Cellulose modification for sustainable polymers: overcoming problems of solubility and processing

Two new water-soluble cellulose derivatives were prepared by a two-step transformation with 1,3-propane sultone, followed by either maleic or succinic anhydride, thereby converting cellulose into a more easily processable form. It was found that the solubility was dependent on both the degree of sub...

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Bibliographic Details
Published in:RSC sustainability 2024-02, Vol.2 (2), p.369-376
Main Authors: McNeice, Peter, ten Brink, Gert H, Gran, Ulrik, Karlson, Leif, Edvinsson, Rolf, Feringa, Ben L
Format: Article
Language:English
Subjects:
Chemistry
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Summary:Two new water-soluble cellulose derivatives were prepared by a two-step transformation with 1,3-propane sultone, followed by either maleic or succinic anhydride, thereby converting cellulose into a more easily processable form. It was found that the solubility was dependent on both the degree of substitution and the chemical properties of the substituents. The water-soluble cellulose has a molecular weight greater than 100 000 g mol −1 and both the morphology and molecular weight can be tuned by varying the reaction conditions. Furthermore, the flexible, two-step nature of the process allows for expansion of this methodology in order to prepare cellulose analogues for different applications. A flexible methodology to prepare water-soluble cellulose derivatives for easy processing is presented. The properties of the cellulose analogues are controllable, and the methodology enables further functionality to be added.
ISSN:2753-8125
2753-8125
DOI:10.1039/d3su00317e