Accession Number:

AD0477260

Title:

PHOSPHIMIDAZOLENE POLYMERS.

Descriptive Note:

Rept. for 1 Apr 62-31 Dec 64,

Corporate Author:

DIRECTORATE OF MATERIALS AND STRUCTURES RESEARCH AND DEVELOPMENT (GT BRIT)

Personal Author(s):

Report Date:

1965-10-01

Pagination or Media Count:

23.0

Abstract:

Simple low molecular weight model compounds containing the phosphimidazolene were prepared from o-diamines and phosphorus dichlorides or diamides. Attempts to prepare polymers containing this ring structure, either by linking together preformed rings or by a simultaneous ring closure polymerization reaction between an aromatic tetra-amine and a bisphosphonic dichloride, or a bisphosphonic diamide, gave incomplete reactions and cross-linking. The polymers obtained were in general brittle infusible solids and hydrolytically unstable. The preparation of some new diphosphorus compounds is described. Author

Subject Categories:

  • Polymer Chemistry
  • Plastics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE