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New Laser Sealing Method Revolutionizes Eco-Friendly Packaging

3/31/2026

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Summary

Story summary

Researchers at four Fraunhofer institutes developed a method to seal packaging without glue or plastic using a carbon monoxide laser.
The Papure project aims to improve recycling by reducing adhesives that contaminate paper.
The sealing process analyzes paper types to form a natural adhesive with a carbon monoxide laser.
By September, the prototype will produce 10 packages per minute, supported by a 2 cm seal that can bear 44 pounds.

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Story summary

Researchers at four Fraunhofer institutes developed a method to seal packaging without glue or plastic using a carbon monoxide laser.
The Papure project aims to improve recycling by reducing adhesives that contaminate paper.
The sealing process analyzes paper types to form a natural adhesive with a carbon monoxide laser.
By September, the prototype will produce 10 packages per minute, supported by a 2 cm seal that can bear 44 pounds.