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New inks that show multiple colors only after printing is completed are developed

 Last Update: 2021-08-15
 Source: Internet
 Author: User

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Ink is an important material for printing.
It can display text and patterns on the substrate through printing
.
However, you may seldom notice but you can figure it out that most inks, especially colored inks, are more or less toxic
.
This is undoubtedly affecting people's health or other aspects, and it is also undesirable for everyone
.
And now, a new study will change this situation
.

This research came from ITMO University in St.
Petersburg, Russia.
They developed an ink based on a colorless titanium dioxide colloid, which can be used on a variety of different surfaces
.
And, it produces different colors by changing the nanostructure
.

It may be difficult for you to understand this principle.
Let me give you a more common example in life: For example, butterfly wings, we can often see colorful brilliance on them, and their reflected light interferes with each other in light frequency, causing the surface It looks like a lot of different colors
.

The emergence of this new type of ink will change the existing printing form, not only make this work and similar items safer, but also make similar products look more different
.
In addition, this process will also be used in the production of some cutting-edge equipment
.
The research paper has been published in the recent "ACSNano" magazine
.

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