posted on 2018-11-08 16:59:31
Sublimation plays an increasingly important role in the textile industry due to its advantages of low cost, environmental protection and sublimation transfer. Many garment factories are replacing the traditional death with the transfer of sublimation.
Image results of sublimation paper.
In fact, at the beginning, sublimation transfer was only used for small production, but for large-scale sublimation it became more and more popular. But one problem is that productivity is not as fast as traditional death, because sublimation paper can't be completely dry in time, although sublimation printers/plotters print very fast, but this problem slows down the production process. As a result, sublimation transfer paper manufacturers began researching and updating the technology, especially sublimation coating formulations, to help sublimate paper drying faster. Now this problem has been solved very well. All the sublimation papers on the market are of the type of "quick-drying" or "fast-drying". So today, we will try to explain this technology to all sublimation users.
By sublimation the coating is a functional part of the sublimation paper, which plays several important roles in absorbing the dye sublimation separation dye sublimation and base paper to prevent the dye sublimation from penetrating into the paper base and absorbing water in the sublimation ink. The third function is the drying process.
In the sublimation coating, there is a portion called a "water removal layer" which helps to handle the drying of the paper once the sublimation paper is printed. We use water-based sublimation inks, which means the carrier is water. Only when the water is exhausted, all sublimation dyes remain on the surface and the sublimation transfer results will be as good as expected. This is why we always emphasize the reason why sublimation paper must be completely dry during transfer; otherwise, the result of the transfer will not be good, because when the paper is still wet, all sublimation dyes cannot be transferred to the fabric. So how does the “dehydration layer” work?
There are many small holes in the layer that removes water, and the ink-receiving layer absorbs the dyes and sublimates the pores in the layer that removes water, which will absorb water or solvent (if used, sublimate ink solvent type) quickly, helping the paper to dry very much. fast. Those small holes are round, or like a ball, with a diameter of 0.3-2 um. According to our research, spheres can help absorb water or solvents more than other forms, so all SKYIMAGE sublimation papers use this formula.
The content of the water removal layer is about 2-3 grams. It may be too much or less. If it is small, it does not absorb moisture or solvent in time, and the paper dries very slowly. Nor can it be too much, because if too many balls, dye sublimation absorbs all water or solvent and then absorbs, then these dye sublimation can not be transmitted, the transmission results will not be very good. We have a kind of sublimation paper, called "instant drying", which is faster than the dry "quick drying", but the conversion efficiency is not "fast drying" because the layer removes more than 2-3 grams of water. This is how it works. If you want to give it a try, please contact us directly!
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