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Dye Clicked Thermoplastic Polyurethane as a Generic Platform toward Chromic-Polymer Applications
Eunbyeol Seo1, Jihyun Choi1, Bumjae Lee1
1Department of Chemical Engineering and Applied Chemistry, College of Engineering, Chungnam National University, 99 Daehak-ro (st), Yuseong-gu, Daejeon, 305-764, South Korea.
Scientific Reports
|December 11, 2019
Summary
This study introduces novel chromic dye-polymer materials for advanced sensors. These materials overcome limitations of traditional dyes, offering enhanced stability and customizability for applications like smart fabrics.
Area of Science:
- Materials Science
- Polymer Chemistry
- Sensor Technology
Background:
- Chromic dyes are valuable for colorimetric sensors but face challenges in cost, stability, and reliability.
- Existing applications are limited by the inherent properties of conventional chromic dyes.
Purpose of the Study:
- To develop highly functionalizable polymeric materials covalently modified with chromic dyes.
- To overcome the limitations of generic chromic dye applications by enhancing stability and reliability.
Main Methods:
- Utilized photochromic organic dye (spiropyran) and thermoplastic polyurethanes (TPU) as model components.
- Employed conventional polymeric solution processes including film processing, wet-spinning, electrospinning, and ink-writing.
- Ensured precise control over dye concentration on the TPU support.
Main Results:
- Developed a dye-TPU material that maintains solubility in various organic solvents.
- Demonstrated the applicability of conventional processing techniques to the new material.
- Achieved precise and controllable dye concentrations on the polymer support.
Conclusions:
- The developed dye-TPU materials offer a stable and reliable platform for chromic dye applications.
- The material's processability and tunable dye concentration enable diverse applications.
- Potential applications include secret coding, smart fabrics, and advanced chromic polymeric films.
