A type of water-based ink for gravure printing of plastic films—WE type plastic film gravure water-based ink has been successfully developed by Beijing Incofan Chemical Products Co., Ltd. This product makes up for the lack of printability of similar products in China and makes In the field of domestic plastic film gravure printing, there is a product that can fully meet the required standards. At present, the product has been mass-produced and put on the market. It is expected that sales will reach 1,000 tons to 5,000 tons in 2006.
The printing effect and performance of this WE type plastic film gravure water-based ink can reach the level of similar products with aromatics as the main solvent, and the properties such as adhesion fastness, drying speed, color concentration and glossiness have reached the international advanced level of similar products. The product has good printing performance and adhesion fastness on plastic films such as BOPP, PE, and PET with a surface tension of 36 dyne/cm to 42 dyne/cm. When used in BOPP film printing, Printing speed up to 70m/min, rubbing fastness to 100% without peeling after 24 hours scraping, peeling fastness to 100% without peeling, ink film in 1:1 hydroalcoholic solution or 1% NaOH alkaline solution More than 2 hours of soaking can remain intact.
It is understood that the current domestic plastic gravure printing ink is mainly based on solvent-based inks. Excessive benzene poses a great harm to the human body. Gravure printing at high speed requires the use of highly volatile inks to meet the printing requirements. This makes the environmental issues in the gravure printing process. Especially prominent. Due to the absence of volatile organic solvents, water-based inks completely eliminate toxic and hazardous substances in solvent-based inks and avoid contamination of packaged goods. They are the only non-toxic inks approved by the US FDA at present. At present, there are only a few manufacturers in the country producing this type of ink, but due to the water-based ink in the gravure printing its adhesion, printing speed, gloss, etc. can not fully meet the solvent-based ink performance level, temporarily unable to meet the plastic film color packaging printing manufacturers Claim.
Source of information: pack.cn
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