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Reactive, Fluorescent Coumarin Dyes for Making Thermosets Visible under Ultraviolet Light
The invention describes a novel use for coumarin dyes to make thermosets visible under only certain conditions, which provides a means of identifying whether or not a reaction has occurred. In addition, this technology is capable of allowing the user to hide the use of an epoxy unless there is a need to see it.
Background:
Dyes are most often used...
Published: 8/1/2024
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Inventor(s): Douglas Loy, Peter Mcfadden
Keywords(s):
Category(s): Technology Classifications > Materials > Biocompatible
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Photochemically Stable, Non-Leaching, Based Nanoparticle Sunscreens from Epoxide-Based Silane Coupling Agents and Naturally Occurring UV Absorbing Chromophores
This invention is a nanoparticle sunscreen with photo stability and reduced chemical exposure. The sunscreen is created by sol-gel or emulsion polymerization of monomers with trialkoxysilyl or methyldiethoxysilyl groups with tetraalkoxysilane or organotrialkoxysilane comonomers.
Background:
The market for sun care products is expected to reach $11.1...
Published: 8/1/2024
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Inventor(s): Douglas Loy, Peter Mcfadden
Keywords(s):
Category(s): Technology Classifications > Life Sciences, Technology Classifications > Materials, Technology Classifications > Healthcare Portfolios > Dermatology
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Reactive, Fluorescent Epoxy Monomers for Making Epoxy Thermosets Visible Under Ultraviolet Light
This technology allows for the easy identification of epoxy repairs using ultraviolet (UV) light. A fluorescent dye is covalently bonded to the epoxy group molecule, preventing it from leaching out of the cured adhesive. This dye, which emits a bright fluorescence under UV light, does not reduce the adhesive strength of the epoxy and will not lose its...
Published: 8/1/2024
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Inventor(s): Douglas Loy, Pamela Vandiver, Nancy Odegaard, Kevin Frederick, Peter Mcfadden
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences, Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Dyes, Technology Classifications > Materials > Polymers
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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
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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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