How to Reduce Environmental Pollution in Printing Process

 

Nowadays, with the development of social economy, people's awareness of environmental protection is getting higher and higher. From the printing design before carton mechanical printing to the printing process and then to the processing after printing, the concept of green printing runs through the whole printing process, no matter which process will cause certain pressure to the environment. How to reduce or even avoid printing pollution has become a problem that many printing companies need to consider. In the process of printing, the ways to reduce pollution are printing materials, printing machinery and printing technology.

 

1. Developing Environmentally-friendly Inks

 

Green printing ink. It is made of pure natural materials. It has good fluidity, suitable dry operation and good adhesion. Ink with bright color and good transparency. The main types of ink are water-based ink, Uv ink and water-based Uv ink. The biggest difference between water-based ink and solvent-based ink is that the solvent used in water-based ink is water and ethanol, and the content of VOC is very low. It can not only completely eliminate the harm of some harmful substances in solvent-based ink to human body, but also improve the overall environmental quality. It is the preferred ink for business card printing. www.chinacartonmachine.com

 

Uv ink is a kind of UV-curable ink which can change from liquid to solid and emit solventless under certain wavelength of UV light. Uv ink has the characteristics of fast curing speed, environmental protection and good printing quality. Uv ink does not contain solvents, volatilization of solvents, and will not pollute the environment. The printed paper can be recycled and reused. It reduces the waste of resources and is considered as an environmental protection carton machinery product with almost zero pollutant emission. It has the reputation of energy-saving and environmental protection "green" products.

 

At present, the general development direction of ink is toward water-based environmentally friendly ink, solvent-free UV curing ink, special environmentally friendly ink adapted to different new materials, and ink that attracts nano-materials to form reduced weight and high performance.

 

2. Developing Environmental Flexographic Technology

 

Flexography is recognized as one of the best and most promising ways of printing dramas. On the one hand, it is widely adaptable and economical in printing. It can not only be used as a technology of picture album printing and photo book printing, but also can print publicity materials such as brochures or brochures. On the other hand, it is more important to use water-based ink in flexography, which has good printing adaptability and excellent rings. Environmental performance, just in line with the development trend of modern packaging and printing green carton machinery. Flexography has developed rapidly in developed countries such as Europe and America because of its good printing quality, wide range of printing materials, low investment, high output and good environmental performance. Flexography has even been called "package printing" in the United States.

 

3. Developing waterless offset printing technology

 

Alcohol vapor is a serious cause of health hazards in printing plants, and alcohols can pollute the environment. Since the use of alcohols in printing technology, people have been exploring ways to eliminate the use of alcohols. Anhydrous offset printing technology eliminates the alcohol-based embossing solution. Environmental protection is becoming more and more important. At present, although the application of waterless offset printing is not enough, considering from the point of view of environmental protection, all new technologies, new materials and new processes that are beneficial to the environment will have great development prospects in the future, especially with the development of digital printing technology, waterless offset printing will eventually become an important choice.

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