Composite Film Based on Pulping Industry Waste and Chitosan for Food Packaging
Wood auto-hydrolysates (WAH) are obtained in the pulping process by the hydrothermal extraction, which contains lots of hemicelluloses and slight lignin. WAH and chitosan (CS) were introduced into this study to construct WAH-based films by the casting method. The FT-IR results revealed the crosslink...
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MDPI AG
2018-11-01
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| Series: | Materials |
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| Online Access: | https://www.mdpi.com/1996-1944/11/11/2264 |
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| author | Ji-Dong Xu Ya-Shuai Niu Pan-Pan Yue Ya-Jie Hu Jing Bian Ming-Fei Li Feng Peng Run-Cang Sun |
| author_facet | Ji-Dong Xu Ya-Shuai Niu Pan-Pan Yue Ya-Jie Hu Jing Bian Ming-Fei Li Feng Peng Run-Cang Sun |
| author_sort | Ji-Dong Xu |
| collection | DOAJ |
| description | Wood auto-hydrolysates (WAH) are obtained in the pulping process by the hydrothermal extraction, which contains lots of hemicelluloses and slight lignin. WAH and chitosan (CS) were introduced into this study to construct WAH-based films by the casting method. The FT-IR results revealed the crosslinking interaction between WAH and CS due to the Millard reaction. The morphology, transmittance, thermal properties and mechanical properties of composite WAH/CS films were investigated. As the results showed, the tensile strength, light transmittances and thermal stability of the WAH-based composite films increased with the increment of WAH/CS content ratio. In addition, the results of oxygen transfer rate (OTR) and water vapor permeability (WVP) suggested that the OTR and WVP values of the films decreased due to the addition of CS. The maximum value of tensile strengths of the composite films achieved 71.2 MPa and the OTR of the films was low as 0.16 cm<sup>3</sup>·μm·m<sup>−2</sup>·24 h<sup>−1</sup>·kPa<sup>−1</sup>, these properties are better than those of other hemicelluloses composite films. These results suggested that the barrier composite films based on WAH and CS will become attractive in the food packaging application for great mechanical properties, good transmittance and low oxygen transfer rate. |
| first_indexed | 2024-04-12T10:54:23Z |
| format | Article |
| id | doaj.art-8a5c702062c243b2922085d75e14222c |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-04-12T10:54:23Z |
| publishDate | 2018-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-8a5c702062c243b2922085d75e14222c2022-12-22T03:36:08ZengMDPI AGMaterials1996-19442018-11-011111226410.3390/ma11112264ma11112264Composite Film Based on Pulping Industry Waste and Chitosan for Food PackagingJi-Dong Xu0Ya-Shuai Niu1Pan-Pan Yue2Ya-Jie Hu3Jing Bian4Ming-Fei Li5Feng Peng6Run-Cang Sun7Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, ChinaBeijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, ChinaBeijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, ChinaBeijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, ChinaBeijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, ChinaBeijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, ChinaBeijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, ChinaBeijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, ChinaWood auto-hydrolysates (WAH) are obtained in the pulping process by the hydrothermal extraction, which contains lots of hemicelluloses and slight lignin. WAH and chitosan (CS) were introduced into this study to construct WAH-based films by the casting method. The FT-IR results revealed the crosslinking interaction between WAH and CS due to the Millard reaction. The morphology, transmittance, thermal properties and mechanical properties of composite WAH/CS films were investigated. As the results showed, the tensile strength, light transmittances and thermal stability of the WAH-based composite films increased with the increment of WAH/CS content ratio. In addition, the results of oxygen transfer rate (OTR) and water vapor permeability (WVP) suggested that the OTR and WVP values of the films decreased due to the addition of CS. The maximum value of tensile strengths of the composite films achieved 71.2 MPa and the OTR of the films was low as 0.16 cm<sup>3</sup>·μm·m<sup>−2</sup>·24 h<sup>−1</sup>·kPa<sup>−1</sup>, these properties are better than those of other hemicelluloses composite films. These results suggested that the barrier composite films based on WAH and CS will become attractive in the food packaging application for great mechanical properties, good transmittance and low oxygen transfer rate.https://www.mdpi.com/1996-1944/11/11/2264hemicelluloseschitosancomposite filmsoxygen barrier propertyfood packaging |
| spellingShingle | Ji-Dong Xu Ya-Shuai Niu Pan-Pan Yue Ya-Jie Hu Jing Bian Ming-Fei Li Feng Peng Run-Cang Sun Composite Film Based on Pulping Industry Waste and Chitosan for Food Packaging Materials hemicelluloses chitosan composite films oxygen barrier property food packaging |
| title | Composite Film Based on Pulping Industry Waste and Chitosan for Food Packaging |
| title_full | Composite Film Based on Pulping Industry Waste and Chitosan for Food Packaging |
| title_fullStr | Composite Film Based on Pulping Industry Waste and Chitosan for Food Packaging |
| title_full_unstemmed | Composite Film Based on Pulping Industry Waste and Chitosan for Food Packaging |
| title_short | Composite Film Based on Pulping Industry Waste and Chitosan for Food Packaging |
| title_sort | composite film based on pulping industry waste and chitosan for food packaging |
| topic | hemicelluloses chitosan composite films oxygen barrier property food packaging |
| url | https://www.mdpi.com/1996-1944/11/11/2264 |
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