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Now showing items 111-120 of 132
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 ...
Produção e Caracterização de Filme de a-C:H(N)
(Universidade Federal de São Carlos, 2018-10-03)
The great interest in using diamond-like carbon (DLC) thin films is justified by their remarkable properties. The DLC film may incorporate other atomic elements depending on the precursor gas and the deposition conditions ...
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, ...
Desenvolvimento de um sistema de liberação utilizando nanotubos de TiO2
(Universidade Federal de São Carlos, 2020-07-24)
Titanium-based implants are being commonly used in the field of biomedicine due to their attractive biocompatibility and their mechanical properties that contribute to a better performance of the material. This dissertation ...
Síntese e caracterização de hidrogel para processo de fracionamento da lignina extraída do bagaço de cana-de-açúcar
(Universidade Federal de São Carlos, 2019-03-08)
Brazil is currently considered the largest producer of sugarcane in the world, which results directly in tons of lignocellulosic biomass residues. The use and recycling of these process residues would reduce the environmental ...
Comparação do método químico e método a plasma no preparo de nanocompósitos de prata e nanocelulose
(Universidade Federal de São Carlos, 2020-04-02)
Cellulose, being a biodegradable material, flexible and with good mechanical resistance, has been attracting great interest in studies, as it is a biopolymer from a renewable source and widely available in nature. It can ...
Obtenção de nanocelulose bacteriana de kombucha
(Universidade Federal de São Carlos, 2020-03-24)
In the last years, sustainable materials that provide less environmental impact are gaining special attention. In this context, cellulose, a natural and abundant polymer from several renewable vegetable and microbial ...
Conjunto de dados de annealing aplicados a Termocronologia por traços de fissão em Zircão: estudo de caso de uma amostra brasileira
(Universidade Federal de São Carlos, 2021-03-10)
Fission Track Thermochronology (TTF) has been used for decades as a technique that makes it possible to date and infer the thermal history of rocks in regions of geological interest, from different minerals. The methodology ...
Obtenção de heteroestruturas SnO2/Nb2O5 e aplicação em sistemas de interesse ambiental
(Universidade Federal de São Carlos, 2021-03-19)
The population increase has caused several environmental problems such as contamination of aquatic bodies by organic compounds and the emission of CO2 in the atmosphere. An alternative to mitigate these impacts is Heterogeneous ...
Caracterização de filmes de alginato de sódio e PEDOT:PSS para potencial aplicação em dispositivos eletrocrômicos
(Universidade Federal de São Carlos, 2019-03-25)
Polymer (3,4-ethylenedioxythiophene) in association with PSS Poly (4-styrenesulfonic acid) PEDOT: PSS, are a class of materials that associate properties found in plastics with electrical characteristics present in metals. ...