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Obtenção de nanofibras de celulose a partir de resíduos da indústria fumageira
(2016-02-25)
In the 2013/14 harvest, Brazil produced 751,000 tons of tobacco leaves. Tobacco industry employs tobacco leaves for cigarette and cigar production. About 4% of the tobacco leaves processed become a waste, which is basically ...
Obtenção e caracterização de espumas vítreas a partir de resíduos de lâmpadas fluorescentes descontaminados de mercúrio
(2015-02-23)
Glass foams are heterophasic materials applied in acoustic and thermal insulation, and compared to other materials, are lightweight and sturdy. Glass foams can be prepared from glass packaging, cathode ray tubes and other ...
Preparação e caracterização de membranas cerâmicas compostas tubulares para aplicação na separação de gases
(2015-02-23)
Within this context, this work aims to prepare membranes composed of α-alumina coated with palladium using the electroless plating technique associated with the sol-gel method. To achieve the objectives of the paper, ...
Avaliação das propriedades de compósitos de poli(hidroxibutirato-co-valerato) reforçado com fibras de curauá
(2014-07-10)
Composites are materials composed of two or more different materials, forming a heterogeneous class of materials which differ in physical and chemical properties. Recent studies on biodegradable polymer composites reinforced ...
Desenvolvimento de compósitos expandidos de poli(etileno-co-acetato de vinila) - eva reforçados com pó de madeira e com fibra de bananeira
(2014-07-10)
Expanded composites or vegetable fiber-reinforced cell composites are a new emerging class
of materials combining good mechanical properties of reduced density, having superior ability
of energy absorption at impact, as ...
Conversão termoquímica de capim-elefante em reator rotativo
(2016-07-25)
In recent years, renewable energy has received increased importance due to increased anthropogenic emissions of greenhouse gases to the atmosphere. Biomass is a promising renewable resource for the production of energy. ...
Desenvolvimento de espumas a base de amido de mandioca
(2015-06-25)
The environmental impact caused by improper disposal of packaging materials based on synthetic polymers, arouses interest in development packaging from biodegradable materials. The objective of this study was to develop ...
Desenvolvimento e caracterização de compósitos poliméricos poliéster/nanocelulose
(2015-11-24)
The search for low-impact, renewable materials is a recent research topic. The need to substitute materials from non-renewable sources is one of the main motivations for such studies in this area. In this context, one of ...
Desenvolvimento, caracterização e avaliação das propriedades mecânicas, térmicas e morfológicas de compósitos de polietileno de alta densidade reforçados com pó de pinus taeda e/ou alumina calcinada
(2015-09-14)
This work aimed at the development, evaluation and characterization of polymer matrix composites with high density polyethylene (HDPE) and wood of Pinus taeda, calcined alumina and compatibilizers. Composites have been ...