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Category: Superhydrophobic

Posted on January 4, 2020February 3, 2020

IIT Guwahati use contrasting water wetting behaviour for anti-counterfeiting

IIT Guwahati researchers have used the contrasting water wetting behaviour for anti-counterfeiting measures. Unlike the rest of the surface, micropatterns produced through molecular printing are highly hydrophilic in nature and…

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Posted on August 24, 2019August 25, 2019

IIT Hyderabad develops waterproofing material using fly ash

Researchers at IIT Hyderabad have developed a cheap waterproofing material by coating fly ash, a waste by-product from coal-based thermal power plants, with stearic acid. The surface can be made…

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Posted on June 22, 2019

IIT Guwahati uses water-repelling cotton for sustained drug release

IIT Guwahati researchers have used extremely water-repelling cotton for sustained drug release lasting as long as 110 days. In moderately water-repelling cotton, the drug is released over 50 days. Two…

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Posted on March 17, 2019March 17, 2019

IIT Guwahati’s chitosan-based gel selectively removes oil or water 

Researchers at IIT Guwahati have chemically modified the chitosan to make it selectively remove either oil or water phase from an oil-water mixture. In a first, they made it possible…

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Posted on October 26, 2018October 28, 2018

IIT Guwahati uses aloe vera to remove oil from water

IIT Guwahati researchers have synthesised an extremely oil-repelling (super oleophobic) membrane using an aloe vera gel-based coating modified with some molecules. This is the first time a naturally occurring material…

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Posted on March 17, 2018March 18, 2018

IIT Guwahati develops superhydrophobic coating that mimics lotus leaves, rose petals

IIT Guwahati researchers have developed a superhydrophobic coating that can make the surface behave like a lotus leaf where water droplets roll off easily or a rose petal where the droplets stick…

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Posted on November 4, 2017November 4, 2017

IIT Guwahati uses superhydrophobic cotton to remove oil-spill

Using superhydrophobic cotton Dr. Uttam Manna and his team were able to remove 95% of oil-spills, both light and heavy oils. The efficiency of absorption was above 2,000 weight percentage for both…

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Posted on October 28, 2017October 28, 2017

IIT Madras develops extremely water-repellent coating

The superhydrophobic coating exhibits a water contact angle of more than 160 degrees. It has high mechanical durability and chemical stability, and can be coated or spray painted on any surface including…

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