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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: 6/6/2022   |   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
Synthesis New Polysulfide Materials derived from Sulfur Monochloride for Flame Retardant Polymeric Materials
­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...
Published: 6/6/2022   |   Inventor(s): Dong-Chul Pyun, Kyung Seok Kang
Keywords(s):  
Category(s): Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Coatings, Technology Classifications > Materials > Polymers
Method for Tailings Dust Suppression
This technology is a new type of treatment that can be sprayed on mine tailings piles to suppress tailing dust from blowing off the pile, thereby preventing erosion and environmental contamination. Background: Tailings are the waste byproduct of ore mining, and consist of fine particles, many the size of dust particles. They are typically placed in...
Published: 4/1/2022   |   Inventor(s): Dominic Gervasio, Minkyu Kim, Abraham Jalbout
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Category(s): Technology Classifications > Energy, Cleantech & Environmental > Manufacturing, Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing > Mining, Technology Classifications > Engineering & Physical Sciences, Technology Classifications > Energy, Cleantech & Environmental > Air/Water Purification, Technology Classifications > Materials > Coatings
Surface-Modified Electrospray Needles for Mass Spectrometry
With this invention, electrospray needles used in mass spectrometry are coated to prevent sticking and clogging of analytes, resulting in improved mass detection sensitivity and consistency of analysis. The coating comprises an organic material covalently bonded to an interior surface of the electrospray needle. The coating is electrically non-conductive...
Published: 12/15/2021   |   Inventor(s): Michael Marty, Craig Aspinwall, Marius Kostelic, Chih-Chieh Hsieh
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Category(s): Technology Classifications > Engineering & Physical Sciences > Devices & Instrumentation > Mass Spectrometry, Technology Classifications > Engineering & Physical Sciences > Devices & Instrumentation > Microfluidics, Technology Classifications > Materials > Coatings
Flexible Curved Optics Elements With Laminate
The invention is a means of allowing a substrate like glass, a mirror or plastic, to flex after a coating is applied. Background: Flexible glass is employed as a substrate for vapor deposited thin films to create low-cost curved mirrors in shapes like parabolic, hyperbolic, etc. The elasticity of substrate material may be exploited to create free-standing...
Published: 2/10/2021   |   Inventor(s): Sasaan Showghi, Robert Norwood
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Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Materials > Coatings
Highly Transmissive Infrared Polymer Micro Optical Lenses and Arrays
Polymeric microscale lenses, which are highly transmissive for infrared wavelengths, can be fabricated using photolithography. Arrays of lenses may be mass produced and incorporated into optical-electronic systems. Background: Conventionally, lenses for use in infrared imaging have been made from inorganic materials due to their superior optical properties...
Published: 1/11/2021   |   Inventor(s): Dong-Chul Pyun, Robert Norwood, Abhinav Nishant, Tristan Kleine, Nicholas Lyons, Kyungjo Kim
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Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Optical, Technology Classifications > Engineering & Physical Sciences > Communications & Networking > RFID, Technology Classifications > Engineering & Physical Sciences > MEMS & Nanotechnology, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Transportation & Automotive > Autonomous/Intelligent Vehicle Compone, Technology Classifications > Engineering & Physical Sciences > Transportation & Automotive > Vehicle Control, Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Imaging & Optics > Sensors and Detection > Remote Sensing, Technology Classifications > Imaging & Optics > Telecommunications > Electro-Optic Devices, Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Coatings, Technology Classifications > Materials > Polymers
Additive for Improving the Efficiency and Stability of Organic Perovskite Materials for Electronics, including Photovoltaics
This invention is a new small molecule for passivating defects in organic perovskite electronic devices that improves power conversion efficiency, device quality and higher long-term stability, even in dopant-free designs. Background: Perovskite solar cells (PSC), considered to be third generation photovoltaics, have great potential to increase...
Published: 7/23/2020   |   Inventor(s): Dominic Mcgrath, Neal Armstrong, Zongxiang Xu
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Category(s): Technology Classifications > Energy, Cleantech & Environmental > Low Carbon, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy > Solar/Photovoltaic, Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Coatings
A Hybrid Geopolymer-Biopolymer Cementitious Material for Enhancing Pumpable Roof Support in Underground Mining
This invention is a new hybrid cementitious material that has a high viscosity rate to be used in pumpable roof support application in underground mining. This hybrid is a fusion of geopolymer and biopolymer that results in a high load stiffness, high peak strength, and large residual strength compared to current cementitious material used in this application....
Published: 5/13/2020   |   Inventor(s): Lianyang Zhang, Arash Nikvar Hassani
Keywords(s):  
Category(s): Technology Classifications > Materials > Coatings
Polyols from Elemental Sulfur and Elastomeric Polyurethanes
This invention consists of novel sulfur-based polyol polymers which are highly soluble in polar organic solvents and are made in a single chemical step from elemental sulfur. This chemistry enables new polyurethane compositions from sulfur comonomers. The method of synthesis can be easily scaled to large-scale production, and can be processed into water...
Published: 3/27/2020   |   Inventor(s): Kyungseok Kang, Dong-Chul (Jeffrey) Pyun, Taeheon Lee
Keywords(s):  
Category(s): Technology Classifications > Energy, Cleantech & Environmental > Petrochemical, Technology Classifications > Materials > Polymers, Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Coatings
Non-Halogenated Polymer Flame Retardant
This invention is a flame retardant composition comprising a sulfur copolymer prepared from elemental sulfur using inverse vulcanization. These polymers may be copolymerized with a wide variety of other monomers. When exposed to combustion temperatures, they form high char content, self-extinguishing materials. These polymers may be prepared in blends...
Published: 7/5/2019   |   Inventor(s): Dong-Chul Pyun
Keywords(s):  
Category(s): Technology Classifications > Materials > Coatings, Technology Classifications > Materials > Polymers
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