Green praised the sustainable development of environmental concerns ink – ink, g
November 22, 2009, the Third National Conference of ink manufacturers Jiang Hotel Hangzhou held as scheduled, at the national ink manufacturers Wu Jianhua General Green Alliance has done a passionate speech, he had a question at the meeting as " Food Security calls for green ink, "the theme of the report, another reminder of concern for the healthy development of ink, green concerns Environmental protection .
Not just ink, all products must be environmentally friendly, to be healthy, "green" as people call to become a mainstream idea. "Sudan, fake milk powder" and others have repeatedly warned that there is pollution, toxic substances will being cast aside ……
Ink, life, something new to attract the initial attention
2004, the Zhejiang Hangzhou, Qian, 32, questioned the existence of McDonald's food packaging safety problems, with Zhejiang McDonald's to court, ask for compensation for mental damages, 1 each. The incident has sparked safety of food packaging inks first concern. Packaging is the last one of modern food production processes, to protect food safety plays an irreplaceable role.
As the food of the "personal clothing", food packaging materials, auxiliary materials and production processes are closely linked with food safety, food contact materials and Print Ink security is an important part of food safety. The use of food packaging ink security issues are not resolved, it will become a major threat to food safety risks of the major accidents that may occur at any time. Potential threat to traditional ink
Ink printing colorants by pigments, binders, Solvent And additives such as dispersed colloidal slurry mixture. As the limitations of technology and material itself, the various components of the traditional ink exist in insecurity, which went paints and solvents insecurity in most of the limited space, this article will focus on paint and solvents, additives of harmful material.
A pigment of harmful substances Ink paints which contain heavy metals, including lead, mercury, cadmium, arsenic, chromium, etc., there are still many companies using chrome yellow, chrome and other materials to manufacture red ink.
Heavy metals may cause irreparable harm to human body, common are: mercury, ingestion, directly after sinking the liver, brain, nerve, vision devastating. Natural water containing 0.01 mg of mercury per liter of water will cause people were poisoned. Cd, resulting in high blood pressure, cause heart and cerebrovascular diseases; bone, liver and kidney damage, and can cause renal failure. Lead is a toxic heavy metal pollution in a large, once entered the body will be difficult to exclude; can directly damage human brain cells, causing dementia and other elderly people, especially the nervous system can damage the fetus, can cause congenital mental retardation; There will also be carcinogenic, mutagenic. Arsenic, arsenic is one of the components, are highly toxic, will cause rapid death of people; long-term low exposure, can lead to chronic poisoning; another can cause cancer. Any one of these heavy metals can cause people's headache, dizziness, insomnia, forgetfulness, mental disorders, joint pain, stones, cancer, particularly digestive and urinary systems of cells, organs and skin, bone, nerve damage very serious.
Ink is the most harmful heavy metal chromium. Chromium is a silver-white hard metal, a divalent, trivalent, and hexavalent compounds. All chromium compounds are toxic, including the most toxic hexavalent chromium. Hexavalent chromium to ingestion of toxic / very toxic inhalation, skin contact may cause irritation, are more likely to cause hereditary genetic defect, inhalation may cause cancer, have a lasting danger to the environment. Hexavalent chromium is easily absorbed into the body, it can be digested, respiratory tract, skin and mucous membranes into the human body. Penetrated by the digestive tract may cause vomiting, Fu Teng; penetrated through the skin will produce dermatitis and eczema. Long-term exposure with cancer risk.
2009 Chinese silk screen printing industry, especially hot in ten selected application … …
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