Browsing by Author "Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon"
Now showing items 1-20 of 114
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A biodegradable copolyester, poly(Butylene succinate-co-e-caprolactone), as a high efficiency matrix former for controlled release of drugs
(2021-07-01)
Article
Open AccessA biodegradable copolyester, poly(butylene succinate-co-e-caprolactone) (PBS_CL), was used for first time as an excipient for pharmaceutical dosage forms using direct compression and hot processing techniques (ultrasound-assisted ... -
A green strategy for the synthesis of poly(ethylene succinate) and its copolyesters via enzymatic ring opening polymerization
(2017-10)
Article
Open AccessPoly(ethylene succinate) (PES) with weight-average molecular weight above 60,000 g mol-1 was efficiently obtained by enzymatic ring opening polymerization of cyclic oligo(ethylene succinate)s c(ES)n, which in turn were ... -
Application of ultrasound-assisted compression and 3D-printing semi-solid extrusion techniques to the development of sustained-release drug delivery systems based on a novel biodegradable aliphatic copolyester
(2024-05)
Article
Open AccessThe purpose of this study was to investigate the ability of two advanced hot-processing technologies, Ultrasound-Assisted Compression (USAC) and 3D-printing Semi-solid Extrusion (SSE), to manufacture sustained-release drug ... -
Bio-based aliphatic polyesters from aliphatic diacids and bicyclic alditols: A comparative study
(2016)
Conference lecture
Open AccessIn this work we have prepared and compared the thermal and mechanical properties of aliphatic polyesters made from aliphatic diacids with different polymethylene chain lengths (2, 4, 6, 8) and three bicyclic sugar derived ... -
Bio-based aromatic polyesters and copolyesters by ring opening polymerization
(2016)
Conference lecture
Open AccessIn this work, the synthesis of both c(BF)n and c(BT)n has been performed using the high dilution cyclization technique and these cycles have been then used for the preparation of the homopolyesters PBF and PBT, as well as ... -
Bio-based aromatic polyesters from a novel bicyclic diol derived from D-mannitol
(American Chemical Society (ACS), 2012-10-23)
Article
Open Access2,4:3,5-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
(2015-05-12)
Article
Open Access2,4:3,5-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
(Elsevier, 2012-07-19)
Article
Restricted access - publisher's policyCopolyesters 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
(Elsevier, 2014-05-13)
Article
Restricted access - publisher's policyTwo 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
(Elsevier, 2013-03-08)
Article
Restricted access - publisher's policyA 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 ... -
Biobased waterborne polyurethane-urea/SWCNT nanocomposites for hydrophobic and electrically conductive textile coatings
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-05-17)
Article
Open AccessWaterborne polyurethane-urea dispersions (WPUD), which are based on 100% bio-based semi-crystalline polyester polyol and isophorone diisocyanate, have been successfully synthesized and doped with single-walled carbon ... -
Biobased waterborne polyurethane-ureas modified with POSS-OH for fluorine-free hydrophobic textile coatings
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-10-13)
Article
Open AccessWaterborne polyurethane-urea dispersions (WPUD), which are based on fully biobased amorphous polyester polyol and isophorone diisocyanate (IPDI), have been successfully synthesized obtaining a finishing agent that provides ... -
Biocompatible graft copolymers from bacterial poly(gamma-glutamic acid) and poly(lactic acid)
(2021-07-14)
Article
Open AccessWe report a novel approach for the modular and convergent construction of biocompatible graft copolymers starting from bacterial poly(¿-glutamic acid)(¿-PGA) and incorporating poly(lactic acid) (PLA). This synthesis strategy ... -
Biodegradable aromatic copolyesters made from bicyclic acetalized galactaric acid
(2012-08-15)
Article
Restricted access - publisher's policyRandom 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
(2014-11-01)
Article
Restricted access - publisher's policyA 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 ... -
Block and graft copolymers made of 16-membered macrolactones and l-Alanine: a comparative study
(2019-08-01)
Article
Open AccessBlock and graft poly(macrolactone)-poly(a-amino acid) copolymers made of l-alanine and pentadecalactone or globalide respectively, are prepared. A sequential ring-opening polymerization (ROP) copolymerization route consisting ... -
Blocky poly(epsilon-caprolactone-co-butylene 2,5-furandicarboxylate) copolyesters via enzymatic ring opening polymerization
(2018-02-01)
Article
Open AccessCyclic oligo(butylene 2,5-furandicarboxylate) and e-caprolactone were copolymerized in bulk at 130-150 ºC by enzymatic ring opening polymerization using CALB as catalyst. Copolyesters within a wide range of compositions ... -
Carbohydrate-based copolyesters made from bicyclic acetalized galactaric acid
(2012-04-15)
Article
Restricted access - publisher's policyMixtures 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
(2014-04-01)
Article
Restricted access - publisher's policy2,3-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
(2011-07-11)
Article
Open AccessThe 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. ...
