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Effect of Microfibrillated Cellulose on Microstructure and Properties of Poly(vinyl alcohol) Foams
Poly(vinyl alcohol) foams, containing different amounts of microfibrillated cellulose, were prepared through an eco-friendly procedure based on high-speed mixing and freeze-drying. The effect of filler amount on cell shape and regularity was studied by scanning electron microscopy (SEM) and the evol...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6403540/ https://www.ncbi.nlm.nih.gov/pubmed/30960738 http://dx.doi.org/10.3390/polym10080813 |
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author | Gentile, Gennaro Cocca, Mariacristina Avolio, Roberto Errico, Maria Emanuela Avella, Maurizio |
author_facet | Gentile, Gennaro Cocca, Mariacristina Avolio, Roberto Errico, Maria Emanuela Avella, Maurizio |
author_sort | Gentile, Gennaro |
collection | PubMed |
description | Poly(vinyl alcohol) foams, containing different amounts of microfibrillated cellulose, were prepared through an eco-friendly procedure based on high-speed mixing and freeze-drying. The effect of filler amount on cell shape and regularity was studied by scanning electron microscopy (SEM) and the evolution of the microstructure was assessed through dynamic cryo-SEM. Fourier Transformed Infrared Analysis and Differential Scanning Calorimetry measurements revealed the presence of hydrogen bond interaction among cellulosic filler and the matrix. The modulus and compression deflection of neat PVA were significantly improved by increasing the amount of microfibrillated cellulose content with respect to foams realised with pulp cellulose fibers. |
format | Online Article Text |
id | pubmed-6403540 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-64035402019-04-02 Effect of Microfibrillated Cellulose on Microstructure and Properties of Poly(vinyl alcohol) Foams Gentile, Gennaro Cocca, Mariacristina Avolio, Roberto Errico, Maria Emanuela Avella, Maurizio Polymers (Basel) Article Poly(vinyl alcohol) foams, containing different amounts of microfibrillated cellulose, were prepared through an eco-friendly procedure based on high-speed mixing and freeze-drying. The effect of filler amount on cell shape and regularity was studied by scanning electron microscopy (SEM) and the evolution of the microstructure was assessed through dynamic cryo-SEM. Fourier Transformed Infrared Analysis and Differential Scanning Calorimetry measurements revealed the presence of hydrogen bond interaction among cellulosic filler and the matrix. The modulus and compression deflection of neat PVA were significantly improved by increasing the amount of microfibrillated cellulose content with respect to foams realised with pulp cellulose fibers. MDPI 2018-07-24 /pmc/articles/PMC6403540/ /pubmed/30960738 http://dx.doi.org/10.3390/polym10080813 Text en © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Gentile, Gennaro Cocca, Mariacristina Avolio, Roberto Errico, Maria Emanuela Avella, Maurizio Effect of Microfibrillated Cellulose on Microstructure and Properties of Poly(vinyl alcohol) Foams |
title | Effect of Microfibrillated Cellulose on Microstructure and Properties of Poly(vinyl alcohol) Foams |
title_full | Effect of Microfibrillated Cellulose on Microstructure and Properties of Poly(vinyl alcohol) Foams |
title_fullStr | Effect of Microfibrillated Cellulose on Microstructure and Properties of Poly(vinyl alcohol) Foams |
title_full_unstemmed | Effect of Microfibrillated Cellulose on Microstructure and Properties of Poly(vinyl alcohol) Foams |
title_short | Effect of Microfibrillated Cellulose on Microstructure and Properties of Poly(vinyl alcohol) Foams |
title_sort | effect of microfibrillated cellulose on microstructure and properties of poly(vinyl alcohol) foams |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6403540/ https://www.ncbi.nlm.nih.gov/pubmed/30960738 http://dx.doi.org/10.3390/polym10080813 |
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