Materials Literature
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Polymer nanocomposites (PNCs) have several advantages, such as excellent mechanical properties, lightweight, durability, easy process-ability and low cost due to nanofiller high surface area. The main objective of this PhD thesis is to develop modified nanoclays for PNC, particularly high density polyethylene (HDPE) P…
Nanostructured porous materials have received considerable attention owing to its various device applications. Especially, porous materials with tunable structures and morphologies exhibits novel physico-chemical properties and various morphological versatilities, leading to the enhanced electrochemical performances i…
YBa2Cu3O7-δ (YBCO) coated conductors are very promising for power applications for a variety of technological applications such as motors, generators, transmission cables and other power systems. An efficient and low-cost process is crucial for the commercial implementation of superconducting power applications. The v…
In recent years utilizing biopolymer interactions, or crosslinking-assembled spherical structures, enabled the encapsulation and targeted delivery of numerous active ingredients. The self-assembly of proteins such as zein or casein micelles has already been explored as a vehicle for delivery of hydrophobic bioactive c…
Hydrogenation is a universal reaction, which is widely used in industry and academy. However, the reaction is not easy to be studied in extreme conditions such as high temperature and high pressure. On top of that, using Raman spectroscopy to observe the reaction is not so customary. Due to these aspects, the experime…
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Mecânica, Florianópolis, 2017.
AgradecimentosQuero prestar o meu mais profundo agradecimento ao Professor Doutor Senentxu Lanceros-Méndez, por tão bem me ter recebido, pelas palavras de conforto e a toda a "família" ESM pela integração e momentos bem passados.Um sincero agradecimento à Professora Doutora Fernanda Cássio, na qualidade de minha coori…
Organic based lithium ion batteries provide an alternative way to replace conventional lithium ions batteries due to their capable of providing high specific energy, high gravimetric energy, economical substances and environmental friendly. Organic carbonyl compounds, due to their multi-electrons ability and its struc…
In this work, a specific tumor-targeted small molecular fluorophore for synchronous long-duration cancer imaging, photodynamic therapy and photothermal therapy is synthesized. This novel fluorophore exhibits specific targeting ability in certain tumors (U87MG, MDA-MB-231, A549, etc.) based on its inherent structure, a…
In this paper, the catalysis of potassium on oxy-biomass combustion is studied using thermogrametric analysis (TGA). Effect of potassium salt type (KCl, K2CO3, and K2SO4), loading concentration, replacing N2 by CO2, and O2 concentration on the catalysis degree are discussed. The experimental results show that the comp…
Carbon particles (CPs) with regular spherical shape have intensive potential applications. Carbon spheres (CSs) with controllable sizes from 90 to 490 nm were prepared by hydrothermal process. The effects of hydrothermal parameters namely, concentration of glucose (0.1~0.9 mol/L), reaction temperature (170°C~190°C) an…
In this study, the objective of this work was to delevop a simple extraction and characterization of regenerated cellulose from oil palm wood. The purpose of this research is to extract cellulose from oil palm wood according to TAPPI test method. The extracted cellulose was treated with ionic liquid, BMIMCL at differe…
Most commercial vehicles use brake calliper made of grey cast iron (GCI) which possesses heavy weight. This contributes to the total weight of the vehicle which can lead to higher fuel consumption. Another major problem is GCI calliper tends to deflect during clamping action, known as bending of bridge. This will resu…
Nano-biotechnology holds a great potential in various fields of life sciences. Nanotechnology involves the use of materials with components that have dimensions less than 100 nm. The demand for green synthesis of nanoparticles increases day by day due to the drawbacks of chemical synthesis. Application of nano-sized m…
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-graduação em Ciência e Engenharia de Materiais, Florianópolis, 2017
Kenaf fiber mat reinforced unsaturated polyester composites have been prepared using compression moulding technique. To improve fibre matrix adhesion, the KFM was chemically treated with 2% and 6% concentration of alkaline while 3% and 6% of peroxide treatment respectively. Fourier transform infrared was used to inves…
Dentro del campo de la óptica y de la optoelectrónica, los radicales orgánicos se están convirtiendo en prometedores materiales gracias a su configuración de capa abierta. En este marco, el objetivo de esta tesis ha sido el desarrollo de radicales tritilo fotoestables y altamente luminiscentes. \nEn el capítulo I, tra…
Electrical installations in Argentina that are under the jurisdiction of the National Regulatory Authority for Electricity (ENRE) must comply with the emission peak MF of 25 μT, considering values as low as reasonably achievable.
In this article the correlation between the average molar mass and the melt flow rate (MFR) is achieved. Based on the example of Polyoxymethylene (POM) it is shown that a high average molar mass is associated with a low MFR (high viscosity). On the basis of this dependency, the mechanical properties of static and dyna…
espanolEl objetivo de esta tesis es la preparacion y caracterizacion de nano y microparticulas de biopolimeros para su uso en envases y embalajes alimentarios convencionales y activos. Se seleccionaron dos biopolimeros: Poli(3-hidroxibutirato-co- 3-hidroxivalerato) (PHBV) y almidon. Para el PHBV, los resultados mostra…