Tech Exchange

Personal Cleansing Innovations

Personal cleansing after using the bathroom is a worldwide necessity, and various cultures solve that need differently. New devices must facilitate this type of cleaning and deliver soothing formulations onto the skin. The technology will serve as an alternative to Western dry toilet paper, European bidets, and moistened wipes. Proposed formulations must also reduce pain or irritation. Solutions may also contain common ingredients, including aloe, lanolin, or various vitamins.

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Hydrogen Degassing System Features Ceramic Rotor

A system for degassing hydrogen uses silicon nitride ceramic rotors. The technology’s rotors stir molten aluminum and disperse the gas. By adding bubbles of an inert gas, hydrogen is drawn out from the metal, which otherwise would cause voids and substantially weaken castings.

Posted in: Techs for License

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CV Number Enables Tunable Ball Valves

A ball valve for process systems has a field-adjustable CV number. The CV number allows the valve to be “tuned” for its system. The ball, controlled by an actuator, is moved 0–90 degrees. An adjustable V-port then adjusts the CV number.

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Bacteria Elimination from Hard Surfaces

Long-term care facilities are subject to outbreaks of Clostridium difficile (C. diff) bacteria that form a hard shell, enter a vegetative spore state, and are thus able to withstand conventional cleaning. An active ingredient or mechanical/ electronic means must minimize the threat of C. diff and its spores. The bacteria proliferate when a person touches a hard surface where C. diff spores exist. A client seeks a way to break the transmission of bacteria and viruses from surfaces to hands and eyes. Speed of disinfection must be part of the solution.

Posted in: Tech Needs, NASA Tech Needs

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Insulating Coating for a Ceramic Substrate

A client seeks an insulating coating for a ceramic substrate and a method of applying it. Electrical leakage from one side of the substrate to the other causes damage. A thin coating is preferred for the application, but the critical specification is the relative permittivity of the coating, which should be smaller than 20 micrometers. A proposed solution must cover 100% of an area approximately 0.5 × 0.5 m, with an average surface roughness (Ra) ~500nm, and peak-to-valley measurements of ~5 micrometers. Operating conditions for the coating after application are at near-room-temperature.

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Safety Glass Offers Near-Infrared Heat Reflection

New safety glass technology reflects 50% of solar radiation and transmits 70% of visible light. A non-micellar twisted nematic liquid crystal features cholesteric near-infraredreflecting properties, along with at least one near-infrared absorptive material. The composition can be used as a layer — optionally in conjunction with polymeric films, polymeric sheets, and rigid sheets — to form multilayer laminates. The multilayer shields are useful as solar control windows to reduce energy consumption and cool the interior of automobiles or buildings.

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Microwave System Accelerates Concrete Curing

A Microwave Irradiated Pyrogen (MIP) system speeds up the concrete curing process. The use of a microwave allows the technology to operate in cold weather. Because the MIP accelerates the heating point, colder countries like Russia and Canada can use the curing system to build roads, tunnels, and other structures. The technology can also be used with precast concrete, mass concrete, and other construction needs.

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