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Síntese e caracterização de Poli(L-co-DL ácido lático-co-policaprolactona)uretana.
(Universidade Federal de São Carlos, 2018-03-27)
Polyurethanes are applied for many purposes. This wide use is due to the versatility of these polymers, consisting of flexible and rigid segments, whose combination determines their characteristics. Therefore, the main ...
Modificação de quitosana com ácido hialurônico e sua blenda com colágeno para aplicação biomédica
(Universidade Federal de São Carlos, 2019-03-08)
As in other areas of application, researchers in the field of biomaterials have been looking for materials from natural sources for the installation of implantable or curative devices, in this sense, a chitosan has been ...
Obtenção de acetato de celulose a partir de bagaço de cana-de-açúcar e análise de degradação in vitro
(Universidade Federal de São Carlos, 2019-03-07)
The Sugarcane (Saccharum officinarum L.) is currently one of the main agricultural products. Considering the high production of sugarcane bagasse in Brazil and in the world, the objective was to obtain pre-treated sugarcane ...
Viabilidade de queima de casca de eucalipto em fornos de cimento
(Universidade Federal de São Carlos, 2020-07-31)
Cement factories, have rotary kilns that use fuels, either fossil, coprocessed or renewable (biomass) and are capable of absorbing all the ash produced during the process, as well as allowing the raw material to be adapted ...
Influência da mescla de resinas uréia formaldeído e difenilmetano 4,4’- diisocianato (MDI) nas propriedades mecânicas e emissão de formaldeído de painéis de madeira aglomerada
(Universidade Federal de São Carlos, 2017-12-08)
Several studies take place in order to reduce and even extinguish formaldehyde use in its various applications. This is due to its classification as a carcinogen according to the International Agency for Research on Cancer ...
Estudo da influência da oxidação a plasma nas propriedades tribológicas da liga metálica TI-6AL-4V.
(Universidade Federal de São Carlos, 2019-03-29)
The oxidation thermal or the plasma on the surface of the titanium mean to improve the surface resistance to corrosion and abrasive wear, increase the surface hardness and increase the thickness of the formed oxide. Oxidation ...
Construção de equipamento de tratamento de superfície a plasma com fonte DC pulsada para tratamento de nitretação iônica.
(Universidade Federal de São Carlos, 2017-10-06)
Surface treatment techniques such as plasma aided nitriding, although very well consolidated in the industry, must still be studied well and improved. Based on this idea and with the objective of looking for better treatment ...
Moldagem e comparação de propriedades de compósitos de poli(butileno adipato-co-tereftalato) reforçados com tecidos de fibras vegetais
(Universidade Federal de São Carlos, 2019-03-25)
In recent years, the increasing volume of polymer resin production and use has generated environmental problems caused by the post-consumption disposal of these materials, which become huge amounts of waste due to the ...
Síntese e formação de nanoestruturas e filmes de alumina anódica porosa
(Universidade Federal de São Carlos, 2014-01-30)
This paper presents a methodology for obtaining the porous anodic
alumina. anodization of aluminum in acidic electrolytes may specifically result in
different types of oxide films as a barrier type porous type. Anodic ...
Espectroscopia micro-Raman e MEV/EDS aplicados a minerais do Craton São Francisco: evidência da formação de pirita mediada biogenicamente e suas conexões com a origem da vida
(Universidade Federal de São Carlos, 2019-03-19)
The occurrence and isotopic composition of carbonaceous components in ancient rocks are strong evidence of life forms on the Earth's surface since the Eoarchean (> 3.7 Ga). These organic components are found in rocks formed ...