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Your search keyword '"Zaggia, Alessandro"' showing total 84 results
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84 results on '"Zaggia, Alessandro"'

1. Geometry, Between History and Shape Configuration

Author

Borin, Paolo, Bernardello, Rachele, Panarotto, Federico, Giordano, Andrea, Zaggia, Alessandro, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, and Cheng, Liang-Yee, editor

Published
2021
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11. An atmospheric pressure plasma jet to tune the bioactive peptide coupling to polycaprolactone electrospun layers

Author

Maffei, Alessandro, primary, Michieli, Niccoló, additional, Brun, Paola, additional, Zamuner, Annj, additional, Zaggia, Alessandro, additional, Roso, Martina, additional, Kalinic, Boris, additional, Verga Falzacappa, Emanuele, additional, Scopece, Paolo, additional, Gross, Silvia, additional, Dettin, Monica, additional, and Patelli, Alessandro, additional

Published
2020
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13. Conventional Radical Polymerization and Iodine-Transfer Polymerization of 40-Nonafluorobutyl styrene: Surface and Thermal Characterizations of the Resulting Poly(fluorostyrene)s

Author

Ceretta, Flavio, Zaggia, Alessandro, Conte, L., Ameduri, Bruno, Universita degli Studi di Padova, Institut Charles Gerhardt Montpellier - Institut de Chimie Moléculaire et des Matériaux de Montpellier (ICGM ICMMM), Ecole Nationale Supérieure de Chimie de Montpellier (ENSCM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Université Montpellier 1 (UM1)-Université Montpellier 2 - Sciences et Techniques (UM2)-Institut de Chimie du CNRS (INC), collaboration informelle avec L'université de Padova, and Italie

Subjects
gel permeation chromatography (GPC), nonafluorobutyl styrene, living radical polymerization (LRP), NMR spectroscopy, [CHIM.POLY]Chemical Sciences/Polymers, degree of polymerization (DP), kinetics, thermal properties, iodine transfer polymerization, heteroatom-containing polymers, surface properties, fluoropolymers
Abstract

International audience; 40-Nonafluorobutylstyrene (3) was synthesized and polymerized by conventional and controlled radical polymerization (iodine transfer polymerization (ITP)). Such an aromatic fluoromonomer was prepared from Ullmann coupling between 1-iodoperfluorobutane and 4-bromoacetophenone followed by a reduction and a dehydration in 50% overall yield. Two radical polymerizations of (3) were initiated by AIBN either under conventional or controlled conditions, with 1-iodoperfluorohexane in 84% monomer conversion and in 50% yield. ITP of (3) featured a fast monomer conversion and a linear evolution of the ln([M]0/[M]) versus time. The kinetics of radical homopolymerization of (3) enabled one to assess its square of the propagation rate to the termination rate (kp 2/ kt) in ITP conditions (36.2 1022 l mol22 sec22 at 80 C) from the Tobolsky's kinetic law. Polydispersity index (-D) of the fluoropolymer achieved by conventional polymerization was 1.30 while it worthed 1.15 when synthesized by ITP. Thermal stabilities of these oligomers were satisfactory (10% weight loss under air occurred from 305 C) whereas the melting point was 47 C. Contact angles and surface energies assessed from spin-coated poly(3) films obtained by conventional (hysteresis 5 18 , surface energy 18 mN.m21) and ITP (hysteresis 5 47 , surface energy 15 mN.m21) evidenced -D values' influence onto surface properties of the synthesized polymer.

Published
2013
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15. SARs of partially fluorinated quaternary ammonium salts

Author

Padoan, Gennifer, Darmanin, Thierry, Zaggia, Alessandro, Taffin De Givenchy, Elisabeth, Amigoni, Sonia, Conte, Lino, Guittard, Frédéric, Surface & Interfaces, Laboratoire de physique de la matière condensée (LPMC), Centre National de la Recherche Scientifique (CNRS)-Université Nice Sophia Antipolis (... - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Centre National de la Recherche Scientifique (CNRS)-Université Nice Sophia Antipolis (... - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA), Surfaces & Interfaces, and Universita degli Studi di Padova

Subjects
[CHIM.MATE]Chemical Sciences/Material chemistry
Published
2012

48. High-porosity geopolymer foams with tailored porosity for thermal insulation and wastewater treatment.

Author

Chengying Bai, Franchin, Giorgia, Elsayed, Hamada, Zaggia, Alessandro, Conte, Lino, Hongqiang Li, and Colombo, Paolo

Subjects
HYDROGEN peroxide, DISINFECTION & disinfectants, THERMAL insulation, INSULATING materials, CELL size
Abstract

High-porosity metakaolin-based geopolymer foams (GFs) were fabricated by a gelcasting technique using hydrogen peroxide (foaming agent) in combination with Tween 80 (surfactant). Slurries processed in optimized conditions enabled to fabricate potassium based GFs with a total porosity in the range of ~67 to ~86 vol% (~62 to ~84 vol% open), thermal conductivity from ~0.289 to ~0.091 W/mK, and possessing a compressive strength from ~0.3 to ~9.4 MPa. Moreover, factors that influence the compressive strength, the porosity, the thermal conductivity, and the cell size distribution were investigated. The results showed that the cell size and size distribution can be controlled by adding different content of surfactant and foaming agent. The foamed geopolymer can also be used as adsorbents for the removal of copper and ammonium ions from wastewater. The foams, due to their low thermal conductivity, could also be used for thermal insulation. It was also possible to produce geopolymer formulations that could be printed using additive manufacturing technology (Direct Ink writing), which enabled to produce components with nonstochastic porosity. [ABSTRACT FROM AUTHOR]

Published
2017
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