Zobrazeno 1 - 10
of 97
pro vyhledávání: '"Mariana Cristea"'
Autor:
Marta Musioł, Joanna Rydz, Henryk Janeczek, Jacek Andrzejewski, Mariana Cristea, Krzysztof Musioł, Marian Kampik, Marek Kowalczuk
Publikováno v:
Polymers, Vol 16, Iss 16, p 2331 (2024)
Interesting alternatives to expensive biodegradable polymers are their composites with natural fillers. The addition of biochar to a blend of poly(lactic acid) (PLA) and poly(3-hydroxybutyrate-co-4-hydroxybutyrate) was studied, and the resulting mate
Externí odkaz:
https://doaj.org/article/e0002a7edb2541929eabcb3b0fd00bec
Autor:
Maria Staszczak, Leszek Urbański, Arkadiusz Gradys, Mariana Cristea, Elżbieta Alicja Pieczyska
Publikováno v:
Polymers, Vol 16, Iss 13, p 1930 (2024)
Thermoresponsive shape memory polymers (SMPs) have garnered increasing interest for their exceptional ability to retain a temporary shape and recover the original configuration through temperature changes, making them promising in various application
Externí odkaz:
https://doaj.org/article/b895d43761cf47f5b9a3e719644567ff
Autor:
Mana Nabavian Kalat, Maria Staszczak, Leszek Urbański, Carlos Polvorinos-Fernández, Carlos Aguilar Vega, Mariana Cristea, Daniela Ionita, Andrés Díaz Lantada, Elżbieta A. Pieczyska
Publikováno v:
Materials & Design, Vol 233, Iss , Pp 112263- (2023)
4D printing is the additive manufacturing (3D printing) of objects that can transform their shape in a controlled and predictable way when subjected to external stimuli. A thermo-responsive shape memory polymer (SMP) is a highly suitable material to
Externí odkaz:
https://doaj.org/article/57d1074be4bc4e12a0540120d8fad3b4
Autor:
Daniela Ionita, Mariana Cristea, Ion Sava, Maria-Cristina Popescu, Marius Dobromir, Bogdan C. Simionescu
Publikováno v:
Materials, Vol 17, Iss 3, p 753 (2024)
Cobalt(II) chloride (CoCl2) being in the vicinity of polyimide chains entails modifications in terms of the molecular dynamics, which are mainly governed by the possible presence of amic acid residual groups, by the transition-metal-type characterist
Externí odkaz:
https://doaj.org/article/2f8ffd88fdff4a83b1cda06f693033e3
Publikováno v:
Polymers, Vol 16, Iss 2, p 219 (2024)
Thermoresponsive shape memory polymers (SMPs) with the remarkable ability to remember a temporary shape and recover their original one using temperature have been gaining more and more attention in a wide range of applications. Traditionally, SMPs ar
Externí odkaz:
https://doaj.org/article/094b8d3cf16e4a669ec460aa6ea8cdc0
Publikováno v:
Polymers, Vol 15, Iss 19, p 4028 (2023)
The present work is focused on polyester resins obtained from the diglycidyl ether of bisphenol A and anthracene modified 5-maleimidoisophthalic acid. Because the maleimide-anthracene Diels–Alder (DA) adduct is stable at high temperatures, it is co
Externí odkaz:
https://doaj.org/article/cda234e2306d420e944872bf01d198b4
Autor:
Daniela Ionita, Mariana Cristea, Susana Felicia Cosmulescu, Georgeta Predeanu, Valeria Harabagiu, Petrisor Samoila
Publikováno v:
Polymers, Vol 15, Iss 9, p 2100 (2023)
Woody lignocellulosic biomasses comprise the non-edible parts of fruit trees. In recent years, the exploitation of this biomass has been widening in order to mitigate environmental issues. At the same time, this waste could be transformed into a valu
Externí odkaz:
https://doaj.org/article/8356b416e98649c8aca9181aa6239ab4
Autor:
Cerasela-Ionela Cleminte, Daniela Ionita, Cătălin Lisa, Mariana Cristea, Ioan Mamaligă, Gabriela Lisa
Publikováno v:
Materials, Vol 15, Iss 20, p 7376 (2022)
Caffeine and theophylline are compounds with important applications in the pharmaceutical industry and other fields of the chemical industry. These purine derivatives have simple chemical structures, therefore, the evaluation of their sublimation pro
Externí odkaz:
https://doaj.org/article/2bff085f02ae470e853b0e0389fe7e72
Autor:
Cristian Peptu, Alexandra-Diana Diaconu, Maricel Danu, Catalina A. Peptu, Mariana Cristea, Valeria Harabagiu
Publikováno v:
Gels, Vol 8, Iss 6, p 348 (2022)
The influence of the hydroxyl groups (OH) type on the polyaddition processes of isocyanates represents a critical approach for the design of multicomponent polyurethane systems. Herein, to prove the effect of hydroxyl nature on both the isocyanate-OH
Externí odkaz:
https://doaj.org/article/f5c21e544a6e4131a6bf1d1c962b64c9
Publikováno v:
Materials, Vol 13, Iss 22, p 5302 (2020)
Interest in renewable polymers increased exponentially in the last decade and in this context poly(lactic acid) (PLA) became the leader mainly for practical reasons. Nevertheless, it is outstanding also from a scientific point of view, because its th
Externí odkaz:
https://doaj.org/article/8540b3a735924edc919385075fa56339