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Síntese de poliuretano termoplástico modificado com POSS via extrusão reativa
(2014-06-03)
In this work, thermoplastic polyurethanes (TPU) were synthesized in solution process and reactive extrusion in twin-screw extruder. The TPUs were obtained with the use of pre-polymer based on 4,4´-Methylenediphenyl ...
Gaseificação em leito fluidizado da fração polimérica contida no rejeito (FPR) proveniente da triagem de resíduos sólidos urbanos (RSU)
(2019-02-15)
The worldwide solid waste composition indicates that polymeric materials account for, approximately, 10% of municipal solid waste (MSW). The MSW after sorting still contain a plastic fraction (FPR) made of recyclable waste, ...
Desenvolvimento de compósitos de matriz PA6/EVA com carbonato de cálcio com potencial aplicação na indústria automobilística
(2017-03-21)
The automotive industry is responsible for a large share of the of the global market consumption of polymeric materials, which represent today the second predominant material in vehicles. Polymers combine properties such ...
Obtenção e caracterização de filmes poliméricos a partir de amido de milho e de gelatina recuperada de resíduos de couro curtido ao cromo (III)
(2016-05-24)
Polymers produced from renewable sources have drawn the scientific community attention due to their environmental advantages when compared to those from petroleum. Many of these polymers, such as those produced from starch ...
Desenvolvimento de compósitos de POLI (acrilonitrila-CO-butadieno-CO-estireno) / microesferas ocas de vidro para utilização na indústria automobilística
(2015-11-20)
The application of polymeric materials in automobiles have increased due to weight reduction and the large number of possible applications of these materials. The poly (acrylonitrile-cobutadiene-co-styrene) (ABS) is widely ...
Reciclagem de PETpc na incorporação da formulação de uma tinta em pó
(2016-11-24)
The Growing use of PET packaging results in high generation of solid waste. Recycling is an alternative For a polymeric material this reuse. This study aims to evaluate the influence of incorporation of 2.5, 5 and 7.5% ...
Influência do uso de plastificante nas propriedades térmicas e mecânicas de nanocompósitos de POLI (Hidroxibutirato-CO-Hidroxivalerato)
(2015-11-19)
The aim of this work was to evaluate the influence of the addition of a plasticizer – triethyl citrate (TEC) – on the thermal and mechanical properties of biodegradable polymer nanocomposites based on poly(hydroxybutyrat ...