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High temperature ablative foamAn ablative foam composition is formed of approximately 150 to 250 parts by weight polymeric isocyanate having an isocyanate functionality of 2.6 to 3.2; approximately 15 to 30 parts by weight reactive flame retardant having a hydroxyl number range from 200-260; approximately 10 to 40 parts by weight non-reactive flame retardant; approximately 10 to 40 parts by weight nonhydrolyzable silicone copolymer having a hydroxyl number range from 75-205; and approximately 3 to 16 parts by weight amine initiated polyether resin having an isocyanate functionality greater than or equal to 3.0 and a hydroxyl number range from 400-800.
Document ID
20080005945
Acquisition Source
Marshall Space Flight Center
Document Type
Other - Patent
Authors
Liu, Matthew T.
Date Acquired
August 24, 2013
Publication Date
September 29, 1992
Subject Category
Nonmetallic Materials
Report/Patent Number
Patent Application Number: US-PATENT-APPL-SN-790763
Patent Number: US-PATENT-5,151,216
Funding Number(s)
CONTRACT_GRANT: NAS8-33708
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-PATENT-5,151,216
Patent Application
US-PATENT-APPL-SN-790763

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