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Texas Research Institute, Austin, Inc. SBIR Phase II Award, July 2022

A SBIR Phase II contract was awarded to Texas Research Institute, Austin, Inc. in July, 2022 for $749,988.0 USD from the NASA.

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AbstractTimelineTable: Further ResourcesReferences
sbir.gov/node/2274715
Is a
SBIR/STTR Awards
SBIR/STTR Awards

SBIR/STTR Award attributes

SBIR/STTR Award Recipient
Texas Research Institute, Austin, Inc.
Texas Research Institute, Austin, Inc.
1
Government Agency
NASA
NASA
1
Award Type
SBIR1
Contract Number (US Government)
80NSSC22CA1501
Award Phase
Phase II1
Award Amount (USD)
749,9881
Date Awarded
July 14, 2022
1
End Date
July 13, 2024
1
Abstract

NASA is seeking improvements to current spacesuit pressure garment bladders in several key areas, including increased microbial resistance, imparting self-healing capabilities, and decreasing the friction between the bladder and surrounding materials. To create these improvements, TRI Austin proposes further development of new polyurethane materials that were demonstrated in Phase I to have antimicrobial properties, with greater than 99.9% reduction in both gram-positive and gram-negative bacteria, while maintaining excellent thermomechanical properties. This polyurethane will be used as a drop-in replacement for the current polyurethane coating material used in legacy space suit pressure garment bladders. This new polyurethane was created incorporating novel antimicrobial additives which make polyurethanes, as well as other polymers, persistently antimicrobial. These new polyurethanes are expected to decrease or even eliminate the need for biocide use in next-gen space suit applications, without causing significant changes to the current production or processing methods. In addition, minimizing friction with surrounding materials will be investigated as these polyurethanes are refined. TRI Austin will work with the current producer of pressure garment bladders to ensure the new polyurethane is a drop-in replacement for the legacy material. The new formulation will be iteratively refined and scaled until a polyurethane is created which satisfies or exceeds all of NASArsquo;s desired requirements. These materials will then be used to create a spacesuit arm assembly and tested at the component level.

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Further Resources

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