Exploració per altres contribucions "Universitat Politècnica de Catalunya. POL - Polímers Industrials Avançats i Biopolímers Tecnològics"
Ara es mostren els items 21-40 de 129
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Carbohydrate-based polyamides and polyesters: an overview illustrated with two selected examples
(2012-02)
Article
Accés obertAn overview on the synthesis, structure and properties of polyamides and aromatic copolyesters produced by using monomers derived from carbohydrates is provided. Two examples are selected for illustration: (a) aliphatic ... -
Carbohydrate-based polyesters made from bicyclic acetalized galactaric acid
(2011-07-11)
Article
Accés obertThe dimethyl ester of 2,3:4,5-di-O-methylene-galactaric acid (Galx) was made to react in the melt with 1,n-alkanediols HO(CH2)nOH containing even numbers of methylenes (n from 6 to 12) to produce linear polycyclic polyesters. ... -
Carbohydrate-based polyurethanes: A comparative study of polymers made from isosorbide and 1,4-butanediol
(2012-01-15)
Article
Accés restringit per política de l'editorialA set of linear polyurethanes containing isosorbide units were synthesized by polymerization in solution from HDI and MDI diisocyanates and 1,4-butanediol(BD), isosorbide (Is) or diisosorbide diurethanes (Is2HDI and ... -
Cationic poly(butylene succinate) copolyesters
(2016-02-01)
Article
Accés obertThe synthesis, characterization and comparative evaluation of properties of two series of cationic PBS copolyesters bearing respectively ammonium and tributylphosphonium side groups, are reported. The copolyesters with ... -
Challenging isodimorphism concepts: formation of three crystalline phases in poly(hexamethylene-ran-octamethylene carbonate) copolymers
(American Chemical Society (ACS), 2023-10-11)
Article
Accés obertIn this work, poly(hexamethylene-ran-octamethylene carbonate) copolycarbonates were synthesized by melt polycondensation in a wide range of compositions. The copolymers displayed some of the characteristic isodimorphic ... -
Characterization and properties of a polythiophene with a malonic acid dimethyl ester side group
(2009-05-27)
Article
Accés restringit per política de l'editorialA new polythiophene derivative bearing a malonic acid dimethyl ester substituent attached to the 3-position of the repeat unit has been prepared by chemical oxidative-coupling polymerization. The chemical structure of ... -
Chemical structure and microstructure of poly(alkylene terephthalate)s, their copolyesters, and their blends as studied by NMR
(2014-11-17)
Article
Accés restringit per política de l'editorialThe use of NMR spectroscopy in solution to investigate the chemical structure of engineering poly(alkylene terephthalate)s such as poly(ethylene terephthalate) (PET), poly(trimethylene terephthalate) (PTT), and poly(butylene ... -
“Clickable” bacterial poly(gamma-glutamic acid)
(2020-09-21)
Article
Accés obertPoly(gamma-glutamic acid) (gamma-PGA) is one of the few bacterial polymers in nature; as such, it possesses the added value of a “green birth” (fermentation) and “green death” (biodegradability), which is ideal for sustainable ... -
Comb-like ionic complexes of hyaluronic acid with alkyltrimethylammonium surfactants
(2013-01-30)
Article
Accés restringit per política de l'editorialStoichiometric complexes of hyaluronic acid with alkyltrimethylammonium surfactants bearing octadecyl, eicosyl and docosyl groups were prepared by ionic coupling in aqueous solution. The complexes were non soluble in water ... -
Comb-like ionic complexes of pectinic and alginic acids with alkyltrimethylammonium surfactants
(2011-08-15)
Article
Accés restringit per política de l'editorialIonic coupling of both polygalacturonic and alginic acids with alkyltrimethyl ammonium surfactants containing 18, 20 and 22 carbon atoms in the alkyl side chain was conducted in water solution to prepare non-soluble comb-like ... -
Comblike ionic complexes of hyaluronic acid and alkanoylcholine surfactants as a platform for drug delivery systems
(2018-09-10)
Article
Accés obertNontoxic alkanoylcholine soaps (nACh) were synthesized from choline and fatty acids with numbers of carbons n equal to 12, 14, 16, and 18, the latter including both saturated and 9-cis unsaturated alkanoyl chains. Coupling ... -
Comblike Ionic Complexes of Poly(gamma-glutamic acid) and Alkanoylcholines Derived from Fatty Acids
(American Chemical Society (ACS), 2013-02-15)
Article
Accés restringit per política de l'editorialA series of ionic complexes with almost stoichio- metric composition have been “ synthesized ” from bacterial poly( γ - glutamic acid) and alkanoylcholines derived from fatty acids with 12, 14, 16, and 18 carbon ... -
Compared structure and morphology of nylon-12 and 10-polyurethane lamellar crystals
(Elsevier, 2011-03-23)
Article
Accés restringit per política de l'editorialA comparative study of the structure and morphology of nylon-12 and 10-polyurethane (10-PUR) lamellar crystals, was carried out. Lamellar crystals were obtained by isothermal crystallization from diluted solution. Electron ... -
Complexes of polyglutamic acid and long-chain alkanoylcholines: Nanoparticle formation and drug release
(2014-05-01)
Article
Accés restringit per política de l'editorialIonic complexes of microbial poly(¿-glutamic acid) and alkanoylcholines are fully bio-based comb-like systems able to self-organize in an ordered amphiphilic structure made of hydrophobic and hydrophilic alternating layers. ... -
Configurational entropy calculation of poly(alpha-alkyl beta,L-aspartate)s amorphous and crystalline films using gas permeation
(2014-10-01)
Article
Accés restringit per política de l'editorialThe permeability and diffusion coefficient of gases such as N-2, O-2 and CO2 through two polymeric membranes of poly(alpha-alkyl beta,L-aspartate)s (PAALA-n) were determined by the -
Controlling the isothermal crystallization of isodimorphic PBS-ran-PCL random copolymers by varying composition and supercooling
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-01-01)
Article
Accés obertIn this work, we study for the first time, the isothermal crystallization behavior of isodimorphic random poly(butylene succinate)-ran-poly(e-caprolactone) copolyesters, PBS-ran-PCL, previously synthesized by us. We perform ... -
Copoliésteres alifáticos derivados del ácido galactárico diacetalizado
(2012)
Comunicació de congrés
Accés obert -
Copolímeros poli(etilen-co-ciclohexanodimetilen tereftalato) obtenidos mediante copolimerización por apertura de anillo
(2010-06-16)
Report de recerca
Accés obertPatente española -
Copolyesters made from 1,4-butanediol, sebacic acid, and D-glucose by melt and enzymatic polycondensation
(2015-03-09)
Article
Accés obertBiotechnologically accessible 1,4-butanediol and vegetal oil-based diethyl sebacate were copolymerized with bicyclic acetalized d-glucose derivatives (Glux) by polycondensation both in the melt at high temperature and in ... -
Copolymacrolactones grafted with L-glutamic acid: Synthesis, structure, and nanocarrier properties
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-04-24)
Article
Accés obertThe enzymatic ring-opening copolymerization (eROP) of globalide (Gl) and pentadecalactone (PDL) was performed in solution from mixtures of the two macrolactones at ratios covering the whole range of comonomeric compositions. ...