Education

What is surface modification (hydro / oleo – phobic / philic) ?

Surface modification is the act of modifying the surface of a material by bringing physical, chemical or biological characteristics different from the ones originally found on the surface of a material. Hydrophobic effect The term hydrophobic means water (hydro) fearing (phobic). In chemistry, hydrophobicity is the physical property of a molecule known as a hydrophobe …

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Faded Aluminium

Iron and steel rust when they come into contact with water and oxygen. They rust faster in salty water or acid rain. We call this process oxidation and aluminium oxidises also. Now here comes the confusing part. Aluminium corrodes but it does not rust. Rust refers only to iron and steel corrosion. When iron oxidise the color …

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