Under the prerequisite of energy conservation and environmental protection, paper cups such as the Double wall paper cup , as products of this era, have also attracted more and more attention.
To achieve the water barrier effect during the production of... moreUnder the prerequisite of energy conservation and environmental protection, paper cups such as the Double wall paper cup , as products of this era, have also attracted more and more attention.
To achieve the water barrier effect during the production of paper cups, a layer of polyethylene water barrier film is applied to the inner wall. Polyethylene is the safest chemical substance in food processing. It is difficult to dissolve in water and is non-toxic and tasteless. However, if the selected material is not good or the processing technology is not good enough, the polyethylene may be oxidized to carbonyl compounds during the process of hot melting or applying it to the paper cup. Carbonyl compounds are not easy to volatilize at room temperature, but when hot water is poured into a paper cup, they may volatilize, so people will smell a strange smell. Although there is no research to confirm what kind of harm the carbonyl compounds released from paper cups will bring to the human body and what... less
