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Avaliação da utilização de argilas em poliestireno de alto impacto reciclado de equipamentos eletroeletrônicos (REEE)
(Universidade Federal de São Carlos, 2018-04-26)
Due an annually increase of polymer production, lots of residues are being generated and recycled by low technology investments and it is used to produce simple material, as bags and containers. However, engineering polymers ...
Influência da laminação assimétrica nas propriedades mecânicas do alumínio AA 1050
(Universidade Federal de São Carlos, 2017-04-27)
Aluminum sheets are produced by rolling followed by annealing. However when submitted to deep drawing earing appears, caused by the plastic anisotropy resulting from the production process. After annealing the main texture ...
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 ...
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. ...
Estudo da aplicação de filmes automontados de PAH/PEDOT: PSS em membranas de Nafion®
(Universidade Federal de São Carlos, 2013-03-18)
The present work aimed the fabrication of layer-by-layer nanostructured films of poly (allylaminehydrochloride) (PAH) and poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate) (PEDOT:PSS) onto Nafion® 212 membranes. ...
Comportamento tribológico dos compósitos poliméricos utilizados no anel de atrito do amortecedor torcional de discos de embreagem
(Universidade Federal de São Carlos, 2017-11-18)
The three cylinder motors tend to vibrate more than the conventional four cylinder ones. In this new condition the transmission system and in particular the torsional damper of the clutch disc is subjected to sever wear ...
Blendas de carvão vegetal e carvão mineral para a produção de briquetes
(Universidade Federal de São Carlos, 2014-05-25)
Brazil produces about 37 million cubic meters of charcoal per year whit an increasing due to the gradual coal replacement, once the coal mined in Brazil does not have adequate levels of carbon for some purposes, such as ...
Blendas de polietileno e amido termoplástico modificado
(Universidade Federal de São Carlos, 2011-04-06)
The development of materials derived from renewable or biodegradable resources has attracted attention from academic and industrial sectors due to the growing need for replacement of synthetic materials derived from renewable ...
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 ...