copolymers can produce polyethylenes with low melting points, while ethylene-vinyl chloride and ethylene-vinyl butyral monomers have softer forms.
Polyimide is another electrical polymer with excellent electrical conductivity properties that can be cured into non-porous materials that withstand high voltages and temperatures, including silicone compounds or replacing the acetylene group with the hydroxyl group of NMP (methyl pyrrolidone). Curing polyimides requires adding either silicone compounds or replacing its acetylene group with that of NMP’s hydroxyl group; both procedures reduce moisture absorption while improving dielectric constant and resistance to oxidation.
Polymers pose numerous difficulties for electrical insulation systems due to their susceptibility to surface partial discharges, or “PD,” caused by contaminants and conductive paths within their insulation system. These discharges often appear in cable terminals, coil head rotary machines, and other contaminated insulators due to electric field components tangentially discharging discharges imperfection-generated clusters of space charge causing damage.
Polymers’ electrical performance depends on their chemical composition, structure, and processing. Understanding relationships among structure, morphology, chemistry, and properties is vital in creating functional polymers for particular applications. At ACS Applied Polymer Materials, we publish research related to designing, developing, and fabricating novel polymers that address challenges associated with energy storage, conversion, and separations of membrane adhesives, censoring adaptive reconfigurable materials, and nanocomposites.
Chemical Properties
ACS Applied Polymer Materials publishes fundamental and applied research in polymers, as well as novel methods of their synthesis. The journal seeks contributions that address relationships among structure, processing, morphology, chemistry, and properties and insights critical to polymer performance for essential applications such as energy storage and conversion; separations, membranes, adhesives, functional coatings, sensing, adaptive reconfigurable materials, electronics; photonics; biomaterials and nanocomposites – among other applications.
ACS Polymer Sciences’ journal ACS Applied Polymer Materials is an integral part of its portfolio, complementing existing journals in fundamental materials science such as ACS Applied Materials & Interfaces, ACS Macromolecules Langmuir, and Journal of Physical Chemistry B/C. As with other ACS publications, ACS Applied Polymer Materials strives to support researchers by providing them with superior peer review processes, fast turnaround times, and free access to their work.
ACS Applied Polymer Materials is part of cOAlition S, an international consortium of funders collaborating to transition all articles published by this journal to 100% open access by December 2024. If your funding body has joined, fully open access will become available starting that month.
