Search Results - john+dorgan

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Process for Transforming Waste Polyethylene to Dicarboxylic acids

Executive Summary Polyethylene is a leading plastic used in a myriad of applications. One consequence of the abundant use of the plastic is the problem of waste which accumulates in landfills. Mechanical recycling waste polyethylene is possible for certain grades and limited applications, and pyrolysis to produce fuels possible but often uneconomical....
Published: 2/2/2026   |   Inventor(s): Scott Calabrese Barton, Brandon Howard, John Dorgan
Keywords(s):   Category(s): Environmental, Recycling

Tunable Degradation of Fibers

­ Executive Summary Degradation of polymeric materials is an important process in recycling, composting and rendering them innocuous to the environment. Controlling the rate by which the materials degrade remains challenging and impacted by the nature of the materials and their use in applications where combinations of materials exist to fulfil...
Published: 10/9/2025   |   Inventor(s): John Dorgan, Bin Tan
Keywords(s):   Category(s): Advanced Materials, Environment, Packaging

Polylactide Lignin Blends

Executive Summary Increasingly, bio-sourced and biodegradable materials are being sought to replace petroleum or gas based polymers. Polylactic acid (PLA) is a well known biodegradable polymer that is used in a range of applications from biomedical devices to packaging materials. However, PLA by itself suffers from some deficiencies in mechanical properties....
Published: 4/22/2025   |   Inventor(s): John Dorgan, Michael Eyser, Clayton Perbix
Keywords(s):   Category(s): Advanced Materials, Packaging