Browsing by Author "Alla Bedahnane, Abdelilah"Més informacióMés informació

Now showing items 1-20 of 38

    • Bio-based aromatic polyesters from a novel bicyclic diol derived from D-mannitol 

      Lavilla Aguilar, Cristina; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Alla Bedahnane, Abdelilah; García Martín, Maria de Gracia; Galbis Pérez, Juan Antonio; Muñoz Guerra, Sebastián (American Chemical Society (ACS), 2012-10-23)
      Article
      Open Access
      2,4:3,5-Di-O-methylene-D-mannitol, abbreviated as Manx, is a D-mannitol-derived compound with the secondary hydroxyl groups acetalized with formaldehyde. The bicyclic structure of Manx consists of two fused 1,3-dioxane ...

    • Bio-based PBS copolyesters derived from a bicyclic D-glucitol 

      Zakharova, Elena; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (2015-05-12)
      Article
      Open Access
      2,4:3,5-di-O-methylene-D-glucitol (Glux-diol) was used for the synthesis of poly(butylene succinate) (PBS) copolyesters by melt polycondensation. Glux-diol possess a rigid bicyclic asymmetric structure made of two fused ...

    • Bio-based poly(butylene terephthalate) copolyesters containing bicyclic diacetalized galactitol and galactaric acid: Influence of composition on properties 

      Lavilla Aguilar, Cristina; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Benito, Elena; García Martín, Maria de Gracia; Galbis Pérez, Juan Antonio; Muñoz Guerra, Sebastián (Elsevier, 2012-07-19)
      Article
      Restricted access - publisher's policy
      Copolyesters from 1,4-butanediol, dimethyl terephthalate and either 2,3:4,5-di-O-methylene-galactitol or dimethyl 2,3:4,5-di-O-methylene-galactarate with compositions of 10, 20, 30, 40 and 50% of either galactitol or ...

    • Bio-based poly(ethylene terephthalate) copolyesters made from cyclic monomers derived from tartaric acid 

      Japu, Cristina; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Alla Bedahnane, Abdelilah; Muñoz Guerra, Sebastián (Elsevier, 2014-05-13)
      Article
      Restricted access - publisher's policy
      Two cyclic acetal compounds, 2,3-O-methylene L-threitol and dimethyl 2,3-O-methylene L-threarate, both coming from naturally-occurring tartaric acid, were used as comonomers to replace ethylene glycol and dimethyl terephthalate ...

    • Bio-based poly(hexamethylene terephthalate) copolyesters containing cyclic acetalized tartrate units 

      Japu, Cristina; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Alla Bedahnane, Abdelilah; Muñoz Guerra, Sebastián (Elsevier, 2013-03-08)
      Article
      Restricted access - publisher's policy
      A cyclic acetal of dimethyl l-tartrate (dimethyl 2,3-di-O-methylene l-threarate, Thx) was used as comonomer of dimethyl terephthalate (DMT) in the polycondensation with 1,6-hexanediol (HD) in the melt. Random copolyesters ...

    • Biodegradable aromatic copolyesters made from bicyclic acetalized galactaric acid 

      Lavilla Aguilar, Cristina; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Benito, Elena; García Martín, Maria de Gracia; Galbis Pérez, Juan Antonio; Muñoz Guerra, Sebastián (2012-08-15)
      Article
      Restricted access - publisher's policy
      Random poly(hexamethylene terephthalate-co-galactarate) s and poly(dodecamethylene terephthalate-co-galactarate) s copolyesters covering the whole range of compositions were obtained with weight-average molecular weights ...

    • Biodegradable copolyesters of poly(hexamethylene terephthalate) containing bicyclic 2,4:3,5-di-O-methylene-D-glucarate units 

      Japu, Cristina; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Alla Bedahnane, Abdelilah; García Martín, Maria de Gracia; Galbis Pérez, Juan Antonio; Muñoz Guerra, Sebastián (2014-11-01)
      Article
      Restricted access - publisher's policy
      A set of copolyesters (PHTxGluxy) with compositions ranging between 90/10 and 50/50 in addition to the parent homopolyesters poly(hexamethylene terephthalate) (PHT) and PHGlux, are prepared by the melt polycondensation of ...

    • Carbohydrate-based copolyesters made from bicyclic acetalized galactaric acid 

      Lavilla Aguilar, Cristina; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Benito, Elena; García Martín, Maria de Gracia; Galbis Pérez, Juan Antonio; Muñoz Guerra, Sebastián (2012-04-15)
      Article
      Restricted access - publisher's policy
      Mixtures of the dimethyl esters of adipic acid and 2,3:4,5-di-O-methylene-galactaric acid (Galx) were made to react in the melt with either 1,6-hexanediol or 1,12-dodecanediol to produce linear polycyclic copolyesters with ...

    • Carbohydrate-based PBT copolyesters from a cyclic diol derived from naturally occurring tartaric acid: a comparative study regarding melt polycondensation and solid-state modification 

      Lavilla Aguilar, Cristina; Gubbels, Erik; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Noordover, Bart A. J.; Koning, Cor E.; Muñoz Guerra, Sebastián (2014-04-01)
      Article
      Restricted access - publisher's policy
      2,3-O-Methylene-L-threitol (Thx) is a cyclic carbohydrate-based diol prepared by acetalization and subsequent reduction of the naturally occurring tartaric acid. The structure of Thx consists of a 1,3-dioxolane ring with ...

    • Carbohydrate-based polyesters made from bicyclic acetalized galactaric acid 

      Lavilla Aguilar, Cristina; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Benito, Elena; García Martín, Maria de Gracia; Galbis Pérez, Juan Antonio; Muñoz Guerra, Sebastián (2011-07-11)
      Article
      Open Access
      The 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 

      Marín, Romina; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (2012-01-15)
      Article
      Restricted access - publisher's policy
      A 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 

      Bautista, Mayka; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Alla Bedahnane, Abdelilah; Vives, Marc; Morató Farreras, Jordi; Muñoz Guerra, Sebastián (2016-02-01)
      Article
      Open Access
      The 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 ...

    • Comb-like ionic complexes of hyaluronic acid with alkyltrimethylammonium surfactants 

      Tolentino, Ainhoa; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (2013-01-30)
      Article
      Restricted access - publisher's policy
      Stoichiometric 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 

      Tolentino, Ainhoa; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (2011-08-15)
      Article
      Restricted access - publisher's policy
      Ionic 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 Poly(gamma-glutamic acid) and Alkanoylcholines Derived from Fatty Acids 

      Tolentino, Ainhoa; León, Salvador; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (American Chemical Society (ACS), 2013-02-15)
      Article
      Restricted access - publisher's policy
      A 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 

      Fernández Lopez, Carlos E.; Bermúdez Hermida, Marta María; Alla Bedahnane, Abdelilah; Muñoz Guerra, Sebastián; Tocha, E.; Vancso, J. (Elsevier, 2011-03-23)
      Article
      Restricted access - publisher's policy
      A 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 

      Tolentino Chivite, Ainhoa; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (2014-05-01)
      Article
      Restricted access - publisher's policy
      Ionic 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. ...

    • Copoliésteres alifáticos derivados del ácido galactárico diacetalizado 

      Lavilla Aguilar, Cristina; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Benito, Elena; García Martín, Maria de Gracia; Galbis Pérez, Juan Antonio; Muñoz Guerra, Sebastián (2012)
      Conference lecture
      Open Access

    • Copolyesters made from 1,4-butanediol, sebacic acid, and D-glucose by melt and enzymatic polycondensation 

      Japu, Cristina; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Alla Bedahnane, Abdelilah; Jiang, Yi; Loos, Katja; Muñoz Guerra, Sebastián (2015-03-09)
      Article
      Open Access
      Biotechnologically 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 ...

    • Elastomeric copolyesters of omega-pentadecalactone and cyclohexylenedimethylene succinate obtained by enzymatic polymerization 

      Urpí Garriga, Lourdes; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon (Elsevier, 2023-01)
      Article
      Open Access
      The use of renewable monomers and green polymerization processes for preparing new synthetic polymers is a hot topic today. In this work we have obtained high molecular weight copolyesters derived from ¿-pentadecalactone ...