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Influência das variáveis do processo de mistura na morfologia e propriedades finais de filmes tubulares de nanocompósitos de polietileno de alta densidade
(Universidade Federal de São Carlos, 2006-12-15)
Blown of films is one of the most important processes of polymers for packaging application. The final properties are strongly linked with the morphology developed during the processing. The relationship between process ...
Avaliação do comportamento mecânico de nanocompósito de PEEK/nHA sob curta e longa duração para aplicação como biomaterial
(Universidade Federal de São Carlos, 2012-04-27)
The main objectives of this dissertation were to study the short (tensile and impact) and long-term (fatigue) mechanical behavior of nanocomposites of poly(ether-ether-ketone), PEEK, with nanohydroxyapatite, nHA, for ...
Obtenção e caracterização de nanocompósitos de poli(cloreto de vinila): plastisol com argila
(Universidade Federal de São Carlos, 2011-03-03)
This project aims to study the effect of adding nanoparticles in the plastisol of poly(vinyl chloride) microsuspension. The influence of two different types of nanoclay, sodium montmorillonite and organophilic montmorillonite ...
Influência da nanoargila (O-MMT) nas propriedades mecânicas de polipropileno reforçado com fibra de vidro
(Universidade Federal de São Carlos, 2014-07-01)
Hybrid filler reinforced thermoplastics composed with short glass fiber (GF) and different particulate fillers present special interest for engineering applications, as substantial reductions in mechanical anisotropy and ...
Desenvolvimento de compósitos híbridos de epóxi/nanotubos de carbono/cargas minerais e avaliação das propriedades elétricas e termomecânicas: efeito da viscosidade e do solvente
(Universidade Federal de São Carlos, 2018-09-17)
In this research project, epoxy/carbon nanotubes/mineral fillers hybrid nanocomposites were produced using a high energy sonication process. Moreover, two epoxy resins based on DGEBA with different viscosities were used, ...
Processamento de nanofibras de poliamida 66 / nanotubos de carbono de múltiplas camadas por eletrofiação
(Universidade Federal de São Carlos, 2010-03-26)
Nanocomposite fibers with polymer matrix have many applications, such as protective clothing, filtration and artificial blood vessels. Many of these applications require that the fiber has nanometric size due to some ...
Nanocompósitos à base de MG: processamento, estrutura e propriedades de novos materiais para armazenagem de hidrogênio
(Universidade Federal de São Carlos, 2006-02-17)
Magnesium is light, abundant and it can store up to 7.6 wt. % of
hydrogen forming the hydride MgH2 and therefore it is a promising material for
hydrogen storage. However, the H-sorption occurs at relatively high
temperatures ...
Compósitos e nanocompósitos de polietileno-celulose : efeito do tamanho e da composição da fibra e do processamento nas propriedades óticas e mecânicas dos filmes
(Universidade Federal de São Carlos, 2017-08-31)
In this study an aqueous dispersion of a polyethylene copolymer with a content of 6 wt% of acrylic acid was used as an alternative medium for incorporation of cellulosic fibers (FC), nanofibrils (NFC) and lignocellulosic ...
Obtenção de nanocompósitos de poliamida 6 / argila nacional com diferentes agentes compatibilizantes
(Universidade Federal de São Carlos, 2005-09-01)
The formation of nanocomposites well exfoliated is dependent of several factors, like organic treatment with appropriate ammonium quaternary salts to promote adequate interaction between polymer and clay. The objective of ...
Desenvolvimento de nanocompósitos de blendas PA6/ABS compatibilizadas com copolímeros funcionalizados
(Universidade Federal de São Carlos, 2014-09-22)
Nanocomposites based on polyamide 6 (PA6) and acrylonitrile-butadienestyrene
(ABS) blends compatibilized with styrene-maleic anhydride-acrylonitrile
(SANMA) and methyl methacrylate-maleic anhydride (MA-MMA) were prepared
by ...