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Obtenção do benzoato de fenila promovido por irradiação de micro-ondas
(2021-01-05)
Phenyl benzoate and its analogues are composed of various industrial applications, mainly in the pharmaceutical, flavoring and plasticizing industry. Given the difficulties of synthesis of these molecules, it is necessary ...
Comparativo das propriedades do carvão ativado oriundo da semente de uva e carvão ativado produzido a partir do bagaço na clarificação de vinho
(2021-05-08)
In Brazil, the Serra Gaúcha region is known for its great wine production. According to 2018 records from the Brazilian Wine Institute, 663.2 million kilograms of grapes were harvested in Brazil, in which the state of Rio ...
Avaliação das propriedades mecânicas e térmicas de compósitos de polietileno de alta densidade (PEAD) reforçados com diferentes estruturas carbonosas
(2021-05-08)
The development of polymeric nanocomposites has been the focus of research and has shown increasing interest in the industrial environment. The incorporation of carbonaceous structures in the polymeric matrix offers the ...
Modificação da superfície do polidimetilsiloxano (PDMS) para aplicação biomédica
(2021-05-10)
This work proposes a comparative study between different gases seeking to modify the surface by plasma etching of a polymeric biomaterial (polydimethylsiloxane) widely used as a dressing base. This biomaterial has excellent ...
Avaliação do uso de aditivos antichama halogenados e não halogenados na flamabilidade e nas propriedades mecânicas de compósitos de poliéster/fibra de vidro
(2021-05-08)
Over the years, the automobile industry has found itself in the obligation to manufacture automobiles made from polymeric parts, in order to reduce their weight. However, the parts made of composites that have fiber-reinforced ...
Avaliação das propriedades mecânicas, térmicas e físicas de compósitos de polietileno de alta densidade reciclado reforçado com fibras das coroa do abacaxi
(2021-05-08)
The increased use of polymeric materials in various sectors of industry has resulted in several environmental problems, since, with this growth too, there was the generation of a large amount of polymeric waste. An alternative ...
Desempenho à corrosão de corpos de prova de aço carbono revestidos com cromo trivalente e com posterior aplicação de um filme de passivação de cromo trivalente eletrolítico
(2021-06-29)
Currently, metallic electrodeposition is one of the most used ways to obtain protective barriers against corrosion media. For a long time, processes based on hexavalent chromium were used as a protective coating, but because ...
Avaliação das regiões de borda superficial após processos de cortes térmicos em um aço carbono com e sem pré-tratamento nanocerâmico e revestimento e-coat acrílico
(2021-06-29)
Thermal cuts are widely used in industries in order to obtain manufactured metal parts with good surface finish and preservation of their metallurgical properties, for use in subsequent production processes. Thus, many ...
Avaliação do efeito da adição de compostos orgânicos e inorgânicos como aditivos retardantes de chama não halogenados na flamabilidade do polipropileno
(2021-11-29)
Fires cause damage to life and financial losses. In view of the high flammability of polymeric materials and their growing use by industry, further studies to reduce their flammability are required. This work seeks to ...