Synthesis of Ionic Polylactic acid (PLA) Grafting Polymers for Compatibilizing Cellulose Nanofibers (CNF) on Barrier Thin Films
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초록
내용
Cellulose nanofibers (CNFs) have been receiving continuous attention because it is environment friendly and can be applied to various applications. However, there are limitations in the use of CNFs for fabricating polymer composite thin films due to the lack of compatibility with polymers and their dispersion in the composites. Herein, the ionic group-contained polylactic acid (PLA)-based compatibilizers (IPLA) were designed and synthesized for overcoming the above limitations of CNFs. For this, a radical initiated modification method was strategically employed to synthesize ionic PLA grafting polymers. Those applied for compatibilizing CNFs. The ionic PLA compatibilizer-enclosed CNFs (ICNFs) were used for fabricating barrier thin films for O2 and H2O. We believe it is a promising strategy to yield uniform and high-performance barrier thin films for food packaging applications.