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Preparation and Characterization of Head-to-Head Polymers. 5. Head-to-Head Polystyrene

Tipo de material: TextoTextoSeries ; Macromolecules, 10(6), p.1331-1339, 1977Trabajos contenidos:
  • Inoue, H
  • Helbig, M
  • Vogl, O
Recursos en línea: Resumen: Head-to-head (H-H)polystyrene was obtained by radical 1,4-polymerization of 2,3-diphenylbutadiene followed by selective hydrogenation with potassium and ethanol. The chemical, physical, and thermal properties of H-H polystyrene were studied and compared with those of both atactic and isotactic head-to-tail (H-T)polystyrene. The T, of the H-H polymer was found to be nearly the same as the T, of the atactic H-T polymer. The degradation behavior of H-H and H-T polystyrene was also very similar indicating that both types of linkages are of comparable stability.
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Head-to-head (H-H)polystyrene was obtained by radical 1,4-polymerization of 2,3-diphenylbutadiene followed by selective hydrogenation with potassium and ethanol. The chemical, physical, and thermal properties of H-H polystyrene were studied and compared with those of both atactic and isotactic head-to-tail (H-T)polystyrene. The T, of the H-H polymer was found to be nearly the same as the T, of the atactic H-T polymer. The degradation behavior of H-H and H-T polystyrene was also very similar indicating that both types of linkages are of comparable stability.

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