2020
DOI: 10.1016/j.polymer.2020.122437
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Oxygen barrier enhancement of polymeric foil by sol-gel-derived hybrid silica layers

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Cited by 7 publications
(9 citation statements)
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“…This approach is widely adopted in the coating technology because of its versatility, low cost, and low environmental impact, especially compared to hard-chemistry synthesis routes (Rovera, Ghaani, & Farris, 2020). For example, hybrid coatings were obtained by sol-gel chemistry to improve the oxygen barrier properties of plastic films (Farris et al, 2012;Fuentes-Alventosa et al, 2013;Startek, Marczak, & Lukowiak, 2020). Sol-gel hybrid coatings were also prepared to obtain antimicrobial (Corradini et al, 2013;Lantano et al, 2014;Razavi, Tajik, Moradi, Molaei, & Ezati, 2020), antioxidant (Bossi, Tana, Punta, Cigada, & De Nardo, 2016) and intelligent (Liu et al, 2020) food packaging materials.…”
Section: Introductionmentioning
confidence: 99%
“…This approach is widely adopted in the coating technology because of its versatility, low cost, and low environmental impact, especially compared to hard-chemistry synthesis routes (Rovera, Ghaani, & Farris, 2020). For example, hybrid coatings were obtained by sol-gel chemistry to improve the oxygen barrier properties of plastic films (Farris et al, 2012;Fuentes-Alventosa et al, 2013;Startek, Marczak, & Lukowiak, 2020). Sol-gel hybrid coatings were also prepared to obtain antimicrobial (Corradini et al, 2013;Lantano et al, 2014;Razavi, Tajik, Moradi, Molaei, & Ezati, 2020), antioxidant (Bossi, Tana, Punta, Cigada, & De Nardo, 2016) and intelligent (Liu et al, 2020) food packaging materials.…”
Section: Introductionmentioning
confidence: 99%
“…The tests were conducted during 3 h exposition for each sample. The details on the calculation of Oxygen Transmission Rate (OTR) were given elsewhere [30]. The formula used for calculations is presented in Equation S1 (Supplementary Materials).…”
Section: Methods Of Layer Characterizationmentioning
confidence: 99%
“…óxidos inorgânicos ou materiais híbridos usando compostos organometálicos, alcóxidos, alcóxidos de metais, óxidos inorgânicos ou sais de metais. Onde, a taxa de é limitada pela reatividade dos precursores (Startek et al, 2020). Especificamente, os materiais que contêm elementos ativos são escolhidos como precursores.…”
Section: Novas Perspectivasunclassified
“…Além disso, a alta reatividade dos pós sol-gel resulta na diminuição das temperaturas de calcinação e sinterização (Rajabi-Zamani et al, 2008). Devido à possibilidade de introdução de muitos substratos diferentes na síntese sol-gel e em várias condições do processo, é possível obter diferentes produtos finais em termos de: composição, estruturas, funcionalidade e formas (Startek et al, 2020). Normalmente a preparação de HAp pelo processo sol-gel resulta em uma microestrutura de grão fino contendo uma mistura de cristais nano-submicrônicos.…”
Section: Novas Perspectivasunclassified