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Literatura académica sobre el tema "Copolymères – Synthèse (chimie)"
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Tesis sobre el tema "Copolymères – Synthèse (chimie)"
Lévesque, Michel. "Synthèse et cristallisation de copolymères d’amylose". Thesis, Université Laval, 2011. http://www.theses.ulaval.ca/2011/27868/27868.pdf.
Texto completoBreton, Anne-Catherine. "Synthèse et caractérisation de copolymères dérivés de quinoxaline et de carbazole". Thesis, Université Laval, 2012. http://www.theses.ulaval.ca/2012/28992/28992.pdf.
Texto completoVriet, Christelle. "Généralisation de la carbonatation aux substrats polyhydroxylés : synthèse de carbonates cycliques, linéaires, et mixtes, à partir d’érythritol, de xylitol, et de sorbitol". Phd thesis, Toulouse, INPT, 2005. http://oatao.univ-toulouse.fr/7542/1/vriet.pdf.
Texto completoGaschard-Pasquet, Véronique. "Synthèse contrôlée de copolymères éthylène-butène par catalyse Ziegler-Natta bisupportée". Lyon 1, 1985. http://www.theses.fr/1985LYO10508.
Texto completoBriffaud, Thierry. "Synthèse et caractérisation de polyoxadiazoles-1,3,4". Lyon 1, 1993. http://www.theses.fr/1993LYO10017.
Texto completoLienafa, Livie. "Synthèse et étude de copolymères triblocs à base de poly(éthylène téréphtalate)". Montpellier 2, 2009. http://www.theses.fr/2009MON20208.
Texto completoIn this manuscript, we describe the synthesis and the study of properties of triblock copolymers containing poly(ethylene terephthalate) blocks. ABA and ABC triblock type copolymers were synthesized. In the case of ABA triblock copolymers, both poly(ethylene terephtalate) end blocks A are connected by a poly(lauryl acrylate) midblock B. The first step of the synthesis was the preparation of the PET blocks. Then, the lauryl acrylate copolymerization by ATRP using PET moities as initiators was achieved before the coupling of the diblocks in order to obtain the triblock copolymers. Several coupling techniques were tested, as, for instance, the "click-chemistry". A preliminary study showed that the ABA triblock copolymers could self organize in paraffin oil. The ABC triblock copolymers behaved as amphiphilic ones. The block C was a quaternarized poly(dimethylamino ethyl methacrylate). In water, this copolymer formed gels. A study of its diluted and semi-diluted solutions by rheology and small-angle neutron scattering (SANS) made possible to highlight the PET role in the rheological behavior and in the aggregate microstructure formation
Rejsek, Virginie. "Application de la polymérisation anionique des époxydes par activation du monomère à la synthèse de copolymères". Bordeaux 1, 2007. http://www.theses.fr/2007BOR13503.
Texto completoChemin, Maud. "Valorisation des xylanes du bois : vers la synthèse de copolymères amphiphiles bio-sourcés". Thesis, Bordeaux, 2014. http://www.theses.fr/2014BORD0302/document.
Texto completoThis thesis work aims to add value to xylans by designing new bio-based amphiphilic polymers.Beechwood xylans were first fully characterized before their acidic hydrolysis. The hydrolysis conditions were optimized in order to obtain well-defined xylooligosaccharides, oligomeric chains of about six xylose units that have only one methylglucuronic acid unit positioned at the non-reductive chain end. Periodate oxidation of xylans was also studied in order to form new aldehyde groups within the xylan backbone in a controlled manner. The xylooligomers were then functionalized from their reductive end with an azide or an allyl group, providing the ability to couple these oligomers to fatty acid derivatives using ‘click chemistry’.The obtained amphiphilic oligomers were finally studied according to their surfactant and self-assembly properties. Their wetting properties were found to be very good, comparable to those found with Tween®80. Moreover, they self-assembled in both chloroform and water, where their structures were characterized via DLS and TEM. The resulting particles formed had a spherical micellar morphology, with a d ≤ 50 nm. However, it was found that the particles had a tendency to form large aggregates, particularly in chloroform. The aggregates could be easily removed, either by filtration or by dilution of the sample, as the forces that govern the aggregation are low enough to allow dissociation with increasing solvent volume.As previously mentioned, this thesis work led to the synthesis of bio-based amphiphilic oligomers starting from xylans, which are a potential byproduct in the paper/pulp industry. Thanks to their surfactant properties, numerous applications can be found for such a ‘green’ surfactant. Their biocompatibility added with their self-assembly nature in aqueous media makes them an attractive molecule for active substance delivery applications
Benoit, Jean-Michel. "Synthèse et cristallisation de poly(éthercétones) par contrôle des segments rigides". Thesis, Université Laval, 2011. http://www.theses.ulaval.ca/2011/28008/28008.pdf.
Texto completoFiset, Erika. "Synthèse et caractérisation de nanostructures organiques covalentes stables". Thesis, Université Laval, 2009. http://www.theses.ulaval.ca/2009/25983/25983.pdf.
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