No version digital transfer printing technology
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Transfer printing is an industrial-scale fabric printing technology that began to be used for fabric printing in the late 1960s. The feature of transfer printing is that the printed graphic is not printed directly on the fabric. Instead, it is printed on the intermediate and then transferred to the substrate. The intermediate can be a paper or plastic film. Transfer printing has the following advantages over direct printing:
1 The pattern is artistic, rich in layers, realistic in form, fine in pattern, beyond the traditional printing level, especially the pattern transferred by flat printing paper is fine, clear and high quality.
2 Since the transfer printing eliminates the wet treatment process in the production process, there is no waste water discharge, which meets the requirements of green production in the 21st century.
3 The process is simple, the delivery is fast, and the production is highly flexible.
4 Less investment, small footprint, and easy to launch.
5 Textile printing has no waste, and the waste of transfer printing paper has been eliminated.
Although transfer printing has these advantages, competition in the market will become more intense in the future due to the increasing cost of fabric printing. In addition, the production of transfer printing paper (film) is the same as that of direct printing. It is not necessary to get rid of the binding of the printing plate. Just like the production of color printing fabric, it is necessary to make a screen. If the printing printing paper is produced by screen printing, each printing color is required. A screen version. The network version is not only time-consuming but also costly.
The best way to reduce the cost of transfer printing and improve the quality of the product is to not use the screen in the process of proofing the printed paper. With the development of transfer technology and control technology, the printing system has been effectively used in printing production in recent years. Among them, there are two main types of heat transfer technology suitable for digital transfer printing, namely thermal diffusion (sublimation) transfer and hot wax transfer. This is a technique in which a ribbon is used as a transfer medium to transfer a digital pattern onto a substrate. Color hot wax transfer and dye sublimation printers work very similarly, so there are many hybrid printers that can be used both as a thermal wax print and as a dye sublimation printer, depending on the medium used. Both of the above printers are provided with color by a ribbon. The ribbon consists of four pieces of cyan, magenta, yellow, and black (usually) of the same page size. One frame is followed by one frame, and the color pattern is printed four times. , one color at a time. The ribbon used in the dyeing sublimation printer is coated with a transparent dye, and the hot wax printing ribbon is coated with a thin layer of colored wax. When the ribbon is printed by a computer-controlled thermal printhead, the ribbon can be image transferred. The difference between the two is that in the dye sublimation transfer printing, the dye has a dyeing and fixing phenomenon; in the hot wax transfer printing, since the transfer body is a pigment-containing wax, the fastness of the pattern on the surface of the transferred body is poor. Further research and development is needed.
Nowadays, transfer printing plays an important role in the fabric printing market. Since the originals of the digital printing transfer printing products are graphic and digital information, and the digital printing image acquisition methods are flexible and diverse, the television and the camera can be used to capture images. Connected to the computer through the digitizer board, the function of the digitizer board is to convert the analog signal of the camera into a digital signal. After the computer accepts the data, it is stored in a certain file format for further processing by the user; a color scanner, a digital camera, etc. can also be used. It is more suitable for using online publishing technology to download images from the Internet for printing. Online publishing has three distinct characteristics of product digitization, circulation network and electronic transaction, which will greatly influence and change our lives. Therefore, digital transfer printing adapts to the current market changes, small batch size, short cycle development trend, and simple equipment, small investment, is a decorative printing technology that can be used for fabrics and apparel with small demand and fast variety changes.