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Síntese e caracterização de géis para cromatografia de exclusão por tamanho via reticulação de Acetato de Celulose com 4,4' - Difenilmetano Diisocianato (MDI)
(Universidade Federal de São Carlos, 2016-03-28)
The need to obtain biomaterials in order to reduce environmental impacts has been the focus of research groups in recent years, and cellulose, a dominant component at most forms of plants is a promising resource because ...
Tratamento a plasma de nanofibrilas de celulose para aplicação em compósitos
(Universidade Federal de São Carlos, 2017-03-15)
The application of cellulose nanofibrils to the production of composites has been studied and presents promising results, mainly due to the abundance of the material, which is of a renewable source, and to its low cost. ...
Géis superabsorventes de propionato acetato de celulose e acetato de celulose: síntese, caracterização e liberação controlada de pesticida
(Universidade Federal de São Carlos, 2011-12-16)
Hydrogels derived from cellulose acetate propionate (CAP) and cellulose acetate (CA) were synthesized with the cross-linking agents PMDA (Pyromellitic Dianhydride) and BTDA (Dianhydride 3, 3 ', 4, 4' Benzophenone ...
Obtenção e caracterização de laminados de compósitos poliméricos híbridos de fibras de juta a partir de laminados de fibras de vidro utilizados na fabricação de pás eólicas
(Universidade Federal de São Carlos, 2017-05-29)
At last years due to increasing use of composite materials of synthetic fibers with thermosetting matrix, several alterative have been sought trying to minimize the impacts generated by both the dispose of this material ...
Análise da microconformação do alumínio de grãos ultrafinos
(Universidade Federal de São Carlos, 2018-08-08)
Product miniaturization is a current trend, involving several industry segments. Microforming is an especially interesting process to produce parts in millimeter scale because of its high productivity. The grain size can ...
Estudo da resistência à corrosão intergranular do aço inoxidável austenítico f138 - perspectiva de desempenho após Deformação Plástica Severa (DPS)
(Universidade Federal de São Carlos, 2018-10-26)
Austenitic stainless steels are widely used in heating and cooling circuits of thermoelectric and nuclear power plants (NPP) in the storage and reprocessing of nuclear fuels, mainly because they have good processability, ...
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 ...
Estudo comparativo das tensões na interface de compósitos de resina epóxi reforçados com fibras de carbono, aramida e vidro.
(Universidade Federal de São Carlos, 2011-02-08)
Currently, composite materials are being used in several areas in substitution of some metallic alloys regarding to its superior properties and greater project flexibility. Therefore, synthetic fibers reinforced epoxy resin ...
Uso da língua eletrônica na avaliação de soluções ultradiluídas.
(Universidade Federal de São Carlos, 2011-04-23)
In this work it was used an electronic tongue constituted by ultrathin films of distinct materials deposited on gold interdigitated electrodes. According to the impedance measurements taken, it was tested if the device is ...
Estudo e caracterização de composições de coque e fibras vegetais (bagaço de cana e madeira) para aplicação na produção de briquetes
(Universidade Federal de São Carlos, 2011-02-25)
"Green" petroleum coke is a solid product, obtained from the cracking of heavy residual oils in the waste conversion units called delayed coking units (UCR). The market for application of "green" coke is very broad, perhaps ...