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Talking About Fabric Sublimation Transfer Technology
- Jan 08, 2019 -

Talking about fabric sublimation transfer technology

The fabrics printed by the sublimation transfer technology are fine, colorful, rich and clear, artistic, and strong in three-dimensional sense. It is difficult to print in the general method, and can print patterns of photography and painting style.

2. The printed product is soft to the touch and has a long service life.

The most important feature of sublimation transfer is that the dye can diffuse into the polyester or fiber. The printed product feels very soft and comfortable, and the ink layer is basically not felt. In addition, since the ink is already dried during the transfer process, the life of the image is as long as the life of the garment itself, and the printed graphic wear does not occur, which affects the aesthetic appearance of the fabric.

3. The process is simple, the equipment investment is small, the flexibility is strong, and the genuine rate is high.

When sublimation transfer, you can use Ep~, J multiple sets of color patterns without the need for flowers. You can print the pieces in a short period of time according to the customer's individual needs, to meet the individual needs of customers.

4 Save resources and protect the environment.

Different from traditional fabric printing, the sublimation transfer printing does not require post-treatment processes such as steaming and washing, which saves a lot of water resources and no sewage discharge, which can save resources and protect the environment. Second, factors affecting the quality of sublimation transfer

1. ink

Sublimation transfer ink is a key material for sublimation transfer technology. It is mainly composed of disperse dyes, binders, solvents and a small amount of additives. Dyes are required to have good sublimation transferability and permeability, to achieve a certain fastness index, molecular weight of 230 ~ 380, sublimation temperature of 180-240 ° C, commonly used transfer printing dyes are anthraquinone dyes, azo dyes and cationic dyes, etc. . The binder requires a small affinity with the dye, easy to release the dye gas, and has suitable printing adaptability, preservability and heat transfer adaptability. The commonly used binders are low viscosity ethyl cellulose and ethyl hydroxyethyl cellulose ( EHEC), long oil modified alkyd resin, and the like. Commonly used solvents are turpentine, terpineol, high boiling alkanol, aralkyl hydrocarbon, cellosolve, and the like. The most important feature of sublimation transfer is that the dye can diffuse into the fabric fiber and is well fixed with the fabric fiber. Therefore, the good quality sublimation ink has vivid color, strong stability and good transfer effect. At present, sublimation inks are classified into water-based and solvent-based types. Most of the sublimation inks are water-based. Water-based sublimation inks can be used in a variety of small-format desktop printers and large-format photo printers, while solvent-based sublimation inks are mainly used. Solve the problem of speed and width of inkjet printing on wide format printers. The quality of sublimation ink directly affects the Ep~J quality of the product. Therefore, it is very important to choose high-quality sublimation ink.

2. Wen Xia s time

The sublimation transfer process requires that the temperature be controlled within the range of 180 to 230 ° C, and the transfer time is about 1 to 30 s. At the same time, the temperature and time should be properly adjusted.

3. pressure

Pressure is also one of the important parameters of the sublimation transfer process. For example, if the pressure is too small, the gap between the fabric and the transfer paper is large, the yarn is round, and the ink gas molecules collide with the air in large quantities. And the escape, resulting in Ep~, J poor effect, at the same time the ink is easy to seep, the lines become thicker, the pattern, the pattern is blurred, the visual effect is worse; if the pressure is appropriate, the yarn is flat, between the fabric and the transfer paper The gap is suitable and the transfer coloring effect is good, the pattern is clear, the lines are smooth and fine; if the pressure is too large, the deformation, the fluffing and the heavy fabric are subject to morphological changes, resulting in rough handle and coloring surface. Therefore, it is very important to control the transfer pressure to make the printed pattern clear and visually beautiful. At present, the pressure adjustment of the heat transfer machine produced by most manufacturers is very convenient. In the actual production process, the operator should record the detailed process parameters, find the optimal transfer pressure of various products, and be effective for subsequent production and processing. guide.

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