Upcycling leftover cardboard to make a new type of foam packaging

With the holiday season in full swing, gifts of all shapes and sizes are being shipped around the world. But all that packaging generates lots of waste, including cardboard boxes and plastic-based foam cushioning, such as Styrofoam. Rather than discard those boxes, researchers publishing in ACS Sustainable Chemistry & Engineering developed a cushioning foam from cardboard waste. Their upcycled material was stronger and more insulating than traditional, plastic foam-based cushioning.

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