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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: 3/12/2024 | Inventor(s): Dong-Chul Pyun, Robert Norwood, Jon Njardarson, Richard Glass, Taeheon Lee, Chisom Olikagu, Kyung-Seok Kang

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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: 3/12/2024 | 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

Novel High Refractive Index and Abbie Value Polymers for Advanced Lower Cost Optical Eyewear

Copolymerization of chalcogenide halides with widely available unsaturated monomers is used to create advanced polymer materials for consumer plastic optics, consumer eye wear, and smart phone plastic optics. Background: Sulfenyl chlorides are a widely known but largely ignored class of sulfur compounds that are highly reactive toward nucleophiles...

Published: 3/12/2024 | Inventor(s): Dong-Chul Pyun, Robert Norwood, Jon Njardarson, Richard Glass, Taeheon Lee, Chisom Olikagu, Kyle Carothers

Keywords(s):

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

Nucleophilic Activation of Elemental Sulfur with Amines and Nucleophilic Heterocycles

This invention describes a process to utilize nucleophiles to activate elemental sulfur. Background: Existing catalytic methods involve heavy metal components and ultraviolet light. Alternative options also include using free-radicals to catalyze a polymerization reaction. The invention instead has the benefit of generating intermediates with unexplored...

Published: 3/12/2024 | Inventor(s): Dong-Chul Pyun, Richard Glass

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Category(s): Technology Classifications > Energy, Cleantech & Environmental > Fuel Cells, Technology Classifications > Life Sciences > Diagnostics, Technology Classifications > Life Sciences > Drug Delivery, Technology Classifications > Materials > Biocompatible, Technology Classifications > Materials > Biomaterials, Technology Classifications > Materials > Polymers, Technology Classifications > Medical Devices > Diagnostic

Novel Polymers for Mid-and Long-Wave Infrared Imaging

This invention is an approach to creating specific materials that are transparent to Long Wave Infrared. The proposed materials may be used as a matrix for incorporating IR transparent nanoparticles to form infrared transparent CHIP nanoparticle material. This new process allows for the creation of new copolymers with improved thermomechanical properties...

Published: 3/12/2024 | Inventor(s): Dong-Chul Pyun, Robert Norwood, Richard Glass

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Vulcanization for tire rubber production with lower temperatures, more efficient crosslinking, and improved properties

Methods of vulcanization using a high sulfur content polymer, instead of elemental sulfur, have been developed for tire rubber production. The resulting high sulfur content polymers are referred to as Chalcogenide Hybrid Inorganic/Organic Polymers (CHIP) materials have improved polymer compatibility and efficient crosslinking. Furthermore, this technology...

Published: 3/12/2024 | Inventor(s): Dong-Chul Pyun, Richard Glass, Kyle Carothers, Yueyan Zhang

Keywords(s):

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

Solubilization of Elemental Sulfur for Free Radical Copolymerizations via Organo-ring opening Activation

This invention describes a method to solubilize elemental sulfur using a method that allows for a wide variety of comonomers to be added for the formulation of chemically valuable products. Background: Existing methods typically involve sulfur being heated up to temperatures as high as 300 degrees Celsius. The environment in this heat renders certain...

Published: 3/12/2024 | Inventor(s): Dong-Chul Pyun, Richard Glass

Keywords(s):

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