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用于可持续聚合物的纤维素改性：克服溶解性和加工问题。

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

作者信息

McNeice Peter, Ten Brink Gert H, Gran Ulrik, Karlson Leif, Edvinsson Rolf, Feringa Ben L

机构信息

Advanced Research Centre CBBC, Stratingh Institute for Chemistry, Faculty of Science and Engineering, University of Groningen Nijenborgh 4 Groningen 9747AG The Netherlands

Zernike Institute for Advanced Materials, University of Groningen Nijenborgh 4 Groningen 9747AG The Netherlands.

出版信息

RSC Sustain. 2024 Jan 4;2(2):369-376. doi: 10.1039/d3su00317e. eCollection 2024 Feb 7.

DOI:10.1039/d3su00317e
PMID:38333579
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10849079/
Abstract

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 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.

摘要

通过与1,3 - 丙烷磺内酯进行两步转化，随后分别与马来酸酐或琥珀酸酐反应，制备了两种新的水溶性纤维素衍生物，从而将纤维素转化为更易于加工的形式。发现溶解度取决于取代度和取代基的化学性质。水溶性纤维素的分子量大于100 000 g/mol，并且通过改变反应条件可以调节形态和分子量。此外，该过程灵活的两步性质允许扩展此方法，以制备用于不同应用的纤维素类似物。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bf3/10849079/77af90ae78e4/d3su00317e-s4.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bf3/10849079/77af90ae78e4/d3su00317e-s4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bf3/10849079/daae6ccd9565/d3su00317e-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bf3/10849079/0432b5e0510b/d3su00317e-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bf3/10849079/64f1b9b76bb9/d3su00317e-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bf3/10849079/7eacad1f91b1/d3su00317e-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bf3/10849079/88a7da838405/d3su00317e-s2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bf3/10849079/cbf5be466b9e/d3su00317e-s3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bf3/10849079/5992125a9bc1/d3su00317e-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bf3/10849079/64d3ab557b49/d3su00317e-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bf3/10849079/77af90ae78e4/d3su00317e-s4.jpg

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