Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Wiesław Frącz"'
Publikováno v:
Materials, Vol 17, Iss 18, p 4528 (2024)
In this work, a laminate based on bioresin and natural fibers was produced. Flax fabric was selected as the natural fiber. The biocomposite was subjected to strength tests. Stress–strain characteristics and strength indicators were determined. The
Externí odkaz:
https://doaj.org/article/f5119783ee2f4e9593df2221458854bc
Autor:
Beata Krzykowska, Łukasz Uram, Wiesław Frącz, Miroslava Kovářová, Vladimir Sedlařík, Dominika Hanusova, Maciej Kisiel, Joanna Paciorek-Sadowska, Marcin Borowicz, Iwona Zarzyka
Publikováno v:
Polymers, Vol 16, Iss 18, p 2681 (2024)
In the present work, hybrid nanobiocomposites based on poly(3-hydroxybutyrate), P3HB, with the use of aromatic linear polyurethane as modifier and organic nanoclay, Cloisite 30B, as a nanofiller were produced. The aromatic linear polyurethane (PU) wa
Externí odkaz:
https://doaj.org/article/a3c57a291de440209153496f0ed5d3b3
Autor:
Wiesław Frącz, Andrzej Pacana, Dominika Siwiec, Grzegorz Janowski, Łukasz Bąk, Paulina Szawara
Publikováno v:
Materials, Vol 17, Iss 12, p 2955 (2024)
This study involved the optimization of the molded pieces manufacturing process from a poly-3-hydroxybutyrate-co-3-hydroxyvalerate biocomposite containing 30% wood flour by mass. The amount of wood flour and preliminary processing parameters were det
Externí odkaz:
https://doaj.org/article/0147e425cba74774b11fe1ab6750f6dd
Publikováno v:
Journal of Composites Science, Vol 7, Iss 12, p 509 (2023)
In this study, polymer biocomposites based on poly(3-hydroxybutyrate-co-3-hydroxyvalerate) PHBV biopolymers with Arbocel C350 SR wood fiber filler with mass contents of 15%, 30%, and 45% were described. Samples for testing were produced using the inj
Externí odkaz:
https://doaj.org/article/0f1e04ab552e46449f0b848a665702a5
Publikováno v:
Materials, Vol 17, Iss 1, p 55 (2023)
An important issue addressed in research on the assessment of the quality of polymer products is the quality of the polymer material itself and, in accordance with the idea of waste-free management, the impact of its repeated processing on its proper
Externí odkaz:
https://doaj.org/article/6098c6d3855647ffbf0e5bb0bda9774e
Publikováno v:
Polymers, Vol 14, Iss 24, p 5370 (2022)
The paper presents a comparative analysis of two extrusion methods of biocomposites with a poly(3-hydroxybutyrate-co-3-hydroxyvalerate acid) (PHBV) matrix filled with flax and hemp fibers in terms of biopolymer production, its processing in the furth
Externí odkaz:
https://doaj.org/article/3fe1e45b7fdb4e4e8278363312b9a956
Publikováno v:
Materials, Vol 15, Iss 21, p 7531 (2022)
This paper aims to experimentally determine the properties of the poly [(3-hydroxybutyrate)-co-(3-hydroxyvalerate)]—(PHBV)—30% hemp fiber biocomposite, which is important in terms of numerical simulations of product manufacturing, and to evaluate
Externí odkaz:
https://doaj.org/article/a24127bcf5074e9ba2edc65d336e8fcd
Publikováno v:
Polymers, Vol 13, Iss 22, p 3934 (2021)
This work is inspired by the current European policies that aim to reduce plastic waste. This is especially true of the packaging industry. The biocomposites developed in the work belong to the group of environmentally friendly plastics that can redu
Externí odkaz:
https://doaj.org/article/1ba9c03ff61041498228a6c476264593
Publikováno v:
Applied Computer Science, Vol 13, Iss 4, Pp 65-75 (2017)
In this work the calculations for predicting the properties of wood fiber mats – polyester resin composite using numerical homogenization method were performed. For this purpose, the microstructural strength properties were calculated using DIGIMAT
Externí odkaz:
https://doaj.org/article/b0a715e2512a407582a46311e79843e9
Publikováno v:
Polymers, Vol 13, Iss 17, p 2942 (2021)
In order to determine the structure homogeneity of biocomposites filled with fibers, as well as the evaluation of fibers’ arrangement and their orientation on the sample cross-section at varied injection rates, a study was conducted using computed
Externí odkaz:
https://doaj.org/article/1e981fb3f83a4adba2ee8d234c5e82de