Aliphatic polyesters
Recent advances in the macromolecular engineering of aliphatic polyesters by ring-opening polymerization and click chemistry
... biocompatible aliphatic polyesters have been synthesized by ring-opening polymerization (ROP) of lactides and ...new aliphatic polyesters by ring-opening polymerization and assistance of ...
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Contribution of "click" chemistry to the functionalization of aliphatic polyesters
... CH 2 -CH 2 -C(O)-O-PEO , 35°C Figure 1 This strategy turned out to be very versatile to extend the range of available aliphatic polyesters and thus, to tailor their properties. Indeed, highly hydrophilic, ...
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Contribution of "click chemistry" to the macromolecular engineering of aliphatic polyesters
... of aliphatic polyesters Abstract: Nowadays, biodegradable and biocompatible aliphatic polyesters are widely used as environmentally friendly thermoplastics and ...
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Recent advances in the synthesis of aliphatic polyesters by “click” chemistry
... of aliphatic polyesters remains, at the time being, a very difficult task to achieve because of the very limited number of efficient chemical reactions, which can be implemented in the absence of chain ...
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Recent advances in the macromolecular engineering of aliphatic polyesters by ring-opening polymerization and « click » chemistry
... new aliphatic polyesters by ring-opening polymerization and assistance of “click” ...height-shaped polyesters by an original method based on the intramolecular cross-linking of unsaturated end-groups ...
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Synthesis of novel functional aliphatic polyesters by association of ring-opening polymerization and click chemistry
... Synthesis of novel functional aliphatic polyesters by association of ring-opening polymerization and click chemistry Philippe Lecomte, [email protected] 1 , Stéphanie Schmeits, ...
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Recent progress in the macromolecular engineering of aliphatic polyesters
... Finally, cyclic tin (IV) alkoxides have been used to initiate ROP of ε-CL with formation of macrocyclic polyesters that contain endocyclic Sn-O bonds (Scheme 5). A few units of γ-unsaturated ε-CL have been added ...
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Biodegradable and biocompatible inorganic-organic hybrid materials: 4. Effect of acid content and water content on the incorporation of aliphatic polyesters into silica by the sol-gel process
... an aliphatic polyester (poly -caprolactone; PCL) and silica, as a result of strong hydrogen-bonding interactions between the inorganic and organic phases ...
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α-chloro-ε-caprolactone, a versatile precursor for grafting of aliphatic polyesters
... Grafted PCL are also rapidly prepared by the initiation of the polymerization of vinyl monomers either from the pendant chloro atoms of the copolyester, either from pendant bromide intro[r] ...
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Tailoring of fine properties of biodegradable polyesters for biomedical applications
... “Tailoring of fine properties of biodegradable polymers by chemistry for biomedical applications”, Dr. Philippe Lecomte, Research Associate by the Belgian “FNRS”, CERM, ULg The development of new applications based on ...
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Crosslink Density Changes during the Hydrolysis of Tridimensional Polyesters
... several aliphatic methyl and butyl esters with carboxylate group ranging from 8 to 16 carbons (37) , prepolymers for UP resins (38) , PLA (39) and other aliphatic polyesters (40) , and a polyester ...
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Esters méthyliques d'acides gras fonctionnalisés (B, Si, Ge, P) : Polyesters métallés - Nanoparticules de germanium
... nouveaux polyesters et copolymères comportant à la fois des chaînes alkyles de type EMAG et des éléments du groupe 14, nous effectuerons une série d’analyses plus spécifiques comme la détermination de leurs poids ...
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Catalytic generation and use of ketyl radical from unactivated aliphatic carbonyl compounds
... acetonitrile). 18 − 20 Cossy 21 and Hasegawa 22 independently reported light- mediated intramolecular cyclizations of unactivated ketones and unsaturated systems. However, these methods are limited to speci fic examples ...
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Evaluation of the Effect of Chemical or Enzymatic Synthesis Methods on Biodegradability of Polyesters
... Evaluation of the Effect of Chemical or Enzymatic Synthesis Methods on Biodegradability of Polyesters Laurent Goujard, Pierre-Jean Roumanet, Bruno Barea, Yann Raoul, Fabio8. Ziarelli, Je[r] ...
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en fr Functional fatty acid methyl esters (B, Si, Ge P): Metallated polyesters – Germanium nanoparticles Esters méthyliques d'acides gras fonctionnalisés (B, Si, Ge, P) : Polyesters métallés - Nanoparticules de germanium
... nouveaux polyesters et copolymères comportant à la fois des chaînes alkyles de type EMAG et des éléments du groupe 14, nous effectuerons une série d’analyses plus spécifiques comme la détermination de leurs poids ...
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Yield enhancement strategy of dithiolopyrrolone from Saccharothrix algeriensis by aliphatic alcohols supplementation
... Similar dose dependent inductions of antibiotics in presence of ethanol under the appropriate conditions were observed in cultures of other bacterial strains such as Streptomyces hygrosc[r] ...
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The aliphatic amidase AmiE is involved in regulation of Pseudomonas aeruginosa virulence
... the wild type strain, rather than comparing an amiE mutant to the wild type strain since the AmiE protein level in the latter might be low as a consequence of the amiE translation repre[r] ...
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Poly(arylene ether) electrolyte membranes bearing aliphatic-chain-linked sulfophenyl pendant groups
... 5. Conclusions A series of novel sulfonated poly(arylene ether)s bearing aliphatic-chain-linked sulfophenyl pendants have been prepared as proton conductive materials. The generated membranes exhibited improved ...
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Environmentally Friendly Chemoselective Oxidation of Primary Aliphatic Amines by Using a Biomimetic Electrocatalytic System
... Non-activated aliphatic primary amines were also good substrates for the catalyst 2 ox (entries 2-6), with yields of isolated DNPH ranging from 38 to 46% (1900 to 2300%, relative to the ...
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Far infrared spectra of solid state aliphatic amino acids in different protonation states.
... Department of Structural Biology and Genomics, Biocomputing Group, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Université de Strasbourg, CNRS UMR 7104, INSERM U964, 1 rue Laurent Fries, Illkirch, ...
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