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Search Results - robb+bagge
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Tetrazines as Chemical Blowing and Crosslinking Agents in the Preparation of Organosilicon Foams
This invention incorporates the reaction of tetrazine and alkene/alkyne substituted polysiloxanes through the foaming process to develop a product similar to polyurethane foam. This new solution is much less toxic than polyurethane, and has the flexibility of rubber but with added strength due to a silicon-oxide network. Background: Polyurethane...
Published: 8/1/2024
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Inventor(s):
Robb Bagge
,
Douglas Loy
Keywords(s):
Category(s):
Technology Classifications > Materials > Polymers
Dihydropyridazine Antioxidant Sunscreen that Signals Depletion with Bleaching of Fluorescence
This invention is a UVA and UVB absorbent with dihydropyridazine purposed to act as a sunscreen antioxidant. Background: Commercial sunscreens, which aim to prevent the development of skin cancers and melanoma, compete to minimize UV damage while allowing user to apply on either dry or wet skin. Unfortunately, it is difficult to effectively gauge...
Published: 8/1/2024
|
Inventor(s):
Douglas Loy
,
Robb Bagge
Keywords(s):
Category(s):
Technology Classifications > Materials
,
Technology Classifications > Healthcare Portfolios > Dermatology
Particulate and Film Polymeric Dihydropyridazines as Sunscreens with Inherent Antioxidant Properties
This invention is a polymeric sunscreen that can be applied either as a film or as particles to be suspended in either water or oil. Background: Both UVB and UVA wavelengths penetrate the atmosphere, inducing skin cancers, eye damage and aging if not properly protected or treated. Common commercial sunscreens can block around 93% of UVB and UVA rays,...
Published: 8/1/2024
|
Inventor(s):
Douglas Loy
,
Wenmo Sun
,
Robb Bagge
,
Nanayakkarawasan Pallage Nanayakkara
Keywords(s):
Category(s):
Technology Classifications > Materials
,
Technology Classifications > Healthcare Portfolios > Dermatology
,
Technology Classifications > Materials > Coatings
,
Technology Classifications > Materials > Polymers
Polymer Foams from 1,2,4,5-Tetrazine and Polydienes
This invention is an optimized synthesis of parent 1,2,4,5 tetrazine and polydienes, which is capable of creating a solid polymeric foam with as little as 5 mol% tetrazine. Background: Polymer foams are found virtually everywhere in our society and are used in a variety of applications. Said foams can be produced through different methods such like...
Published: 8/1/2024
|
Inventor(s):
Douglas Loy
,
Robb Bagge
,
Wenmo Sun
Keywords(s):
Category(s):
Technology Classifications > Materials
Dihydrotetrazine Antioxidants and Free Radical Reaction Inhibitors
This invention is the use of dihydrotetrazines as antioxidants to eliminate free radicals. Dihydrotetrazines were found to be superior to dihydropyridazines or hindered phenols in inhibiting free radical polymerization. Background: Dihydrotetrazines donate up to two hydrogen atoms to terminate radical chain or oxidation reactions. These compounds...
Published: 8/1/2024
|
Inventor(s):
Douglas Loy
,
Robb Bagge
,
Wenmo Sun
Keywords(s):
Category(s):
Technology Classifications > Life Sciences
Dihydropyridazine Antioxidants
This invention is the use of dihydropyridazines as antioxidants to remove free radicals, prevent degradation of peroxides, block ultraviolet light, and limit ionizing radiation. 1,4-dihydropyridazines with any number of substituents at the 3, 6- positions or 4,5- positions can generate a variety of antioxidants. Background: The main reason for the...
Published: 8/1/2024
|
Inventor(s):
Douglas Loy
,
Robb Bagge
Keywords(s):
Category(s):
Technology Classifications > Life Sciences
,
Technology Classifications > Materials
The Method of Formation of a Class of Oxidation Resistant Linear Polymers and Networked Foams through the Inverse Electron Demand (IEDA) Reaction Between Substituted Tetrazines with Polyenes and Oligoenes
This invention is a chemical synthesis method that allows for a greener, safer formation of polymeric thermosetting and thermoplastic foams, adhesives, films and electrofluorochromic devices using non-isocyanate chemistry. Background: As of January 2015, the US Environmental Protection Agency (EPA) has taken action to protect consumers from new uses...
Published: 8/1/2024
|
Inventor(s):
Robb Bagge
,
Douglas Loy
Keywords(s):
Category(s):
Technology Classifications > Research Tools
Pyridazine and Pyridazinone based Polymer Foams as Filtration Materials for Removal of Nucleophilic and Electrophilic
This technology is the synthesis of a porous and sponge-like polymer foam that is capable of removing harmful substances such as chemical warfare agents, metals, and CO2. In addition, the material changes changes color when a reaction with a nucleophilic species occurs. Background: Using a Carboni-Lindsey reaction, Pyridazine and Pyridazinone based...
Published: 8/1/2024
|
Inventor(s):
Robb Bagge
,
Douglas Loy
Keywords(s):
Category(s):
Technology Classifications > Energy, Cleantech & Environmental > Air/Water Purification
,
Technology Classifications > Energy, Cleantech & Environmental > Remediation
,
Technology Classifications > Materials > Polymers
,
Technology Classifications > Sensors & Controls > Chemical & Gas
Polyarylenes by Cycloaddition Polymerization of Tetrazines and Pyridazines
University of Arizona researchers have developed a novel method of producing a variety of polyarylene compounds in order to increase efficient production of high quality membranes. Background: Traditional means of producing high quality membranes are laborious due to the use of reagents involved in the process. In order to remove this burden, University...
Published: 8/1/2024
|
Inventor(s):
Douglas Loy
,
Robb Bagge
Keywords(s):
thermoset
Category(s):
Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing
Color-Free, Thermally Reworkable Diels-Alder Epoxies with Liquid Precursors
Researchers at the University of Arizona have developed an epoxy which reverts to a liquid upon application of heat. This epoxy is colorless and contains liquid precursors, which can be mixed at room temperature, making it an ideal adhesive for art conservation. This invention solves the issue of irreversibility in epoxy adhesives. Background: Epoxies...
Published: 8/1/2024
|
Inventor(s):
Peter Mcfadden
,
Douglas Loy
,
Robb Bagge
Keywords(s):
Category(s):
Technology Classifications > Engineering & Physical Sciences > Electronics > Assembly and Packaging
,
Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing > Construction
,
Technology Classifications > Materials > Coatings
,
Technology Classifications > Materials > Polymers
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