Abstract
AbstractFibers of ordered aromatic copolyamides have been found to be exceptionally resistant to degradation at high temperatures. A typical member of this class of fibers has been selected for presentation to illustrate the high performance characteristics of these fibers. The selected polymer, containing ordered aromatic components with meta‐ and para‐benzanilide linkages, was spun into fibers from solution. The excellent heat stability of the fiber is demonstrated by its retention of strength at high temperatures and after prolonged exposures to elevated temperatures. Among other outstanding properties are its balance of tensile properties, resistance to hydrolysis and chemical degradation, high dielectric strength, and stability in ionizing radiation. Fabrics constructed from this fiber have good flexibility and abrasion resistance at elevated temperatures. The combination of high strength and durability at high temperatures should gain acceptance for this fiber in a variety of industrial and military applications including hot gas filter bags, belting, heat resistance clothing, electrical insulation in motors and transformers, and fabrics for parachute packs and harnesses.
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Schedule a callMore From: Journal of Polymer Science Part C: Polymer Symposia
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