Výsledky vyhledávání - "J. M. Morancho"

Akademický článek

Epoxy/anhydride thermosets modified with end-capped star polymers with poly(ethyleneimine) cores of different molecular weight and poly(ε–caprolactone) arms

Autor: C. Acebo, M. Alorda, F. Ferrando, X. Fernandez-Francos, A. Serra, J. M. Morancho, J. M. Salla, X. Ramis

Publikováno v: eXPRESS Polymer Letters, Vol 9, Iss 9, Pp 809-823 (2015)

Multiarm star polymers, with a hyperbranched poly(ethyleneimine) (PEI) core and poly(ε-caprolactone) (PCL) arms end-capped with acetyl groups were synthesized by ring-opening polymerization of ε-caprolactone from PEI cores of different molecular we

Externí odkaz: https://doaj.org/article/8749d7f944fe43e5aa3bdf27c482ae5a

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Akademický článek

Unexpected differences between thermal and photoinitiated cationic curing of a diglycidyl ether of bisphenol A modified with a multiarm star poly(styrene)-b-poly(ε-caprolactone) polymer

Autor: J. M. Morancho, A. Cadenato, X. Ramis, M. Morell, X. Fernandez-Francos, J. M. Salla, A. Serra

Publikováno v: eXPRESS Polymer Letters, Vol 7, Iss 7, Pp 565-576 (2013)

The effect of adding a multiarm star poly(styrene)-b-poly(ε-caprolactone) polymer on the cationic thermal and photoinitiated curing of diglycidyl ether of bisphenol A was studied. This star-polymer decelerated the thermal curing of diglycidyl ether

Externí odkaz: https://doaj.org/article/0e6e5f0f536047f790ec28bb306be6d6

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Dual curing of an epoxy resin with dicarboxylic acids

Autor: J. M. Salla, Osman Konuray, Xavier Fernández-Francos, Xavier Ramis, J. M. Morancho, Angels Serra

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

In this work, we have studied the preparation and characterization of a new family of thermosets based on off-stoichiometric diacid-epoxy formulations in the presence of 1-methylimidazole as initiator. Tri-glycidyl para-amino phenol has been used as

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca9fc3679302dc16c4b82aa5437d2fdd
https://hdl.handle.net/2117/329922

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Curing of off-stoichiometric amine–epoxy thermosets

Autor: J. M. Salla, Xavier Ramis, Xavier Fernández-Francos, J. M. Morancho, Ali Osman Konuray, Angels Serra

Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

The kinetics of the epoxy–amine polycondensation and the epoxy homopolymerization in off-stoichiometric epoxy/amine formulations with excess of epoxy groups, and in the presence of an anionic initiator have been investigated. Diglycidyl ether of bi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::343c9dd5f78dbda3c9c3e1410d92f700
https://doi.org/10.1007/s10973-018-7158-2

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Curing and thermomechanical properties of off-stoichiometric anhydride-epoxy thermosets

Autor: J. M. Morancho, Osman Konuray, Xavier Fernández-Francos, Xavier Ramis, J. M. Salla, Angels Serra

Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

n the present work, we report the preparation and characterization of a new family of thermosets based on off-stoichiometric anhydride–epoxy formulations in the presence of an anionic initiator. Diglycidyl ether of bisphenol A (DGEBA) and hexahydro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15f0796bd039992fe027ed641a1952bd
https://hdl.handle.net/2117/176592

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Thermal curing of an epoxy-anhydride system modified with hyperbranched poly(ethylene imine)s with different terminal groups

Autor: Xavier Fernández-Francos, Xavier Ramis, J. M. Morancho, Angels Serra, Josep Maria Salla, Cristina Acebo

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Journal of Thermal Analysis and Calorimetry
Recercat. Dipósit de la Recerca de Catalunya
instname

Epoxy resins are widely used in applications such as adhesives, coatings, electric laminates, encapsulation of semiconductor devices, matrix material for composites, structural components and cryogenic engineering because of their mechanical properti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6c8a325f43a0ff7a8a9196fd3cb79d9f
https://hdl.handle.net/2117/100358

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Thermal analysis of enhanced poly(vinyl alcohol)-based proton-conducting membranes crosslinked with sulfonation agents for direct methanol fuel cells

Autor: Josep Maria Salla, Xavier Fernández-Francos, Yolanda Calventus, Xavier Ramis, A. Cadenato, P. Colomer, J. M. Morancho, R. Ruiz

Publikováno v: Journal of Applied Polymer Science. 124:E57-E65

Poly(vinyl alcohol)-based proton-conduct- ing membranes, due to their high selectivity for water with respect to alcohols, have been suggested as a promis- ing alternative to perfluorinated ionomer, Nafion V R , widely used as an electrolyte in hydro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7dfbc34e9d1da42128f99c24fdf880f5
https://doi.org/10.1002/app.35500

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Thermal curing and photocuring of an epoxy resin modified with a hyperbranched polymer

Autor: Xavier Fernández-Francos, Xavier Ramis, J. M. Morancho, A. Cadenato, Josep Maria Salla

Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

In this work we study the influence of a hyperbranched polymer (BOLTORN® H20) on the thermal curing and photocuring of DGEBA. Addition of low amounts of H20 slowed down dynamic thermal curing but further addition accelerated the process. During isot

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a0fece4415804c547575908f85423129
https://doi.org/10.1016/j.tca.2010.05.008

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A new strategy for controlling shrinkage of DGEBA resins cured by cationic copolymerization with hydroxyl-terminated hyperbranched polymers and ytterbium triflate as an initiator

Autor: Xavier Fernández-Francos, J. M. Morancho, Ana Mantecón, Angels Serra, Josep Maria Salla, A. Cadenato, Xavier Ramis

Publikováno v: Journal of Applied Polymer Science. 111:2822-2929

We report a novel strategy for preparing epoxy thermosetting systems with low shrinkage and improved flexibility and degradability. Diglycidyl ether of bisphenol A (DGEBA) resin was cured with different proportions of hydroxyl-terminated hyperbranche

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fb8635bcb8f7a33b3d9f4565033352af
https://doi.org/10.1002/app.29317

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Isothermal kinetics of photopolymerization and thermal polymerization of bis-GMA/TEGDMA resins

Autor: Xavier Fernández-Francos, A. Cadenato, Josep Maria Salla, J. M. Morancho, Xavier Ramis

Publikováno v: Journal of Thermal Analysis and Calorimetry. 92:513-522

The purpose of this work is to analyse certain kinetic features related to thermoinduced and photoinduced isothermal curing in the 25/75 mass% bis-GMA/TEGDMA system. The kinetic parameters associated with photo and thermal curing were determined and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7dd9c7f9e274469d832da2cb5915f81f
https://doi.org/10.1007/s10973-007-8432-x

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