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The status of the thermal transfer technology and research
发布日期:2012/3/13 点击率:1427

The status of the thermal transfer technology and research

Becoming increasingly popular in the fashion arts and crafts, a variety of transfer technology used to make crafts also will be developed, which attracted many entrepreneurs and fashionable beauty clan. The transfer printing technology is a kind of special printing is widely used in a variety of irregular field of porcelain, container, textile, commodity label printing, with a very good market prospects. Among them, the best known transfer technology than water transfer and heat transfer of these two, what is the heat transfer technology? What are its characteristics and uses? Transfer operations and market demand? Below we discuss these problems one.

(1) Thermal Transfer Technology Overview

Transfer is on the film of intermediate vector graphics using the corresponding pressure being transferred to a printing method on the substrates, depending on the use of pressure, the transfer can be divided into the water transfer, heat transfer, gas transfer, wire transfer, low-temperature transfer. Among them, the heat transfer Portrait, Landscape, and any image using the thermal transfer ink (ie, dye-sublimation ink) printed on color inkjet paper (or dye-sublimation ink-jet printing paper), or ordinary ink printed on the film heat on the transfer paper, and then through the heat transfer heating equipment within minutes, heated to a certain temperature, the paper patterns or colors to transfer to a special printing on porcelain, glass, metal, plastic, cotton fabric and other materials process.

Thus, the use of thermal transfer technology, even multi-color pattern, just a process of heat transfer operations, customers can shorten the printing pattern, reduce the loss of materials (finished goods) caused as a result of typographical errors. In other words, the use of thermal transfer film printing multi-color pattern is a map, without chromatography, even with some simple equipment can also print out a realistic pattern, so, greatly increase its scope and to achieve transfer operation.

2 thermal transfer technology.

The thermal transfer technology can be divided into the dye-sublimation transfer printing and hot transfer. Sublimation is also known as gas-phase heat transfer, using a dye-sublimation conditions, to be printed by offset printing, screen printing, gravure printing, such as portrait, landscape, text, graphics mirror-reversed The way of printing on paper. Then printed graphic paper substrates, by heating (usually about 200 ℃) pressure on the sublimation transfer paper ink directly from the solid-state transformation of gaseous Photo transfer to the substrates things on. In this process, is used to transfer the paper called "sublimation transfer paper, sublimation transfer ink sublimation dyes and link material.

The hot press transfer (You can also use the gravure screen printing, etc.) graphic printing on thermal transfer paper or plastic, and then by heating the pressurized Photo transfer to the substrates. However, with the popularity of laser printers and inkjet printers, and many small workshops, laser printer computer-generated good graphics directly printed on transfer paper, or inkjet printer to print graphics in ordinary print paper then the electrostatic copier to transfer paper will transfer paper on the graphic by heat and pressure transfer to the substrate. This is the digital thermal transfer technology is now widely referred to.

Production tools and processes

Using thermal transfer technology can be widely applied to objects of porcelain, glass, metal, plastic, cotton fabric and other materials, but because of the heat transfer by heated area, the limitations of the object shape, of different sizes, shapes, objects often need to specific authoring tools, transfer and production tools mainly tablet machine (heat transfer machine), bakeware, baking cups, etc., but after all, their production methods are based on thermal transfer principle, so production steps and processes are similar, but the application of heat transfer tool. The following tablet machine to transfer images to clothing, for example, thermal transfer production of the steps and processes.

The first step: the image through a color inkjet printer to print out.

Step Two: Print out the pattern on the first side, about 15 to 20 minutes after the start transfer. Transfer, will print good image on the clothes above, it should be the pattern face down, then asked for a transfer of heat transfer equipment, transfer a good time (usually 20 seconds), close the heating plate of the equipment (Note : cotton T-shirt before the transfer should first spray a little darkening agent in the printing area, and shall be dry after the heat transfer, its role is to change the ink color by heat stress, and improve the effect of ink on the clothes of bright) .

The third step: the temperature is too high yellow clothes in order to avoid clothing pad an interlining and then thermal transfer. In heat transfer equipment, time alarm, lift the heating plate, and quickly uncover the pattern of the paper, remove the clothes, and power off the unit.

Step 4: Finally, to be clothes temperature cools, fold the bag to complete the entire thermal transfer production to produce a finished product.

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