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% (<i>w/v</i>) were used to coat TPS using the dip coating process. The tensile strength of TPS...
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| Format: | Article |
| Language: | English |
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MDPI AG
2019-10-01
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| Series: | Polymers |
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| Online Access: | https://www.mdpi.com/2073-4360/11/11/1746 |
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| author | Kittisak Jantanasakulwong Nattagarn Homsaard Phanurot Phengchan Pornchai Rachtanapun Noppol Leksawasdi Yuthana Phimolsiripol Charin Techapun Pensak Jantrawut |
| author_facet | Kittisak Jantanasakulwong Nattagarn Homsaard Phanurot Phengchan Pornchai Rachtanapun Noppol Leksawasdi Yuthana Phimolsiripol Charin Techapun Pensak Jantrawut |
| author_sort | Kittisak Jantanasakulwong |
| collection | DOAJ |
| 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% (<i>w/v</i>) 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. |
| first_indexed | 2024-04-13T17:02:09Z |
| format | Article |
| id | doaj.art-458d8677292d4f5cbdac41796264021d |
| institution | Directory Open Access Journal |
| issn | 2073-4360 |
| language | English |
| last_indexed | 2024-04-13T17:02:09Z |
| publishDate | 2019-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Polymers |
| spelling | doaj.art-458d8677292d4f5cbdac41796264021d2022-12-22T02:38:37ZengMDPI AGPolymers2073-43602019-10-011111174610.3390/polym11111746polym11111746Effect of Dip Coating Polymer Solutions on Properties of Thermoplastic Cassava StarchKittisak Jantanasakulwong0Nattagarn Homsaard1Phanurot Phengchan2Pornchai Rachtanapun3Noppol Leksawasdi4Yuthana Phimolsiripol5Charin Techapun6Pensak Jantrawut7School of Agro-Industry, Faculty of Agro-Industry, Chiang Mai University, Mae-Hea, Mueang, Chiang Mai 50100, ThailandSchool of Agro-Industry, Faculty of Agro-Industry, Chiang Mai University, Mae-Hea, Mueang, Chiang Mai 50100, ThailandSchool of Agro-Industry, Faculty of Agro-Industry, Chiang Mai University, Mae-Hea, Mueang, Chiang Mai 50100, ThailandSchool of Agro-Industry, Faculty of Agro-Industry, Chiang Mai University, Mae-Hea, Mueang, Chiang Mai 50100, ThailandSchool of Agro-Industry, Faculty of Agro-Industry, Chiang Mai University, Mae-Hea, Mueang, Chiang Mai 50100, ThailandSchool of Agro-Industry, Faculty of Agro-Industry, Chiang Mai University, Mae-Hea, Mueang, Chiang Mai 50100, ThailandSchool of Agro-Industry, Faculty of Agro-Industry, Chiang Mai University, Mae-Hea, Mueang, Chiang Mai 50100, ThailandCluster of research and development of pharmaceutical and natural products innovation for human or animal, Chiang Mai University, Chiang Mai 50200, ThailandThermoplastic 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% (<i>w/v</i>) 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.https://www.mdpi.com/2073-4360/11/11/1746interfacial adhesioninteractionwater resistantplasticizer bleedingdelaminate |
| spellingShingle | Kittisak Jantanasakulwong Nattagarn Homsaard Phanurot Phengchan Pornchai Rachtanapun Noppol Leksawasdi Yuthana Phimolsiripol Charin Techapun Pensak Jantrawut Effect of Dip Coating Polymer Solutions on Properties of Thermoplastic Cassava Starch Polymers interfacial adhesion interaction water resistant plasticizer bleeding delaminate |
| 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 | interfacial adhesion interaction water resistant plasticizer bleeding delaminate |
| url | https://www.mdpi.com/2073-4360/11/11/1746 |
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