Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Răzvan Rotaru"'
Publikováno v:
Inorganics, Vol 12, Iss 8, p 213 (2024)
This work describes the synthesis of a polysilane (PSH)–barium titanate (BT) ferroelectric polymer composite that keeps stable in the presence of ultraviolet light (UV). To evaluate the stability in the presence of UV radiation and the mechanism of
Externí odkaz:
https://doaj.org/article/5515dfcfebee46ae9f37aed7fcf85a5b
Publikováno v:
Polymers, Vol 16, Iss 16, p 2363 (2024)
This paper investigates the effects of ultrasonication on cellulose microparticles in different conditions. FTIR (Fourier transformed infrared spectrometry) and XRD (X-ray diffraction) analyses were used to compare the changes in the cellulose micros
Externí odkaz:
https://doaj.org/article/a6ed91d15eef48b5be751d1cbffda16a
Autor:
Maria Emiliana Fortună, Maria Ignat, Niţă Tudorachi, Elena Ungureanu, Răzvan Rotaru, Valeria Harabagiu
Publikováno v:
Inorganics, Vol 12, Iss 4, p 118 (2024)
Hybrid siloxane materials based on a mutually reactive epoxy–amine system are organic-inorganic hybrid materials synthesized via the sol–gel reaction of siloxane precursors, followed by the polymerization of organo-functionalized oligosiloxanes.
Externí odkaz:
https://doaj.org/article/d3b7e50471c644b093d635d7a2a5f653
Autor:
Maria E. Fortună, Elena Ungureanu, Răzvan Rotaru, Alexandra Bargan, Ovidiu C. Ungureanu, Carmen O. Brezuleanu, Valeria Harabagiu
Publikováno v:
Polymers, Vol 15, Iss 24, p 4731 (2023)
In this paper, the synthesis and characterization of two polycaprolactone-polydimethylsiloxane (PDMS-CL) copolymers with biodegradable properties are reported. A comparative study was carried out using an aminopropyl-terminated polydimethylsiloxane m
Externí odkaz:
https://doaj.org/article/02dbe9292ab14ad48deb4ea93512e30d
Autor:
Elena Ungureanu, Maria E. Fortună, Denis C. Țopa, Carmen O. Brezuleanu, Vlad I. Ungureanu, Ciprian Chiruță, Razvan Rotaru, Bogdan M. Tofanica, Valentin I. Popa, Doina C. Jităreanu
Publikováno v:
Polymers, Vol 15, Iss 18, p 3794 (2023)
Given the predominantly negative impact of heavy metals on living organisms, the present study proposed to evaluate the adsorption performances under static conditions of Cd (II) from aqueous solutions on unmodified Sarkanda grass lignin compared to
Externí odkaz:
https://doaj.org/article/2d4af86ee90d4a5ca40d3507c48a8fdb