Effect of oxidation time on the properties of cellulose nanocrystals from hybrid poplar residues using the ammonium persulfate.
Identifieur interne : 001420 ( Main/Exploration ); précédent : 001419; suivant : 001421Effect of oxidation time on the properties of cellulose nanocrystals from hybrid poplar residues using the ammonium persulfate.
Auteurs : Hua Jiang [République populaire de Chine] ; Yu Wu [République populaire de Chine] ; Binbin Han [République populaire de Chine] ; Yang Zhang [République populaire de Chine]Source :
- Carbohydrate polymers [ 1879-1344 ] ; 2017.
Abstract
This work was to investigate the influence of time on the properties of cellulose nanocrystals (CNCs) during the ammonium persulfate (APS) oxidation of hybrid poplar residues (HPHL). The CNCs at the different times were characterized by different techniques. The results showed that CNCs were thinned and shortened with increased oxidation time, and their yield, crystallinity index and zeta potential increased, however, these properties stayed constant after the APS oxidation for 16h. At this time, the CNC yield was more than 50%, and the CNCs had a zeta potential of -48.84mV and a CrI of 86.8%. More than 95% of CNCs had a width of 16.87±5.92nm, and 86.4% of them had a length-to-width ratio from 10 to 30. The primary hydroxyl groups were regioselectively oxidized during the APS treatment. Therefore, the CNCs with stable properties could be extracted from HPHL using APS oxidation.
DOI: 10.1016/j.carbpol.2017.06.080
PubMed: 28821070
Affiliations:
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Electronic address: jianghua@njfu.com.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037</wicri:regionArea><wicri:noRegion>Nanjing 210037</wicri:noRegion></affiliation></author><author><name sortKey="Wu, Yu" sort="Wu, Yu" uniqKey="Wu Y" first="Yu" last="Wu">Yu Wu</name><affiliation wicri:level="1"><nlm:affiliation>College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037</wicri:regionArea><wicri:noRegion>Nanjing 210037</wicri:noRegion></affiliation></author><author><name sortKey="Han, Binbin" sort="Han, Binbin" uniqKey="Han B" first="Binbin" last="Han">Binbin Han</name><affiliation wicri:level="1"><nlm:affiliation>College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037</wicri:regionArea><wicri:noRegion>Nanjing 210037</wicri:noRegion></affiliation></author><author><name sortKey="Zhang, Yang" sort="Zhang, Yang" uniqKey="Zhang Y" first="Yang" last="Zhang">Yang Zhang</name><affiliation wicri:level="1"><nlm:affiliation>College of Material Science and Engineering, Nanjing Forestry University, Nanjing 210037, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Material Science and Engineering, Nanjing Forestry University, Nanjing 210037</wicri:regionArea><wicri:noRegion>Nanjing 210037</wicri:noRegion></affiliation></author></analytic><series><title level="j">Carbohydrate polymers</title><idno type="eISSN">1879-1344</idno><imprint><date when="2017" type="published">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This work was to investigate the influence of time on the properties of cellulose nanocrystals (CNCs) during the ammonium persulfate (APS) oxidation of hybrid poplar residues (HPHL). The CNCs at the different times were characterized by different techniques. The results showed that CNCs were thinned and shortened with increased oxidation time, and their yield, crystallinity index and zeta potential increased, however, these properties stayed constant after the APS oxidation for 16h. At this time, the CNC yield was more than 50%, and the CNCs had a zeta potential of -48.84mV and a CrI of 86.8%. More than 95% of CNCs had a width of 16.87±5.92nm, and 86.4% of them had a length-to-width ratio from 10 to 30. The primary hydroxyl groups were regioselectively oxidized during the APS treatment. Therefore, the CNCs with stable properties could be extracted from HPHL using APS oxidation.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">28821070</PMID><DateCompleted><Year>2018</Year><Month>02</Month><Day>20</Day></DateCompleted><DateRevised><Year>2018</Year><Month>02</Month><Day>20</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-1344</ISSN><JournalIssue CitedMedium="Internet"><Volume>174</Volume><PubDate><Year>2017</Year><Month>Oct</Month><Day>15</Day></PubDate></JournalIssue><Title>Carbohydrate polymers</Title><ISOAbbreviation>Carbohydr Polym</ISOAbbreviation></Journal><ArticleTitle>Effect of oxidation time on the properties of cellulose nanocrystals from hybrid poplar residues using the ammonium persulfate.</ArticleTitle><Pagination><MedlinePgn>291-298</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0144-8617(17)30717-8</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.carbpol.2017.06.080</ELocationID><Abstract><AbstractText>This work was to investigate the influence of time on the properties of cellulose nanocrystals (CNCs) during the ammonium persulfate (APS) oxidation of hybrid poplar residues (HPHL). The CNCs at the different times were characterized by different techniques. The results showed that CNCs were thinned and shortened with increased oxidation time, and their yield, crystallinity index and zeta potential increased, however, these properties stayed constant after the APS oxidation for 16h. At this time, the CNC yield was more than 50%, and the CNCs had a zeta potential of -48.84mV and a CrI of 86.8%. More than 95% of CNCs had a width of 16.87±5.92nm, and 86.4% of them had a length-to-width ratio from 10 to 30. The primary hydroxyl groups were regioselectively oxidized during the APS treatment. Therefore, the CNCs with stable properties could be extracted from HPHL using APS oxidation.</AbstractText><CopyrightInformation>Copyright © 2017 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Jiang</LastName><ForeName>Hua</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China. 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