2016
DOI: 10.18671/scifor.v44n110.09
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Caracterização de nanofilmes de celulose nanofibrilada obtida em diferentes consistências

Abstract: ResumoA celulose nanofibrilada destaca-se por apresentar propriedades físicas e mecânicas singulares, como alta densidade, menor capacidade de absorção de água e elevada resistência a tração e arrebentamento. O objetivo principal deste trabalho foi produzir e avaliar filmes de celulose nanofibrilada obtida pelo processo de desfibrilação mecânica a partir de diferentes consistências. Polpa Kraft de Pinus sp. não branqueada, preparada em diferentes consistências: 0,5%, 1,0% e 1,5% e processadas mecanicamente no … Show more

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Cited by 20 publications
(22 citation statements)
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“…In order to improve significantly the mechanical characteristics of the films, nanocomposites such as NFC can be added to them . A matrix formed with nanocomposites and cassava starch (NFC/S) provides the best interaction among the components, mainly due to the greater surface area of the nanocomposites and the chemical affinity between them …”
Section: Introductionmentioning
confidence: 99%
“…In order to improve significantly the mechanical characteristics of the films, nanocomposites such as NFC can be added to them . A matrix formed with nanocomposites and cassava starch (NFC/S) provides the best interaction among the components, mainly due to the greater surface area of the nanocomposites and the chemical affinity between them …”
Section: Introductionmentioning
confidence: 99%
“…Scientists have developed research in the organic synthesis area, studying different chemical modification routes of cellulose molecule with focus on increasing its adsorption capacity and development of new properties and functionalities [18][19][20][21][22][23][24][25][26] . Among them, Brum et al 18 synthesized cellulose acetate from bean straw using ethanoyl ethanoate as well as pyridine and 1bromo-2.5-pyrrolidinedione as catalysts.…”
Section: Introductionmentioning
confidence: 99%
“…Nanofibrillated cellulose consists of a material obtained by the disintegration of the cellulose subjected to a mechanical process. This process led to an increase in the external surface, allowing a greater area of contact and greater capacity to generate strong hydrogen bonds between the microfibrils of the cell wall, which allows the production of a material with high resistance, being able to be used for coatings or as a reinforcement for applications in various products in the paper industry (BIAO et al, 2011;POTULSKI et al, 2016).…”
Section: Introductionmentioning
confidence: 99%