Polyethylene plastics — in particular, the ubiquitous plastic bag that blights the landscape — are notoriously hard to recycle. They’re sturdy and difficult to break down, and if they’re recycled at ...

Polymers are defined as materials consisting of macromolecules that are made up of small, regularly repeating smaller subunits. The coextrusion process is a manufacturing process that uses different ...

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Extrusion is a continuous processing technique in which polymeric materials are conveyed, melted and homogenised as they are forced through a die to form strands, sheets or complex profiles. Key to ...

A new study led by Colorado State University Distinguished Professor Eugene Chen outlines a path to creating advanced, recyclable plastics. Published in Nature, the study describes a breakthrough ...

Freshwater scarcity has pushed membrane technology to the center of modern water treatment, and one of the field’s stubbornest problems is a fundamental trade-off: membranes that let water pass q ...

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In a win for chemistry, inventors have designed a closed-loop path for synthesizing an exceptionally tough carbon-fiber-reinforced polymer and later recovering all of its starting materials. In a win ...

Polyethylene plastics -- single-use bags and general-purpose bottles -- are indestructable forever plastics. That also makes them hard to recycle. Chemists have found a way to break down the polymer - ...