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High-Strength, Low-Permeable, and Light-Protective Nanocomposite Films Based on a Hybrid Nanopigment and Biodegradable PLA for Food Packaging Applications
[Image: see text] Herein, a multifunctional filler, a dye (organic)–clay (inorganic) hybrid nanopigment (DCNP), was embedded into polylactic acid (PLA) to fabricate a colored biodegradable/biocompatible film, which is explored as a high thermomechanical resistant as well as a superior light and mass...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American Chemical Society
2019
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6751698/ https://www.ncbi.nlm.nih.gov/pubmed/31552335 http://dx.doi.org/10.1021/acsomega.9b01731 |
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author | Mahmoodi, Ali Ghodrati, Sajjad Khorasani, Manouchehr |
author_facet | Mahmoodi, Ali Ghodrati, Sajjad Khorasani, Manouchehr |
author_sort | Mahmoodi, Ali |
collection | PubMed |
description | [Image: see text] Herein, a multifunctional filler, a dye (organic)–clay (inorganic) hybrid nanopigment (DCNP), was embedded into polylactic acid (PLA) to fabricate a colored biodegradable/biocompatible film, which is explored as a high thermomechanical resistant as well as a superior light and mass transport barrier for food packaging applications. In this respect, the DCNP was synthesized through a wet chemical process with a reaction yield of 76% and incorporated into a PLA matrix at various concentrations using a solution casting method. The morphological characterizations revealed partially intercalated/exfoliated structure for PLA–DCNP films. The samples filled with DCNP showed up to 20% and 12 °C improvements in storage modulus (E′) and glass transition temperature (T(g)), respectively, compared to those with neat PLA. Incorporation of a small amount of DCNP into the PLA matrix significantly declined the water vapor and gas permeability of PLA by 36 and 54%, respectively. The optical property investigations indicated remarkable color characteristics and light protection performance of the samples containing DCNP. The results also showed better performance of the PLA–DCNP film compared to that of the PLA–Cloisite 20A sample at an identical filler loading. In conclusion, the desirable properties of the resulting films highlighted the potential application of such nanocomposite films as a promising option for food packaging materials. |
format | Online Article Text |
id | pubmed-6751698 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | American Chemical Society |
record_format | MEDLINE/PubMed |
spelling | pubmed-67516982019-09-24 High-Strength, Low-Permeable, and Light-Protective Nanocomposite Films Based on a Hybrid Nanopigment and Biodegradable PLA for Food Packaging Applications Mahmoodi, Ali Ghodrati, Sajjad Khorasani, Manouchehr ACS Omega [Image: see text] Herein, a multifunctional filler, a dye (organic)–clay (inorganic) hybrid nanopigment (DCNP), was embedded into polylactic acid (PLA) to fabricate a colored biodegradable/biocompatible film, which is explored as a high thermomechanical resistant as well as a superior light and mass transport barrier for food packaging applications. In this respect, the DCNP was synthesized through a wet chemical process with a reaction yield of 76% and incorporated into a PLA matrix at various concentrations using a solution casting method. The morphological characterizations revealed partially intercalated/exfoliated structure for PLA–DCNP films. The samples filled with DCNP showed up to 20% and 12 °C improvements in storage modulus (E′) and glass transition temperature (T(g)), respectively, compared to those with neat PLA. Incorporation of a small amount of DCNP into the PLA matrix significantly declined the water vapor and gas permeability of PLA by 36 and 54%, respectively. The optical property investigations indicated remarkable color characteristics and light protection performance of the samples containing DCNP. The results also showed better performance of the PLA–DCNP film compared to that of the PLA–Cloisite 20A sample at an identical filler loading. In conclusion, the desirable properties of the resulting films highlighted the potential application of such nanocomposite films as a promising option for food packaging materials. American Chemical Society 2019-09-03 /pmc/articles/PMC6751698/ /pubmed/31552335 http://dx.doi.org/10.1021/acsomega.9b01731 Text en Copyright © 2019 American Chemical Society This is an open access article published under an ACS AuthorChoice License (http://pubs.acs.org/page/policy/authorchoice_termsofuse.html) , which permits copying and redistribution of the article or any adaptations for non-commercial purposes. |
spellingShingle | Mahmoodi, Ali Ghodrati, Sajjad Khorasani, Manouchehr High-Strength, Low-Permeable, and Light-Protective Nanocomposite Films Based on a Hybrid Nanopigment and Biodegradable PLA for Food Packaging Applications |
title | High-Strength, Low-Permeable, and Light-Protective
Nanocomposite Films Based on a Hybrid Nanopigment and Biodegradable
PLA for Food Packaging Applications |
title_full | High-Strength, Low-Permeable, and Light-Protective
Nanocomposite Films Based on a Hybrid Nanopigment and Biodegradable
PLA for Food Packaging Applications |
title_fullStr | High-Strength, Low-Permeable, and Light-Protective
Nanocomposite Films Based on a Hybrid Nanopigment and Biodegradable
PLA for Food Packaging Applications |
title_full_unstemmed | High-Strength, Low-Permeable, and Light-Protective
Nanocomposite Films Based on a Hybrid Nanopigment and Biodegradable
PLA for Food Packaging Applications |
title_short | High-Strength, Low-Permeable, and Light-Protective
Nanocomposite Films Based on a Hybrid Nanopigment and Biodegradable
PLA for Food Packaging Applications |
title_sort | high-strength, low-permeable, and light-protective
nanocomposite films based on a hybrid nanopigment and biodegradable
pla for food packaging applications |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6751698/ https://www.ncbi.nlm.nih.gov/pubmed/31552335 http://dx.doi.org/10.1021/acsomega.9b01731 |
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