Accession Number:

AD0445844

Title:

PHOSPHORANE POLYMERS. PART I.

Descriptive Note:

Rept. for Apr 63-Apr 64,

Corporate Author:

AMERICAN POTASH AND CHEMICAL CORP WHITTIER CA

Report Date:

1964-07-31

Pagination or Media Count:

75.0

Abstract:

Initial preparations of polyphosphorane polymers based on phenylphosphonyl diazide and several bis-tertiary phosphines were carried out. The thermal stability of the polymer based upon an aromatic linked bis-tertiary phosphine was found to be considerably higher than that of the corresponding methylene-linked polymers approximate beginning of decomposition at 477 C. and 278 C., respectively. In addition, a series of mono-and bisphosphon-, sulfon-, and silylimidophosphorane polymer prototypes has been prepared. Thermal and hydrolytic properties of these materials have been investigated. Bis-phosphoranes based upon p-phenylene and 4,4-biphenylene bistertiary phosphines were found to have the highest approximate beginnings of decomposition by differential thermal analysis of approximately 465 C. and 460-475 C. Various functionally substituted phosphoranes were also prepared in order to investigate potential methods for the cross-linking of phosphorane chains as well as to investigate methods for the synthesis of desired intermediates. Author

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE