文章摘要
武军,沈荣波,陈俊忠,刘时波,杨伟栋,沈海生,魏华.基于水性油墨的双重防伪二维码的设计与实现[J].包装工程,2022,43(9):257-263.
WU Jun,SHEN Rong-bo,CHEN Jun-zhong,LIU Shi-bo,YANG Wei-dong,SHEN Hai-sheng,WEI Hua.Design and Implementation of Dual Anti-counterfeiting QR Code Based on Water-based Inks[J].Packaging Engineering,2022,43(9):257-263.
基于水性油墨的双重防伪二维码的设计与实现
Design and Implementation of Dual Anti-counterfeiting QR Code Based on Water-based Inks
投稿时间:2021-10-11  
DOI:10.19554/j.cnki.1001-3563.2022.09.034
中文关键词: 防伪  二维码  发泡剂  水性油墨
英文关键词: anti-counterfeit  QR code  blowing agent  water-based ink
基金项目:东莞市科技特派员项目(20201800500122)
作者单位
武军 永发印务东莞有限公司广东 东莞 523821
北京印刷学院北京 102600 
沈荣波 永发印务东莞有限公司广东 东莞 523821 
陈俊忠 永发印务东莞有限公司广东 东莞 523821 
刘时波 永发印务东莞有限公司广东 东莞 523821 
杨伟栋 永发印务东莞有限公司广东 东莞 523821 
沈海生 永发印务东莞有限公司广东 东莞 523821 
魏华 东莞职业技术学院广东 东莞 523808 
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中文摘要:
      目的 研制温变油墨和立体防伪变色油墨2种绿色环保的水性油墨,开发一种具有双重防伪功能的二维码,加强二维码的防伪功能。方法 研究不同感温变色粉用量对温变油墨色差和色度的影响。采用单因素试验考察发泡温度、发泡剂含量、PU树脂含量对立体防伪变色油墨发泡高度和耐摩擦性的影响。结果 感温变色粉的质量分数为20%时,温变油墨的颜色最接近二维码标准黑色。发泡剂质量分数为20%,发泡温度为120 ℃时,立体防伪变色油墨的发泡高度达到最佳值。承印物为白卡纸,PU树脂质量分数为3%时,立体防伪变色油墨的耐摩擦性最佳。承印物为金卡纸,PU树脂的质量分数为15%时,立体防伪变色油墨的耐摩擦性最佳。双层防伪二维码的上层图案(黑色二维码)在常温下可见,加热至70 ℃时消失,同时隐藏在下层的防伪标识显现出来,继续加热防伪标识逐渐呈现立体感,且在120 ℃时立体感达到最佳,整个过程颜色可逆,但立体感不可逆。结论 双重防伪二维码通过上层和下层图案在不同温度下交替显示和隐藏进行防伪,方便大众进行验证和确认,在不失趣味性的同时强化了防伪功能。
英文摘要:
      This paper aims to prepare two kinds of green water-based ink, temperature changing ink and three-dimensional anti-counterfeiting color changing ink, develop a kind of two-dimensional code with double anti-counterfeiting function, and strengthen the anti-counterfeiting function of two-dimensional code. The effect of different thermochromic powder dosage on the color difference and chromaticity of thermochromic ink was studied. A single factor test was used to investigate the effects of foaming temperature, foaming agent content, and PU resin content on the foaming height and friction resistance of the three-dimensional anti-counterfeiting color-changing ink. The results showed that when the mass fraction of thermochromic powder was 20%, the color of the thermochromic ink was closest to the two-dimensional code standard black. When the foaming agent mass fraction was 20% and the foaming temperature was 120 ℃, the foaming height of the three-dimensional anti-counterfeiting color-changing ink reached the best value. When the substrate for white cardboard, with PU resin quality fraction of 3%, three-dimensional anti-counterfeiting color change ink friction resistance was the best. When the substrate for gold card paper, with PU resin mass fraction of 15%, three-dimensional anti-counterfeiting color change ink friction resistance was the best. The upper pattern of the double-layer anti-counterfeiting QR code (the black QR code) was visible at room temperature and disappears when heated to 70 ℃. At the same time, the anti-counterfeiting mark hidden in the lower layer appeared. Continued to heat the anti-counterfeiting mark, a three-dimensional effect gradually revealed, and the three-dimensional effect reached the best at 120 ℃. The color in the whole process was reversible and the three-dimensional effect was irreversible. The double anti-counterfeiting QR code is anti-counterfeited by alternately displaying and hiding the upper and lower patterns at different temperatures, which is convenient for the public to verify and confirm, and strengthens the anti-counterfeiting function without losing interest.
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