Abstract：
:Paper-based packaging generally has poor performances in the gas/oil barriers. This work reports a paper-based packaging material prepared via the modification of conventional papers with TEMPO-oxidized cellulose nanofibers (TOCN)/cationic guar gum (CGG) hydrogel film. Specifically, the hydrogel film modification was realized through a layer-by-layer deposition on paper. The hydrogel film modification significantly improved the mechanical and barrier properties of the paper. Specifically, the 4-layer hydrogel film modified paper showed a tensile strength of 34.03 MPa and a burst strength of 510 kPa, respectively. In contrast, the unmodified paper exhibited a tensile strength of 26.78 MPa and a bursting strength of 388 kPa. The packaging performance of this TOCN/CGG hydrogel film modified paper was demonstrated via the fresh mooncake packaging test. Such hydrogel film not only provided the oil resistance, but also maintained the mooncake's freshness. This material can serve as a green and sustainable food packaging.
journal_name
Carbohydr Polymjournal_title
Carbohydrate polymersauthors
Dai L,Xi X,Li X,Li W,Du Y,Lv Y,Wang W,Ni Ydoi
10.1016/j.carbpol.2021.118425keywords:
["Film","Food packaging","Guar gum","Nanocellulose","Paper"]subject
Has Abstractpub_date
2021-11-01 00:00:00pages
118425eissn
0144-8617issn
1879-1344pii
S0144-8617(21)00812-2journal_volume
271pub_type
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