NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Collections About News Help Login
Back to Results
Sprayable low density ablator and application processA sprayable, low density ablative composition is described consisting esentially of: (1) 100 parts by weight of a mixture of 25-65% by weight of phenolic microballoons, 0-20% by weight of glass microballoons, 4-10% by weight of glass fibers, 25-45% by weight of an epoxy-modified polyurethane resin, 2-4% by weight of a bentonite dispersing aid, and 1-2% by weight of an alcohol activator for the bentonite; (2) 1-10 parts by weight of an aromatic amine curing agent; and (3) 200-400 parts by weight of a solvent.
Document ID
19780016347
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Sharpe, M. H. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Hill, W. E. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Simpson, W. G. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Carter, J. M. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Brown, E. L. (NASA Marshall Space Flight Center Huntsville, AL, United States)
King, H. M. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Schuerer, P. H. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Webb, D. D. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
September 3, 2013
Publication Date
March 7, 1978
Subject Category
Composite Materials
Report/Patent Number
Patent Number: NASA-CASE-MFS-23506-1
Patent Application Number: US-PATENT-APPL-SN-760809
Patent Number: US-PATENT-4,077,921
Accession Number
78N24290
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-CASE-MFS-23506-1|US-PATENT-4,077,921
Patent Application
US-PATENT-APPL-SN-760809

Related Records

IDRelationTitleN77-15105Superseded By
No Preview Available