Polyesters Incorporating Gallic Acid as Oxygen Scavenger in Biodegradable Packaging
Biodegradable polyesters polybutylene succinate (PBS) and polybutylene adipate-co-terephthalate (PBAT) were blended with gallic acid (GA) via cast extrusion to produce oxygen scavenging polymers. The effects of polyesters and GA contents (5 to 15%) on polymer/package properties were investigated. In...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-12-01
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| Series: | Polymers |
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| Online Access: | https://www.mdpi.com/2073-4360/14/23/5296 |
| _version_ | 1797462262803333120 |
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| author | Uruchaya Sonchaeng Juthathip Promsorn Nattinee Bumbudsanpharoke Vanee Chonhenchob Shyam S. Sablani Nathdanai Harnkarnsujarit |
| author_facet | Uruchaya Sonchaeng Juthathip Promsorn Nattinee Bumbudsanpharoke Vanee Chonhenchob Shyam S. Sablani Nathdanai Harnkarnsujarit |
| author_sort | Uruchaya Sonchaeng |
| collection | DOAJ |
| description | Biodegradable polyesters polybutylene succinate (PBS) and polybutylene adipate-co-terephthalate (PBAT) were blended with gallic acid (GA) via cast extrusion to produce oxygen scavenging polymers. The effects of polyesters and GA contents (5 to 15%) on polymer/package properties were investigated. Increasing GA formed non-homogeneous microstructures and surface roughness due to immiscibility. GA had favorable interaction with PBAT than PBS, giving more homogeneous microstructures, reduced mechanical relaxation temperature, and modified X-ray diffraction and crystalline morphology of PBAT polymers. Non-homogenous dispersion of GA reduced mechanical properties and increased water vapor and oxygen permeability by two and seven folds, respectively. Increasing amounts of GA and higher humidity enhanced oxygen absorption capacity, which also depended on the dispersion characteristics of GA in the matrices. PBAT gave higher oxygen absorption than PBS due to better dispersion and higher reactive surface area. GA blended with PBAT and PBS increased oxygen scavenging activity as sustainable active food packaging using functional biodegradable polymers. |
| first_indexed | 2024-03-09T17:34:01Z |
| format | Article |
| id | doaj.art-9c0fe21737334d8aaef378aa2c1d11df |
| institution | Directory Open Access Journal |
| issn | 2073-4360 |
| language | English |
| last_indexed | 2024-03-09T17:34:01Z |
| publishDate | 2022-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Polymers |
| spelling | doaj.art-9c0fe21737334d8aaef378aa2c1d11df2023-11-24T12:01:46ZengMDPI AGPolymers2073-43602022-12-011423529610.3390/polym14235296Polyesters Incorporating Gallic Acid as Oxygen Scavenger in Biodegradable PackagingUruchaya Sonchaeng0Juthathip Promsorn1Nattinee Bumbudsanpharoke2Vanee Chonhenchob3Shyam S. Sablani4Nathdanai Harnkarnsujarit5Department of Packaging and Materials Technology, Faculty of Agro-Industry, Kasetsart University, 50 Ngam Wong Wan Rd., Latyao, Chatuchak, Bangkok 10900, ThailandDepartment of Packaging and Materials Technology, Faculty of Agro-Industry, Kasetsart University, 50 Ngam Wong Wan Rd., Latyao, Chatuchak, Bangkok 10900, ThailandDepartment of Packaging and Materials Technology, Faculty of Agro-Industry, Kasetsart University, 50 Ngam Wong Wan Rd., Latyao, Chatuchak, Bangkok 10900, ThailandDepartment of Packaging and Materials Technology, Faculty of Agro-Industry, Kasetsart University, 50 Ngam Wong Wan Rd., Latyao, Chatuchak, Bangkok 10900, ThailandBiological Systems Engineering Department, Washington State University, Pullman, WA 99164-6120, USADepartment of Packaging and Materials Technology, Faculty of Agro-Industry, Kasetsart University, 50 Ngam Wong Wan Rd., Latyao, Chatuchak, Bangkok 10900, ThailandBiodegradable polyesters polybutylene succinate (PBS) and polybutylene adipate-co-terephthalate (PBAT) were blended with gallic acid (GA) via cast extrusion to produce oxygen scavenging polymers. The effects of polyesters and GA contents (5 to 15%) on polymer/package properties were investigated. Increasing GA formed non-homogeneous microstructures and surface roughness due to immiscibility. GA had favorable interaction with PBAT than PBS, giving more homogeneous microstructures, reduced mechanical relaxation temperature, and modified X-ray diffraction and crystalline morphology of PBAT polymers. Non-homogenous dispersion of GA reduced mechanical properties and increased water vapor and oxygen permeability by two and seven folds, respectively. Increasing amounts of GA and higher humidity enhanced oxygen absorption capacity, which also depended on the dispersion characteristics of GA in the matrices. PBAT gave higher oxygen absorption than PBS due to better dispersion and higher reactive surface area. GA blended with PBAT and PBS increased oxygen scavenging activity as sustainable active food packaging using functional biodegradable polymers.https://www.mdpi.com/2073-4360/14/23/5296active packagingadvanced materialfood packagingfunctional polymeroxygen absorber |
| spellingShingle | Uruchaya Sonchaeng Juthathip Promsorn Nattinee Bumbudsanpharoke Vanee Chonhenchob Shyam S. Sablani Nathdanai Harnkarnsujarit Polyesters Incorporating Gallic Acid as Oxygen Scavenger in Biodegradable Packaging Polymers active packaging advanced material food packaging functional polymer oxygen absorber |
| title | Polyesters Incorporating Gallic Acid as Oxygen Scavenger in Biodegradable Packaging |
| title_full | Polyesters Incorporating Gallic Acid as Oxygen Scavenger in Biodegradable Packaging |
| title_fullStr | Polyesters Incorporating Gallic Acid as Oxygen Scavenger in Biodegradable Packaging |
| title_full_unstemmed | Polyesters Incorporating Gallic Acid as Oxygen Scavenger in Biodegradable Packaging |
| title_short | Polyesters Incorporating Gallic Acid as Oxygen Scavenger in Biodegradable Packaging |
| title_sort | polyesters incorporating gallic acid as oxygen scavenger in biodegradable packaging |
| topic | active packaging advanced material food packaging functional polymer oxygen absorber |
| url | https://www.mdpi.com/2073-4360/14/23/5296 |
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