Water-Soluble Copolymers .47. Copolymerization of Maleic Anhydride and N-Vinylformamide
Polymers and High Performance Materials
The free-radical copolymerization of maleic anhydride (MA) and N-vinylformamide (NVF) in homogeneous solution has been studied in the range from 10 to 90 mol % NVF in the feed. The copolymer compositions have been determined from elemental analysis and C-13 NMR. Reactivity ratios were calculated by Fineman-Ross, Kelen-Tudos, and nonlinear least-squares methods and indicate that the monomer pair has a strong tendency to alternate. MA and NVF were found to form a charge-transfer complex in both chloroform and THF. The equilibrium constant and composition of the charge-transfer complex were calculated from the modified Benesi-Hildebrand equation.
McCormick, C. L.
(1993). Water-Soluble Copolymers .47. Copolymerization of Maleic Anhydride and N-Vinylformamide. Macromolecules, 26(18), 4814-4817.
Available at: http://aquila.usm.edu/fac_pubs/6646