Chromogenic Polymers and Their Packaging Applications: A Review

Abstract

This review paper provides an overview of chromogenic polymers and their classifications, mechanisms, chemistry, synthesis procedures, and potential applications with a focus on packaging. Commonly and academically accepted classifications derived from chemical engineering, material science, and packaging science are used. Furthermore, recent progress and outputs aligned with chromogenic polymers for overcoming the common challenges are discussed. Finally, future prospects, market trends and academic investigations are described, including challenges related to chromogenic polymers.

Keywords:

• Chromogenic polymers
• packaging
• indicator
• chromism

Note

Notes

1 It has been established that Americans are currently dumping approximately 40% of food (equals to $165 billion dollars) in landfills. However, not all of this waste is food discarded after consumption because a huge amount of uneaten food gets spoiled before consumption. Therefore, the smart system can inform the consumers regarding the quality of food items, which may further reduce wastage of fresh food.

Additional information

Funding

This study was supported by the National Research Foundation of Korea (NRF) and a grant funded by the Korea government (MSIP) (grant no. 2017R1A2B4011234).