在聚包装上开发和描述近红外可检测的双色染料图案,用于智能光学标签
Silvio Plehati1, Aleksandra Bernašek Petrinec1, Tomislav Bogović1
1Department of Informatics & Computing, Zagreb University of Applied Sciences, 10000 Zagreb, Croatia.
Polymers
|October 28, 2025
概括
研究人员开发了智能聚材料,隐藏近红外 (NIR) 染料,用于隐藏标签. 这些具有NIR功能的材料可以在智能包装应用中实现低成本的物体识别和跟踪.
科学领域:
- 材料科学 材料科学 材料科学
- 光学工程是指光学工程.
- 聚合物化学 聚合物化学
背景情况:
- 智能材料中的近红外 (NIR) 功能允许隐藏标记和对象识别.
- 聚材料为整合光学特性提供了一个多功能平台.
研究的目的:
- 开发和表征聚包装表面与嵌入双色染料用于NIR光谱标记.
- 评估低成本NIR吸收传感器用于物体识别的可行性.
主要方法:
- 直接到膜 (DTF) 传输方法,将光谱匹配的双色染料打印到聚基板上.
- 尼尔射线吸收光谱 (400-900纳米) 和一个定制的基于光二极管的检测系统用于表征.
- 使用商业NIR摄像头和定制软件进行代码识别的现实世界检测.
主要成果:
- 双色染色图案表现出选择性的NIR吸收,在可见光下看不见.
- 染料对之间的相关吸收对比证实了对光谱标记的适用性.
- 在检测场景中成功无接触识别和空间定位NIR代码.
结论:
- 开发了一种低成本,可扩展的智能包装方法,使用可光学检测的双色染料.
- 证明了可访问的NIR成像系统用于识别光谱标签的有效性.
- 突出了这些智能聚材料在秘密标记和物体识别方面的潜力.
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