China’s kids printing book market is becoming more and more prosperous as parents pay more and more attention to reading and more and more parents pay more attention to reading. Every time an online store is promoted, the sales data of children’s books is always quite amazing. At the same time, parents’ requirements for the printing of children’s books are also increasing simultaneously with their requirements for content, especially the safety and environmental protection of the printing of children’s books. Many publishing organizations have begun to mark child paper books such as “green printed publications” and “printed with soy ink”.
How much do you know about the environmental protection standards of professional children’s book printing? This article is the relevant knowledge introduced by SmartFortune on this issue. The terminology may be professional, but the environmental protection problem of children’s books is a daily problem that every parent who cares for children must face. I hope this can further arouse everyone Value
The environmental protection problem of children’s books is a daily problem that every parent who cares for children must face
Many parents now pay much attention to the cultivation of children’s reading habits, so they will prepare a variety of printed materials such as cards, picture books, and books for their children. However, if you do not pay attention to or care about the quality of the printed products when choosing these printed products for your children, it may cause some printed products to have varying degrees of negative impact on the children’s health.
So what kind of printed matter will bring negative effects? Let’s talk about environmental protection. The environmental protection of printed matter and the quality of printed matter should not be confused. The quality of printed matter refers to clear writing and lines, and accurate color reproduction. The environmental protection of printed matter means that readers do not bring health hazards to readers when reading through printed matter.
The special mention of children’s books is because children are more likely to ingest harmful substances in printed materials when they are reading. First, because children, especially young, may have the habit of tearing and biting books when reading; second, many children’s reading products have a large number of color pictures, and the amount of ink used is more than ordinary text. The Lord has many books. Therefore, children’s books should have a higher standard of environmental protection than ordinary books.
In this regard, we can analyze the main materials for children to read printed matter: paper, ink, glue, and film.
The ink may contain benzene, especially color inks. Solvents such as benzene are used. After the new book is printed, the solvent is not completely volatilized, and the reader will emit an unpleasant smell after opening the package. Benzene and toluene are liquids with a strong odor and are extremely toxic. They not only damage the respiratory tract, but also cause acute poisoning and central nervous system paralysis. Short-term inhalation can make people dizzy and nauseous. Long-term exposure may damage the bone marrow and cause leukopenia and thrombocytopenia. And aplastic anemia and so on.
Another source of pungent smell is the glue used for binding. Most of the glue for binding books uses a quick-drying agent. This volatile chemical substance generally disappears after 10 to 20 days. However, the book is sealed in a packaging bag and the smell cannot be dissipated, so the reader will still have a peculiar smell after getting it in the hand In addition, some low-quality paper and adhesives contain a large amount of formaldehyde, which emits a strong odor. Long-term exposure to such chemicals is very harmful to health and seriously affects the physical development of children.
Furthermore, because children’s book habits are different from those of adults, the heavy metals that may be contained in poor-quality ink and paper, such as lead, will enter the human body through the child’s hand and mouth, and affect the child’s body. Here, parents should be reminded that in order to reduce the cost of pirated books, inferior paper, ink and glue are often used. A solid matter test report shows that some pirated books contain 100 times more lead than the original books of the same kind. , When buying books for children, pay special attention to identifying pirated books.
For genuine books, environmental protection standards must also be adopted to limit the content of harmful components in printed materials.
On September 14, 2010, the former General Administration of Press and Publication and the Ministry of Environmental Protection signed the “Implementation of Green Printing Strategic Cooperation Agreement”, focusing on strict control of heavy metal residues and volatile organic pollution in three aspects: paper, ink and hot melt adhesive .
On October 8, 2011, the General Administration of Press and Publication and the Ministry of Environmental Protection jointly issued the “Announcement on the Implementation of Green Printing” which clarified the guiding ideology, scope and objectives, organization and management, green printing standards, green printing certification, and work arrangements for the implementation of green printing. And supporting safeguard measures, etc., made a comprehensive deployment to promote the implementation of green printing.
On April 6, 2012, the General Administration of Press and Publication issued the “Notice on the Implementation of Green Printing of Textbooks in Primary and Secondary Schools”, which stated that primary and secondary school textbooks must be printed by printing companies that have obtained green printing environmental label product certification. The work goal is that from the fall semester of 2012, the number of green printed primary and secondary school textbooks used in various places should account for 30% of the total use of local primary and secondary school textbooks; in 2014, the Printing Management Department of the State Administration of News, Radio, Film and Television announced that the national primary and secondary school textbooks will be basically realized Full coverage of green printing.
“Environmental labeling product technical requirements for offset printing inks” is applicable to offset printing inks other than radiation curing inks. It refers to the environmental labeling standards of Japan, Australia, South Korea, New Zealand and other countries, and comprehensively considers the technical status and products of my country’s offset printing ink manufacturers. Based on environmental characteristics. The control requirements for benzene solvents, heavy metals, volatile compounds, aromatic hydrocarbon compounds, and vegetable oils in offset printing inks are put forward. At the same time, regulations are made for the safe use of products, for effective use and saving of resources, and reducing the production and use of offset printing inks. And the impact on the environment and human health in the process of disposal, improve environmental quality, and promote the production and use of low-toxic, low-volatility products.
And to see whether the ink is an environmentally friendly ink, and whether it will have a negative impact on the author, we mainly consider the following two points: First, heavy metals. Due to children’s book habits, heavy metals in the ink may be inhaled from the mouth. The second is volatile matter. Among the solvents and additives used in the ink, there are aromatic hydrocarbons, alcohols, esters, ethers, ketones, etc. They will evaporate as the ink dries and enter the reader’s respiratory system.
So what are the main types of environmentally friendly inks?
1. Rice bran ink
The rice bran ink technology originated from Japan. At present, many institutions and companies in China are conducting research on it. The main reason is that both China and Japan are large rice edible and production countries. The rice bran produced during the rice-growing process has been used only as animal feed. It has not exerted its maximum value, and the development of rice bran oil extraction technology and the technological breakthrough of rice bran oil in ink have not only maximized the value of rice bran, but also further improved the environmental protection and sustainable development of printing inks.
The main advantages of rice bran ink are: ink VOC (Volatile Organic Compounds, volatile organic compounds) residues, low migration, low environmental pollution; rice bran resources are easy to localize, in line with my country’s national conditions; rice bran ink has high gloss, in print There are few harmful residues and high safety.
2. Soy oil based ink
The aromatic hydrocarbons of mineral oil in the ink are reduced or disappeared, and the influence of VOC is still unavoidable. Therefore, soybean oil-based inks in which part of the mineral oil is replaced by soybean oil appear. After the soybean oil is slightly purified, it is mixed with additives such as pigments and resins. Soy ink also has many advantages: scratch resistance, no irritating odor, light and heat resistance, easier to recycle, wide color, etc. In addition to soybean oil, other vegetable oils can also be used, such as linseed oil.
3. Water-based ink
Water-based ink does not contain volatile organic solvents, and only needs to be diluted with water in printing. Therefore, the water-based ink greatly reduces the emission of VOCs and avoids the pollution of volatile organic compounds. At the same time, it significantly reduces the hazardous substances remaining on the surface of the printed product, and is one of the ink types that most meet the green environmental protection standards. In addition, the application of water-based inks can also reduce fire hazards caused by static electricity and flammable solvents, and reduce the residual solvent odor on the surface of printed materials. Therefore, the application of water-based inks in food packaging, children’s toy packaging, tobacco and alcohol packaging is becoming more and more common .
Finally, let’s talk about the laminating process. Laminating is a finishing process for the surface decoration of printed products, and is widely used in printing and packaging industries. However, many coating processes are still using coating technology, which brings great harm to our environment and body. A large number of solvents containing benzene are used in the coating process, and benzene is a strong carcinogen. Therefore, in our lives, there are a large number of printing and packaging products that are coated by instant coating technology, such as the coated covers of textbooks and other books, which are very harmful, especially to children. According to a research report from the National Cancer Society of America, children who are exposed to products containing benzene for a long time are most likely to suffer from blood diseases such as leukemia. Therefore, children’s books should not use the filming process as much as possible.
SmartFortune is very good at books producing, the company is positioned in high-quality printing, recent years excepting packaging box and paper bag, focusing on the development and manufacturing of children’s educational books, cardboard books, it has adhered to its own high standards to meet and exceed customer requirements.
Post time: Dec-09-2020