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Conducting composite using an immiscible polymer blend matrix

Tipo de material: TextoTextoSeries ; Synthetic Metals, 102, p.1232-1233, 1999Trabajos contenidos:
  • Cheah, K
  • Forsyth, M
  • Simon, G.P
Tema(s): Recursos en línea: Resumen: Carbon black (CB)fillers were used to study the feasibility of achieving multiple percolation using an immiscible (polar)polymer blend matrix By tailoring the morphology of the insulating dual phase matrix it has been shown that the pacolation threshold (0J can be reduced over single-phase matrices. Cocontinuity in the polymer matrix is important in reducing @, by either preferentially isolating the conducting filler at the interface of the two phases or within one particular continuous phase of the matrix thereby forming a continuous conducting network within a continuous network (multiple percolation). Actual melt processing time has been found to influence the dispersion of the tillers and hence @c. Polarity of the matrix as well as the processing method has also been found to influence the dispersion of the filler within the host polymer.
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Carbon black (CB)fillers were used to study the feasibility of achieving multiple percolation using an immiscible (polar)polymer blend matrix By tailoring the morphology of the insulating dual phase matrix it has been shown that the pacolation threshold (0J can be reduced over single-phase matrices. Cocontinuity in the polymer matrix is important in reducing @, by either preferentially isolating the conducting filler at the interface of the two phases or within one particular continuous phase of the matrix thereby forming a continuous conducting network within a continuous network (multiple percolation). Actual melt processing time has been found to influence the dispersion of the tillers and hence @c. Polarity of the matrix as well as the processing method has also been found to influence the dispersion of the filler within the host polymer.

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