Biodegradable nanocomposite of poly(ester-co-carbonate) and cellulose nanocrystals for tough tear-resistant disposable bags

Hyeri Kim; Hyeonyeol Jeon; Giyoung Shin; Minkyung Lee; Jonggeon Jegal; Sung Yeon Hwang; Dongyeop X. Oh; Jun Mo Koo; Youngho Eom; Jeyoung Park

doi:10.1039/D0GC04072J

Biodegradable nanocomposite of poly(ester-co-carbonate) and cellulose nanocrystals for tough tear-resistant disposable bags†

Hyeri Kim,‡^a Hyeonyeol Jeon,

‡^a Giyoung Shin,^a Minkyung Lee,^a Jonggeon Jegal,^a Sung Yeon Hwang,

^ab Dongyeop X. Oh,

^ab Jun Mo Koo,

*^a Youngho Eom*^c and Jeyoung Park

*^ab

Author affiliations

* Corresponding authors

^a Research Center for Bio-based Chemistry, Korea Research Institute of Chemical Technology (KRICT), Ulsan 44429, Republic of Korea
E-mail: jmkoo@krict.re.kr, jypark@krict.re.kr

^b Advanced Materials and Chemical Engineering, University of Science and Technology (UST), Daejeon 34113, Republic of Korea

^c Department of Polymer Engineering, Pukyong National University, Busan, 48513, Republic of Korea
E-mail: eomyh@pknu.ac.kr

Abstract

Current sustainable bioplastics need dramatic improvement to become competitive. Herein, we prepared poly(butylene succinate-co-carbonate) nanocomposites with citric acid and cellulose nanocrystals (CNCs). The dimethyl carbonate co-monomer lowers crystallinity and increases elongation; citric acid increases the strength, and the CNCs maximize mechanical performance. Accelerated biodegradation is also favorable for sustainable tough bags.

This article is part of the themed collection: 2021 Green Chemistry Hot Articles

Green Chemistry

Biodegradable nanocomposite of poly(ester-co-carbonate) and cellulose nanocrystals for tough tear-resistant disposable bags†

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Biodegradable nanocomposite of poly(ester-co-carbonate) and cellulose nanocrystals for tough tear-resistant disposable bags

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