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Autor:
Ion Anghel, Dana-Maria Preda, Corneliu Hamciuc, Tachita Vlad-Bubulac, Ioana-Emilia Şofran, Diana Serbezeanu, Elena Hamciuc, Gabriela Lisa
Publikováno v:
Revista de Chimie. 72:13-21
The present study aimed to design macromolecular architectures having imide core in the main chain and bearing two 9,10-dihydro-oxa-10-phosphaphenanthrene-10-oxide heterocycles in the side chain of each structural units as a synergetic two components
Autor:
Tachita Vlad-Bubulac, Ionela-Daniela Carja, Diana Serbezeanu, Elena Hamciuc, Gabriela Lisa, Ion Anghel, Ioana-Emilia Şofran, Corneliu Hamciuc, Valentin Enciu
Publikováno v:
Journal of Polymer Engineering. 40:21-29
New fire-resistant thermosets are prepared based on a bisphenol A-epoxy resin which is thermally crosslinked in the presence of dicyandiamide and two phenols containing phosphorus atoms. The thermosets are characterized by Fourier transform infrared
Autor:
Elena Hamciuc, Mihai Asandulesa, Tachita Vlad-Bubulac, Corneliu Hamciuc, Stelian Vlad, Aleksandra Wolińska-Grabczyk
Publikováno v:
Polymer Testing. 52:94-103
Polyetherimide hybrid films containing 5–40% silica were prepared through a sol-gel process and thermal imidization by using methyltriethoxysilane as precursor of the inorganic network and a poly(amic acid) resulting from polycondensation reaction
Autor:
Elena Hamciuc, Ionela-Daniela Carja, Corneliu Hamciuc, Tachita Vlad-Bubulac, Gabriela Lisa, Diana Serbezeanu, Vicente Forrat Pérez
Publikováno v:
RSC Advances. 6:22764-22776
Advanced flame retardant epoxy resins, environmentally friendly, with different contents of a new oligophosphonate (PFR), were prepared using dicyandiamide as a hardener and 1,1-dimethyl-3-phenylurea as an accelerator. PFR, with a high phosphorus con
Autor:
Tachita Vlad-Bubulac, Ionela-Daniela Carja, Diana Serbezeanu, Corneliu Hamciuc, Gabriela Lisa
Publikováno v:
International Journal of Polymer Analysis and Characterization. 19:372-382
In this study, two new thermotropic liquid crystalline phosphorus-containing polymers were prepared by polycondensation reaction of 1,4-phenylene-bis((6-oxido-6H-dibenz[c,e][1,2]oxaphosphorinyl)carbinol) with two different phosphonic dichlorides, nam
Autor:
Tachita Vlad-Bubulac, Vicente Forrat Pérez, Ionela-Daniela Carja, Corneliu Hamciuc, Adina Coroaba, Gabriela Lisa, Diana Serbezeanu, Mónica Fuensanta Soriano, Maria Dolores Romero Sanchez, Celia Guillem Lopez
Publikováno v:
J. Mater. Chem. A. 2:16230-16241
Modification of epoxy resins with organophosphorus compounds, either as reactive co-reactants or additives, is the key to achieving non-flammable advanced epoxy materials. Herein, through a straightforward and cost-effective approach, epoxy thermoset
Autor:
Corneliu Hamciuc, Ionela-Daniela Carja, Angel M Lopez Buendia, Celia Guillem Lopez, Tachita Vlad-Bubulac, Valentina-Elena Musteata, Vicente Forrat Pérez, Diana Serbezeanu
Publikováno v:
Journal of Materials Science. 48:8520-8529
New flame retardant epoxy resins containing phosphorus and/or silicon atoms were prepared by the introduction into the epoxy chemical structure of 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) and/or of polydimethylsiloxane segments. The
Publikováno v:
Structural Chemistry. 24:1693-1703
Heteroaromatic polymers are considered to be high performance organic materials due to their unique and highly attractive properties, including outstanding thermal and mechanical resistance, that arise from their aromatic structure and strong interac