Exploració per autor "Muñoz Guerra, Sebastián"
Ara es mostren els items 81-99 de 99
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Renewable terephthalate polyesters from carbohydrate-based bicyclic monomers
Muñoz Guerra, Sebastián; Lavilla Aguilar, Cristina; Japu, Cristina; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon (2014-04-01)
Article
Accés restringit per política de l'editorialPoly(alkylene terephthalate)s, PET and PBT in particular, are materials of great relevance and growing projection in the thermoplastic field but are today almost totally produced from fossil resources. The current huge ... -
Ring opening polymerization of macrocyclic oligoesters derived from renewable sources
Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (2020-03-17)
Article
Accés obertMacrocyclic oligoesters (MCOs) derived from biomass such as those prepared from alkylene alkanedioates and 2,5-furandicarboxylates are suitable compounds for ring opening polymerization (ROP) to produce high molecular ... -
Ring opening polymerization of macrolactones using amines as initiators
Tinajero, Ernesto; Lavilla, Cristina; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (2016)
Comunicació de congrés
Accés obertThe ring opening polymerization (ROP) of these macrolactones mediated by alcohols as initiators and organic and metal-based catalysts has been reported before with satisfactory results [4,5]. In the present work, the ... -
ROP and crystallization behaviour of partially renewable triblock aromatic-aliphatic copolymers derived from L-lactide
Flores, Irma; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Sardon, Haritz; Müller, Alejandro J.; Muñoz Guerra, Sebastián (Elsevier, 2020-01-05)
Article
Accés obertTwo series of partially biobased ABA triblock copolyesters were successfully prepared by ring-opening polymerization (ROP) of L-lactide initiated by two telechelic polyester polyols using an organic catalyst. B blocks were ... -
Sequence analysis of polyether-based thermoplastic polyurethane elastomers by 13C NMR
Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Carvalho, Erica; Alla Bedahnane, Abdelilah; Muñoz Guerra, Sebastián (American Chemical Society (ACS), 2010-04-27)
Article
Accés restringit per política de l'editorialIn this Note we would like to report on the analysis of the microstructure of segmented polyurethanes by 13CNMRmaking use of the signals arising from nonprotonated aromatic carbons which appear to be sensitive to dyads ... -
Solid-state modification of PBT with cyclic acetalized galactitol and D-mannitol: Influence of composition and chemical microstructure on thermal properties
Lavilla Aguilar, Cristina; Gubbels, Erik; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Noordover, Bart A. J.; Koning, Cor E.; Muñoz Guerra, Sebastián (American Chemical Society (ACS), 2013-06-11)
Article
Accés restringit per política de l'editorialTwo bicyclic carbohydrate-based diols, 2,3:4,5- di- O -methylene-galactitol (Galx) or 2,4:3,5-di- O -methylene- D - mannitol (Manx), were introduced into the backbone of poly(butylene terephthalate) using the ... -
Study of molecular structure and vibrational spectra of poly (ß,-1-malic acid) [PMLA] using DFT approach
Chaturvedi, D.; Mishra, S.; Tandon, P.; Portilla Arias, Jose Antonio; Muñoz Guerra, Sebastián (Elsevier, 2012-06-07)
Article
Accés restringit per política de l'editorialPoly (β-L-malic acid) (PMLA) is a biodegradable polymer and it has various important applications in the biomedical field. In the present work the structural and spectral characteristics of PMLA have been studied by methods ... -
Sugar-based bicyclic monomers for aliphatic polyesters: a comparative appraisal of acetalized alditols and isosorbide
Zakharova, Elena; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; León Cavanillas, Salvador; Muñoz Guerra, Sebastián (2016-10-16)
Article
Accés obertThree series of polyalkanoates (adipates, suberates and sebacates) were synthesized using as monomers three sugar-based bicyclic diols derived from D-glucose (Glux-diol and isosorbide) and D-mannose (Manx-diol). Polycondensations ... -
Sulfonated poly(hexamethylene terephthalate) copolyesters: enhanced thermal and mechanical properties
Bautista Betancur, Mayka Irina; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Alla Bedahnane, Abdelilah; Muñoz Guerra, Sebastián (2013-09-15)
Article
Accés restringit per política de l'editorialA series of poly(hexamethylene terephthalate- co -hexamethylene 5-sodium sulfoisophthalate) copolyesters containing from 5 to 50 mol % of sulfonated units as well as the two parent homopolymers are prepared by melt ... -
Sustainable aromatic copolyesters via ring opening polymerization: Poly(butylene 2,5-furandicarboxylate-co-terephthalate)s
Morales Huerta, Juan Carlos; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (American Chemical Society (ACS), 2016-09-06)
Article
Accés obertA series of poly(butylene 2,5-furandicarboxylate-co-terephthalate) copolyesters coPBFxTy covering the whole range of compositions has been prepared via ring opening polymerization (ROP). Cyclic oligomers of butylene ... -
Synthesis and characterization of poly(butylene terephthalate) copolyesters derived from threitol
Ittobane, Najim; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Alla Bedahnane, Abdelilah; Muñoz Guerra, Sebastián (2021-06-21)
Article
Accés obertThe synthesis, characterization, and thermal properties of partially renewable poly(butylene terephthalate) copolyesters containing alditol units are described. These copolyesters were obtained by polycondensation in ... -
Synthesis and properties of diblock copolymers of omega-pentadecalactone and alpha-amino acids
Tinajero, Ernesto; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (Elsevier, 2019-07-01)
Article
Accés obertDiblock copolymers (PPDLx-b-pPAAy) were prepared from ¿-pentadecalactone and l-glutamic acid or l-lysine amino acids by ring opening polymerization initiated by amino groups. Telechelic amino-ended poly(¿-pentadecalactone) ... -
Synthesis and properties of poly(hexamethylene terephthalate)/multiwall carbon nanotubes nanocomposites
González Vidal, Nathalie; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián; Castell, Pere; Martínez, Maria Teresa (2010-05-01)
Article
Accés obertPoly(hexamethylene terephthalate) (PHT)/carbon nanotubes (CNT) nanocomposites containing 1% and 3% (w/w) of filler were prepared by two procedures: in situ ring-opening polymerization of hexamethylene terephthalate ... -
Synthesis of aromatic–aliphatic polyesters by enzymatic ring opening polymerization of cyclic oligoesters and their cyclodepolymerization for a circular economy
Flores, Irma; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Sardon, Haritz; Müller, Alejandro; Muñoz Guerra, Sebastián (American Chemical Society (ACS), 2019-03-08)
Article
Accés obertCyclic oligomers of hexamethylene furanoate and hexamethylene terephthalate were obtained from 1,6-hexanediol and the corresponding methyl esters using Candida antarctica lipase B (CALB) enzyme catalyst. HPLC, MALDI-TOF ... -
The structure of poly(gamma-glutamic acid)/nanoclay hybrids compatibilized by alkylammonium surfactants
Tolentino Chivite, Ainhoa; León, Salvador; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (2013-09-01)
Article
Accés restringit per política de l'editorialStoichiometric ionic complexes of bacterial poly(γ-glutamic acid) with the cationic N-octadecyl and N-docosyl-N,N,N-trimethylammonium surfactants were mixed with alkylammonium modified bentonite (Cloisite 30B) to generate ... -
Thermal degradation and theoretical interpretation of vibrational spectra of poly (beta,L-malic acid)
Chaturvedi, Deepika; Mishra, Soni; Tandon, Poonam; Portilla Arias, José Antonio; Muñoz Guerra, Sebastián (Elsevier, 2011-06-22)
Article
Accés restringit per política de l'editorialPoly (β,l-malic acid) (PMLA) was obtained by Physarum polycephalum. The FT-IR and FT-Raman spectra were recorded experimentally and used for normal mode analysis using Wilson GF matrix method and phonon dispersion of PMLA. ... -
Triblock copolyesters derived from lactic acid and glucose: synthesis, nanoparticle formation and simulation
Zakharova, Elena; León Cabanillas, Salvador; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (2017-07-01)
Article
Accés obertABA triblock copolyesters were synthesized by ring-opening polymerization (ROP) of l-lactide in solution initiated by a telechelic d-glucose-based polyester macroinitiator. The macroinitiator with a number-average molecular ... -
Tuning the thermal properties and morphology of isodimorphic poly[(butylene succinate)-ran-(e-caprolactone)] copolyesters by changing composition, molecular weight, and thermal history
Safari, Maryam; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Múgica, Agurtzane; Zubitur, Manuela; Muñoz Guerra, Sebastián; Müller, Alejandro Jesús (American Chemical Society (ACS), 2018-12-11)
Article
Accés obertHigh molecular weight poly[(butylene succinate)- ran-(e-caprolactone)] copolyesters (PBS-ran-PCL) were synthesized in a wide composition range and compared with significantly lower molecular weight samples synthesized ... -
Validation of smart nanoparticles as controlled drug delivery systems: loading and pH-dependent release of pilocarpine
Galbis Fuster, Elsa; Iglesias González, Nieves; Lucas Rodríguez, Ricardo; Tinajero, Ernesto; Muñoz Guerra, Sebastián (American Chemical Society (ACS), 2017-09-25)
Article
Accés obertMicelles are good devices for use as controlled drug delivery systems because they exhibit the ability to protect the encapsulated substance from the routes of degradation until they reach the site of action. The present ...