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Low Cost Green Hydrogen Production via Neutral Water Electrolysis and Polymer Cathode

This technology is a system for efficient and fast production of hydrogen in neutral water at ambient temperature. This capability is in strong contrast to current systems, which operate with either highly acidic electrolytes or highly caustic media and require expensive or rare materials for the cathode. It is a cost-efficient and sustainable alternative...

Published: 5/12/2023 | Inventor(s): Dennis Lichtenberger, Arthur Gibson, Addison Coen, Mary Salyards

Keywords(s):

Category(s): Technology Classifications > Energy, Cleantech & Environmental > Low Carbon, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy > Biofuels, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy > Solar/Photovoltaic, Technology Classifications > Materials > Polymers

Dithiophosphoric Acid Monomers for Polymer Synthesis and Functionalization

This technology is a new polymer chemistry composed of –SH-P=S-function groups which can be made from elemental sulfur, white phosphorus, and cheap alcohols, providing a route for non-petroleum-based polymers from widely available raw materials. Functionalized polymers of a reaction product of a polymer including one or more olefins and a dithiophosphoric...

Published: 4/3/2023 | Inventor(s): Dong-Chul Pyun, Jianhua Bao, Jon Njardarson

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Category(s): Technology Classifications > Energy, Cleantech & Environmental > Petrochemical, Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Polymers

Synthesis of New Polysulfide Materials derived from Sulfur Monochloride with for Optical Material Applications

This invention describes a range of low-cost polymer compositions and method of making for high index, high Abbe number consumer optics. This process improves upon the synthesis of thermoplastic and thermoset polymers, achieving both high molecular weight in linear thermoplastics and highly crosslinked thermosets. It was also found that these materials...

Published: 4/3/2023 | Inventor(s): Dong-Chul Pyun, Robert Norwood, Jon Njardarson, Kyung-Seok Kang

Keywords(s):

Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Materials & Fabrication > Optical, EO & MO, Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Polymers

Functionalization of Soluble Guayule Resins using Functional Dithiophosphoric Acids

Functionalized polymers of a reaction product of a polymer including one or more olefins and a dithiophosphoric acid compound can provide a wide range of olefinic polymers in bulk-neat conditions or in solution via eletrophilic addition processes. Such new compositions provide a wide range of new functional polymers via an inexpensive polymer production...

Published: 5/10/2023 | Inventor(s): Dong-Chul Pyun, Jon Njardarson

Keywords(s):

Category(s): Technology Classifications, Technology Classifications > Energy, Cleantech & Environmental > Low Carbon, Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Polymers, Technology Classifications > Materials > Processing, Technology Classifications > Materials > Biomaterials

Functionalization of Soluble Polydienes and Polyisoprenes using Dithiophosphoric Acids

Researchers at the University of Arizona have found that functionalized polymers of a reaction product of a polymer including one or more olefins and a dithiophosphoric acid compound can provide a wide range of olefinic polymers in bulk-neat conditions or in solution via eletrophilic addition processes. Suitable olefins include polybutadienes, polyisoprenes,...

Published: 4/3/2023 | Inventor(s): Dong-Chul Pyun, Jon Njardarson

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication > Optical, EO & MO, Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Coatings, Technology Classifications > Materials > Polymers

Low Cost Flame Retardant Polymers from Low Cost Olefinic Comonomers

This technology is an approach to using sulfenyl-halide polymerization with olefinic comonomers to prepare a new class of intrinsically flame-retardant polymers for the production of a wide range of thermoplastics, thermoplastic elastomers, and thermoset materials. Materials prepared with this technology have afforded a V0 UL-94V flame retardancy rating...

Published: 4/3/2023 | Inventor(s): Dong-Chul Pyun, Robert Norwood, Jon Njardarson, Richard Glass, Taeheon Lee, Chisom Olikagu, Kyung-Seok Kang

Keywords(s):

Category(s): Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Coatings, Technology Classifications > Materials > Polymers

New Polysulfide Materials derived from Sulfur Monochloride for Flame Retardant Polymers

Published: 4/3/2023 | Inventor(s): Dong-Chul Pyun, Kyung-Seok Kang

Keywords(s):

Category(s): Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Coatings, Technology Classifications > Materials > Polymers

Consumer Optics with Low Cost Polymers

This invention describes a range of low-cost polymer compositions and method of making for high index, high Abbie number consumer optics. Background: The consumer eyewear global market estimated at greater than $100 billion. Current optical polymer technology revolves around well-established thermoplastic or thermoset polymers, including polycarbonates...

Published: 4/3/2023 | Inventor(s): Dong-Chul Pyun, Robert Norwood, Jon Njardarson, Richard Glass, Taeheon Lee, Chisom Olikagu, Kyung-Seok Kang

Keywords(s):

Category(s): Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Polymers, Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Ophthalmology, Technology Classifications > Imaging & Optics > Optical Fab / Metrology

Natural Rubber Vulcanization using Chalcogenide Hybrid Inorganic/Organic Polymers

A new high sulfur content polymer has been developed for tire vulcanization. This polymer may improve chemical compatibility, mixing, and result in more efficient crosslinking. Background: Sulfur, the traditional vulcanizing agent for tire rubber, is largely insoluble in rubber precursors and requires high temperatures to form crosslinks. Even with...

Published: 4/3/2023 | Inventor(s): Dong-Chul Pyun, Taeheon Lee, Kyle Carothers

Keywords(s):

Category(s): Technology Classifications > Materials > Polymers, Technology Classifications > Materials > Chemicals

SmartPrint Polymer Material and Design for the Connection of Separate Optical Chips

This technology is a further development of interconnect polymer waveguides for photonics packaging and integration. Here, a flexible optical substrate is attached and aligned to individual photonic chip components to form an optical waveguide. The waveguide comprises a refractive index contrast (RIC) polymer directly patterned using a photolithography...

Published: 4/3/2023 | Inventor(s): Linan Jiang, Dong-Chul Pyun, Robert Norwood, Tristan Kleine, Julie Frish, Thomas Koch, Stanley Pau, Roland Himmelhuber, Abhinav Nishant, Kyungjo Kim, Sasaan Showghi

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