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Open Access Cellulose Nanocrystals: Surface Modification, Applications and Opportunities at Interfaces

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Cellulose nanocrystals (CNCs) are rod-like nano-scale particles that are widely available in nature and have recently gained great interest in both research and industry, due to their high strength, high crystallinity, high surface area, low density, biodegradability and low toxicity. CNCs can be easily extracted from natural cellulose sources and are broadly useful, for example in polymer reinforcement, paper manufacturing, and rheology modification. The high density of functional groups on the surface of CNCs allows various chemical surface modifications, which permit tuning the properties of CNCs over a wide range. This review gives a brief overview of surface chemical modification of CNCs, focusing especially on those often utilized for our own research, which focuses on some of the most prominent areas of interests of CNCs, notably polymer reinforcement, healable polymers, stimuli-responsive nanohybrids, Pickering emulsion stabilizers, viral inhibitors, and cholesteric liquid crystal assemblies.
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Keywords: CELLULOSE NANOCRYSTALS; COLLOIDAL LIQUID CRYSTALS; NANOCOMPOSITES; NANOTOXICOLOGY; PICKERING EMULSIONS; SURFACE MODIFICATION; VIRAL INHIBITORS

Document Type: Research Article

Affiliations: 1: University of Fribourg Adolphe Merkle Institute Polymer Chemistry and Materials Chemin des Verdiers 4 CH-1700 Fribourg 2: University of Fribourg Adolphe Merkle Institute Polymer Chemistry and Materials Chemin des Verdiers 4 CH-1700 Fribourg;, Email: [email protected]

Publication date: June 1, 2017

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  • International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions

    CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.

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