Cationic lignin incorporated polyvinyl alcohol films for packaging applications

被引：2
|
作者：
Phansamarng, Pratchaya [1 ]
Bacchus, Ameena [2 ]
Pour, Fatemeh Hassan [2 ]
Kongvarhodom, Chutima [1 ]
Fatehi, Pedram [2 ]
机构：
[1] King Mongkuts Univ Technol Thonburi, Fac Engn, Dept Chem Engn, 26 Pracha Uthit Rd, Bangkok 10140, Thailand
[2] Lakehead Univ, Biorefining Res Inst, 955 Oliver Rd, Thunder Bay, ON P7B 5E1, Canada
来源：
INDUSTRIAL CROPS AND PRODUCTS | 2024年 / 221卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
Lignin; Polyvinyl alcohol; Polymeric film; Sustainable materials; Bioresources; CELLULOSE NANOFIBRILS; ANTIBACTERIAL; COMPOSITE; NANOPARTICLES; PERFORMANCE; ANTIOXIDANT; BARRIER; PVA;
D O I：
10.1016/j.indcrop.2024.119217
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Polyvinyl alcohol (PVA) films are used extensively in industry. However, their unacceptable air permeability and susceptibility to bacterial contamination are problematic for some applications. This research investigates the incorporation of kraft lignin (KL) and cationic kraft lignin (CKL) into PVA films. The results confirmed that KL enhanced UV blocking and hydrophobicity while reducing the porosity and water absorption of the PVA films. Despite improving the UV blocking, hydrophilicity, and water absorption capability of the film, the porosity and oxygen permeability of the films were reduced, and the film became antibacterial when CKL was incorporated into PVA. The results confirmed that the sustainable PVA/KL films can potentially be used for packaging applications due to their improved hydrophobicity. In contrast, PVA/CKL films can potentially be used for medical applications due to their enhanced antibacterial performance and reduced porosity.
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收藏
页数：11
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