Inkjet (photo) ink fading cause analysis

We know that color inkjet printing printed out of the picture, the rich color comes from the dye in the ink, if the phenomenon of fading must be one of the dye changes will appear this phenomenon, then what factors can cause the dye changes in the ink? The first is the ultraviolet radiation, the second is the dye in the ink encountered some oxidation-reducing substances make the chemical structure of the dye changed, thus producing the phenomenon of fading.

Rays fade is associated with the intensity of ultraviolet (uv) light, of course, we know that indoor ink production of picture is placed indoor place without direct sunlight, only to bear some of indoor lamplight illuminate, in this case, if the ink dye fast a category 5 ~ 6 grade, then its indoor storage time (no visual badly faded) two or three years, so must first look at the pictures when faced with faded phenomenon have been uv radiation is strong, such as light-box excessive ultraviolet light bulbs, use inferior tubes to light one of the most common cause of the appearance fades in color fading is light. Faded on the other hand, the reason is met some dye oxidation of reducing substances, when the ink on the coated medium, the above answer with glial membrane, or if the coating membrane containing oxidizing substances will be fade phenomenon, such as when our hands stained with ink, very not easy to wash, wash with 84 disinfection will wash out immediately, and it is for this reason, this fade generally has the following characteristics: 1, light, or the picture of neutral colors feel very fast and sometimes only a few hours. 2. This kind of picture will fade quickly even if placed in a dark or dark place. 3. The color of the picture will not fade to a certain extent (indicating part of the reaction). There will be slight differences in different situations. At present, the general material coating in the domestic market basically passes, the lamp is poor, because the film caused by fading is also from time to time, this point we can understand through some specific practical tests.