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Avaliações e correlações das propriedades reológicas, mecânicas e de cinética de cristalização de polímeros utilizados em processo de impressão 3d por FFF
(Universidade Federal de São Carlos, 2018-09-03)
Recently there has been an interest increase in the additive manufacturing process (AM), Fused Filament Fabrication (FFF) is one of the most commercially important extrusion-based process. The success of this technology ...
Blendas de poli(tereftalato de etileno) e poliamida 66 modificadas com sepiolita
(Universidade Federal de São Carlos, 2018-03-02)
Blends of recycled bottle-grade polyethylene terephthalate and virgin polyamide
66 (PET/PA66) with different compositions (75/25, 50/50, 25/75) unfilled and filled
with 5 phr of sepiolite clay (Sep) were investigated. ...
Compatibilização química em compósitos de PLA reforçados com fibras de sisal
(Universidade Federal de São Carlos, 2018-07-13)
Even though poly(lactic acid) (PLA) is fragile under impact and has low toughness, the polymer stands out for its stiffness and high tensile strength. This polymer is an interesting material not only for short-term ...
Nanocompósitos de poliuretano comercial e nanopartículas híbridas de núcleo Fe3O4 funcionalizado com capa orgânica de Poli(1,4-Butanodiol)
(Universidade Federal de São Carlos, 2018-02-23)
The use of inorganic nanoparticles in polymer nanocomposites allows gain in mechanical resistance and new properties. However, the incorporation of organic layer functionalized nanoparticles alters the material’s properties ...
Caracterização dos materiais lignocelulósicos da castanha do Brasil (Bertholletia excelsa), preparação e caracterização de seus compósitos com polipropileno
(Universidade Federal de São Carlos, 2017-05-31)
This research aimed to characterize the lignocellulosic materials of the
Brazil nut (Bertholletia excelsa) extraction process and to develop biocomposites
incorporating these materials with homopolymer and copolymer ...
Concretos refratários fosfatados para refino de petróleo: caracterização, propriedades e adequação ao uso
(Universidade Federal de São Carlos, 2018-09-26)
The increasing demand for petroleum experienced in the last decades has pushed the barrel price to a level never seen before, stimulating a race for rising production volumes and taking us to even deeper waters. On a similar ...
Estudo da viabilidade técnica do reaproveitamento de altos teores de fibras de poli(para-aramida) como reforço mecânico em poliamida 66
(Universidade Federal de São Carlos, 2018-10-26)
Responsible for an annual demand higher than 70 millions of tons, the poly(para- aramide) fibers are being widely used in the safety, automobilist, aeronautic, and petroleum industries, due to their attractive mechanical, ...
Resídulo de bauxita: mapeamento da produção científica e tecnológica de sua aplicação em materiais cimentícios
(Universidade Federal de São Carlos, 2018-07-31)
Bauxite residue (BR) is the major waste generated during alumina extraction from bauxite. The global average for the production of BR is estimated between 1 and 1.5 ton per ton of alumina. The most important process worldwide ...
Indicadores de produção científica para prospecção tecnológica em manufatura aditiva de biocerâmicas
(Universidade Federal de São Carlos, 2019-05-31)
In the Bone Tissue Engineering, biomaterials are used as scaffolds to produce a support and cell growing. Because of the similarity to the bones cells, ceramic compounds are the main materials used to produce the scaffold. ...
Regeneração de rejeito espuma de SBR através de extrusão no estado sólido e incorporação em SBR virgem
(Universidade Federal de São Carlos, 2017-09-29)
The objective of the present work is the study of the recycling of vulcanized rubber foam waste from the footwear industry through the solid state extrusion process known as Solid State Shear Extrusion (SSSE). The industrial ...