With the improvement of the legal system and the revision of relevant standards and the corresponding improvement of corresponding regulatory measures, China's quality and safety supervision of food itself has gradually been in place. A variety of "green food" and "reliable food" have emerged and are favored by consumers. However, the quality and safety of food packaging in close contact with food has gradually emerged.
According to relevant experts, there are many reasons for food safety problems caused by packaging, but there are three main aspects, namely, the packaging materials themselves are unqualified, the use of additives violates the standard requirements, and benzene solvents and heavy metal residues in printing inks . The former two can be gradually solved through market supervision, but the latter is not only a regulatory issue, but technical reasons account for a large proportion. For example, in the packaging and printing process, food packaging safety problems caused by excessive benzene series in the ink and heavy metal residues.
Therefore, vigorously research and development of benzene-free inks and promotion of benzene-free ink printing technology have become an important factor in solving food packaging safety problems.
It is understood that benzene has accumulation, and it is difficult for people to expel once they are inhaled. If they accumulate in the human body for a certain amount, it will cause cancer.
In recent years, due to excessive residues of harmful substances in food packaging and printing inks, incidents of poisoning caused by food poisoning have occurred from time to time, which not only affects the health of consumers, but also affects the healthy development of the entire food packaging industry and even the food industry. To this end, European and American countries have not allowed the use of raw materials containing benzene and heavy metals in food packaging. The Japanese government also stipulated a few years ago that benzene should not be contained in food packaging materials. In China, food packaging has been listed in the quality supervision of the six categories of products, the key supervision, which indicates that food packaging safety has been mentioned as equal to food safety.
The use of benzene-free ink printing is an important factor in ensuring food packaging safety and a new standard for measuring food quality in the future. As early as 10 years ago, Japan Toyo Ink Manufacturing Co., Ltd. began researching benzene-free inks. After continuous improvement, the latest generation of general-purpose GC-FINE series without toluene, butanone, one-liquid type, and high-temperature cooking has been developed. Ink, whether in environmental protection or printing effects, can meet the requirements of domestic food packaging printing. In addition to not using restricted toluene, it is in line with Japan's "NL" regulations and relevant European and American regulations, and because of its high-tech formula and process design, one-liquid universal type, high temperature cooking, etc., it can achieve very Good printing results. It is reported that several leading domestic food packaging and printing companies have used this product, and the use of it is expanding, and it is gradually replacing the common ink containing butyl butanone. Experts believe that benzene-free inks have basically reached a level of non-toxic and harmless. From the perspective of food safety technology, it should be said that it is a development direction.
At present, there are more and more types of green foods on the market, but green foods are not using green packaging. Green packaging should use environmentally friendly packaging materials, printing inks and adhesives. The 21st century is an environmental protection century, building a circular economy society, and taking the road of sustainable development has become the focus and urgent task of global attention.