Rocket assembly ablative materials, and method for insulating or thermally protecting a rocket assembly

A rocket motor ablative material (e.g., an insulation liner, bulk material, or the like) of this invention is formed from, as a precursor of the carbon reinforcement structure, one or more polyarylamides configured as a suitable reinforcing structure, such as a yarn, flock, and/or felt. Aramid yarns...

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Bibliographische Detailangaben
1. Verfasser:	WILSON KENNETH P
Format:	Patent
Sprache:	eng
Schlagworte:	AEROPLANES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AIRCRAFT AVIATION BLASTING CHEMISTRY COMBUSTION ENGINES COMPOSITIONS BASED THEREON COSMONAUTICS GENERAL PROCESSES OF COMPOUNDING HEATING HELICOPTERS HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS JET-PROPULSION PLANTS LIGHTING MECHANICAL ENGINEERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING VEHICLES OR EQUIPMENT THEREFOR WEAPONS WORKING-UP
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Beschreibung
Zusammenfassung:	A rocket motor ablative material (e.g., an insulation liner, bulk material, or the like) of this invention is formed from, as a precursor of the carbon reinforcement structure, one or more polyarylamides configured as a suitable reinforcing structure, such as a yarn, flock, and/or felt. Aramid yarns can be prepared by twisting/spinning aramid filaments, and/or by carding and yarn-spinning staple aramid fibers. In particular, the insulation may be used, for example, for a rocket motor nozzle or as a rocket motor heat shield subjected to conditions comparable to those of continuous filament viscose rayon.