Polypropylene and polyethylene are two durable and affordable plastics commonly used as packaging materials, snack wrappers, ...

A new chemical process can essentially vaporize plastics that dominate the waste stream today and turn them into hydrocarbon building blocks for new plastics. The catalytic process, developed at the ...

As one of the most commonly used plastics in the world, polypropylene presents a global environmental problem because of issues related to its recycling. Researchers have developed a new way of ...

Chemists have developed a catalytic process that turns the largest component of today's plastic waste stream, polyolefin plastic bags and bottles, into gases -- propylene and isobutylene -- that are ...