Search Results - "da Silva Ruiz, Naira Machado"

Time domain NMR evaluation of thermal and thermochemical aging of nitrile rubber on crosslinking and mechanical properties by da Silva Ruiz, Naira Machado, de Sousa, Ana Maria Furtado, da Costa Marques Calderari, Mônica Regina, de Figueiredo, Marco Antônio Gaya, Lima, Aline Pinde, de Azevedo, Eduardo Ribeiro

“…•Crosslink densities of aged nitrile rubber were characterized by low field NMR.•NMR findings corroborates the mechanical properties of aged nitrile…”
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1H Time Domain NMR to probe microstructural and mobility changes in Polyamide 11 exposed to H2S scavengers. What type of information can be assessed? by Perez, Martha Gonzales, Lima, Aline Pinde, Moraes, Tiago Bueno, Chaves, Erica Gervasoni, Ruiz, Naira Machado da Silva, dos Santos Teixeira, Sylvia Correa, Honorato, Hercílio de Angeli, de Menezes, Sonia Maria Cabral, deAzevedo, Eduardo Ribeiro

“…•H2S ethoxylated scavenger induces motional hindrance in the amorphous phase of PA11.•Time domain NMR methods are effective for detecting the effect of H2S…”
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Solution Properties of Partially Hydrolysed Polyacrylamide and Chitosan Mixed Solutions by Lima Vidal, Rosangela Regia, Pereira Fagundes, Fábio, Cabral de Menezes, Sonia Maria, Machado da Silva Ruiz, Naira, Balaban Garcia, Rosangela

“…In this paper, the properties of a partially hydrolysed polyacrylamide with a low charge density and chitosan mixtures were evaluated in an aqueous acid…”
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Analysis of the mechanical properties and characterization by solid state 13C NMR of recycled EVA copolymer/silica composites by Stael, G C, Rocha, M C G, de, Menezes S M C, d'Almeida, J R M, da, Silva Ruiz N M

“…The incorporation of micron-sized silica particles on poly (ethylene-co-vinyl acetate) (EVA) residues from the footwear industry was evaluated. The effects of…”
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Avaliação de géis obtidos a partir da acetilação da quitosana em meio heterogêneo by Garcia, Rosangela Balaban, Silva, Dayse Luzia Pinheiro da, Costa, Marta, Raffin, Fernanda Nervo, Ruiz, Naira Machado da Silva

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Avaliação de géis obtidos a partir da acetilação da quitosana em meio heterogêneo Evaluation of gels obtained from acetylation of chitosan in heterogeneous medium by Rosangela Balaban Garcia, Dayse Luzia Pinheiro da Silva, Marta Costa, Fernanda Nervo Raffin, Naira Machado da Silva Ruiz

“…Chitosan was acetylated during 2, 5 and 10h and physical gels were obtained at different polymer concentrations in N,N-dimethylacetamide containing 5% of LiCl…”
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