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Because of their high mechanical performance, high specific surface area, and high aspect ratio, there is a strong interest in cellulose nanofibers (CNFs) as a reinforcing material for plastics. Although three hydroxyl groups per repeating unit exposed on the surface is a unique characteristic of CNFs, an effective chemical treatment to improve the reinforcing efficiency of CNFs for hydrophobic thermoplastic...
As the most abundant biopolymer in nature, cellulose has become a fascinating building block for the design of functional nanomaterials. Owing to the presence of numerous hydroxyl groups, cellulose provides a unique platform for the preparation of new materials via versatile chemical modifications. This critical review aims to present the advances about nanomaterials based on cellulose derivatives...
An efficient path to prepare cellulose acetoacetates is reviewed in detail. The biopolymer dissolved in N,N-dimethylacetamide-LiCl is allowed to react with 2,2,6-trimethyl-4H-1,3-dioxin-4-one at elevated temperatures without any catalyst. The procedure, which is briefly described in the literature (Marson and El Seoud in J Appl Polym Sci 74:1355–1360, 1999), utilizes simple to handle, commercially...
The antibacterial alkyl bromide groups were introduced into cellulose diacetate (CDA) through the esterification between highly active bromoacetyl bromide and hydroxyl groups under mild conditions and the modified cellulose acetate reverse osmosis membrane (Br-CA-RO) was obtained subsequently after phase inversion process. The results of FTIR and 1H-NMR indicated the existence of alkyl bromide groups...
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