With the development of the application of digital inkjet printing technology in the clothing industry, environmental monitoring is more stringent and the demand for small batch production and personalized customization is increasing. Therefore, the requirements for textile coating ink are becoming higher and higher, and the raw materials for the production of textile coating ink are becoming more and more important. There are a lot of digital hot ink on the market, most of them choose polyurethane resin this ink, good whiteness, good fluency and stability, which is the market reputation of this ink. As a link material for pigments and textiles, this resin produces paint inks with softness, toughness and elasticity. It has good compatibility with a variety of resins, and has water decomposition resistance and heat resistance. But the first impression this resin gives customers is expensive. At present, in the pigment ink material, good materials can ensure the whiteness of white ink, the brightness of color ink, the basic parameters of ink fastness. Ink whiteness, covering rate is the focus of everyone's attention, which has a direct relationship with a good color paste. Film transfer attaches importance to whiteness because the better the whiteness, the better the color of the ink printed on the white ink, if the color requirements are the same, the whiteness of the ink will be more ink saving. The coverage ratio directly affects the whiteness, the better the coverage, the higher the whiteness. Cover good ink, print white, do not leak the bottom, the product looks more beautiful. The fastness of the ink is also determined by the quality of the key material resin in the ink, the cost of a bottle of 1000 ml ink between the good resin and the cheap resin will be different by 10 yuan, but the good resin can improve the fastness of half a level, a very important half level. Without good materials, there will certainly be no good ink, but good materials need a good formula to become a good ink, there are dozens of materials in the ink, even a small change in each material, will affect the quality, need to re-test, in order to finally determine the formula. The following introduces a waterborne polyurethane Water-Based Emulsion For Fabric Ink BA-8311, which can be used in water-based pigment inkjet, white ink hot ink and other fields The resin features: ①Excellent physical properties; ②Excellent inking resistance; ③Good filterability and defoaming; ④Does not contain NMP, NEP and other cosolvents; If you need samples, you can apply for free by leaving a message in the pop-up window at the lower left corner. Relevant staff will contact you as soon as possible or call the official hotline: +86 0551 63459511

The resins that can be used for water-based gravure inks are acrylic resin, polyurethane resin, alkyd resin, etc. Each resin has different characteristics and application occasions, and needs to be selected according to the actual situation. First, water-based gravure ink overview Water-based gravure ink is an environmentally friendly ink, compared with traditional ink, its volatility is small, non-toxic and tasteless, non-flammable, with good printing effect and color stability, and in line with indoor air quality standards, in line with environmental requirements. Therefore, water-based gravure ink has been widely used. Second, the resin selection of water-based gravure ink Scattered droplets will break into various shapes due to different forces, but if the droplets are continuously sprayed into the same place, they can form relatively regular columns. If you use a YAG laser and divide the matrix, you can draw this columnar array when you cover the picture. Second, commonly used resin selection 1.Acrylic resin Acrylic resin has the advantages of high transparency, good weather resistance, excellent chemical properties, fast curing speed and strong film forming ability. The ratio of acrylic resin to other water-based resins can achieve different effects. Acrylic resin is suitable for printing paper, strip, film and other materials. 2.Polyurethane resin Polyurethane resin has good abrasion resistance, adhesion, scratch resistance and excellent printing effect. The transparency of polyurethane resin is good, even if it is printed with different color background materials, it can still accurately restore the primary color. 3.Alkyd resin Alkyd resin is a versatile resin with excellent adhesion and gloss. The ratio of alkyd resin and other resins can achieve different printing effects. Alkyd resin is mainly suitable for printing patterns and text products. Third, the choice of resin Each resin has different characteristics and application occasions, it is necessary to choose the appropriate resin according to the actual situation. At the same time, manufacturers can also combine and select according to product requirements to get better printing results and production benefits. Ending In summary, the choice of water-based gravure ink resin has an important impact on the printing effect and environmental protection requirements. Manufacturers should choose resins according to the characteristics and needs of their own products to achieve better printing results and production benefits.

In order to prevent ink delamination and pigment precipitation, users must be fully stirred before printing. The following summarizes the faults and elimination methods of screen printing ink in use for your reference. 1.Poor adhesion: the reason is improper selection of ink, insufficient pre-press treatment, impurities in the substrate, insufficient drying temperature, insufficient time, improper dosage of additives, curing agent, drying agent, two-component ink color overlay printing background color curing hard. Because PE, PP, PET, aluminum foil and other materials have very low chemical polarity or are too smooth, they are generally treated with electric spark, flame, and strong acid immersion to improve the surface tension of the printed surface. After the base color table is dry, it can be printed. 2.Pinhole: The reason is that the substrate is too smooth, the printing surface has grease or impurities, and the ink itself is poor, so the surface of the substrate must be pre-press treatment, adding leveling agent or replacing excellent ink. 3.Drawing: The reason is that the viscosity is too high, the drying is too fast, and the resin used in the ink is not properly matched with the solvent. Appropriate solvents should be used, appropriate viscosity should be adjusted or good ink should be replaced. 4.White or foggy printing surface: the reason is that the diluent contains water, the printing environment air temperature is high, or the printing ink itself is poor. Because when the printing surface is dry, the solvent volatilization will absorb the surrounding heat, resulting in local water vapor solidification in the ink film or the surface causing white atomization, so you should choose the appropriate drying speed or reduce the space temperature, or replace the excellent ink.

After the ink is stored for a period of time, the upper part of the ink appears thin in the container, the viscosity is small, and the color and concentration are relatively poor; The lower part is thick, the viscosity is large, and the color and concentration are also relatively good. Intaglio printing inks are thin and have a small viscosity, because the pigment is poorly dispersed in the connecting material; Excessive density of pigments or fillers; It is easy to precipitate after long-term storage. Even after fully shaken, without affecting the use of the conditions, this state of the ink will give customers a bad impression, while increasing the burden of workers.