2011
DOI: 10.1590/s0104-14282011005000038
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Determinação da força de adesão da metalização com alumínio em filmes plásticos utilizados em embalagens flexíveis

Abstract: Resumo: Filmes de BOPP e de PET metalizados são muito utilizados em embalagens multicamadas, pois reúnem boas propriedades mecânicas e de barreira a gases e umidade, as quais, bem como a aparência e a integridade, são comprometidas quando ocorre a delaminação da estrutura multicamada. Um dos principais fatores que influem na resistência à delaminação é a força de adesão da camada de alumínio ao substrato polimérico, parâmetro para o qual não há um método de quantificação normalizado. O objetivo deste trabalho … Show more

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(2 citation statements)
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“…A low-density polyethylene (LDPE), which was kindly donated by Braskem S.A. (with a density of 0.918 g/cm 3 and melt ow index of 8 g/10 min), was used in this study.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…A low-density polyethylene (LDPE), which was kindly donated by Braskem S.A. (with a density of 0.918 g/cm 3 and melt ow index of 8 g/10 min), was used in this study.…”
Section: Methodsmentioning
confidence: 99%
“…However, poor adhesion continues to be a serious problem for manufacturers of this kind of product [1,2]. In a recent paper, Oliveira et al [3] proposed a method to measure the adhesion force between plastic and aluminum layers. is test consisted of thermosealing a plastic film on the metallic surface of the packaging using specific conditions of time, temperature, and pressure.…”
Section: Introductionmentioning
confidence: 99%