Product Description
(A) ink
Sublimation ink is the key material for sublimation transfer technology of disperse dyes, binders, solvents and a small amount of additives. The dye should have good sublimation metastatic and permeability. And reach a certain fastness, the molecular weight of 23O ~ 380, the sublimation temperature of 180 ℃ ~ 240 ℃ commonly used transfer printing dyes are anthraquinone dyes, azo dyes and cationic dyes. Connection material with the dye affinity is small, easy to release the dye gases, and suitable printability, preservation, and thermal transfer adaptability, commonly used to connect materials of low viscosity ethyl cellulose, ethyl cellulose ethyl diameter hormone (of EHEC), long oil-modified alkyd resin. A common solvent turpentine, terpineol, high boiling point alkyl, aryl alkanes, fibrinolytic agents.
(B) temperature and time
Sublimation technology to control the temperature within the range of 180 ℃ ~ 230 ℃, time is about 10 ~ 30s, keeping in mind the reasonable distribution of temperature and time.
(C) Pressure
One of the pressure is also an important parameter of the dye-sublimation transfer process. Fabric dye-sublimation transfer printing, for example, if the pressure is too small, the gap between the fabric and transfer paper, yarn was round, ink gas molecules with a large number of collisions in the air while the oven, resulting in poor printing results, while the ink is also easy to bleeding of the lines thicker, leaving the pattern, the pattern is blurred, the visual effect of variation; If the pressure is appropriate, the yarn was a suitable gap between the flat fabric and transfer paper, then transfer the coloring effect, a clear pattern, flowing lines Fine: If the pressure is too large, prone to distortion, fluff and heavy fabrics such as morphological change occurs, resulting in stubby and coloring superficial shortcomings. Therefore, control improved printed pressure on the printed pattern, a clear pattern, the visual effects is critical.
(D) Other
In addition to the ink, temperature, time and pressure can affect the quality of the dye-sublimation transfer printing, the actual production of the production process there are a number of issues worthy of our attention. First, the selection of transfer paper, stable quality, the supplier of the high degree of credibility is the preferred printing enterprises: Secondly, we must realize that the dye ink transfer prepress (heat and pressure before the transfer paper on the pattern) and transfer (transfer to the fabric pattern) and color vary widely, generally dye ink transfer prepress look dark and dull, relying on the high temperature of about 200 ℃ to restore the true color, so printing pre-production proofing is necessary : Finally, thermal transfer, to ensure that the pressing surface, transfer paper and the substrate surface closely stickers, there is no gap, otherwise, may appear blurred transfer graphics.
