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转移卡纸中的溶剂残留已受到人们极大的关注,以水性转移卡纸替代溶剂型转移卡纸对提高食品包装材料的安全性具有重要的现实意义。本文通过对转移卡纸生产中的水性离型剂、水性胶黏剂和水性背涂液等水性材料的研究,替代传统转移卡纸生产中的溶剂型材料,可大幅降低转移卡纸中的溶剂残留量。结果表明,采用研制的水性离型剂可降低转移膜溶剂残留总量达90%;配合使用所研发的水性转移胶和水性背涂液,可以降低转移卡纸中溶剂残留总量56%,不仅可提高转移卡纸的安全性,而且在生产过程中无有机溶剂挥发。
Transfer of solvent residues in paperboard has drawn great attention, with water-based transfer cardboard instead of solvent-based transfer cardboard to improve the safety of food packaging materials has important practical significance. In this paper, through the study of water-based materials such as water-based release agents, water-based adhesives and water-based backsplash in transfer jamming, the solvent-based materials in the traditional transfer jam can be replaced by the solvent- Residues. The results showed that the use of the developed water-based release agent can reduce the total amount of residual solvent transfer film 90%; with the use of the developed water-based transfer adhesive and water-based coating solution can reduce the transfer of 56% of the total amount of solvent residues, not only Can improve the safety of transfer jam, but also in the production process without volatile organic solvents.