Coating Materials: Nano-Materials

Coating Materials: Nano-Materials

Mintu Maan Dutta (Gauhati University, India) and Mridusmita Goswami (Gauhati University, India)
DOI: 10.4018/978-1-7998-4870-7.ch001
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The ever-growing interest in nanocoating and its enthralling protective properties makes it a very capable candidate for next generation protecting systems. The future of these special nanocoating markets will be expanding in different industries such as marine, building, and defense. The main purpose of coatings involves the use of thin films (nanoscale dimensions) that are applied to the surface of materials, which improve the material functionalities. Some of the improved functionalities include anti-corrosion, easy-to-clean (anti-graffiti), anti-icing, anti-fogging, anti-fouling, etc. Some of the common techniques used for nanocoating are chemical vapor phase deposition, physical vapor phase deposition, Sol-gel methods, electro-spark deposition, electrochemical deposition, and laser beam surface treatment. Commercial application of nanocoating nanotechnology includes self-cleaning coatings, depolluting coatings, ultraviolet (UV) light protective coatings, anticorrosion coatings, thermal resistance, anti-fouling coatings, and anti-graffiti coatings.
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Nanotechnology is an emerging branch of science and technology that deals with the study of matter at dimensions roughly in the range of 1-100 nm (1 nm = 10-9 m). (Joshi & Adak, 2019) Materials in nanometer scale possess specific physical, chemical and biological properties that differ in fundamental and valuable ways from properties of bulk matter. (Kim, 2010) Potential application of nanotechnology includes its use in catalysis, scientific tools, textile industries, electronics, biomedical application, agriculture, environmental remediation etc. (Joshi & Adak, 2019) Recently, reports have been found which explains the use of nanotechnology in solving various problems that are persisting in various developing countries. One of the important industrial applications includes the use of nanostructured coating where nanotechnology has been extensively used is the coating. (Achanta et al., 2011) It is therefore now possible to use nanomaterials and nanostructures in the coating industry for its application in various fields. (Dubbert et al., 2014)

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