Accession Number:

ADA183634

Title:

Dioxouranium(VI) Dicarboxylate Polymers: Synthesis and Characterization of Tractable Coordination Polymers and Evidence for Rigid Rod Confirmation.

Descriptive Note:

Technical rept.,

Corporate Author:

MASSACHUSETTS UNIV AMHERST DEPT OF CHEMISTRY

Personal Author(s):

• Hardiman,Christopher J.
• Archer,Ronald D.

Report Date:

1987-02-28

Pagination or Media Count:

44.0

Abstract:

A series of polymeric dicarboxylato dioxouranium VI species have been synthesized via an equilibrium controlled solution reaction where bisacetatodioxouranium VI dihydrate undergoes an acid interchange with a dicarboxylic acid. The solution synthesized species have number average molecular weights of up to 1.8 x 10 to the 4th power based on end group analysis, gel permeation chromatography, inherent viscosity and elemental analysis. The empirical Mark-Houwink relation of viscosity to molecular weight has been demonstrated for poly3,3-dimethyl-pentanedionatodimethyl sulfoxide dioxouranium VI which is indicative of rigid rod conformation. This series has also been prepared interfacially where the disodium salt of a dicarboxylic acid in an aqueous phase reacted with bisnitratodioxouranium VI hexahydrate in diethyl ether. Keywords Polymers, Uranium, Carboxylic acids, Diuranyl, Metal-containing polymers.

Descriptors:

• *URANIUM COMPOUNDS
• LIQUIDS
• CARBOXYLIC ACIDS
• MOLECULAR WEIGHT
• POLYMERS
• ETHERS
• ETHYL RADICALS
• GEL PERMEATION CHROMATOGRAPHY
• RIGIDITY
• RODS
• SOLUTIONS(GENERAL)
• SYNTHESIS
• CARBOXYL GROUPS
• POLYMERIZATION
• SYNTHESIS(CHEMISTRY)
• HEAVY METALS
• RADIATION CHEMISTRY
• STEREOCHEMISTRY
• CHELATE COMPOUNDS
• MICROSTRUCTURE
• VISCOSITY

Subject Categories:

• Inorganic Chemistry

Distribution Statement:

APPROVED FOR PUBLIC RELEASE