Polymer producer Covestro has announced that hot-melt adhesives based on its Desmomelt U thermoplastic raw material powder can now be applied automatically and in precise doses using digital printing.

It said the development would help footwear manufacturers increase automation in their factories. “Polyurethane dispersions have proved their worth in adhesives for manual shoe production,” Covestro said, “but attempts to automate manual applications with robot-assisted processes have not been successful to date.”

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