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Sulfoethylated nanofibrillated cellulose: Production and properties
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2017 (English)In: Carbohydrate Polymers, ISSN 0144-8617, E-ISSN 1879-1344, Vol. 169, 515-523 p.Article in journal (Refereed) Published
Abstract [en]

Sulfoethylated nanofibrillated cellulose (NFCsulf) was produced by an industrially relevant process. The properties of the NFCsulf were compared with those of carboxymethylated nanofibrillated cellulose (NFCcarb), which has been identified as an attractive NFC for several industrial applications. The investigations revealed that NFCsulf is characterized by a higher degree of fibrillation and has superior redispersion properties. Furthermore, NFCsulf displays higher stability in varying pH values as compared to NFCcarb. Hence, NFCsulf may be a more attractive alternative than NFCcarb in applications such as rheological modifiers or adsorbing components in personal care products, in which the performance of NFC must remain unaffected in varying ambient conditions. The superior properties of NFCsulf compared to NFCcarb were proposed to be due to the combination of the unique chemical characteristics of the sulfoethylated reagent, and the larger size of the sulfonate group compared to the carboxymethyl group.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 169, 515-523 p.
Keyword [en]
Nanofibrillated cellulose, Sulfoethylation, Functionalization, Co-crystallization, Redispersion
National Category
Polymer Technologies
Identifiers
URN: urn:nbn:se:kth:diva-209276DOI: 10.1016/j.carbpol.2017.04.026ISI: 000402343000058PubMedID: 28504175ScopusID: 2-s2.0-85018995395OAI: oai:DiVA.org:kth-209276DiVA: diva2:1111690
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QC 20170619

Available from: 2017-06-19 Created: 2017-06-19 Last updated: 2017-06-20Bibliographically approved

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