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Desenvolvimento de filmes finos de organosilicone depositados a plasma para fotoproteção do polipropileno
(Universidade Federal de São Carlos, 2019-02-26)
Polypropylene (PP) is a polymer used industrially on a large scale. However, the PP has limitations in external use due to its sensitivity to photodegradation, when exposed to the elements. This limits the options of use ...
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 ...
Nanocompósito de poli(oxido de etileno) reforçado com nanocristais de celulose extraídos da fibra de tucum
(Universidade Federal de São Carlos, 2018-04-26)
The using of a nonrenewable resources in the production of new materials, in particular synthetics plastics, it is a cause for concern and environmental call ones due to its long degradability time. Although a lot of ...
Desenvolvimento e caracterização de filmes poliméricos de amido de milho nativo e modificado com incorporação de fibras de bagaço de cana e óleos vegetais.
(Universidade Federal de São Carlos, 2016-04-28)
A few years ago, several studies have been conducted to transformatio n of raw matter into renewable biodegradable materials, since it is necessary to rethink consumption and rationalize the use ...
Estudo das propriedades dinâmico mecânicas e de biodegradação de acetatos de celulose com diferentes graus de substituição
(Universidade Federal de São Carlos, 2016-04-11)
Currently, seek to technologies for new materials that minimize environmental problems, it leads researchers to develop polymers from renewable and biodegradab le sources, such as cellulose and ...
Aproveitamento do copolímero ABS reciclado na moldagem de compósitos com fibras de juta e avaliação de propriedades
(Universidade Federal de São Carlos, 2017-03-13)
In a technology-driven society, the increase of electrical and electronic equipment consumption has been a matter of concern in relation to its management, since the expectation is that the quantity of electrical and ...
Obtenção de nanocelulose via hidrólise ácida a partir dos resíduos da produção de cerveja
(Universidade Federal de São Carlos, 2016-04-01)
The industrial waste usage for technological application has been gaining ground in different segments and applications. One of the prominent sectors is Material technology, where these residues can be used to obtain the ...
Estudos de separação de lignina do licor negro kraft em diferentes condições experimentais: caracterização e fracionamento
(Universidade Federal de São Carlos, 2016-04-19)
The processes of separation and isolation of Kraft lignin obtained have been insufficiently resear ched, since much of the lignin of liqueurs obtained industrially is burned for energy recovery ...
Desenvolvimento de biossensor amperométrico baseado em monoamina oxidase-b para detecção de neurotransmissores
(Universidade Federal de São Carlos, 2015-02-27)
This work focuses on the production of nanostructured films of poly (ethyleneimine) PEI together with MAO-b free and encapsulated in liposomes constructed by the layer-bylayer technique (LbL), for application in biosensors. ...
Propriedades ópticas da alumina anódica porosa e o efeito do guia de onda
(Universidade Federal de São Carlos, 2015-02-11)
Nanoporous anodic alumina films (NAA) may present different behavior to reflectance and photoluminescence techniques, with Fabry-Pérot interferences and waveguide properties. This phenomenon makes possible the use of NAA ...