The Biggest Killer In Printing Pollution -------Ink
Published on Jan. 21, 2019
The development of the printing industry is closely related to human life. Pollution in printing is a topic we cannot avoid. There are six main sources of contamination throughout the printing process, including: inks, fountain solutions, waste developer, plastic coatings, oil-based glazing materials, and plastic printing waste.
Among the many sources of pollution, ink is the biggest killer of printing pollution. First of all, the traditional solvent-based inks are widely used in the printing industry. The inks are composed of pigments, binders, solvents, and filler adjuvants. The solvents used are mainly aromatic hydrocarbons, esters, ketones, ethers, and other organic solvents. They are toxic, can contaminate the packaged food, drug makeup and other items; and are volatile, can emit a strong pungent odor to pollute the environment and affect the health of workers.
In daily printing production, the solvent-based ink with the highest usage rate usually contains 50%-60% volatile components, and the total content of volatile components emitted by the solvent-based ink added with diluent when the printed product is dried. It is 70%-80%. It not only makes the skin of long-term contacts dry and rough, but if it penetrates into skin or blood vessels, it will damage human hematopoietic function. Moreover, after the solvent gas is inhaled into the body, it may also cause chronic poisoning.
Green environmental protection is the eternal pursuit of consumers, and it is also a working standard for the health and safety of printing and packaging workers. Based on the many shortcomings of traditional solvent-based inks, we need to try to replace it with other inks, such as Soy Based Offset Ink, to reduce environmental pollution and damage to the human body.
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