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首页> 外文期刊>RSC Advances >A facile synthesis of 1,3,6,8-pyrenesulfonic acid tetrasodium salt as a hydrosoluble fluorescent ink for anti-counterfeiting applications
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A facile synthesis of 1,3,6,8-pyrenesulfonic acid tetrasodium salt as a hydrosoluble fluorescent ink for anti-counterfeiting applications

机译：1,3,6,8-苯磺酸磺酸四钠盐的简便合成，可作防伪用途的水溶性荧光油墨

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In this work, 1,3,6,8-pyrenesulfonic acid sodium salt (PTSA) was successfully synthesized via a one-step sulfonating reaction. This method is more convenient, effective and eco-friendly than the traditional one. The as-prepared PTSA exhibits pure blue fluorescence under UV light. Due to its excellent fluorescent properties and water solubility, PTSA was used to prepare water-soluble invisible inks based on hydroxyethyl cellulose (HEC) aqueous solution. Notably, the resulting inks possessed acceptable stability after being stored for 30 days. Besides, the red/green/blue fluorescent inks were obtained by adding extra pigments, all of which exhibited excellent rheology and thixotropy properties. Subsequently, various patterns, including a QR code, the logo of Wuhan University, Chinese characters and so on, were printed on non-background paper through ink-jet and screen printing, and the as-prepared materials exhibited good water solubility and outstanding fluorescence performances, indicating that the fluorescent PTSA material is a promising candidate for anti-counterfeiting applications.
机译：在这项工作中，通过一步磺化反应成功地合成了1,3,6,8-苯磺酸磺酸钠盐（PTSA）。这种方法比传统方法更方便，有效和环保。所制备的PTSA在紫外光下显示纯蓝色荧光。由于其出色的荧光性能和水溶性，PTSA被用于制备基于羟乙基纤维素（HEC）水溶液的水溶性不可见油墨。值得注意的是，所得油墨在储存30天后具有可接受的稳定性。此外，通过添加额外的颜料获得了红色/绿色/蓝色荧光油墨，所有这些颜料均表现出优异的流变性和触变性。随后，通过喷墨和丝网印刷在非背景纸上印刷了QR码，武汉大学的徽标，汉字等各种图案，所制得的材料表现出良好的水溶性和出色的荧光性。性能，表明荧光PTSA材料是防伪应用的有希望的候选者。

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