Do you know that "digital printing" process in three categories?
In recent years, there have been many new developments in printing technology. For example, the application of digital technology in plate making technology has undergone a fundamental reform. The application of electronic color matching in printing color has improved the printing quality. In addition, Printing, inkjet printing, electrostatic printing has also made rapid development in the conventional printing process also has a lot of new progress!
1, according to the printing method classification
Digital printing is the inkjet printing technology collectively, in order to more clearly explain the various printing methods and characteristics, this paper on the textile fabric digital printing in all directions, various types and process decomposition introduced.
(1) digital direct printing:
Digital direct jet printing method for the dispersion, acid dyes, paint, active ink, digital direct printing method is directly on the pulp in the semi-finished textile on the direct printing process, the process is: according to the textile selection of the corresponding ink, The design of the pattern, sizing, and then to the textile direct printing machine for direct printing, and then drying, steaming, washing, drying, plus soft stereotypes and other technology (which can be as long as the baking paint can be fixed)
(2) sublimation printing method:
Heat transfer printing is the first textile dyes printed on paper (on the coating), and then thermal transfer printing machinery to the paper on the pattern transfer to the textiles. The advantage is relatively high precision, but the printing efficiency is low, can only do polyester or polyester-containing high textile, which transfer fabrics are processed semi-finished products and no added softener (plus a softener may affect Color rate).
(3) cold transfer method:
And thermal transfer, you need to first print the textile dyes on paper, and then use special machinery to paper and fabric embossing, to achieve the transfer of patterns. There are two kinds of fabric after embossing,
First, the traditional steaming, washing, stereotypes and other traditional process;
Second, the cold reactor chemical reaction treatment fixing (fabric to be in advance chemical treatment).
The use of reactive, dispersive, acid and other dye inks, in addition to blended fabrics are applicable to this process.
2, according to the classification of dyes and technology
(1) decentralized digital printing:
At present, more than 50% of our printing ink is used as disperse dye ink for polyester fiber and other chemical fiber fabric printing; disperse dye is a kind of water-soluble is very low, with the aid of the role of dispersant to micro-particles in water mainly height Non-ionic dyes present in dispersed state
(2) active digital printing:
Reactive dye ink accounted for about 29%, mainly for silk and cotton fabric printing; reactive dyes, also known as reactive dyes. A dye that reacts with the fiber at the time of dyeing. This kind of dye color separation contains the chemical reaction with the fiber genes, dyeing and fiber reaction, the formation of covalent bond between the two, as a whole, so that washing and rubbing fastness improved. The active fuel molecules include two main components of the parent dye and the active group, and the group reactive with the fiber is referred to as the reactive group. At present mainly used in cotton, general anesthesia, silk and other woven and knitted fabrics or above the higher composition of the fabric.
(3) acidic digital printing:
Acid dye ink proportion is small, about 7%, for wool, nylon and other fabric printing. Acid dyes are water-soluble dyes with acidic groups, and are stained in acidic media. Most of the acid dyes contain sodium sulfonate, soluble in water, bright color, complete chromatography. Mainly used for wool, silk and nylon dyeing, can also be used for leather, paper, ink and so on. The cellulose fibers generally have no tinting power.
(4) pigment ink digital printing:
China's pigment ink use less, less than 2%, mostly for foreign products, manufacturers are Huntsman, BASF, DuPont, Klein and other companies.
3, according to fabric composition classification:
(1). Cotton-based digital printing, but hemp, silk, etc. can also be used reactive dyes ink;
(2). To chemical fiber-based digital printing, with sublimation dye sublimation dye ink production and chemical fiber dispersion direct injection digital;
(3). To T / C and some other mixed fabric, can not use the activity, dispersion, acid dye ink single operation of the fabric, with the paint ink printing;
(4). To nylon and wool-based digital printing, with acid dye ink production, silk can also be.
1, according to the printing method classification
Digital printing is the inkjet printing technology collectively, in order to more clearly explain the various printing methods and characteristics, this paper on the textile fabric digital printing in all directions, various types and process decomposition introduced.
(1) digital direct printing:
Digital direct jet printing method for the dispersion, acid dyes, paint, active ink, digital direct printing method is directly on the pulp in the semi-finished textile on the direct printing process, the process is: according to the textile selection of the corresponding ink, The design of the pattern, sizing, and then to the textile direct printing machine for direct printing, and then drying, steaming, washing, drying, plus soft stereotypes and other technology (which can be as long as the baking paint can be fixed)
(2) sublimation printing method:
Heat transfer printing is the first textile dyes printed on paper (on the coating), and then thermal transfer printing machinery to the paper on the pattern transfer to the textiles. The advantage is relatively high precision, but the printing efficiency is low, can only do polyester or polyester-containing high textile, which transfer fabrics are processed semi-finished products and no added softener (plus a softener may affect Color rate).
(3) cold transfer method:
And thermal transfer, you need to first print the textile dyes on paper, and then use special machinery to paper and fabric embossing, to achieve the transfer of patterns. There are two kinds of fabric after embossing,
First, the traditional steaming, washing, stereotypes and other traditional process;
Second, the cold reactor chemical reaction treatment fixing (fabric to be in advance chemical treatment).
The use of reactive, dispersive, acid and other dye inks, in addition to blended fabrics are applicable to this process.
2, according to the classification of dyes and technology
(1) decentralized digital printing:
At present, more than 50% of our printing ink is used as disperse dye ink for polyester fiber and other chemical fiber fabric printing; disperse dye is a kind of water-soluble is very low, with the aid of the role of dispersant to micro-particles in water mainly height Non-ionic dyes present in dispersed state
(2) active digital printing:
Reactive dye ink accounted for about 29%, mainly for silk and cotton fabric printing; reactive dyes, also known as reactive dyes. A dye that reacts with the fiber at the time of dyeing. This kind of dye color separation contains the chemical reaction with the fiber genes, dyeing and fiber reaction, the formation of covalent bond between the two, as a whole, so that washing and rubbing fastness improved. The active fuel molecules include two main components of the parent dye and the active group, and the group reactive with the fiber is referred to as the reactive group. At present mainly used in cotton, general anesthesia, silk and other woven and knitted fabrics or above the higher composition of the fabric.
(3) acidic digital printing:
Acid dye ink proportion is small, about 7%, for wool, nylon and other fabric printing. Acid dyes are water-soluble dyes with acidic groups, and are stained in acidic media. Most of the acid dyes contain sodium sulfonate, soluble in water, bright color, complete chromatography. Mainly used for wool, silk and nylon dyeing, can also be used for leather, paper, ink and so on. The cellulose fibers generally have no tinting power.
(4) pigment ink digital printing:
China's pigment ink use less, less than 2%, mostly for foreign products, manufacturers are Huntsman, BASF, DuPont, Klein and other companies.
3, according to fabric composition classification:
(1). Cotton-based digital printing, but hemp, silk, etc. can also be used reactive dyes ink;
(2). To chemical fiber-based digital printing, with sublimation dye sublimation dye ink production and chemical fiber dispersion direct injection digital;
(3). To T / C and some other mixed fabric, can not use the activity, dispersion, acid dye ink single operation of the fabric, with the paint ink printing;
(4). To nylon and wool-based digital printing, with acid dye ink production, silk can also be.
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