What is clothing transfer printing
Date:2015-05-27 00:00 Source:http://www.cainir.com Click:
Transfer printing is the process of transferring the dye to the fabric on the transfer paper. It is according to some disperse dyes sublimation characteristic in 150 DEG C to 230 DEG C sublimation disperse dyes and the mixed with the slurry made of "color ink", and according to the requirements of different design patterns, "color ink printing to transfer paper and will be printed with patterns of transfer paper and fabric close contact, in a certain temperature control, pressure and time, dye printing paper from the transfer to the fabric, after diffusion into the inner fabric and coloring so as to achieve the objective.
Transfer printing is a sublimation method, swimming method, melting method and ink layer stripping method, etc.. Which is the most mature in the transfer printing of sublimation method.
One, sublimation method:
This is a kind of the most commonly used methods, with disperse dye sublimation characteristics, using a molecular weight of 250 to 400, particle diameter is 0.2 to 2 microns dispersed dyes and water dissolves the carrier (such as sodium alginate) or alcohol soluble carriers (such as ethyl cellulose), oil soluble resin made of ink, in the 200 DEG C to 230 DEG C of transfer printing machine processing 20 to 30 seconds, disperse dye transfer to polyester and other synthetic fibers and fixing.
Sublimation method generally experienced three processes: in the transfer process takes place before, all dye in the paper of the Indian film, printed fabric dye concentration and air gap is zero, the air gap depends on fabric structure, yarn and transfer some of the pressure. In the transfer process, when the paper to achieve the transition temperature, dye started evaporation or sublimation, and the formation of volatile concentrations in the fiber paper and, when printed fabric to transfer temperature, on the surface of the fiber began dye adsorption until reached a saturation value. Since the transfer of dye from paper to fiber is sustained, its adsorption rate depends on the rate at which the dye is diffused into the fiber. In order to make dye directed diffusion, often the vacuum in the lower side of the dyed fabric, the dye to achieve directional diffusion transfer. In following the transfer process, dyeing, paper dye content decreased, internal part of the remaining dye transfer to the paper, residual dyes depends on the dye vapor pressure, dye of slurry or transfer paper affinity and printing film thickness. Sublimation method generally does not need to go through the wet process, can save energy and reduce the load of sewage treatment.
Transfer paper printing ink layer of the dye according to the nature of the fiber selected. Fabric first after solid color additives and paste and consisting of a mixture of padding process and in the wet state by hot pressing migration, the dye from the transfer printing paper transfer to the fabric and fixation, the steaming and washing wet processing. There is a great pressure between the fabric and the transfer paper when the dye is transferred.
Three, melting method:
Transfer paper printing ink layer to dye and wax as the basic ingredient, pressurized by melt ink layer embedded in the fabric, so that part of the ink transfer to the fiber, then according to the nature of the dye for the corresponding treatment. When the melt method is used, the pressure is needed, and the transfer rate of the dye increases with the increase of pressure.
Four, ink layer stripping method:
Use heated after the fiber produced strong adhesion of inks, under the pressure of the small can make the ink layer rotation printing paper is transferred to the fabric, again according to the properties of the dyes as the corresponding solid color processing.
Transfer printing is suitable for the use of synthetic fiber fabrics, but also can be used for the printing of natural fibers and their blends. It has the following advantages: short process, India is finished, do not need washing, steaming after treatment process; simple equipment, low investment, less land occupation, low energy consumption; fine pattern, rich layers and clear, high art, three-dimensional sense of strong, the general methods for printing less, and can printing photography and painting style patterns; printing color, in the sublimation process, the residual tar dyes in the transfer paper, does not pollute the fabric; high yield, can transfer a multi-color printed pattern without flowers; flexibility, customers can select pattern printed in a a short period of time, in addition to printed cloth cloth outside, also can then transfer printing on clothes products, such as local printing, shirt collar cuffs, pocket.
Transfer printing, there are also some deficiencies, such as transfer printing of 80% is used for polyester fabrics, 10% for polyester blended fabric, 10% for acrylic, nylon and acetate fibers such as fabric, for natural fiber fabric has yet to be produced in large quantities, the range of use is limited. Also need to consume a large amount of paper, except the transfer paper, also need the backing paper, so the consumption and the size of the paper is printed fabric 2 times, to remain paper treatment is also a problem. And the production efficiency is low, the output of a transfer printing machine is 3 ~ 4 m / min, the higher is only about 8 m / min, which is suitable for small batch and variety.
Want to know more about Silicone Printing, silicone sublimation printing knowledge please pay attention to the three-dimensional Dongguan cainir garment accessories company.
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