Search Results - shape+memory+polymer

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Chromogenic Vapor Sensor that Precisely Detects Various Gases
Convenient, Inexpensive, Reusable Sensors Easy to Install or Use in the FieldThis chromogenic vapor sensor, utilizing a new type of shape memory polymer, shows a striking color change when exposed to different vapors. Commonly available vapor sensors work by monitoring the change in electrical properties of a conducting device; they are expensive, bulky,...
Published: 6/27/2021   |   Inventor(s): Peng Jiang, Yin Fang, Beverly Ge
Keywords(s): 3D, micropores, Photonic crystals, sensor, shape memory polymer
Category(s): Technology Classifications > Engineering > Chemical, Technology Classifications > Engineering > Instrumentation-Sensors-Photonics, Technology Classifications > Engineering > Materials
Pressure-Sensitive Hydrogels for Measuring Intraocular Pressure In-Situ
Changes Color in Response to Different Pressure Levels Exerted Inside the EyeThis bio-compatible pressure-sensitive hydrogel coating applied to or embedded in existing ocular implants provides direct and continuous measurement of intraocular pressure. Ophthalmologists measure intraocular pressure to diagnose and treat eye diseases such as glaucoma,...
Published: 6/27/2021   |   Inventor(s): Mark Sherwood, Peng Jiang, Aaron Webel
Keywords(s): chromogenic, Coatings (nanotech) 112614, color change bio-compatible material, direct measurement, intraocular pressure measurement, Photonic crystals, pressure sensitive, sensor technology related to measurements, shape memory polymer
Category(s): Technology Classifications > Engineering > Materials, Technology Classifications > Human Health Care > Diagnostics, Technology Classifications > Medical Devices > Others
Smart Coating to Reflect Lasers and Dissipate Their Energy
Responds Automatically and Transforms to Reflect Laser IlluminationThis surface coating uses a graphene-oxide-reinforced shape memory polymer that changes color in response to laser beam. The early detection of a laser beams is desirable to prevent damage to military equipment, such as drones, that can lose functionality from laser beam illumination....
Published: 7/18/2023   |   Inventor(s): Ruochen Liu, Peng Jiang, Sin Leo, Rao Fei, Wei Zhang
Keywords(s): Coatings (nanotech) 112614, Graphene oxide, laser light, Photonic crystals, shape memory polymer, stimuli-responsive
Category(s): Technology Classifications > Engineering > Materials, Technology Classifications > Others > Cleantech
Polymeric Chromogenic Sensor to Analyze Ethanol Concentration in Gasoline, Drugs and Other Liquid Products
Changes Color upon Contact with Chemical Analytes to Detect and Quantify the Presence of a Liquid in Commercial Liquid ProductsThis chromogenic sensor uses shape memory polymer gratings to detect the concentration of ethanol in gasoline and other commercial liquid products. One of the most common uses of ethanol is as a fuel additive to reduce air pollution,...
Published: 6/27/2021   |   Inventor(s): Peng Jiang, Zhuxiao Gu, Sin-Yen Leo
Keywords(s): optical discs, optics, polymer, Sensors, shape memory polymer
Category(s): Technology Classifications > Engineering > Chemical, Technology Classifications > Engineering > Materials, Technology Classifications > Environmental > Water
Chromogenic Sensor for Analyzing Ethanol Concentration in Gasoline
Reusable, Inexpensive, Tunable Polymer Membrane Detects Ethanol Concentration Using One Drop of Gasoline or a Similar Commercial ProductThis reusable, chromogenic ethanol sensor can detect the concentration of ethanol in a single drop of gasoline. Ethanol has lower energy content than gasoline; it also can cause corrosive damage to rubber and aluminum...
Published: 6/27/2021   |   Inventor(s): Peng Jiang, Sin Leo, Tianwei Xie
Keywords(s): chromogenic, ethanol sensor, gasoline, Photonic crystals, polymer swelling, sensor, shape memory polymer, vapor
Category(s): Technology Classifications > Engineering > Instrumentation-Sensors-Photonics, Technology Classifications > Engineering > Materials
Polymer for Optical and Biometric Identity Authentication Systems
Pressure-Responsive Polymer Memorizes the Shape of 3D Objects, Changes Color When CompressedThis pressure-responsive polymer collapses when a small force is applied to it and quickly returns to its original shape when no longer compressed. The technology is useful for identity authentication systems. The Federal Bureau of Investigation (FBI) alone maintains...
Published: 6/27/2021   |   Inventor(s): Peng Jiang, Blayne Phillips, Khalid Askar, Yin Fang
Keywords(s): Anti-glaring coatings, diffractive optics, Fingerprinting, Macroporous, Photonic crystals, shape memory polymer, Template
Category(s): Technology Classifications > Engineering > Materials
Tunable, Anti-Reflection Coating Using Common Shape Memory Polymers
Scalable Nanoparticle Self-Assembly Performs In Ambient ConditionsThis tunable, anti-reflection coating uses a variety of shape memory polymers with a nanoporous structure to help regulate light transmission and reflection in monitors, car dashboards, optical lenses, smart devices, solar cells and more. By 2020, the global anti-reflective coatings market...
Published: 6/27/2021   |   Inventor(s): Peng Jiang, Yin Fang, Sin Leo, Danielle Liu
Keywords(s): anti-glare, Antireflection coatings, Nanoparticles, nanoporous surface texture, self-assembly, shape memory polymer, Template Nanostructures
Category(s): Technology Classifications > Engineering > Chemical, Technology Classifications > Engineering > Materials, Technology Classifications > Others > Energy