一种能被快速检测痕量迁移的水性光油
By adding α-amino acids to water-based varnishes to prepare acrylic emulsions and utilizing ninhydrin colorimetric reactions, the cumbersome problem of coating migration detection was solved, enabling rapid and convenient qualitative judgment at the printing plant site and improving detection efficiency.
CN118359974BActive Publication Date: 2026-07-17SHANGHAI GAOBANG PRINTING MATERIALS CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHANGHAI GAOBANG PRINTING MATERIALS CO LTD
- Filing Date
- 2024-05-16
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
In the existing technology, the detection of food contamination caused by coating migration during the coating process of roll substrates for food packaging is cumbersome and it is difficult to quickly make a qualitative judgment on trace migration at the printing plant.
Method used
An α-amino acid was added to an aqueous varnish as a modifying monomer to prepare an acrylate emulsion. Combined with a ninhydrin colorimetric reaction, coating migration was rapidly detected using a colorimetric reagent.
Benefits of technology
It enables rapid and convenient qualitative assessment of trace migration in coatings at the printing plant, improving quality inspection efficiency and meeting the performance and standard requirements of printed coatings.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN118359974B_ABST
Abstract
本发明提供了一种能被快速检测痕量迁移的水性光油，按质量百分比计包括：丙烯酸树脂单体35％～85％，α‑氨基酸1％～10％，链转移剂0.1％～0.5％，引发剂0.1％～1.5％，乳化剂1％～5％，消泡剂0.1％～1％，耐磨剂0.1％～1％，pH调节剂0.01％～1％，去离子水10％～62％。该水性光油的痕量迁移快速检测方法为：将水性光油以卷筒涂布方式印到承印物上，得到印样，存储一段时间后用显色试剂熏蒸印样，观察印样背面是否有显色现象，进而定性判定是否发生痕量迁移。该检测方法以肉眼直观的显色反应替代繁琐的食品接触迁移测试步骤，能够对印刷涂层的痕量级迁移情况快速做定性判断，极大地提高了检测效率。
Need to check novelty before this filing date? Find Prior Art