Listar Materiales Poliméricos - GIMAPOL por título
Mostrando ítems 17-33 de 33
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Maleinized Hyperbranched Polyol Polyester: Effect of the Content of Maleic Anhydride in the Structural, Thermal and Rheological Properties
(Macromolecular Research, 2019-03-29)The aim of this work is to obtain the material that, in the future, may become a better alternative, as a functionalizing agent, to maleic anhydride (MA), or a crosslinking agent with the least amount of functional groups. ... -
Mn-modification effects on Nb2O5 structural, optical and vibrational properties
(Journal of Physics: Conference SeriesWashintong D.C , Estados Unidos, 2017-12-29)In this study Mn-modification (at 1%, 2.5%, 5% and 10%) on Nb2O5 was carried out through the Pechini method; the annealing temperatures: 400°C, 500°C, 600°C and 700°C, were used to study the thermal stability of the system ... -
Niobium Pentoxide Samples with Addition of Manganese at Different Concentrations and Calcination Temperatures Applied in the Photocatalytic Degradation of Rhodamine B
(Applied SciencesBerna , Suiza, 2020-06-21)In order to improve the photocatalytic effect of Nb2O5, manganese from 1% to 10% was added by the polymeric precursor’s method. The samples obtained were subjected to different calcination temperatures from 400 to 700 °C. ... -
Polietileno de baja densidad funcionalizado con un poliéster poliol altamente ramificado maleinizado
(Ingeniería Y CienciaBogota , Colombia, 2016-02-22)En este trabajo, polietileno de baja densidad (PEBD) fue modificado en estado fundido con un poliester poliol altamente ramificado maleinizado (HBPAM), usando varias proporciones de peróxido de dicumilo (0.5, 1.0, 1.5 ... -
Properties of the thermoplastic starchpolylactic acid blends compatibilized by hyperbranched polyester
(Journal of Physics: Conference Series, 2020-08-05)With the aim of to contribute to the employ of new compatibilizing agent and to the preparation of biodegradable materials, in this study were obtained thermoplastic starch/polylactic acid blends and was evaluated the ... -
Quicklime as an alternative in the photodegradation of contaminants
(Journal of Physics: Conference SeriesBogota ,Colombia, 2016-02-12)Chemical oxidation is one of the many different methods of removing contaminants that has emerged recently, is an alternative method to traditional techniques. According to this research calcium peroxide is suitable choice ... -
Rheological, morphological, film and thermal properties of emulsions of polyvinyl acrylic resins, carboxymethyl cellulose and titanium oxide
(Journal of Physics: Conference Series, 2019-11-29)The study of the physical-chemistry properties of dispersions are very importants in the coating industry, since of it depend the application and stability of these systems. Therefore, the aim of this investigation was ... -
Structural, thermal, rheological, morphological and mechanical properties of polypropylene functionalized in molten state with maleinized hyperbranched polyol polyester
(European Polymer Journal, 2019-09)In a previous study, we realized the functionalization of polypropylene (PP) with maleinized hyperbranched polyol polyester (MHBP) by using dicumyl peroxide (DCP) as an initiator for obtaining the PP-g-MHBPs. This process ... -
Structural, thermal, rheological, morphological and mechanical properties of thermoplastic starch obtained by using hyperbranched polyester polyol as plasticizing agent
(Revista DYNABogota ,Colombia, 2018-07-01)In this work, the effect of the proportion of a hyperbranched polyester polyol (HBP) of fourth generation on the structural, thermal, rheological, morphological and mechanical properties of tapioca starch/HBP blends (TPS) ... -
Study of the structural, thermal, rheological and film properties of functional copolymers of hydroxyethyl acrylate and methyl methacrylate
(PolimerosBrasilia, Brasil, 2016-08-04)New functional polymers will be prepared using alkyd resins having high solid content (environmentally friendly) and comb-type structural morphology. Different copolymers of hydroxyethyl acrylate and methyl methacrylate ... -
Styrene–hydroxyethyl acrylate copolymer based alkyd resins with a comb-type structural morphology obtained with a high solid content
(Journal of Applied Polymer ScienceWashintong D.C , Estados Unidos, 2016-06-22)Nowadays, so many studies are being carried out with the goal of obtaining environmentally friendly materials. In this study, styrene–hydroxyethyl acrylate copolymer (St-co-HEA) based alkyd resins with high solid contents ... -
Synthesis and characterization of a derivative of carbazole obtained from bromobenzyl alcohol
(Journal of Physics: Conference Series, 2019-11-29)Carbazole and their derivatives are compounds that have a great importance in the industry because their potential applications in solid-state lighting technologies. These materials have photorefractive and photoconductive ... -
Synthesis and characterization of the oxide nanoparticles obtained by the polymeric precursor method
(Journal of Physics: Conference SeriesBerlin , Alemania, 2016-02-12)Niobium pentoxide (Nb2O5) nanoparticles were prepared by the polymeric precursor method using citric acid as a chelating agent and ethylene glycol as a polymerizing agent. The powders obtained were characterized by X-ray ... -
Synthesis and Structural Properties of Niobium Pentoxide Powders: A Comparative Study of the Growth Process
(Materials ResearchBrasilia , Brasil, 2016-10-10)Powders Nb2 O5 were prepared by two different synthesis method, Sol-Gel and polymeric precursors (Pechini). In the Pechini method before adding the citric acid in the process, four different solutions were used to get the ... -
Vibrational Raman modes and particle size analysis of cupric oxide with calcination temperature
(Indian Journal Of Pure '&' Applied PhysicsNueva Delhi , India, 2019)In this work a study of the effect of the synthesis conditions on the vibratory and particle size properties in the cupric oxide (CuO) has been presented. The synthesis has been carried out by the polymeric precursor method ... -
Waterborne hyperbranched alkyd-acrylic resin obtained by miniemulsion polymerization
(PolimerosBrasilia , Brasil, 2016-12-08)Four waterborne hyperbranched alkyd-acrylic resins (HBRAA) were synthesized by miniemulsion polymerization from a hyperbranched alkyd resin (HBR), methyl methacrylate (MMA), butyl acrylate (BA) and acrylic acid (AA), by ... -
Waterborne star-shaped styrene-alkyd resins
(Journal of Applied Polymer Science, 2019-08-13)Waterborne star-shaped styrene-alkyd resins (SSARs) were synthesized from a branched alkyd resin (AR) and styrene (St) by miniemulsion polymerization. SSARs are an environmentally friendly material. The ratio of AR to St ...