Poly(lactic acid) (PLA)/poly(butylene succinate adipate) (PBSA) films with Micro fibrillated cellulose (MFC) and cardanol for packaging applications

被引:2
|
作者
Apicella, Annalisa [1 ,2 ]
Molinari, Giovanna [1 ,3 ,4 ]
Gigante, Vito [1 ,3 ]
Pietrosanto, Arianna [2 ]
Incarnato, Loredana [1 ,2 ]
Aliotta, Laura [1 ,3 ]
Lazzeri, Andrea [1 ,3 ]
机构
[1] Natl Interuniv Consortium Mat Sci & Technol INSTM, I-50121 Florence, Italy
[2] Univ Salerno, Dept Ind Engn, I-84084 Fisciano, Italy
[3] Univ Pisa, Dept Civil & Ind Engn, I-56122 Pisa, Italy
[4] Inst Chem & Phys Proc, Natl Res Council, CNR IPCF, I-56124 Pisa, Italy
关键词
Biocomposites; Micro fibrillated cellulose; Polymeric films; Packaging applications; THERMAL-ANALYSIS; TOUGHENABILITY; PLASTICIZERS; CRYSTALS; BEHAVIOR; OIL; PLA;
D O I
10.1007/s10570-024-06127-w
中图分类号
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号
0805 ; 080502 ; 0822 ;
摘要
Micro Fibrillated Cellulose (MFC) has emerged as a promising component in film formulations due to its unique barrier prope.rties. In this study, to best of our knowledge, cardanol, a biobased plasticizer derived from cashew processing, was employed for the first time, as a dispersing aid for MFC, during a liquid assisted extrusion technique with a Poly(lactic acid) (PLA)/Poly(butylene succinate adipate) (PBSA) blend. The aim of the work is the production of PLA/PBSA/MFC films for packaging applications. The addition of different MFC amount was investigated (added at 0.5, 0.75 and 1 wt.% concentrations). The results obtained are very interesting, in fact from one hand Cardanol improved the compatibility between PLA and PBSA and avoided the MFC agglomeration. On the other hand, micro fibrillated cellulose ensured a stable film blowing and the achievement of enhanced barrier properties, seal ability and mechanical resistance. In particular, the best result was obtained with an MFC content of 0.75 wt.% for which a good compromise in terms of films ductility, barrier properties and seal ability was achieved.
引用
收藏
页码:9173 / 9190
页数:18
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