Tech Exchange

Heat Seal Solutions for Flexible Film

An organization seeks one or more bonding agents that can be dispersed into water. When the bonding agents are coated onto a PET film and dried, the coated film should adhere to and seal items made from rigid PE (polyethylene), PP (polypropylene), PS (polystyrene), PVC (polyvinylchloride), and PET (polyester). The same agent does not need to bond all five materials. One possible solution may be a material that has both a polar group to bond to PET and a non-polar group that can bond to other substrates.

Posted in: Tech Exchange, Tech Needs, NASA Tech Needs

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Fast-Cooking Pasta

A large manufacturer of consumer products needs an innovative process to make fast-cooking pasta. Cooking time should be reduced by at least 70%, and thickness/texture of the dry product must be the same as that of the reference shape. Ingredients should be suitable for human consumption. The reduction of cooking time and eventual temperature represents not only a clear advantage for a “time-starving” consumer, but also a lower energy consumption of the cooking process, which reduces impact on the environment.

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Diagnostic Indicators on Consumer Packaging

Low-cost, flexible diagnostic indicators must be incorporated onto consumer product packaging. The main focus of the technology should be the diagnosis of bad breath; a printable diagnostic strip on a tube of toothpaste, for example, may be a possible solution for quickly identifying halitosis. The client wants to provide the consumer with a disposable tool to selfdiagnose at point of sale. Solutions could be diagnostics that detect one or multiple states, and could include tests for breath, saliva, sweat, urine, skin cells, and tongue scraping.

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Graphene as Filler for Thermoplastic Nanocomposites

To save costs and reduce weight, a company is exploring graphene as a filler for thermoplastic resins. Work to date has shown that graphene dispersion is generally poor in thermoplastics, leading to less than optimal reinforcement properties and darker color. The manufacturer is specifically interested in the reinforcement properties of graphene in polyethylene and polypropylene. Potential solution proposals must include the source of the material, the matrix they are dispersing into, the level of transparency and color, and some measure of mechanical reinforcement.

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High-Temperature Seals for Non-Nuclear Test Facility

The United States National Research Council (NRC) has identified Nuclear Thermal Propulsion (NTP) as a high-priority NASA Space Technology Roadmap Area. NTP could be an enabling technology to reduce transit time and mission risk to Near-Earth Objects, Mars, and other deep space destinations. Nuclear power and propulsion technologies are key enabling technologies for future NASA exploration missions. The goal for Stennis Space Center is to investigate the technologies that would be required in the potential development of a Nuclear Propulsion and Power Nonnuclear (NP2N) test facility to provide component- and system-level ground testing of the NTP systems during the development and certification phases of their lifecycle.

Posted in: NASA Tech Needs

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Nozzles Provide Spray Pattern Consistency

Macrospray® nozzles produce consistent mists at very low pressure. The nozzles have a uniformly distributed droplet size (10–30 μm Sauter Mean Diameter), which provides greater contact between deodorant, for example, and odorcausing particles or dust. Droplet size can be tuned for the degree of dust particle interaction and “knock-down” required. The nozzles provide multiple tips for high flow.

Posted in: Techs for License

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Uni-Body Composite Plastic Chassis Reduces Part Count

A patented, one-piece, fiber-reinforced plastic composite chassis, produced by sheet molding compression, uses a highglass-content vinyl ester composite structural material, toughened with urethane for fatigue and damage tolerance.

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