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Base-hydrolyzed starch-polyacrylonitrile (S-PAN)graft copolymer. S-PAN-1:1, PAN M.W. 794,000

Tipo de material: TextoTextoSeries ; Journal of Applied Polymer Science, 13(9), p.2007-2017, 1969Trabajos contenidos:
  • Gugliemelli, L.A
  • Weaver, M.O
  • Russell, C.R
  • Rist, C.E
Recursos en línea: Resumen: Starch-polyacrylonitrile (S-PAN)graft copolymer consisting of one part starch and one part polyacrylonitrile (M. W. 794,000)was hydrolyzed with aqueous KOH at 80 and 100°C to polyelectrolytes containing carboxyl and amide functionality but void of infrared-detectable amounts of nitrile. Viscosities of potassium salts of the polyelectrolytes in water were pH dependent with peak viscosities at 8.5. These dispersions were characterized by unusually high viscosities, 15,000 to 26,500 cp at 1
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Starch-polyacrylonitrile (S-PAN)graft copolymer consisting of one part starch and one part polyacrylonitrile (M. W. 794,000)was hydrolyzed with aqueous KOH at 80 and 100°C to polyelectrolytes containing carboxyl and amide functionality but void of infrared-detectable amounts of nitrile. Viscosities of potassium salts of the polyelectrolytes in water were pH dependent with peak viscosities at 8.5. These dispersions were characterized by unusually high viscosities, 15,000 to 26,500 cp at 1

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