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eXPRESS Polymer Letters
Scopus
ISSN 1788-618X · Budapest University of Technology and Economics · 1.961 artikel di indeks
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Artikel Jurnal
Rheological stability as the missing criterion in HDPE circularity: A critical review and a new decision framework
The greatest obstacle to recycling post-consumer high-density polyethylene (PCR-HDPE) is typically the degradation of properties caused by impurities and heterogeneity. However, a critical analysis of the literature reveals that the real bottleneck is not the material composition, but rather…
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Artikel Jurnal
Synergistic enhancement of properties in FDM-printed PLA composites with KH570-modified SiO2 and CPE-PEG
To improve the toughness, thermal stability, and melt processability of polylactic acid (PLA), this study introduced chlorinated polyethylene-polyethylene glycol (CPE-PEG, 10 wt%) into the PLA matrix and investigated the effect of the content of nano-SiO2 surface-modified with the silane coupling…
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Improving tensile toughness of poly(lactic acid) and castor oil derivatives eco-blends via morphological regulation
Poly(lactic acid) (PLA) has attracted much attention and shows promising applications in numerous fields. In this study, PLA was plasticized using bio-based castor oil derivatives - hydrogenated castor oil (HCO) and castor oil glycidyl ether (COGE). These eco-blends were measured using a Fourier…
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Artikel Jurnal
Multilayer graphene-modified TPU nanocomposites: Superior wear resistance and friction reduction at ultra-low filler content
This work presents the development of high-performance thermoplastic polyurethane (TPU) nanocomposites reinforced with low contents of multilayer graphene (mG), aiming to improve their tribological behavior. Using twin-screw extrusion followed by hot pressing, nanocomposites containing 0.1, 0.25…
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Artikel Jurnal
One-step ultra-fast production of millifluidic devices: Technical proof-of-concept
Microfluidic and millifluidic systems are increasingly used for chemical and biological analysis. Thermoplastic polymers offer a practical alternative to glass and silicon. They are inexpensive, easy to shape, and suitable for disposable devices. However, most polymer microfluidic chips are still…
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Antibacterial chitosan-reinforced poly(vinyl alcohol) fibers produced via wet-spinning: Structural, thermal, mechanical, and antimicrobial properties relevant for biomedical use
Growing interest in natural and eco-friendly materials has driven the search for sustainable alternatives to synthetic antimicrobial agents. This study aims to develop antibacterial fibers based on poly(vinyl alcohol) (PVA) reinforced with chitosan (CTS) using an environmentally friendly…
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Effect of stacking layouts and water absorption on impact resistance of natural fabrics reinforced hybrid composites
Natural fiber-reinforced composites, whose use is increasing daily in the building, automotive, and aerospace industries, are subjected to low-velocity impact loads in indoor applications. In most impact-exposed applications, increasing impact resistance through the hybrid use of different natural…
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Polymer membranes based on poly(vinyl chloride) containing deep eutectic solvents as efficient adsorbents of toxic chromium(VI) ions
A new application of polymer membranes has been developed for the effective removal of toxic chromium(VI) ions from aqueous solutions by modifying poly(vinyl chloride) films. The process involved preparing deep eutectic solvents (DESs) composed of choline chloride and glycerol at molar ratios of…
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Preliminary studies of soy meal additives for use in polypropylene wood composites
We have discovered that water-insoluble proteins (IM) isolated from whole soy meal (WM) have the capacity to improve the thermal stability of polypropylene (PP) wood composites without negatively impacting mechanical properties. We compared an undiluted composite to composites diluted with 5% by…
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Artikel Jurnal
Tiny but toxic: A comprehensive review of cigarette butt pollution, its environmental effects, and potential applications
Cigarette butts (CBs) are among the most abundant forms of anthropogenic litter worldwide and constitute a persistent source of environmental contamination due to their slow degradation and the release of toxic substances into terrestrial and aquatic ecosystems. This review critically evaluates…
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Artikel Jurnal
The effects of condensed-mode operation on the polymerization, morphology and properties of high-impact ethylene–propylene copolymers
Elastomeric ethylene–propylene copolymer (EPC) content is a decisive factor in the impact performance of multiphase polypropylene (PP) impact copolymers (ICPs). However, producing PP ICPs with high EPC content remains challenging because increasing EPC content raises powder stickiness, potentially…
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Artikel Jurnal
From ground tire rubber to thermoplastic dynamic vulcanizates: Tailoring high-recycled-content TPU compounds by devulcanization and dynamic vulcanization
The virgin polymer content of thermoplastic polyurethane (TPU) can be reduced with the use of recycled tire rubber, but blend properties strongly depend on the structure of the rubber phase. In this study, we compared TPU-based compounds containing ground tire rubber (GTR), devulcanized GTR (dGTR)…
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Artikel Jurnal
Functionalization of aramid/polypropylene composite membranes with chitosan-magnetite nanocomposites for superior performance
We developed nanomaterial-functionalized composite membranes (APM-1 to APM-3) using aramid fabric enclosed between two isotactic polypropylene (PP) layers. Membranes were created and porosity was produced within the structure by thermally induced phase separation (TIPS). The embedded nanomaterials…
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A crosslinked polyeugenol-based polymer inclusion membrane for the selective removal of malachite green from metal-containing wastewater
Malachite green (MG) requires selective separation from complex wastewater matrices containing coexisting metal ions. In this study, we developed a process-engineered polymer inclusion membrane (PIM) incorporating a crosslinked bio-based carrier, polyeugenol–bisphenol A diglycidyl ether (Poly-BADGE…
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Prediction of process-induced deformation of CFRP laminates considering interfacial interaction
During the manufacturing of carbon fiber–reinforced plastic laminates (CFRPLs), incompatible residual strain leads to the problem of slippage interaction at the interface between the mold and the resin. Interfacial slippage between the mold and the resin is a key factor governing the dimensional…
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Artikel Jurnal
Investigation of the physical and mechanical properties of poly(vinyl alcohol) cryogels filled with poly(3-hydroxybutyrate) microparticles
A key challenge in soft tissue engineering is developing biocompatible scaffolds with tunable stiffness and controlled degradation. Composite cryogels combining a porous polymer network, reinforcing microparticles, and encapsulation capacity address this challenge. In this study, we prepared…
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Artikel Jurnal
Design and construction of a hierarchically structured F-SiO2/PVDF microporous membrane with tunable superficial properties for enhanced protein adsorption
Controlling the surface properties of poly(vinylidene fluoride) (PVDF), especially its hydrophilicity and hydrophobicity, is a challenging research area with high application potential. We successfully fabricated a PVDF microporous membrane for efficient protein adsorption via a bulk modification…
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