Nano ink was first developed in 1994 by the US XMX company to successfully develop nano uniform particle pigments used in the manufacture of ink. Because nano metal particles can absorb all light waves and make them appear black, at the same time they have a scattering effect on light, so these characteristics can be used Add nano metal particles to black ink to make nano ink to improve its purity and density.
The composition of the ink consists of pigments and stretching agents. The key to nanometerizing ink lies in the pigment part. Since pigments are resistant to water and light, they are not as good as dyes in the vividness of colors. The emergence of nanotechnology makes it possible to solve this problem. The main difference between nano-pigments and traditional pigments is the size of the particles. The average particle size of traditional pigments is about 100 to several microns, and pigment particles less than 100nm can be called nano-pigments. At present, the pigment particles have been dispersed to 30 nm. Nano-materials not only retain the characteristics of water resistance and light resistance of traditional pigments, but also can fully display bright colors, improve the color saturation of printed products, improve the harmony and level of colors, and have penetrability, conductivity and quick-drying film formation. The advantages of this make up for the shortcomings of traditional inks.
After nanometerization of ink pigments, it can be used in many fields, and it can be applied to inkjet printing of advanced photos. It not only does not block, but also presents natural color quality. If the nano-pigment technology is applied to exquisite printing, digital printing or high-resolution printing, quite exquisite prints can also be obtained. Most of the printing inks used in China today are mainly self-produced and self-sold. Compared with foreign imports, the quality still has a lot of room for improvement.
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