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Issue 22, 2018

Biomimetic scale-resistant polymer nanocomposites: towards universal additive-free scale inhibition

Author affiliations

Abstract

Macromolecular additives have long been used as the gold standard for inorganic scale inhibition in water-based industries. Despite their noticeable success in regulating the precipitation of sparingly soluble salts, environmental footprints such as eutrophication and acidification associated with anionic P, N, and S functionalized macromolecules have raised significant concerns, demanding green alternatives. Here, we show that incorporating a newly emerged nanoengineered cellulose, named anionic hairy cellulose nanocrystals (AHCNs, also known as electrosterically stabilized nanocrystalline cellulose, ENCC), into polymer matrices, e.g., cellulose acetate, a model system for water treatment membranes, mitigates the scaling of calcium carbonate, increasing the membrane lifetime up to a factor of 300% under harsh electrochemical conditions at only 0.4 wt% nanocellulose doping in the membrane casting solution. This may help establish the foundations for additive-free scale management based on plant-derived green, sustainable nanomaterials.

Graphical abstract: Biomimetic scale-resistant polymer nanocomposites: towards universal additive-free scale inhibition

Supplementary files

Article information


Submitted
05 Feb 2018
Accepted
19 Apr 2018
First published
23 Apr 2018

J. Mater. Chem. A, 2018,6, 10189-10195
Article type
Communication

Biomimetic scale-resistant polymer nanocomposites: towards universal additive-free scale inhibition

A. Sheikhi, A. Kakkar and T. G. M. van de Ven, J. Mater. Chem. A, 2018, 6, 10189 DOI: 10.1039/C8TA01197D

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