2019
DOI: 10.1080/01932691.2019.1647229
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Comparative study of CNC and CNF as additives in waterborne acrylate-based anti-corrosion coatings

Abstract: Nanocomposite coatings are of great interest as barrier coatings since synergy effects between matrix and additive properties can be achieved. This, however, requires favorable additive-matrix interactions to provide a strong interphase (interface region). In this work we elucidate the properties of two environmentally benign nanocomposite coatings based on a waterborne acrylate formulation with additives from renewable sources, i.e. either cellulose nanocrystals, CNC; or, alternatively, cellulose nanofibrils,… Show more

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Cited by 15 publications
(3 citation statements)
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“…CNFs (typically 3–15 nm in diameter and 1–3 μm in length) exhibit high moduli and high strength to enhance the mechanical strength of polymer matrix nanocomposites . However, it has been reported that the anticorrosion effect of a CNC nanocomposite coating is better than that of a CNF composite coating, as shown in Figure b,c. The strong hydrogen bonding between the matrix and nanoadditives revealed by FTIR was not observed in the CNF-reinforced coating.…”
Section: Nanoadditives With Different Dimensionalities For Anticorros...mentioning
confidence: 99%
“…CNFs (typically 3–15 nm in diameter and 1–3 μm in length) exhibit high moduli and high strength to enhance the mechanical strength of polymer matrix nanocomposites . However, it has been reported that the anticorrosion effect of a CNC nanocomposite coating is better than that of a CNF composite coating, as shown in Figure b,c. The strong hydrogen bonding between the matrix and nanoadditives revealed by FTIR was not observed in the CNF-reinforced coating.…”
Section: Nanoadditives With Different Dimensionalities For Anticorros...mentioning
confidence: 99%
“…[10][11][12][13][14] Much interest has been drawn towards using cellulose nanocrystals (CNCs) as a component in different water-borne polymer matrices for coating on metallic surfaces via traditional coating methods (e.g., casting, paint brush, tube applicator). [15][16][17][18][19][20] This interest is mainly attributed to the sustainability and the exceptional inherent properties of CNCs such as high crystallinity (B80-90%), 21 outstanding elastic modulus (145-150 GPa), 22 and high thermal stability (decomposition T B 200-300 1C). 23 However, the uniform distribution of CNCs in organic coatings and the process used to apply the coating may affect the adhesion to metallic surface and should be tuned coherently while making these materials commercially viable.…”
Section: Introductionmentioning
confidence: 99%
“…, casting, paint brush, tube applicator). 15–20 This interest is mainly attributed to the sustainability and the exceptional inherent properties of CNCs such as high crystallinity (∼80–90%), 21 outstanding elastic modulus (145–150 GPa), 22 and high thermal stability (decomposition T ∼ 200–300 °C). 23 However, the uniform distribution of CNCs in organic coatings and the process used to apply the coating may affect the adhesion to metallic surface and should be tuned coherently while making these materials commercially viable.…”
Section: Introductionmentioning
confidence: 99%