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Advanced Compositional Analysis of Nanoparticle-polymer Composites Using Direct Fluorescence Imaging

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Multi-Responsive Polymer Nanoparticles: A Versatile Platform for Double-Security Anticounterfeiting and Smart Food

Hossein Alidaei-Sharif¹, Milad Babazadeh-Mamaqani¹, Moein Mohammadi-Jorjafki¹

¹Faculty of Polymer Engineering, Sahand University of Technology, Tabriz, P.O. Box 51335-1996, Iran.

Macromolecular Rapid Communications

|October 26, 2024

Summary

Colloidal polymer nanoparticles were used to create smart inks with dual-responsive properties. These smart inks offer novel applications in anticounterfeiting and food spoilage detection.

Keywords:

colloidal polymer nanoparticles double encryptions food spoilage indication labels nanofibrous acid indicators photoluminescences scratch detectors and indicators thermochromisms

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Area of Science:

Materials Science
Polymer Chemistry
Nanotechnology

Background:

Colloidal polymer nanoparticles offer versatile platforms for developing advanced functional materials.
Smart inks require responsive components that can detect and signal environmental changes.
Current applications in anticounterfeiting and food monitoring can be enhanced with novel sensing technologies.

Purpose of the Study:

To investigate the use of colloidal polymer nanoparticles in creating smart inks.
To develop dual-responsive materials for anticounterfeiting and food spoilage detection.
To explore the integration of photoluminescent and thermochromic properties in smart ink formulations.

Main Methods:

Polymerization of methyl methacrylate and butyl acrylate to control nanoparticle properties.
Incorporation of oxazolidine molecules for photoluminescence and crystal violet lactone dye (CVL) for thermochromism.
Preparation of core-shell latex particles and nanofibrous indicators.

Main Results:

Successfully synthesized polymer nanoparticles with tunable flexibility and polarity.
Developed nanofibrous indicators sensitive to acid-base vapors.
Created dual-responsive inks combining photoluminescent and thermochromic functionalities.
Demonstrated application in anticounterfeiting and food spoilage detection labels.

Conclusions:

Colloidal polymer nanoparticles are effective in preparing smart inks with dual-responsive capabilities.
The developed smart inks provide a novel approach for dynamic packaging and security features.
This technology transforms conventional packaging into interactive sentinels for product monitoring.