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Itens para a visualização no momento 11-20 of 36
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 ...
Mistura polimérica de poli(ácido lático)/poli(etileno-co-acetato de vinila) com incorporação de polietilenoglicol e quitosana como agentes modificadores de propriedades
(2016-06-21)
Poly (lactic acid) (PLA) has been employed in the packaging area, however, in order to improve its processing features and tenacity. Polymer blends of PLA with poly(ethylene-co-vinyl-acetate) (EVA), polyethylene glycol ...
Avaliação do desempenho de diferentes plastificantes em composições de poli (cloreto de vinila)
(2016-12-23)
The poly (vinyl chloride) (PVC) is one of the most widely used polymers in the world, mainly
due to the versatility of properties. The incorporation of additives alter its final characteristics
enabling a wide application, ...
Avaliação de diferentes condições de temperatura de molde e hidratação no desempenho de compósitos de poliamida 6 com fibra de vidro
(2018-06-25)
The use reinforced thermoplastics in technical parts, produced by the injection process, has grown, reaching prominence in polymer transformation industry. In this study, two different materials (Lanxess and Technyl) made ...
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 ...
Obtenção e caracterização de compósitos celulares à base de resíduo de SBR proveniente da indústria calçadista
(2014-05-19)
Rubber compositions of copoly(butadiene-styrene) (SBR) with incorporation of an expanded residue from shoe industry (SBR scraps) were developed aiming later application to obtain cellular composites.n The amounts of the ...
Desenvolvimento e caracterização mecânica e dinâmico-mecânica de compósitos poliméricos híbridos (vidro/ramie) moldados por transferência de resina
(2014-07-10)
The use of ramie fibers as reinforcement in polymer composites is justified considering their satisfactory mechanical properties in comparison with other natural fibers, and their hybridization with synthetic fibers can ...
Preparação e caracterização de membranas compósitas polisulfona/material celulósico como barreira seletiva
(2014-06-23)
This work investigated the preparation and obtaining of nanocrystalline cellulose
(cellulose whiskers or cellulose nanocrystals) for use in polysulfone composite membranes
prepared by phase inversion method. Preparation ...
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 ...