Course of converts polyethylene baggage, plastics to polymer constructing blocks

Polyethylene plastics — single-use baggage and general-purpose bottles — are indestructable eternally plastics. That additionally makes them arduous to recycle. Chemists have discovered a approach to break down the polymer — a series of a couple of thousand ethylene molecules — into three-carbon molecules, propylene, that are in excessive demand for making one other plastic, polypropylene. The method may flip waste plastic into high-value feedstocks and scale back the necessity for fossil fuels to make propylene.