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Improved thermal and mechanical properties of bacterial cellulose with the introduction of collagen

Yang, Q, Ma, H, Dai, Z, Wang, Jinfeng, Dong, S, Shen, J and Dong, J 2017, Improved thermal and mechanical properties of bacterial cellulose with the introduction of collagen, Cellulose, vol. 24, pp. 3777-3787, doi: 10.1007/s10570-017-1366-y.

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Title Improved thermal and mechanical properties of bacterial cellulose with the introduction of collagen
Author(s) Yang, Q
Ma, H
Dai, Z
Wang, JinfengORCID iD for Wang, Jinfeng
Dong, S
Shen, J
Dong, J
Journal name Cellulose
Volume number 24
Start page 3777
End page 3787
Total pages 11
Publisher Springer Science+Business Media B.V.
Place of publication Dordrecht, The Netherlands
Publication date 2017-06-20
ISSN 0969-0239
Keyword(s) Bacterial cellulose
Composite films
Thermal properties
Summary Composite films comprised of bacterial cellulose (BC) and collagen (COL) were developed using BC hydrogel membranes as the base material and COL as the reinforcing material. Glutaraldehyde (GT) and 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride (EDC·HCl) were then used as cross-linking agents to prepare cross-linked BC/COL composite films by a wet chemical method. The effects of chemical cross-linking on the thermal and mechanical properties of composite films were investigated in detail. The COL molecules were adsorbed and deposited inside of 3D nanofiber networks of BC, coated on the surface of BC fibers. Chemical bonds formed between BC molecules, and between BC and COL molecules after cross-linking. Compared with BC, the obtained composite films showed 57.9 and 70.8% improvement in tensile strength after being cross-linked by GT and EDC·HCl, respectively. Cross-linking also enhanced the thermal stability of the specimens.
Language eng
DOI 10.1007/s10570-017-1366-y
Field of Research 030302 Nanochemistry and Supramolecular Chemistry
091209 Polymers and Plastics
0303 Macromolecular And Materials Chemistry
0912 Materials Engineering
Socio Economic Objective 869899 Environmentally Sustainable Manufacturing not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2017, Springer Science+Business Media B.V.
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Document type: Journal Article
Collection: Institute for Frontier Materials
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