Pigments are used for coloring paint, ink, plastic, fabric, cosmetics, food, and other materials. Most pigments used in manufacturing and the visual arts are dry colorants, usually ground into a fine powder. This powder is added to a binder (or vehicle), a relatively neutral or colorless material that suspends the pigment and gives the paint its adhesion.
Just because of the pigments, our world become colorful!
According to foreign media reports, scientists have developed a self-destructible battery that can dissolve when exposed to high temperatures or liquids.
This battery provides 2.5 volts and can support the desktop calculator for 15 minutes.
It can supply electrical energy to medical devices implanted in patients, or ensure that military secrets are not leaked.
According to Reza Montazami, a professor of mechanical engineering at Iowa State University, this is the world's first practical transient battery.
Researchers have been studying how to dissolve the cells implanted in a patient's body over a period of years without harming the patient's health, thus eliminating the patient's pain in removing the battery.
Professor Montazami and the team of scientists have developed this lithium-ion battery. Recently, they published their research results in the Journal of Polymer Science (Part B: Polymer Physics).
The battery is 5 mm long, 1 mm thick and 6 mm wide. It is similar to commercial batteries in terms of composition, structure and electrochemical reaction.
It contains an anode, a negative electrode and an electrolyte separator. Its outer casing is a two-layer polyvinyl alcohol based polymer.
When the battery falls into the water, its polymer shell expands and the electrode collapses, causing the entire battery to begin to dissolve. However, it also contains some non-degradable nanoparticles, which means it cannot be completely dissolved.
The entire dissolution process takes about half an hour.
“Unlike traditional electronic devices that can be used for a long time, the important feature of transient electronic devices is that they are used within a set short period of time, and then they are quickly and completely (ideally) destroyed and disappeared.†This scientific paper says.
Dissolvable batteries can effectively help reduce waste caused by waste electronic equipment.
Researchers at the University of Illinois at Urbana-Champaign are studying circuit boards that can be dissolved in water.
John Rogers, a professor at the University of Illinois, said that once the soluble boards are dumped in the landfill, they will dissolve within three to six months. (Compile / Learn) 
Pigments
Paint Pigments,Plastic Pigments,Cosmetic Pigments,Dry Pigments,Dry Powder Pigments
Shandong Tiancheng Chemical Co., Ltd. , https://www.akdchemical.nl