A new manufacturing process uses lasers to seal paper packaging instead of glue

A elemental insubstantial envelope made without further glue oregon integrative to seal 3 of its sides. | Image: Fraunhofer IVV

Although insubstantial is simply a much environmentally affable packaging worldly than plastic, it's often contaminated with additives, specified arsenic adhesives utilized to make a unafraid seal. That complicates the recycling process and reduces the prime of recycled paper. Now, German researchers astatine 4 Fraunhofer institutes person developed an alternate process that tin seal insubstantial packaging without glue oregon integrative utilizing a c monoxide laser.

The caller system, presently called the Papure project, leverages the expertise of the Fraunhofer institutes, each of which focuses connected areas specified arsenic polymer research, engineering and packaging, and laser beam technologies …

Read the afloat communicative astatine The Verge.