基于MXene沉淀物的无添加剂丝网印刷导电油墨及其智能包装应用

黄壮鹏; 白彧; 吴德成; 杨杰; 张爱斌; 张斯乔; 蓝丽华; 乔萍; 陈正宇

doi:10.19554/j.cnki.1001-3563.2025.23.016

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包装工程（技术栏目） ›› 2025, Vol. 46 ›› Issue (23) : 152-158. DOI: 10.19554/j.cnki.1001-3563.2025.23.016

先进材料

基于MXene沉淀物的无添加剂丝网印刷导电油墨及其智能包装应用

黄壮鹏¹, 白彧¹, 吴德成¹, 杨杰¹, 张爱斌², 张斯乔³, 蓝丽华², 乔萍², 陈正宇^2,4,*

作者信息 +

Additive-free Screen-printed Conductive Ink Based on MXene Precipitates and Its Application in Smart Packaging

HUANG Zhuangpeng¹, BAI Yu¹, WU Decheng¹, YANG Jie¹, ZHANG Aibin², ZHANG Siqiao³, LAN Lihua², QIAO Ping², CHEN Zhengyu^2,4,*

Author information +

文章历史 +

摘要

目的提出一种利用MXene制备过程中沉淀部分构建无添加剂水性丝网印刷导电油墨的策略,以提升MXene材料利用率并验证其在智能包装中的柔性电路应用可行性。方法采用HCl/LiF原位刻蚀制备Ti₃C₂Tₓ MXene,并直接将分离得到的沉淀经振荡、离心作为油墨主体;系统表征其流变行为、成膜质量及导电性能,并在PET等基材上完成丝网印刷;进一步构建无源NFC柔性识别标签,评估其读写表现与使用稳定性。结果所得油墨低剪切表观黏度≈4 800 mPa·s,呈明显剪切稀化,满足丝印节拍需求;在PC、PET与A4纸上形成边缘清晰、致密连续图案,最低方阻为6.5 Ω/□;构建的无源NFC线圈单次印刷电阻约为28.6 Ω,手机识别距离约为12 mm,响应延时<30 ms,可稳定读写;AFM测得片层厚度约为1.5 nm,XRD(002)峰低角移动,佐证层间距增加与MXene结构形成。结论 MXene沉淀物可直接作为无添加剂水性丝印油墨的功能主体,兼具良好流变性与导电性,可在多类包装基材上获得低方阻图案并稳定驱动无源NFC工作,证明该思路在智能包装身份识别与交互领域的可行性,为MXene副产物资源化与绿色印刷电子提供可扩展的新路径。

Abstract

The work aims to propose a strategy of constructing additive-free aqueous screen-printed conductive ink with the sediment from the MXene preparation process, so as to enhance the utilization rate of MXene materials and verify its feasibility for flexible circuit applications in smart packaging. Ti₃C₂T_x MXene was prepared by in-situ etching with HCl/LiF, followed by directly taking the separated sediment after oscillation and centrifugation as the main component of the ink. The resulting ink was systematically characterized for its rheological behavior, film-forming quality, and electrical conductivity and was then screen-printed onto substrates such as PET to fabricate a passive NFC flexible label, the reading/writing performance and operational stability of which were evaluated. The ink exhibited a low-shear apparent viscosity of approximately 4 800 mPa·s and distinct shear-thinning behavior, meeting the requirements for the screen-printing process. It formed sharp-edged, dense, and continuous patterns on PC, PET, and A4 paper, achieving a minimum sheet resistance of 6.5 Ω/□. A passive NFC coil fabricated with this ink demonstrated a single-print resistance of about 28.6 Ω, a smartphone reading distance of approximately 12 mm, a response delay of less than 30 ms, and stable read/write functionality. AFM measurements revealed a flake thickness of about 1.5 nm, while the low-angle shift of the XRD(002) peak confirmed an increased interlayer spacing and the successful formation of the MXene structure. The MXene sediment can be directly used as the functional component in additive-free aqueous screen-printed inks, possessing desirable rheology and high conductivity. This approach enables the creation of low-sheet-resistance patterns on various packaging substrates, capable of reliably powering passive NFC devices. This success demonstrates the feasibility of the proposed strategy for applications in smart packaging identification and interaction, offering a scalable new pathway for the valorization of MXene by-products and the advancement of green printed electronics.

导出引用

黄壮鹏, 白彧, 吴德成, 杨杰, 张爱斌, 张斯乔, 蓝丽华, 乔萍, 陈正宇. 基于MXene沉淀物的无添加剂丝网印刷导电油墨及其智能包装应用[J]. 包装工程. 2025, 46(23): 152-158 https://doi.org/10.19554/j.cnki.1001-3563.2025.23.016

HUANG Zhuangpeng, BAI Yu, WU Decheng, YANG Jie, ZHANG Aibin, ZHANG Siqiao, LAN Lihua, QIAO Ping, CHEN Zhengyu. Additive-free Screen-printed Conductive Ink Based on MXene Precipitates and Its Application in Smart Packaging[J]. Packaging Engineering. 2025, 46(23): 152-158 https://doi.org/10.19554/j.cnki.1001-3563.2025.23.016

中图分类号： TB383

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