Exploració per tema "Epoxy resin"
Ara es mostren els items 1-15 de 15
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A novel comparative study of different layered silicate clay types on exfoliation process and final nanostructure of trifunctional epoxy nanocomposites
(2016-12)
Article
Accés obertThe effect of three different organically modified layered silicate clays (Nanomer I.30E, Cloisite 30B and Nanofil SE 3000) on the exfoliation process and on the thermal properties and nanostructure of cured trifunctional ... -
Amperometric thyroxine sensor using a nanocomposite based on graphene modified with gold nanoparticles carrying a thiolated beta-cyclodextrin
(2016-05)
Article
Accés obertThis article reports a novel electrochemical sensor based on a nanocomposite for the sensitive determination of Thyroxine (T4), the active form of the hormone. Hydrodynamic amperometry is performed with a nanocomposite ... -
Effect of hydroxyl ended and end-capped multiarm star polymers on the curing process and mechanical characteristics of epoxy/anhydride thermosets
(2014-08-01)
Article
Accés restringit per política de l'editorialMultiarm star polymers have been synthesized by cationic ring-opening polymerization of epsilon-caprolactone from a hyperbranched poly(ethyleneimine) core and end-capped with acetic anhydride. These star polymers have been ... -
Hybrid epoxy networks from ethoxysilyl-modified hyperbranched poly(ethyleneimine) and inorganic reactive precursors
(2015-09-01)
Article
Accés obertNew epoxy-silica hybrid coatings were prepared by a dual process consisting of a sol-gel process using tetraethoxysilane (TEOS) or 3-glycidyloxypropyl trimethoxysilane (GPTMS) in the presence of hyperbranched poly(ethyleneimine) ... -
Multiarm star with poly(ethyleneimine) core and poly(epsilon-caprolactone) arms as modifiers of diglycidylether of bisphenol A thermosets cured by 1-methylimidazole
(2013-03)
Article
Accés restringit per política de l'editorialWell-defined multiarm star copolymers, with hyperbranched poly(ethyleneimine) (PEI) as the core and poly(e-caprolactone) (PCL) arms with different degree of polymerization were synthesized by cationic ring-opening ... -
New catalysts for diglycidyl ether of bisphenol A curing based on thiol-epoxy click reaction
(2014-10-01)
Article
Accés restringit per política de l'editorialThe thiol-epoxy click reaction has been employed in the curing of diglycidyl ether of bisphenol A (DGEBA) using latent amine precursors in ratios of 0.5 and 2 phr. The kinetics of the curing of mixtures of DGEBA/thiol/amine ... -
New epoxy thermosets modified with amphiphilic multiarm star polymers as toughness enhancer
(2014-10-01)
Article
Accés restringit per política de l'editorialThe synthesis and characterization of two novel amphiphilic multiarm star polymers with linear polyethylene glycol (PEG) and poly(s-caprolactone) (PCL) arms and their use as toughening modifiers of epoxy anhydride thermosets ... -
New epoxy thermosets modified with multiarm star poly(lactide) with poly(ethyleneimine) as core of different molecular weight
(2013-08)
Article
Accés restringit per política de l'editorialMultiarm stars containing a hyperbranched poly(ethyleneimine) core of different molecular weight and poly(lactide) arms were synthesized by cationic ring-opening polymerization of lactide from a hyperbranched poly(ethyleneimine) ... -
Non-isothermal cure and exfoliation of tri-functional epoxy-clay nanocomposites
(Budapest University of Technology and Economics, 2015)
Article
Accés obertThe non-isothermal cure kinetics of polymer silicate layered nanocomposites based on a tri-functional epoxy resin has been investigated by differential scanning calorimetry. From an analysis of the kinetics as a function ... -
Novel epoxy-silica hybrid coatings by using ethoxysilyl-modified hyperbranched poly(ethyleneimine) with improved scratch resistance
(Elsevier, 2014-09-26)
Article
Accés restringit per política de l'editorialA new hyperbranched poly(ethyleneimine) with ethoxysilyl groups at the chain ends has been synthesized and characterized and then used in epoxy formulations to generate new organic/inorganic hybrid materials. Formulations ... -
Study of hyperbranched poly(ethyleneimine) polymers of different molecular weight and their interaction with epoxy resin
(2018-03-09)
Article
Accés obertTwo different commercial hyperbranched poly(ethyleneimine)s (HBPEI), with molecular weights (MW) of 800 and 25,000 g/mol, and denoted as PEI800 and PEI25000, respectively, as well as the mixtures with a Diglycidyl Ether ... -
Study of using resins to increase the durability of flax and sisal fibres to be used into FRCM.
(Universitat Politècnica de Catalunya, 2019-01-11)
Treball Final de Grau
Accés restringit per decisió de l'autorThe aim of this project is to study the influence of the durability of the natural fibre coated with a different type of resins (polyester and epoxy resins). Sisal and flax are the natural fibres used in this study coated ... -
The application of thermal analysis to the study of epoxy–clay nanocomposites
(Springer, 2016-08)
Article
Accés obertThe development of polymer layered silicate (PLS) nanocomposites goes back over 20 years now, and yet they still have not achieved their full potential. A principal reason for this is the difficulty of obtaining a truly ... -
Thermal analysis of polymer layered silicate nanocomposites. Identification of nanostructure development by DSC
(2014-11-01)
Article
Accés restringit per política de l'editorialIt has been shown, for three different polymer layered silicate (PLS) nanocomposite systems, how differential scanning calorimetry (DSC) can identify the different reactions of homopolymerisation and of crosslinking that ... -
UV generation of a multifunctional hyperbranched thermal crosslinker to cure epoxy resins
(Elsevier, 2011-07)
Article
Accés restringit per política de l'editorialA new hyperbranched polymer (HBP) was obtained via an iterative synthetic procedure that consists of esterification and thiol-ene click reaction. This polymer was used as a latent multifunctional macroinitiator for the ...