A strong, biodegradable and transparent cellulose‐based bioplastic stemmed from waste paper

It is crucial and significant to boost the utilization of renewable resources and exploitation of biodegradable materials alternative to petrochemical plastics. Waste paper, mainly composed of cellulose (82–95 wt%) and derived from the lignocellulose, is a type of abundant, renewable, and biodegrada...

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Bibliographic Details
Published in:Journal of applied polymer science 2023-04, Vol.140 (13), p.n/a
Main Authors: Liu, Mengmeng, Tong, Shoudi, Tong, Zhihan, Guan, Yuewen, Sun, Yinan
Format: Article
Language:English
Subjects:
Biodegradability
Biodegradable materials
bioplastic
Bioplastics
Cellulose
Cellulosic resins
ionic liquid
Ionic liquids
Lignocellulose
Materials science
membrane
Membranes
Polymers
Renewable resources
Tensile strength
waste paper
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Summary:It is crucial and significant to boost the utilization of renewable resources and exploitation of biodegradable materials alternative to petrochemical plastics. Waste paper, mainly composed of cellulose (82–95 wt%) and derived from the lignocellulose, is a type of abundant, renewable, and biodegradable resource, whose recycling use and conversion to high value‐added products can reduce the pressure on the environment and exert immense economic benefits. Herein, four kinds of common waste paper (e.g., printing paper, newspaper, straw paper and roll paper) were converted into cellulose‐based bioplastic membranes by using ionic liquid 1‐butyl‐3‐methyl‐imidazolium chloride as solvent. The cellulose‐based membranes are smooth and compact, and their mechanical strength is prominently improved about 3–100 times comparison with the original paper. The maximum tensile strength of the film (F4) is over 127 Mpa and its optical transmittance reaches 80% at 450–800 nm wavelength. Besides, this kind of cellulose‐based films have excellent biodegradability. Thus, the results demonstrated that the cellulose‐based bioplastic membranes stemmed from waste paper possess a magnificent application prospect.
ISSN:0021-8995
1097-4628
DOI:10.1002/app.53671