Filled Composition Containing Phenol-Aldehyde Resin and Butadiene-Acrylonitrile Polymer.
DEPARTMENT OF THE NAVY WASHINGTON DC
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An improved char and erosion resistant ablative thermal insulator composition, which can be used for flexible combustion chambers which comprises a 70-140 parts by weight of a phenolic-aldehyde resin b 40-100 parts by weight of a filler selected from the group consisting of Group I and II metal phosphates, carbonates, acetates, oxalates and sulfites and c 100 parts by weight of a butadiene-acrylonitrile polymer having an acrylonitrile content between about 20 and 45. Author
- Polymer Chemistry