Accession Number : ADA115107

Title :   Syntheses of Phosphatriazines for Potential High Temperature Fluids and Elastomers Applications.

Descriptive Note : Final rept.,


Personal Author(s) : Paciorek,K L ; Ito,T I ; Nakahara,J H ; Harris,D H ; Kratzer,R H

PDF Url : ADA115107

Report Date : 30 Apr 1982

Pagination or Media Count : 38

Abstract : The symmetrical and unsymmetrical tetraazacyclooctooctatetraenes were found to be thermally less stable than the analogously substituted six-membered phospha-s-triazines. Both materials at 316 degrees C underwent transformation to phospha-s-triazines; the symmetrical arrangement giving diphospha-s-triazine and the corresponding nitrile; the unsymmetrical isomer forming monophospha-s-triazine and diphenylphosphazene trimer. No polymeric compounds could be synthesized having the symmetrical octatetraene ring arrangement as a chain component; only bicyclics were formed. Unsymmetrical polydiphosphatetraaza-cyclooctatetraenes having thermal and thermal oxidative stabilities directly comparable to those of their monomeric analogues were successfully prepared.

Descriptors :   *Synthesis(Chemistry), *Phosphazene, *Triazines, *Lubricants, Elastomers, Corrosion inhibition, High temperature, Additives, Thermal stability, Oxidation, Molecular structure, Polymers, Fluids

Subject Categories : Polymer Chemistry

Distribution Statement : APPROVED FOR PUBLIC RELEASE