Articles de revista: Enviaments recents
Ara es mostren els items 25-36 de 61
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Efficient impact resistance improvement of epoxy/anhydride thermosets by adding hyperbranched polyesters partially modified with undecenoyl chains
(Elsevier, 2012-10-26)
Article
Accés restringit per política de l'editorialBoltorn H30 hyperbranched polyester has been modified by acylation with 10-undecenoyl chloride to obtain HBPs with different degree of modification. These HBPs have been used as reactive modifiers, in a proportion of 5 and ... -
Aplicaciones eléctricas del acrilonitrilo butadieno estireno (ABS) reforzado con neumáticosfuera de uso (CTR)
(2012-01)
Article
Accés obertLa masiva fabricación de neumáticos, así como su posterior almacenamiento una vez utilizados, constituye un grave problema medioambiental al que se intenta dar salida de diversas formas, entre las que se encuentra el ... -
Network structure and thermomechanical properties of hybrid DGEBA networks cured with 1-methylimidazole and hyperbranched poly(ethyleneimine)s
(2012-11-01)
Article
Accés restringit per política de l'editorialhe use of commercially available hyperbranched poly(ethyleneimine)s (Lupasol TM , BASF) as polymeric modifiers in diglycidyl ether of bisphenol A thermosetting formulations using 1-methylimidazole (MI) as anionic ... -
New aromatic-aliphatic hyperbranched polyesters with vinylic end groups of different length as modifiers of epoxy/anhydride thermosets
(2012-09)
Article
Accés restringit per política de l'editorialThe synthesis and characterization of two new aromatic–aliphatic hyperbranched polyesters modified with long and short vinylic chains was reported. These hyperbranched polymers were used as toughening modifiers of ... -
Enhancement of the impact strength of cationically cured cycloaliphatic diepoxide by adding hyperbranched poly(glycidol) partially modified with 10-undecenoyl chains
(2013-06)
Article
Accés restringit per política de l'editorialA hyperbranched poly(glycidol) has been synthesized and modified by acylation with 10-undecenoyl chloride to obtain hyperbranched polymers (HBPs) with different degree of modification. These HBPs have been used as reactive ... -
Dielectric, thermal, and mechanical properties of acrylonitrile butadiene styrene reinforced with used tires
(2012-06-19)
Article
Accés restringit per política de l'editorialMass production of tires as well as their storage or elimination is a real environmental problem. Various methods for recycling of tires are currently used, such as mechanical grinding, which separates vulcanized rubber, ... -
Influence of the isothermal cure temperature on the nanostructure and thermal properties of an epoxy layered silicate nanocomposite
(2013-03-08)
Article
Accés restringit per política de l'editorialThe cure kinetics of triglycidyl p-amino phenol (TGAP) epoxy resin with a diamine (4,4-diamino diphenyl sulphone [DDS]), reinforced with montmorillonite (MMT), has been studied by differential scanning calorimetry. The ... -
Intra- and extra-gallery reactions in tri-functional epoxy polymer layered silicate nanocomposites
(2012-09-05)
Article
Accés restringit per política de l'editorialAchieving a high degree of exfoliation in epoxy-based polymer layered silicate (PLS) nanocomposites is crucial to their successful industrial application, but has hitherto proved elusive. In this work, a system is presented ... -
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 ... -
Unexpected differences between thermal and photoinitiated cationic curing oa a diglycidyl ether of bisphenol. A modified with a multiarm star poly (styrene)-b-poly (e-caprolactone) polymer
(2013-03-18)
Article
Accés obertThe effect of adding a multiarm star poly(styrene)-b-poly("-caprolactone) polymer on the cationic thermal and photoinitiated curing of diglycidyl ether of bisphenol A was studied. This star-polymer decelerated the thermal ... -
Modification of epoxy-anhydride thermosets using a hyperbranched poly(este-amide): I. Kinetic study
(2012-05-16)
Article
Accés restringit per política de l'editorialAn epoxy-anhydride formulation used for the coating of electrical devices was modified with a commercially available hyperbranched poly(ester-amide), HybraneS2200, in order to improve the thermal degradability of the ... -
Study on dielectric, mechanical and thermal properties of polypropylene (PP) composites with ground tyre rubber (GTR)
(2012)
Article
Accés restringit per política de l'editorial