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Preparation and Characterization of Functionalized Cellulose Nanocrystals

Preparation and Characterization of Functionalized Cellulose Nanocrystals

Assya Boujemaoui, Surinthra Mongkhontreerat, Eva Malmström, Anna Carlmark

Carbohydr Polym. 2015 Jan 22;115:457-64.

PMID: 25439919

Abstract:

In this work, a series of functional nanocrystals (F-CNCs) was successfully produced by an efficient preparation method, combining acid hydrolysis and Fischer esterification with various organic acids. Functionalities such as ATRP initiators, double bonds, triple bonds, and thiols could be incorporated on CNCs. Surface modification was confirmed by FT-IR, XPS, and elemental analysis. Physical properties of F-CNCs were assessed by AFM, XRD and TGA. Moreover, ATRP initiator functionalized CNCs were utilized to graft poly(methyl methacrylate) via ATRP, thiol functionalized CNCs were reacted with Ellman's reagent to determine the thiol content and dye disperse red 13 was attached to alkyne functionalized CNCs to estimate the propiolate content. The herein presented method is a highly versatile and straightforward procedure for the preparation of F-CNCs which is believed to be a better alternative for the commonly utilized, extensive, multistep, and time consuming post functionalization methods.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP82701584	Disperse Red 13 methacrylate		82701-58-4	Price

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