Modern food printing materials use a large number of chemical synthetic substances, which can be divided into two broad categories: known components and unknown components. These substances mainly include: monomers and other synthetic materials of synthetic materials, catalysts, solvents and suspension media, packaging materials additives (including antioxidants, antistatic agents, antifogging agents, plasticizers, heat stabilizers, nucleating agents) As well as dyes and pigments, this article will introduce you to the auxiliary materials for printing materials.
The existing printing materials can be replaced by polylactic acid resin. Because of its good performance, it can be widely accepted by the market. It is defined by the industry as the most promising new printing material in the new century. It has become a competition among governments, scientific research institutions and enterprises. Research and development of green printing materials, its application prospects are very attractive.
New types of printing materials are emerging, especially in the printing of food, beverages, industrial products and daily necessities, especially in plastic packaging materials and containers, but as one of the oldest printing materials. Classes still retain the primacy of various printed materials. According to statistics, the proportion and output value of paper and paperboard in the world are higher than plastic, metal and glass.
The impact of plastic packaging printing materials on food safety mainly includes the resin itself, additives, etc., mainly manifested by the migration and dissolution of toxic and harmful chemical pollutants remaining inside the material, resulting in food contamination. The ink printed on plastic food packaging bags is due to benzene. Some toxic substances are not volatile and have a greater impact on food safety.
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