Zobrazeno 1 - 10
of 112
pro vyhledávání: '"Janusz Datta"'
Publikováno v:
International Journal of Molecular Sciences, Vol 25, Iss 10, p 5512 (2024)
Polyurethanes are among the most significant types of polymers in development; these materials are used to produce construction products intended for work in various conditions. Nowadays, it is important to develop methods for fire load reduction by
Externí odkaz:
https://doaj.org/article/df08a89c5ccd4263aaa09e76b503c694
Publikováno v:
Materials, Vol 17, Iss 1, p 62 (2023)
Chemical recycling of polyurethanes can be realized in several different ways, but the most important methods are glycolysis and glycerolysis. Both methods permit recovery of polyols (when the process is realized with the mass excess of depolymerizin
Externí odkaz:
https://doaj.org/article/f58cc9d8174c4607b1b554d803abc872
Publikováno v:
Arabian Journal of Chemistry, Vol 13, Iss 1, Pp 2110-2120 (2020)
We are utilizing a new method to improve the dielectric properties of a conventional polymer using a recycled polymer product. The polyurethane foams are recycled by glycolysis process and the derived material was applied to improve the dielectric pr
Externí odkaz:
https://doaj.org/article/9e1e165a9e92408795a8e36e2bf1189d
Publikováno v:
International Journal of Molecular Sciences, Vol 22, Iss 22, p 12207 (2021)
This study concerns bio-based urethane prepolymers. The relationship between the chemical structure and the thermal and processing parameters of bio-based isocyanate-terminated ether and ester-urethane prepolymers was investigated. Bio-based prepolym
Externí odkaz:
https://doaj.org/article/b3954273685c433497dd0c4c194d56e7
Publikováno v:
International Journal of Molecular Sciences, Vol 22, Iss 14, p 7438 (2021)
This study concerns green thermoplastic polyurethanes (TPU) obtained by controlling the chemical structure of flexible segments. Two types of bio-based polyether polyols—poly(trimethylene glycol)s—with average molecular weights ca. 1000 and 2700
Externí odkaz:
https://doaj.org/article/764c1957e9e741e1b36cec65a500814d
Autor:
Ana M. Borreguero, Irene Izarra, Ignacio Garrido, Patrycja J. Trzebiatowska, Janusz Datta, Ángel Serrano, Juan F. Rodríguez, Manuel Carmona
Publikováno v:
Applied Sciences, Vol 11, Iss 12, p 5370 (2021)
Polyurethane (PU) is one of the principal polymers in the global plastic market thanks to its versatility and continuous improvement. In this work, PU elastomeric materials having thermoregulating properties through the incorporation of microcapsules
Externí odkaz:
https://doaj.org/article/ddd82114dfa648afa6f7cf5e9eb2ff69
Publikováno v:
Materials, Vol 14, Iss 11, p 2699 (2021)
Phosphorus-containing polyol applications in polyurethane synthesis can prevent volatilization of flame retardants and their migration on the surface of a material. In this work, novel cast polyurethanes were prepared by a one-step method with the us
Externí odkaz:
https://doaj.org/article/15cc46b986c74678af9156f46f245aa9
Publikováno v:
Materials, Vol 14, Iss 9, p 2334 (2021)
Bio-based polymeric materials and green routes for their preparation are current issues of many research works. In this work, we used the diisocyanate mixture based on partially bio-based diisocyanate origin and typical petrochemical diisocyanate for
Externí odkaz:
https://doaj.org/article/9e0d98732bc24240a44cad7398c85fd0
Autor:
Joanna Niesiobędzka, Janusz Datta
Publikováno v:
Green Chemistry. 25:2482-2504
The manuscript presents the latest data on the market of isocyanates, methods for producing their eco-friendly substitutes and the toxicity of the phosgene used in isocyanate production.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca9518c1b9e9526645f4f9358b3dedf2
https://doi.org/10.1039/d2gc04644j
https://doi.org/10.1039/d2gc04644j
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 147:13329-13339
Non-isocyanate polyurethanes (NIPUs) constitute one of the most prospective groups of eco-friendly materials based on their phosgene-free synthesis pathway. Moreover, one of the steps of their obtaining includes the use of carbon dioxide (CO2), which
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d91f7e493611b11125d63b39beb5322d
https://doi.org/10.1007/s10973-022-11679-9
https://doi.org/10.1007/s10973-022-11679-9