Effect of Dip Coating Polymer Solutions on Properties of Thermoplastic Cassava Starch

Thermoplastic starch (TPS) was prepared by melt-mixing cassava starch with glycerol. Polyethylene (PE), polyethylene-grafted-maleic anhydride (PE-MAH) and poly(lactic acid) (PLA) solutions at 2% (w/v) were used to coat TPS using the dip coating process. The tensile strength of TPS increased with the...

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Autores principales: Jantanasakulwong, Kittisak, Homsaard, Nattagarn, Phengchan, Phanurot, Rachtanapun, Pornchai, Leksawasdi, Noppol, Phimolsiripol, Yuthana, Techapun, Charin, Jantrawut, Pensak
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2019
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6918419/
https://www.ncbi.nlm.nih.gov/pubmed/31653000
http://dx.doi.org/10.3390/polym11111746
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author Jantanasakulwong, Kittisak
Homsaard, Nattagarn
Phengchan, Phanurot
Rachtanapun, Pornchai
Leksawasdi, Noppol
Phimolsiripol, Yuthana
Techapun, Charin
Jantrawut, Pensak
author_facet Jantanasakulwong, Kittisak
Homsaard, Nattagarn
Phengchan, Phanurot
Rachtanapun, Pornchai
Leksawasdi, Noppol
Phimolsiripol, Yuthana
Techapun, Charin
Jantrawut, Pensak
author_sort Jantanasakulwong, Kittisak
collection PubMed
description Thermoplastic starch (TPS) was prepared by melt-mixing cassava starch with glycerol. Polyethylene (PE), polyethylene-grafted-maleic anhydride (PE-MAH) and poly(lactic acid) (PLA) solutions at 2% (w/v) were used to coat TPS using the dip coating process. The tensile strength of TPS increased with the dip coating solution technique, especially for PLA coating. Swelling index, water-soluble matter and water droplet contact angle confirmed the water resistant improvement of TPS by PE-MAH and the PLA dip coating solution. Plasticizer bleeding was found in uncoated TPS after storage, but not in the coated TPS. Coating TPS with PE-MAH and PLA improved the tensile properties, water resistance and conquered plasticizer bleeding problems in TPS.
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spelling pubmed-69184192019-12-24 Effect of Dip Coating Polymer Solutions on Properties of Thermoplastic Cassava Starch Jantanasakulwong, Kittisak Homsaard, Nattagarn Phengchan, Phanurot Rachtanapun, Pornchai Leksawasdi, Noppol Phimolsiripol, Yuthana Techapun, Charin Jantrawut, Pensak Polymers (Basel) Article Thermoplastic starch (TPS) was prepared by melt-mixing cassava starch with glycerol. Polyethylene (PE), polyethylene-grafted-maleic anhydride (PE-MAH) and poly(lactic acid) (PLA) solutions at 2% (w/v) were used to coat TPS using the dip coating process. The tensile strength of TPS increased with the dip coating solution technique, especially for PLA coating. Swelling index, water-soluble matter and water droplet contact angle confirmed the water resistant improvement of TPS by PE-MAH and the PLA dip coating solution. Plasticizer bleeding was found in uncoated TPS after storage, but not in the coated TPS. Coating TPS with PE-MAH and PLA improved the tensile properties, water resistance and conquered plasticizer bleeding problems in TPS. MDPI 2019-10-24 /pmc/articles/PMC6918419/ /pubmed/31653000 http://dx.doi.org/10.3390/polym11111746 Text en © 2019 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
Jantanasakulwong, Kittisak
Homsaard, Nattagarn
Phengchan, Phanurot
Rachtanapun, Pornchai
Leksawasdi, Noppol
Phimolsiripol, Yuthana
Techapun, Charin
Jantrawut, Pensak
Effect of Dip Coating Polymer Solutions on Properties of Thermoplastic Cassava Starch
title Effect of Dip Coating Polymer Solutions on Properties of Thermoplastic Cassava Starch
title_full Effect of Dip Coating Polymer Solutions on Properties of Thermoplastic Cassava Starch
title_fullStr Effect of Dip Coating Polymer Solutions on Properties of Thermoplastic Cassava Starch
title_full_unstemmed Effect of Dip Coating Polymer Solutions on Properties of Thermoplastic Cassava Starch
title_short Effect of Dip Coating Polymer Solutions on Properties of Thermoplastic Cassava Starch
title_sort effect of dip coating polymer solutions on properties of thermoplastic cassava starch
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6918419/
https://www.ncbi.nlm.nih.gov/pubmed/31653000
http://dx.doi.org/10.3390/polym11111746
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