About four major printing process in the paper
Printing News
About four major printing process in the paper

A rubber paste printing technology,
Rubber paste printing technology application special chemical gel and dye highly seamless mix. The dye through the medium of gel role, a firm adherence in fabric, rubber paste printing technology overcome the limitations of water slurry printing. Its characteristic is to adapt to all kinds of color depth and material printing, it can be in cotton, hemp, viscose, polyester, polyamide fiber, polypropylene fiber, and various kinds of fiber of such blended fabric printing, also can be in leather, artificial leather on material such as printing, use it for fluorescence printing, printing ink, devore, electrostatic flocking printing technology such as printing. Rubber paste printing technology's biggest advantage is applied widely, colour is beautiful, reductive degree is high, but its printing process relative water slurry printing process to complex, cost relative to high.
The emergence of the rubber paste and widely used in water after plasma, because of its coverage is very good, make dark clothing can be printed on any light color, and has certain gloss and stereo feeling, make clothing looks more high-grade, so it to rapid popularization, almost every printing a T-shirt will use it. But because it has a certain hardness, so not suitable for wide field of design, the design of large area is best to seal water slurry, then adorn some rubber paste, such already can solve the problem of large area hard rubber paste, and can highlight pattern of the levels; Still have a kind of method is to large areas of field better design, make it bad effect, but always wears a little stiff, so best or water, combined with rubber paste to solve the problem of large area printing is good.
Second, water slurry printing technology
Water slurry printing process screen printing industry is one of the most basic printing technology, it can be in cotton, polyester, hemp, and so on, almost all of the shallow impression fabric printing, used widely. It is similar to the working principle of dyeing, what is different is the will of a field of fabric "dye" a need in flower color. So, this process in deep impression fabric can't applications. Water slurry printing technology's biggest advantage is applied widely, spend a fastness is very good, can use relative cheap price of printed out better effect. The limitation of the printing process water slurry is in all the dark fabric can't applications.
Three, foaming printing technology
Foam printing and says volumetric printing, printing process in foam rubber paste printing technology and develops on the basis of, it is in the principle of rubber paste printing dye to join several a certain proportion of high expansion coefficient of chemicals, printing a classics drying in 200-after the high temperature of 300 degrees and bubbly, achieve similar "relief" three-dimensional effect, foaming printing process visual printing the requirement of content and low foaming do effect is dazzing. Foam printing printing technology's biggest advantage is stereo sense is very strong, the printing surface outstanding, inflation. Widely applied in the cotton, nylon cloth etc material.
Foam printing paste has developed into physical foaming pulp and chemical foam slurry two old series, physical foam slurry is mainly contains microcapsule preparation, in microcapsule preparation storage in a low boiling point organic solvents, when the temperature rises, the organic solvent millirod agents quickly gasification, will millirod abscesses, the swell of millirod mutual extruding, caused by irregular overlap distribution, so rough surface, it also says the fleece printing. Chemical foam slurry has two kinds: one kind is hot plastic type resin and foaming agent, etc of paste, and the other is the polyurethane and solvent thickener composed of paste. But the latter fabric printing paste to the solvent recovery, bring certain difficulty to printing factory, so now generally USES the former.
Four, flocking printing technology
Electrostatic flocking printing technology is one of the three-dimensional printing technology. Its principle is of high strength of compound resin will stick with bright agent containing the desired the screen to transfer to a flower to print content on the surface, then let down through the hundreds of thousands of volts fiber high-pressure electrostatic field charged. Make fluffy vertical evenly rapid "bump" adhesive to, in the fabric surface "spread" on a layer of nap, then through high temperature curing. It is widely used in sofa fabric, packing box, shoe fabric, decoration, toys, industrial electric parts of protection, etc. Will the nap on surfaces with, not unaffected by the plant shape, size limit, flocking process printing products stereo sense is strong, bright red color, feel soft, not to take off a velvet friction resistance. Cotton cloth, silk hemp, leather, nylon cloth, all kinds of PVC, denim, rubber, sponge, metal, foam, plastic, cloth and so on all the resin without can be printed.
Flocking selected adhesives for printing and dyeing after processing industry plays an important role. Common adhesive is divided into foreign league type adhesives and self-crosslinkable type adhesives. Diplomatic united in its type adhesives molecule containing carboxyl (C00H) or amide base (C-NH2), amino (NH3) can and plus crosslinking agent functional group cross-linking reaction groups. Into film and rubber outside coupling agent reaction formation mesh skin membrane, and take the nap fixed in the cloth.
Choose adhesives generally want to note the following points: 1, grey cloth and stick down to force; 2, after flocking feel soft, surface film sex properly, so as to facilitate the flocking; 3, moderate viscosity, for the cloth in the spray, besmear, blow; 4, chemical stability, good resistance to climate property and washing sex; 5, convenient operation, when using, add a little viscosity adjustment agent can adjust the viscosity; 6, non-toxic and harmless, not easy to burn.

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