How to reduce the pollution of carton printing press. In the printing process, the ways to reduce pollution are nothing more than printing materials, printing machinery and printing technology.
1. Vigorously develop environment-friendly ink
Green printing ink. It is composed of pure natural materials, good mobility, suitable dryness and good adhesion. Bright color, good transparency ink. This kind of ink is the most important waterborne ink, Uv ink and waterborne Uv ink three categories. The biggest difference between waterborne ink and solvent-based ink is that the solvents used in waterborne ink are water and ethanol, and the content of voc is very low, which can not only completely eliminate the harm of some harmful substances in solvent-based ink to human body. And can improve the overall environmental quality, is the first choice for business card printing ink.
UV curing ink (abbreviated as Uv ink) is in a certain wavelength of UV irradiation, can be changed from liquid to solid, no solvent discharge of photo-cured ink. UV ink has the characteristics of fast curing speed, green environmental protection, good printing quality and so on. UV ink does not contain solvent, there is no solvent volatilization, and will not cause pollution to the environment; the paper after printing can be recycled and reused. It reduces the waste of resources, is regarded as an environmentally friendly product with almost zero pollutant emissions, and has the reputation of energy-saving and environmentally friendly "green" products.
The general development direction of the ink is toward the water-based environment-friendly printing ink, the solvent-free photo-curing ink, the special environment-friendly printing ink which is suitable for different new materials, and the ink development of the nano-material forming and reduction and high-performance.
2. Development of environment-friendly and flexible printing technology
Soft-printing is recognized as the best and most promising form of impressionism. on the one hand, the printing has wide adaptability and economy, not only can be used as a technology for printing the picture book and the photo book, but also can be used for printing promotional materials such as a propaganda order or a brochure, and the other more important is that the soft printing adopts the water-based ink, Has good printability and excellent environmental performance, and is exactly in accordance with the green development trend of modern packaging printing. The flexo is due to its good printing quality. It has the advantages of wide printing material, low investment, high output, good environmental performance and the like, and developed rapidly in developed countries such as Europe and America. In the United States, it has even been called a "packaging and printing".
3. Development of anhydrous offset printing technology
Alcohol vapor is a serious cause of harm to health in printing workshop, and alcohol will pollute the environment at the same time. Therefore, since the use of alcohols in printing technology, people have been exploring ways to eliminate the use of alcohols. The anhydrous offset printing technology cancels the alcohol embellishment solution. It is becoming more and more important to protect the environment. At present, anhydrous offset printing is not widely used. But from the point of view of environmental protection. Any new technology, new material, new process that is beneficial to the environment. There will be a great future for development in the future。
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