Search Results - polyethylene

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Selective recovery of polypropylene (and polyethylene) from mixed plastic wastes
Project ID: D2021-43 Background Polypropylene (PP) is a thermoplastic polymer used in packaging materials, consumer goods, automotive components, and medical devices. It is difficult to recover PP from mixed plastic waste streams; PP has a similar density to polyethylene (PE) and cannot be selectively separated from PE via the sink-float methods...
Published: 6/18/2024   |   Inventor(s): Parikshit Sarda, Balakrishna Maddi, Joseph Lawrence, Sridhar Viamajala
Keywords(s): Polyethylene, Polypropylene, Recycling, Sustainability
Category(s): Manufacturing, Polymers, Biomass Conversion & Recycling
Polymer for Heat-Tolerant Fuel Cell Membranes
Sulfonated Polyethylene Maintains Efficiency in Temperatures above 176 degrees FahrenheitThis polymer, polyethylene substituted with regularly spaced sulfonic acid groups, is a promising material for use in the fuel cells that power cars, phones, laptops, and spacecraft. Fuel cells are electrochemical energy conversion devices that transform chemical...
Published: 6/27/2021   |   Inventor(s): Kenneth Wagener, Taylor Gaines, Michael Bell
Keywords(s): Fuel Cell, Membrane, polyethylene, polysulfone
Category(s): Technology Classifications > Engineering > Chemical, Technology Classifications > Engineering > Materials