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Viton's Impact on NASA Standard Initiator Propellant PropertiesThis paper discusses some of the properties of Viton that are relevant to its use as a pyrotechnic binder in a NASA standard initiator (NSI) propellant. Nearly every aspect of NSI propellant manufacture and use is impacted by the binder system. The effect of Viton's molecular weight on solubility, solution viscosity, glass transition temperature, and strength characteristics as applied to NSI production and performance are reviewed. Emphasis is placed on the Viton fractionation that occurs during the precipitation cycle and its impact on bridgewire functions. Special consideration is given to the production of bridgewire slurry mixtures.
Document ID
20000120297
Acquisition Source
Johnson Space Center
Document Type
Technical Publication (TP)
Authors
Hohmann, Carl (NASA Johnson Space Center Houston, TX United States)
Tipton, Bill, Jr. (NASA Johnson Space Center Houston, TX United States)
Date Acquired
September 7, 2013
Publication Date
October 1, 2000
Subject Category
Propellants And Fuels
Report/Patent Number
NASA/TP-2000-210187
NAS 160:210187
S-867
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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