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A sustainable strategy for production and functionalization of nanocelluloses
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Antal upphovsmän: 82019 (Engelska)Ingår i: Pure and Applied Chemistry, ISSN 0033-4545, E-ISSN 1365-3075, Vol. 91, nr 5, s. 865-874Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

A sustainable strategy for the neat production and surface functionalization of nanocellulose from wood pulp is disclosed. It is based on the combination of organocatalysis and click chemistry (organoclick chemistry) and starts with nanocellulose production by organic acid catalyzed hydrolysis and esterification of the pulp under neat conditions followed by homogenization. This nanocellulose fabrication route is scalable, reduces energy consumption and the organic acid can be efficiently recycled. Next, the surface is catalytically engineered by organoclick chemistry, which allows for selective and versatile attachment of different organic molecules (e.g. fluorescent probes, catalyst and pharmaceuticals). It also enables binding of metal ions and nanoparticles. This was exemplified by the fabrication of a heterogeneous nanocellulose palladium nanoparticle catalyst, which is used for Suzuki cross-coupling transformations in water. The disclosed surface functionalization methodology is broad in scope and applicable to different nanocelluloses and cellulose based materials as well.

Ort, förlag, år, upplaga, sidor
2019. Vol. 91, nr 5, s. 865-874
Nyckelord [en]
click chemistry, cross-coupling reaction, heterogeneous catalysis, nanocellulose, NICE-2016, organocatalysis, surface engineering
Nationell ämneskategori
Kemi
Identifikatorer
URN: urn:nbn:se:su:diva-170140DOI: 10.1515/pac-2018-0204ISI: 000466859500008OAI: oai:DiVA.org:su-170140DiVA, id: diva2:1336909
Tillgänglig från: 2019-07-11 Skapad: 2019-07-11 Senast uppdaterad: 2019-07-11Bibliografiskt granskad

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Tai, Cheuk-Wai
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Institutionen för material- och miljökemi (MMK)
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Kemi

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