Zobrazeno 1 - 10
of 314
pro vyhledávání: '"Béla Pukánszky"'
Publikováno v:
Heliyon, Vol 10, Iss 20, Pp e38935- (2024)
Electrospun fibers prepared from water-soluble polymers (PVP, PVA, and HPMC) were loaded with pregabalin, a BCS I drug, to address its fast release and adverse effects. The drug dissolved partially (1.8–2.8 wt%) in the polymers, with excess pregaba
Externí odkaz:
https://doaj.org/article/3ff24042f8be407ab7fa73d95420d3fb
Autor:
Milán Ferdinánd, Michael Jerabek, Róbert Várdai, Emese Pregi, Thomas Lummerstorfer, Markus Gahleitner, Gábor Faludi, János Móczó, Béla Pukánszky
Publikováno v:
eXPRESS Polymer Letters, Vol 18, Iss 4, Pp 406-419 (2024)
The impact resistance of four polypropylene impact copolymers (ICPs) with multi-phase structures and widely differing characteristics was related to their structure. Blends were prepared from one of them and a high-density polyethylene (HDPE) to impr
Externí odkaz:
https://doaj.org/article/804c98fffa9e4be5a844514d2282c553
Autor:
Milán Ferdinánd, Róbert Várdai, Thomas Lummerstorfer, Claudia Pretschuh, Markus Gahleitner, János Móczó, Béla Pukánszky
Publikováno v:
eXPRESS Polymer Letters, Vol 17, Iss 8, Pp 837-849 (2023)
Polypropylene (PP) hybrid composites were prepared with talc, a reinforcing filler, and an additional impact modifier. Impact resistance was improved by the use of a traditional elastomer and by the new approach of adding a synthetic polymer fiber, p
Externí odkaz:
https://doaj.org/article/87ba2a570c014198a83ff72051dca208
Publikováno v:
Polymer Testing, Vol 117, Iss , Pp 107840- (2023)
Polypropylene composites were prepared with a new, commercially available hybrid nanofiller and talc as a reference. The detailed analysis of the nanofiller proved that its two components are sepiolite and possibly laponite and that it was surface co
Externí odkaz:
https://doaj.org/article/effd829165a343f7bd4df23a36c406be
Publikováno v:
Materials & Design, Vol 220, Iss , Pp 110833- (2022)
Flax and lignin were used to prepare hybrid polypropylene composites. The lignin contents were varied between 0 and 50 vol%, while the amounts of flax used were 0, 10, 20, and 30 vol%. The components were homogenized in a twin-screw compounder and th
Externí odkaz:
https://doaj.org/article/9ca5904649f5445b8dd555526e5f6762
Levocetirizine-Loaded Electrospun Fibers from Water-Soluble Polymers: Encapsulation and Drug Release
Publikováno v:
Molecules, Vol 28, Iss 10, p 4188 (2023)
Electrospun fibers containing levocetirizine, a BCS III drug, were prepared from three water-soluble polymers, hydroxypropyl methylcellulose (HPMC), polyvinylpyrrolidone (PVP) and polyvinyl alcohol (PVA). Fiber-spinning technology was optimized for e
Externí odkaz:
https://doaj.org/article/56edef0d36e448718dee6421d7d74386
Autor:
András Németh, Béla Pukánszky
Publikováno v:
Espacio, Tiempo y Educación, Vol 7, Iss 2, Pp 157-176 (2020)
Since the end of the 19th century, the modernisation processes of urbanisation and industrialisation taking place in Europe and the transatlantic regions have changed not only the natural environment but also social and geographical relations. The em
Externí odkaz:
https://doaj.org/article/6c12c70b2a70478c9d0b871d44117593
Publikováno v:
Molecules, Vol 28, Iss 3, p 1011 (2023)
Dry grape peel powder was extracted by three different techniques, stirred tank reactor, Soxhlet and ultrasound extraction. The composition, physical and chemical structure and inherent stability of the extracts were characterized by various methods.
Externí odkaz:
https://doaj.org/article/e285c74d6af24d19a711b8986a2fc50a
Publikováno v:
Materials & Design, Vol 206, Iss , Pp 109774- (2021)
PLA/regenerated cellulose (RC) nanocomposites containing 0.5, 1.0, 1.5, 2.0, 3.0 and 5.0 wt% cellulose were prepared by the Pickering emulsion process. The structure and the rheological properties of the composites were characterized by microscopy, t
Externí odkaz:
https://doaj.org/article/6a6653b816a74dc39153a439caaf2101
Publikováno v:
Molecules, Vol 27, Iss 19, p 6423 (2022)
Biocomposites were prepared from poly(lactic acid) and two natural reinforcements, a native starch and sugarcane bagasse fibers. The strength of interfacial adhesion was estimated by model calculations, and local deformation processes were followed b
Externí odkaz:
https://doaj.org/article/ff91b68a3b4a4c3b822cc351c421de21