Search Results - "Faetti, M."

Rheological and Thermal Properties of Narrow Distribution Poly(ethyl acrylate)s by Andreozzi, L, Castelvetro, V, Faetti, M, Giordano, M, Zulli, F

“…In the present work, we characterize the rheological behavior of 10 nearly monodisperse poly(ethyl acrylate) samples, whose molar mass ranges from 1200 to 150…”
Get full text

Connecting Shear Stress Relaxation and Enthalpy Recovery in Polymers through a Modified TNM Approach by Andreozzi, L, Faetti, M, Zulli, F, Giordano, M

“…The Tool−Narayanaswamy−Moynihan model (TNM) is widely accepted in order to describe the enthalpy recovery mechanism of polymers. However, some problems have…”
Get full text

Near-field optical writing on azo-polymethacrylate spin-coated films by Patanè, S., Arena, A., Allegrini, M., Andreozzi, L., Faetti, M., Giordano, M.

“…We report on near-field optical writing and topographic reading of spin-coated azo-polymethacrylate films with subwavelength resolution. The sample is…”
Get full text

Enthalpy relaxation of polymers: comparing the predictive power of two configurational entropy models extending the AGV approach by ANDREOZZI, L, FAETTI, M, ZULLI, F, GIORDANO, M

Get full text

Scaling Analysis and Distribution of the Rotational Correlation Times of a Tracer in Rubbery and Glassy Poly(vinyl acetate):  An Electron Spin Resonance Investigation by Faetti, M, Giordano, M, Leporini, D, Pardi, L

“…We studied by ESR the rotational motion of a paramagnetic tracer (a deuterated 15N-enriched nitroxide) in poly(vinyl acetate) (PVAc). The reorientation of the…”
Get full text

Heterogeneities at short and long time scales of the dynamics of a probe molecule in different model glass formers by Andreozzi, L., Faetti, M., Giordano, M.

“…The correlations, namely dynamic heterogeneity, and different relaxation time and length scales were investigated in two model glass formers. Decoupling…”
Get full text

Rotational probe relaxation and scaling in fragile glass formers by Andreozzi, L., Bagnoli, M., Faetti, M., Giordano, M.

“…The rotational dynamics of a stiff paramagnetic tracer dissolved in supercooled SALOL is investigated via electron spin resonance spectroscopy. The study shows…”
Get full text

Dynamics, fragility, and glass transition of low-molecular-weight linear homopolymers by Andreozzi, L., Autiero, C., Faetti, M., Giordano, M., Zulli, F.

“…Analysis of the dynamics of low-molar-mass linear homopolymers is important when trying to understand the mechanisms driving structural relaxation properties…”
Get full text

Free volume in poly(propylene glycol) and its relationships to spin probe reorientation by Bartoš, J., Andreozzi, L., Faetti, M., Šauša, O., Račko, D., Krištiak, J.

“…In this work we carried out positron annihilation lifetime spectroscopy (PALS) on pure poly(propylene glycol) (PPG 4000) and an electron spin resonance (ESR)…”
Get full text

Previous exposure to (±) 3,4-methylenedioxymethamphetamine produces long-lasting alteration in limbic brain excitability measured by electroencephalogram spectrum analysis, brain metabolism and seizure susceptibility by Giorgi, F.S., Pizzanelli, C., Ferrucci, M., Lazzeri, G., Faetti, M., Giusiani, M., Pontarelli, F., Busceti, C.L., Murri, L., Fornai, F.

“…Seizures represent the most common neurological emergency in ecstasy abusers; however, no study addressed whether (±) 3,4-methylenedioxymethamphetamine…”
Get full text

Scaling of the Rotational Relaxation of Tracers in o-Terphenyl:  A Linear and Nonlinear ESR Study by Andreozzi, L, Faetti, M, Giordano, M, Leporini, D

“…The rotational dynamics at long and short times of nearly spherical and cylindrical tracers in supercooled and glassy o-terphenyl is investigated by linear and…”
Get full text

Phenomenological theory of structural relaxation based on a thermorheologically complex relaxation time distribution by Andreozzi, L., Faetti, M., Salmerón Sanchez, M., Gómez Ribelles, J. L.

“…The aim of this work is to explore the consequences on the kinetics of structural relaxation of considering a glass-forming system to consist of a series of…”
Get full text

An ESR Study on the Heterogeneity of Dynamics in a Nematic Polymer Induced by Thermal Annealing in the Isotropic Melt by Andreozzi, Laura, Faetti, Massimo, Giordano, Marco, Palazzuoli, Diego, Galli, Giancarlo

“…Heterogeneities induced in a nematic polymethacrylate by thermal annealing in the isotropic phase were investigated by studying the dynamics of the cholestane…”
Get full text

Thermorheological Simplicity and Fragility of Azobenzene Nematogenic Side-Chain Polymers by Andreozzi, L, Autiero, C, Faetti, M, Galli, G, Giordano, M, Zulli, F

“…The linear viscoelastic response of polymers from a nematogenic azobenzene methacrylate and its copolymers with nonmesogenic methyl methacrylate was studied…”
Get full text

Heterogeneities in the Dynamics of a Molecular Tracer in Mesogenic and Nonmesogenic Azobenzene Copolymers by Andreozzi, L., Autiero, C., Faetti, M., Zulli, F., Giordano, M., Galli, G.

“…We studied by electron spin resonance (ESR) spectroscopy the reorientational dynamics of the cholestane spin probe dissolved in the matrix of the PMA4 40/60…”
Get full text

Probing the cooperative dynamics varying the side-chain length of poly(alkyl acrylate)s: ESR experiments by Andreozzi, L., Autiero, C., Faetti, M., Giordano, M., Zulli, F.

“…The rotational dynamics of the tracer cholestane dissolved in non-entangled nearly monodisperse poly(alkyl acrylate) melts has been investigated by means of…”
Get full text

Fragility and Glass Transition Temperature in the Rheological Response of Azobenzene Copolymers by Andreozzi, L., Faetti, M., Giordano, M., Zulli, F., Galli, G., Samaritani, S.

“…Two copolymers containing nonmesogenic methyl methacrylate (MMA) and nematogenic azobenzene methacrylate (MA4) side groups (30/70 and 40/60 copolymers)…”
Get full text

Crossover region and entanglement in nearly monodisperse poly(ethyl acrylates) studied with electron spin resonance spectroscopy by Andreozzi, L., Faetti, M., Giordano, M., Zulli, F., Castelvetro, V.

“…The topic of dynamic changes undergone by glass-forming materials in the supercooled region is addressed in this study. Crossover regions and temperatures are…”
Get full text

A Trap Model Description of Enthalpy Relaxation in a Side Chain Liquid Crystal Polymethacrylate by Andreozzi, L., Faetti, M., Giordano, M., Zulli, F., Galli, G.

“…The enthalpy relaxation mechanism of an azobenzene side chain liquid crystal polymethacrylate is investigated by means of DSC experiments after proper…”
Get full text

Heterogeneity in the dynamics of a molecular tracer dissolved in liquid crystal homopolymer and copolymer by Andreozzi, L., Faetti, M., Giordano, M., Palazzuoli, D., Galli, G.

“…ESR studies were carried out on the rotational dynamics of cholestane molecular tracer dissolved in liquid crystal homopolymer and copolymer from well above…”
Get full text