Adrien Letoffé
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View article: Maleimide grafting onto polysaccharides via mild condition esterification and its impact on their structure
Maleimide grafting onto polysaccharides via mild condition esterification and its impact on their structure Open
This study proposes an innovative approach to tailor the properties of two polysaccharides, microcrystalline cellulose (MCC) and potato starch, through chemical modification in dispersion. The methodology involves the grafting of 6-Maleimi…
View article: Effect of Fenton reaction parameters on the structure and properties of oxidized wheat starch
Effect of Fenton reaction parameters on the structure and properties of oxidized wheat starch Open
Wheat starch was oxidized through a Fenton reaction by hydrogen peroxide and Iron II sulfate as a catalyst at various concentrations and reaction duration. The formation of carbonyl and carboxyl groups confirmed the starch oxidation as det…
View article: Heat treatment’s effect on properties of polystyrene from building demolitions
Heat treatment’s effect on properties of polystyrene from building demolitions Open
Polystyrene (PS) is a synthetic polymer widely used as a packaging material and in thermal insulation of buildings. At end-of-life, there are not many recycling management options of PS because of the reduced incentive and high cost. PS is…
View article: Graphite and Graphene Nanoplatelets (GNP) Filled Polymer Matrix Nanocomposites
Graphite and Graphene Nanoplatelets (GNP) Filled Polymer Matrix Nanocomposites Open
Graphene is the basic constituent of graphite, carbon nanotubes and fullerenes. Graphene can present some structural defects, although its low dimensionality reduces the number of possible imperfections. Wallace showed the particular elect…
View article: Functionalization and exfoliation of graphite with low temperature pulse plasma in distilled water
Functionalization and exfoliation of graphite with low temperature pulse plasma in distilled water Open
The plasma process discussed herein is a new way to exfoliate graphite and to produce functionalized graphenic materials.
View article: Study of the exfoliation and functionalization of graphene from graphite flakes with plasma discharge in solution
Study of the exfoliation and functionalization of graphene from graphite flakes with plasma discharge in solution Open
Graphene flakes were produced by nanosecond plasma discharge at atmospheric pressure between an electrode and the surface of distilled water, in which were placed graphite flakes. The discharge ionizes the gas and forms free radicals on th…
View article: Pulsed discharge plasma for graphite exfoliation in liquid nitrogen
Pulsed discharge plasma for graphite exfoliation in liquid nitrogen Open
Highly Oriented Pyrolytic Graphite was exfoliated via pulsed discharge plasma in liquid nitrogen. The potential mechanisms involved were investigated by observing the treated surface of the graphitic material and the obtained particles. No…
View article: Study of the exfoliation and functionalization of graphene from graphite flakes with plasma discharge in solution
Study of the exfoliation and functionalization of graphene from graphite flakes with plasma discharge in solution Open
Graphene flakes were produced by nanosecond plasma discharge at atmospheric pressure between an electrode and the surface of distilled water, in which were placed graphite flakes. The discharge ionizes the gas and forms free radicals on th…
View article: Magnetic anisotropy switching induced by shape memory effect in NiTi/Ni bilayer
Magnetic anisotropy switching induced by shape memory effect in NiTi/Ni bilayer Open
Strain modulation during a two-way shape memory effect (TWSME) in a sputtered nitinol NiTi is used to reliably induce and switch by 90° a uniaxial magnetic anisotropy of a 20 nm thick Ni film during the thermal cycle from 300 K to 400 K. N…