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News > Dynamic industry > Environmental protection ink

Environmental protection ink

Printing ink for packaging food: not easy to say I love you
Green food consumption has become a trend, but with very uncoordinated, many green foodand without the use of green packaging and green printing, but the use of some toxic, harmful substances as packaging and printing materials. Food package is called "special food additive"food ", as the personal clothing", their safety will directly affect the quality of food. From the daily life is not difficult to find, exquisite patterns printed on the packaging of food be riotous with colour, but few people know, pattern printing ink containing mostly benzene substances harmful to human body. It is understood, food packaging in our country at present is mainly the use of solvent based inks, the ink contains a lot of harmful solvents, such as benzene, toluene, xylene,benzene exceed the standard would cause cancer, particularly blood system diseases. In addition, heavy metals such as mercury, lead, ink, such as arsenic content also exist great harmon the human body.
Internationally recognized food printing ink used must abide by the principle of no transfer; foodpackaging are printed on the inner surface is not allowed to use conventional ink; printingmanufacturers must ensure that the printing ink solvent volatilization after all, printing inkrequires thorough curing, the corresponding standards and meet the application industry. Thus,the role of ink in food packing and printing is not a small beautiful.
Food packaging appeals to environmental printing ink products
Printing product safety issues will be the formation of new green trade barriers to china. From the print production process, the ink will undoubtedly become the complete industry chain have to mention the "hero". Most countries of the world now advocate the use of environmental friendly ink, alcohol soluble inks and ink, especially water-based ink as a green ink was more and more application.
Water based ink: water-based ink is currently used at home and abroad and most of the gravurepackaging printing ink, which is mainly composed of a water-soluble resin, organic pigment,solvent and auxiliary agents by composite grinding and into. It does not contain volatile organic solvents, not only can reduce the toxicity of the remainder of the printing, but also to prevent firedue to exposure to static and flammable solvents, is a new type of "green" printing ink. Water based ink is the best alternative products of benzene soluble ink.
UV curing inks, UV curing inks are mainly used for flexible printed soft substrate, which is composed of a prepolymer, reactive diluents, pigments, additives, photoinitiator / syntheticcomposition.
Electron beam curing inks: Food and beverage packaging industry the most electron beamcuring printing, printing method for offset printing. EB ink to adapt to high-speed, multi-color printing industry development direction of a printing. The main difference between the EB andLIV curing ink is ink binders in whether light initiator, when adding a certain amount of EB inks photocrosslinking agent, can also carry on UV curing. EB can be cured ink layer thick, because the ink without photo initiator, cost more than the LIV ink will be relatively low, but the electron beam curing equipment investment will be higher than the LIV curing.
Digital printing ink: digital printing technology is increasing along with the people of personalized packaging needs to penetrate the food packaging printing industry. Using digital printingtechnology can achieve the image of high enough resolution, can be ideal to reproduce the details of the image. The substrate materials are mostly foil, metal aluminum, PET polyester,paper, and suitable for printing web.
With the tightening of national policy on the quality and safety of food packaging, the environmental problem is becoming more and more important, food safety has become the focus of global attention and urgent task, and become environmentally friendly ink developmentcriterion. Gradually increase in the awareness of environmental protection today, people on the development of inks have a higher standard of environmental protection, the ink is the trend of the times, our packaging printing enterprises must unswervingly take the green development path, can adapt the time development.