Reusable surface insulation containing polybenzazole

Details Reusable surface insulation containing polybenzazole Reusable surface insulation containing polybenzazole

2005-07-05

2005-07-05

Torres, Norca L. (Department: 1771)

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Woven fabric

Woven fabric including a nonwoven fabric layer other than paper

C442S136000, C442S172000, C442S219000, C442S268000, C442S274000, C442S301000, C442S320000, C442S324000

Reexamination Certificate

active

06914022

ABSTRACT:
A lightweight, flexible, layered insulation composed of glass or ceramic fabric covered with a ceramic coating and overlying an insulating felt made from needled polybenzazole (PBZ) material which is preferably polybenzoxazole (PBO), and which optionally contains a poly(1,3-phenylene isophtalamide) felt material, commercially known as Nomex™, either combined with the PBZ felt or layered beneath the PBZ felt as a separate layer. The insulation is readily applied to a reusable launch vehicle via a silicone adhesive.

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Demetrius Kourtides, Carol Carroll, Mike Guzinski, Jochen Marschall, Joan Pallix, Jerry Ridge, Dane Smith, and Duoc Tran; Evaluation Of Thermal Control Coatings for Flexible Ceramic Thermal Protection Systems; NASA Technical Memorandum 112199; Jul., 1997; 15 pgs.; National Aeronautics and Space Administration, Ames Research Center, Moffett Field, California.

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