Search results for "Talc"

Oxidative degradation properties of Co-based catalysts in the presence of ozone

2007

Four series of cobalt-based catalysts, such as bare Co3O4 and CoO, CoOx-CeO2 mixed oxides, CoOx supported over alumina and alumina-baria and CoMgAl and CoNiAl hydrotalcites have been synthesized and investigated for the oxidative degradation of phenol in the presence of ozone. Characterizations were obtained by several techniques in order to investigate the nature of cobalt species and their morphological properties, depending on the system. Analyses by XRD, BET, TPR, UV-visible diffuse reflectance spectroscopy and TG/DT were performed. The CoNiAl hydrotalcite exhibits, after 4 h of reaction, the highest phenol ozonation activity followed by Co(3 wt%)/Al2O3-BaO and CoMgAl. The samples Co(1 …

Uso di idrotalciti in compositi a matrice PLA preparati nel fuso

2012

On the use of hydrotalcite in PLA based composites

2012

Nuevas pinturas europeas en el MOBAT (Chile)

2018

El MOBAT es uno de los espacios culturales más significados de Chile, por la historia que envuelve su emblemático edificio como por la cantidad y calidad de obras artísticas y piezas históricas que atesora. Sin embargo, desde el terremoto de 2010, permanece cerrado al público y pendiente de ser restaurado y rehabilitado. En este trabajo completamos otros estudios anteriormente publicados sobre la colección de pintura europea que el museo alberga entre sus muros. The MOBAT is one of the most significant cultural spaces in Chile, due to the history that surrounds its emblematic building as well as the quantity and quality of artistic works and historical pieces that it treasures. However, sin…

Thermoanalytical study of nucleating effects in polypropylene composites

1996

Interfacial structure plays an important role in the performance of polypropylene composites. Transcrystalline interfacial layer were determined in talc filled polypropylene. The crystallization and melting behaviour of talc and CaCC3 filled polypropylene could be modified with smaller amount of additives like elastomer and surfactants. Through the effect of these additives the structure of interface and the degree of crystallinity could be controlled in filled polypropylene.

Biodiversity and oenological attitude of Saccharomyces cerevisiae strains isolated in the Montalcino district: biodiversity of S. cerevisiae strains …

2020

ABSTRACT The biodiversity of Saccharomyces cerevisiae was studied in the Montalcino area (Italy). Two wineries were involved in the study, which compared the genotypic and oenological characteristics of the S. cerevisiae strains isolated in spontaneous fermentations. After isolation yeasts were identified by 26S rRNA gene sequence analysis, and S. cerevisiae strains were characterized through interdelta sequence analysis (ISA). Oenological tests were performed in synthetic grape must by varying the magnitude of the main wine-imiting factors. The evolution of alcoholic fermentation was monitored by measuring sugar consumption and flow cytometry. The results revealed the prevalence of S. cere…

Storytelling digitale. La produzione audiovisiva 4.0

2021

A critical map on the universe of digital storytelling with a focus on the international production and another on the Italian one.

Video, piattaforme e investimenti

2017

L'importanza delle piattaforme nella distribuzione dei video digitali App come Jaunt, Blackpills e Inception stanno diventando il fulcro del mercato dei contenuti audiovisivi digitali: realtà virtuale, realtà aumentata, webserie etc.

TERAPIA CON SURFACTANTE PER VIA AEROSOLICA NELL’INALAZIONE DA BOROTALCO

2009

Structural Characterisation of Complex Layered Double Hydroxides and TGA-GC-MS Study on Thermal Response and Carbonate Contamination in Nitrate- and …

2015

Layered double hydroxides (LDHs) are versatile materials used for intercalating bioactive molecules in the fields of pharmaceuticals, nutraceuticals and cosmetics, with the purpose of protecting them from degradation, enhancing their water solubility to increase bioavailability and improving their pharmacokinetic properties and formulation stability. Moreover, LDHs are used in various technological applications to improve stability and processability. The crystal chemistry of hydrotalcite-like compounds was investigated by X-ray powder diffraction (XRPD), automated electron diffraction tomography (ADT) and thermogravimetric analysis (TGA)-GC-MS to shed light on the mechanisms involved in io…