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Grafting of Gallic Acid onto Chitosan Enhances Antioxidant Activities and Alters Rheological Properties of the Copolymer

✍ Scribed by Xie, Minhao; Hu, Bing; Wang, Yan; Zeng, Xiaoxiong


Book ID
126995336
Publisher
American Chemical Society
Year
2014
Tongue
English
Weight
387 KB
Volume
62
Category
Article
ISSN
0021-8561

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## Abstract **Summary:** PEG was grafted onto chitosan regioselectively at the hydroxyl groups with phthaloylchitosan as an intermediate. After the graft reaction, the phthaloyl groups were deprotected to give chitosan‐__g__‐PEG copolymers with free amino groups. The chemical structure of the graft