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Mostrando ítems 1-10 de 13
Relação estrutura propriedade da poliamida 6 aditivada com óleo de soja modificado com anidrido maleico
(2015-10-01)
The use of additives from alternative sources to petrochemical has attracted the interest of many academic researches and applications. The inputs as soybean oil have great potential in the polymer modification. However, ...
Processamento reativo de nanocompósitos iPP-POSS
(2015-10-06)
The interaction modes of polyhedral oligomeric silsesquioxane (POSS) of closed cages with distinct functional groups were evaluated on isotactic polypropylene (iPP) nanostructuration via reactive processing. POSS were ...
Estudo morfológico de uma blenda de I-PP e EPDM com argila
(2015-10-07)
In this work were investigated the morphological, themal and rheological properties of a isotactic polypropylene/ethylene-propylene-diene terpolymer rubber/nanoclay Cloisite 15A composite, prepared by mixed melt and submitted ...
Preparação e caracterização de filmes finos automontados de polieletrólitos/TiO2/CdSe para aplicação na geração de hidrogênio a partir da fotocatálise da água
(2016-06-27)
The self-assembled films (SAF) by physical adsorption, compounds of organic polyelectrolytes and inorganic semiconductor nanoparticles are considered an inexpensive process and non-pollutant deposition that gives films ...
Obtenção e caracterização de compósitos preparados com poliestireno expandido reciclado e pó de madeira
(2014-05-29)
The present work aims to analyze the mechanical, thermal, dynamicalmechanical thermal properties and morphology of composites based on recycled polystyrene and wood flour. Composites with different types and levels of ...
Avaliação das técnicas de dispersão mecânica e ultrassônica de nanotubos de carbono de paredes múltiplas em resina epóxi
(2014-06-03)
In this study nanotubes/epoxy composites were produced in order to evaluate which of the two studied techniques would result in a better degree of dispersion and unentanglement of carbon nanotubes in epoxy resin. The ...
Síntese de poliuretano termoplástico modificado com POSS via extrusão reativa
(2014-06-03)
In this work, thermoplastic polyurethanes (TPU) were synthesized in solution process and reactive extrusion in twin-screw extruder. The TPUs were obtained with the use of pre-polymer based on 4,4´-Methylenediphenyl ...
Influência do uso de plastificante nas propriedades térmicas e mecânicas de nanocompósitos de POLI (Hidroxibutirato-CO-Hidroxivalerato)
(2015-11-19)
The aim of this work was to evaluate the influence of the addition of a plasticizer – triethyl citrate (TEC) – on the thermal and mechanical properties of biodegradable polymer nanocomposites based on poly(hydroxybutyrat ...
Preparação e caracterização de membranas de polisulfona-poliuretano para recuperação de água de processos têxteis industriais simulados
(2021-03-12)
Techniques using membranes for the treatment of wastewater usually promote higher quality of treated water when compared to other processes. Among them, pervaporation has advantages in terms of selectivity, in addition to ...