Scientists create self-healing polymer that is easily recycled

08.03.2025/20/30 XNUMX:XNUMX    305

Every year, 52 million tons of plastic waste are generated worldwide. This staggering figure highlights the scale of the global plastic pollution crisis. Despite the indispensability of plastics in modern society, their negative impact on the environment is prompting scientists to seek innovative alternatives.

Innovative molecular architecture

A team of scientists led by Dr. Tae Ann Kim from the Korea Institute of Science and Technology has created a polymer with revolutionary properties. The development is based on the unique pentagonal ring structure of the molecule. This architecture enables dynamic covalent exchange reactions under the influence of external factors.

The innovative material can transform between monomers and polymers. Its properties range from the soft elasticity of rubber to the rigidity of glass. This versatility makes the new polymer suitable for a wide range of applications.

“We have developed a polymer material that combines self-healing ability and improved recyclability”, explains Dr. Kim. This material goes beyond the traditional limitations of recyclable plastics.

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Self-healing and damage detection

The newly synthesized polymer has the unique ability to emit fluorescence at sites of damage, allowing for real-time detection of material integrity violations. This property is critically important for applications where material reliability is a priority.

Under the influence of heat and light, the polymer exhibits the ability to self-heal. This feature significantly extends the life cycle of products. Damaged products can be restored without complex intervention or replacement.

The interaction of the polymer with ultraviolet radiation strengthens the molecular bonds. This allows it to fix predetermined shapes. The ability to “remember” the shape opens up new possibilities for smart textiles and robotics.

Revolutionary recyclability

At the end of its service life, the polymer can be selectively depolymerized back into monomers. This property is maintained even when mixed with conventional plastics. This solves one of the most pressing problems in plastic waste management – ​​the separation of mixed waste.




The original polymer can be regenerated without losing its properties, providing a true closed-loop recycling system. The material demonstrates the path to a circular plastic economy, where waste becomes a resource.

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“Innovative material design with autonomous functionality goes beyond the traditional limitations of plastics”, emphasizes Dr. Kim. This approach responds to the growing demand for sustainable materials with a wide range of functionalities.

Surpassing traditional coatings

The new polymer shows impressive results as a protective coating. Its performance significantly exceeds conventional epoxy coatings. The hardness can be three times higher and the modulus of elasticity more than twice that of existing analogues.

These improvements are vital for wear-prone applications. Automotive coatings and infrastructure assets can benefit from significantly longer service lives. Businesses can expect to see reduced maintenance costs.

The dynamic response of the polymer to external stimuli allows its properties to change as needed. The material adapts to different operating conditions. This opens up new possibilities for adaptive and smart materials.

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Prospects for sustainable development

The research was supported by the National Science and Technology Research Council of the Ministry of Science and ICT. The results were published in the prestigious journal Advanced Functional Materials, demonstrating the recognition of the importance of the work by the scientific community.

The new polymer material reduces the economic burden associated with sorting and recycling mixed plastic waste, contributing to a future where sustainability and productivity coexist in harmony. The development demonstrates that environmental responsibility and functionality can mutually reinforce each other.

“This material could rethink industrial practices”, – the researchers note. Coatings that require minimal maintenance and generate virtually no waste are consistent with the principles of sustainable development.

The revolutionary polymer is not only a technological breakthrough, but also a step towards solving the global plastic waste crisis. It demonstrates the potential of innovative materials to transform industry and our interaction with the environment.

Scientists Create Self-Repairing Polymer That's Easily Recycled appeared first on Curiosity.


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