Mechanical Amorphization of Chitosan with Different Molecular Weights.
amorphization
chitosan
crystal structure
degree of crystallinity
disordering
mechanochemistry
molecular weight
Journal
Polymers
ISSN: 2073-4360
Titre abrégé: Polymers (Basel)
Pays: Switzerland
ID NLM: 101545357
Informations de publication
Date de publication:
20 Oct 2022
20 Oct 2022
Historique:
received:
19
09
2022
revised:
06
10
2022
accepted:
18
10
2022
entrez:
27
10
2022
pubmed:
28
10
2022
medline:
28
10
2022
Statut:
epublish
Résumé
Mechanical amorphization of three chitosan samples with high, medium, and low molecular weight was studied. It is shown that there are no significant differences between the course of amorphization process in a planetary ball mill of chitosan with different molecular weights, and the maximum degree of amorphization was achieved in 600 s of high intensity mechanical action. Specific energy consumption was 28 kJ/g, being comparable to power consumption for amorphization of cellulose determined previously (29 kJ/g) and 5-7-fold higher than that for amorphization of starch (4-6 kJ/g). Different techniques for determining the crystallinity index (
Identifiants
pubmed: 36298017
pii: polym14204438
doi: 10.3390/polym14204438
pmc: PMC9606905
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : Russian Science Foundation
ID : 22-73-00124
Organisme : Council for Grants of the President of the Russian Federation
ID : MD-2330.2022.1.3
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