Estudo da formação de ligações cruzadas por irradiação gama em membranas híbridas de Polissulfona Bisfenol-A e sílica precipitada Study of cross-linking reactions induced by gamma rays in hybrid membranes of Bisphenol-A-Polysulfone and precipitated silica

Autor: Acácio Antonio M. Furtado Filho, Aílton de S. Gomes, Léa Lopes, Márcia R. Benzi

Publikováno v: Polímeros, Vol 21, Iss 2, Pp 137-142 (2011)

No presente trabalho a polissulfona bisfenol-A (PSU) foi sulfonada com o agente de sulfonação trimetil silil cloro sulfônico [(CH3)3SiSO3Cl], em solução homogênea de dicloroetano. A reação de sulfonação foi confirmada por titulação ácido

Externí odkaz: https://doaj.org/article/f88196b4185e4f96ae0bc001713aaa7b

Miscibility of PET/PC Blends Induced by Cobalt Complexes

Autor: Luis C. Mendes, Márcia R. Benzi, Alexey M. Giornes, Alexandre F. Cordeiro, Marcos L. Dias

Publikováno v: International Journal of Polymeric Materials and Polymeric Biomaterials. 56:257-272

Amorphous miscible PET/PC copolymers were prepared by blending the two constituent blend homopolymers at 50/50 wt% proportion in presence of cobalt acetylacetonate II and III (0.05 and 0.1 wt%) in the molten state. The reaction products were evaluate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::99cc2573a2d54966722ca1916ac33816
https://doi.org/10.1080/00914030600812491

Determination of degree of conversion as a function of depth of a photo-initiated dental restoration composite—III application to commercial Prodigy Condensable™

Autor: Mauro Sayão de Miranda, Márcia R. Benzi, Luis C. Mendes, Andrea D. Tedesco, Beatriz S. Chagas

Publikováno v: Polymer Testing. 24:963-968

In this third work, we evaluated the degree of conversion (DC) versus depth of dental filling composite named Prodigy Condensable™ using infrared spectroscopy. Confirming previous results, there was a gradual reduction of DC with increasing depth b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::72276956f8151532b56e8e020fe8b0b9
https://doi.org/10.1016/j.polymertesting.2005.08.006

Study of adsorption of nonionic surfactants at the liquid-solid interface by FTIR/CIR

Autor: Claudia R. E. Mansur, Elizabete F. Lucas, Márcia R. Benzi

Publikováno v: Journal of Applied Polymer Science. 82:1668-1676

Fourier transform infrared spectroscopy (FTIR), using the attenuated total reflectance (ATR) method, can be used to characterize the interface of a system. We investigated the adsorption at the liquid–solid interface of nonionic surfactant aqueous

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6da61e2a278f8c46e54c404bc7bca849
https://doi.org/10.1002/app.2007

Dual-curing, self-adhesive resin cement: influence of the polymerization modes on the degree of conversion and microhardness

Autor: Márcia R. Benzi, Irma Cunha Matos, Mauro Sayão de Miranda, Luis C. Mendes

Publikováno v: Materials Research v.13 n.2 2010
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Materials Research, Vol 13, Iss 2, Pp 171-176 (2010)
Materials Research, Volume: 13, Issue: 2, Pages: 171-176, Published: JUN 2010

RelyX TM Unicem, dual-curing self-adhesive resin cement, was tested in order to evaluate the degree of conversion (DC) and Vickers microhardness (VMH). The specimens were prepared into 4 groups (GR). For GR1, the specimens were irradiated with 500 mW

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50c070407762a92b4fb84ef0e7265750
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392010000200009