Elucidation of substituent distribution states for carboxymethyl chitosan by detailed NMR analysis
A series of carboxymethyl chitosan (CMCh) samples with a wide degree of substitution (0.65–2.03) was prepared by multi-step carboxymethylation of chitosan using a 2-propanol/aqueous sodium hydroxide solution mixture as the solvent and monochloroacetic acid as the etherification reagent. Two-dimensio...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2021-12-01
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| Series: | Carbohydrate Polymer Technologies and Applications |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2666893921001432 |