Accession Number:

ADA070364

Title:

Flexible Metal Chelate Polymers Through Nonrigid Metal Centers.

Descriptive Note:

Final rept. 5 Apr 76-4 Apr 79,

Corporate Author:

MASSACHUSETTS UNIV AMHERST DEPT OF CHEMISTRY

Personal Author(s):

Report Date:

1979-05-30

Pagination or Media Count:

11.0

Abstract:

Flexible polymers from conjugated organic ligands and nonrigid metal centers have been synthesized and have been evaluated for thermal stability. A tungsten polymer, bis5,7-dichloro-8-quinolinolato-5,8-quinoxalinediolato-tungstenIV with number average molecular weight near 40,000 to 50,000 Daltons has been synthesized from the quinoxalinedione and a tungstenII intermediate. Several other polymers, monomers, and intermediates have also been investigated, where the metals range from molybdenum and tungsten to zirconium and the eight-coordinate centers are all N4O4 ligand donor sets, and with the seven-coordinate intermediate possessing carbon, phosphorus, nitrogen, oxygen, andor chlorine donors. The molybdenum and tungsten species appear to have energy-transfer potential. Author

Subject Categories:

  • Plastics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE