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Phosphinoborine Polymers

Report Number: WADC TR 57-126 Part 5
Author(s): Ross I. Wagner; Anton B. Burg; Darwin L. Mayfield
Corporate Author: American Potash And Chemical Corp.
Date of Publication: 1961-05
Pages: 249
AD Number: AD0458476

Abstract:
In continuing research toward the development of thermally stable polymers based on the boron-tophosphorus bond system, experiments were conducted to find means of improving the thermal stability of linear phosphinoborine (borophane) polymers, and to introduce a variety of boron substituents into the linear and cyclic polymers. An investigation of the boron-to-nitrogen bond system led to two series of polycyclic borazene polymers one directly bonded and the other bonded through oxygen. Screening experiments on themally stable polymers systems based on phosphorus-to-nitrogen, phosphorus-to-oxygen- tosilicon, and carbon-to-oxygen-to-silicon bond systems were conducted.

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