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copolycondensation

sciences naturelles et appliquées / chimie - iate.europa.eu
La présente invention concerne un procédé pour synthétiser un matériau biodégradable de grade médical, poly(acide lactique-co-glycolique), par copolycondensation catalysée par la créatine de biomasse d'acide lactique et d'acide glycolique.

A method for synthesizing a medical grade biodegradable material, poly(lactic-co-glycolic acid), by biomass creatinine-catalyzed copolycondensation of lactic acid and glycolic acid.

chimie - wipo.int
Cocrystalline copolyimides of poly(ethylene 2,6-naphthalate)Copolycondensation of N,N′-bis(2-hydroxyethyl)-biphenyl-3,4,3′,4′-tetracarboxylic diimide (5–25 mol %) with bis(2-hydroxyethyl)-2,6-naphthalate affords a series of cocrystalline,...
général - core.ac.uk - PDF: core.ac.uk
Synthesis of well-defined hyperbranched polymers bio-based on multifunctional phenolic acids and their structure-thermal property relationships... We established a method for the preparation of well-definedstructures in bio-based, hyperbranched (HB) polyarylates by the copolycondensation of caffeic acid (DHCA) as an AB_2-monomer and p-coumaric acid (4HCA) as an AB-monomer, using the highly efficient catalyst Na_2HPO_4 to regulate the polymerization...
Modification of ceramic membranes by silica nanoparticles with thiourea functionsSol-gel approach based on hydrolytic copolycondensation of tetraethoxysilane (TEOS) with ethylthiocarbamidepropyl triethoxysilane (ETUS) was used to deposit functional layers with thiourea functions on the surface...
 PDF: doaj.org
Synthesis and characteristics of polyarylene ether sulfones... Finally, a Monte Carlo simulation of the triad distribution of monomers in nonequilibrium copolycondensation is discussed
Methacrylate compositions modified by oligosilsesquioxanes with methacryl and cyclotriphosphazene substituents... Hydrolytic copolycondensation of the latter compounds with γ-methacryloxypropyltrimethoxy - silane resulted in oligosiloxanes involving functional methacrylic and phosphazene fragment


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