Search Results - polymer+recycling+and+reprocessing

9 Results Sort By:
Efficient Polyester Hydrogenolytic Deconstruction via Tandem Catalysis
NU 2021-150 INVENTORS Tobin Marks* Yosi Kratish SHORT DESCRIPTION A solvent-free tandem catalytic process to selectively depolymerize common polyester plastics into their monomeric components, using air and moisture-stable catalysts. BACKGROUND A mechanism-based tandem catalytic approach enables the selective depolymerization of commodity...
Published: 8/5/2025   |   Inventor(s):  
Keywords(s): Catalyst, Cleantech, Materials, Polymer, Polymer Recycling and Reprocessing, Sustainability
Category(s): Physical Sciences > Materials and Industrial Processes
Method and Apparatus for Microfiber Capture
NU 2024-046 INVENTORS Kyoo-Chul Park* Chloe Ho Leyun Feng SHORT DESCRIPTION An innovative microfiber capture device featuring a cage-like structure with multiple branches that efficiently collects microfibers from water. BACKGROUND Microfibers, a prevalent form of microplastic, challenge existing water treatment methods due to labor-intensive...
Published: 8/5/2025   |   Inventor(s):  
Keywords(s): 3D Printing/Additive Manufacturing, Cleantech, Manufacturing/Processing, Polymer, Polymer Recycling and Reprocessing
Category(s): Physical Sciences > Energy & Sustainability
Customized Filtration System for the Collection and Removal of Microplastics
NU 2019-203 INVENTORS Kyoo-Chul Park* Allison O'Donnell Christian Machado Youhua Jiang SHORT DESCRIPTION A cylindrical filtration system employing flexible, liquid-precoated wires to capture and remove emulsified microplastics and other solid particles from carrier liquids. BACKGROUND Effective separation of small solid particles, such...
Published: 8/5/2025   |   Inventor(s):  
Keywords(s): Cleantech, Polymer, Polymer Recycling and Reprocessing
Category(s): Physical Sciences > Energy & Sustainability
Dissolvable Coating for Blended Fibers Textile Recycling
NU 2025-066 INVENTORS Cecile Chazot* Eleanor Grosvenor Malachi Cohen Gabrielle Wood SHORT DESCRIPTION This technology describes a method for mixed textile manufacturing, particularly elastane-based materials, with a biopolymer component that can be selectively dissolved for textile recycling. Figure 1: Core-spun sheath...
Published: 8/5/2025   |   Inventor(s):  
Keywords(s): Adhesive, Cleantech, Manufacturing/Processing, Polymer, Polymer Recycling and Reprocessing, Sustainable Materials
Category(s): Physical Sciences > Materials and Industrial Processes, Physical Sciences > Energy & Sustainability
Biobased, catalyst-free non-isocyanate polythiourethane foams: Highly dynamic nature affords fast reprocessability, extrudability and refoamability
NU 2024-070 INVENTORS John Torkelson* Boran Chen Yixuan Chen Nathan Purwanto SHORT DESCRIPTION A series of biobased, catalyst-free non-isocyanate polythiourethane foams have been developed that incorporate dynamic disulfide crosslinks to enable rapid reprocessability, extrudability, and refoamability, delivering flexible foam materials with...
Published: 8/5/2025   |   Inventor(s):  
Keywords(s): Cleantech, Polymer Recycling and Reprocessing
Category(s): Physical Sciences > Energy & Sustainability
Biowaste-Based and Reproccessable Non-isocyanate Polythiourethane Networks
NU 2023-075 INVENTORS John Mark Torkelson* Boran Chen Yixuan Chen SHORT DESCRIPTION Sustainable, biowaste-based, and non-toxic polyurethane networks that are mechanically strong and resistive to water. ABSTRACT Northwestern researchers have developed sustainable polythiourethane (NIPTU) networks, which may be used as substitutes for standard...
Published: 8/5/2025   |   Inventor(s):  
Keywords(s): Adhesive, Cleantech, Environment, Manufacturing/Processing, Materials, Polymer, Polymer Recycling and Reprocessing, Renewable
Category(s): Physical Sciences > Materials and Industrial Processes
Crosslinker for Recyclable Polymethacrylate Polymer Networks
NU 2022-018 INVENTORS John Mark Torkelson* Mohammed Abdulaziz Bin Rusayyis SHORT DESCRIPTION Polymethacrylate networks with unique crosslinking regime that enables full recovery of initial cross-link density after reprocessing ABSTRACT Northwestern researchers have developed a novel approach to improve the recyclability and reprocessability of...
Published: 8/5/2025   |   Inventor(s):  
Keywords(s): Cleantech, Manufacturing/Processing, Materials, Polymer, Polymer Recycling and Reprocessing, Sustainability
Category(s): Physical Sciences > Materials and Industrial Processes, Physical Sciences > Energy & Sustainability, Physical Sciences > Engineering & Technology
A Dynamic Cross-Linker for Recyclable Addition-Type Polymer Networks
NU 2020-153 INVENTORS John Torkelson* Mohammed Bin Rusayyis ABSTRACT Conventional permanently crosslinked polymer networks are used in an array of applications because of their excellent mechanical properties, high heat stability, and outstanding chemical resistance. Unfortunately, their lack of recyclability due to the presence of permanent cross-links...
Published: 8/5/2025   |   Inventor(s):  
Keywords(s): Cleantech, Polymer, Polymer Recycling and Reprocessing, Sustainability
Category(s): Physical Sciences > Materials and Industrial Processes
Recycling Polyurethane Networks for Monomer Recovery
NU 2020-045 INVENTOR John Torkelson* SHORT DESCRIPTION A method to recycle and depolymerize polymer network substitutes for traditional cross-linked polymers BACKGROUND Polyurethanes (PUs) are among one of the most widely used polymers worldwide, with 2020 annual production estimated to be ~29 billion kg. The applications of PUs include elastomers,...
Published: 8/5/2025   |   Inventor(s):  
Keywords(s): Cleantech, Environment, Manufacturing/Processing, Polymer, Polymer Recycling and Reprocessing
Category(s): Physical Sciences > Energy & Sustainability