Manufacturing Industry

PP may help keep paper from clogging up landfills.(polypropylene-infused cardboard may have uses)(Brief Article)

Plastics News, May, 2002 by Bregar, Bill

Someday, the headliner on your car could be made from old cardboard boxes infused with a little polypropylene, then thermoformed, according to a presentation at Antec 2002 in San Francisco. More research is needed - test samples were too dry to draw well under pressure forming - but the technology could be a way to consume landfill-clogging paperboard, said Tom Mase, director of Michigan State University's advanced materials engineering experiment station.

Researchers mixed paperboard with finely powdered PP in a slurry, in a continuous process. The work was done at MSU's Composite Materials and Structures Center in East Lansing, Mich. Paperboard - the stuff used to make cardboard boxes - takes up a huge amount of space in landfills. As a recycling...

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