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Investigation of Thiazole Polymers for Heat-Resistant Fibers and Films: I. Syntheses and Properties of Polymers

Report Number: ASD TDR 62-964, p. 13-38
Author: Sheehan, W, C,
Author: Cole, T. B.*
Author: Dollar, J. L.
Corporate Author: Southern Research Institute
Laboratory: Directorate of Materials & Processes
Date of Publication: 1963-01
Pages: 26
Project: 7320 - Fibrous Materials for Decelerators and Structures
AD Number: See AD0299030

Abstract:
Seventeen thiazole polymers were prepared by the polycondensahon of α-bis-bromoketones with dithioamides, and the polymers were investigated for preparing heat-resistant fibers and films. Tough, stiff fibers and films were made from four of the polymers; however, each of these polymers melted below 300°C. The other polymers studied did not melt below 500°C, and they had excellent thermal stabilities, but they did not have good fiber-and film-forming properties because of their low molecular weights. All of the polymers prepared had some crystallinity Two of the polymers were soluble in organic solvents; the others were soluble only in strong acids.


Provenance:
Lockheed Martin Missiles & Fire Control
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