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Processing and morphological development of carbon black filled conducting blends using a binary host of poly(styrene co-acrylonitrile) and poly(styrene)
journal contribution
posted on 2000-12-01, 00:00 authored by K Cheah, Maria ForsythMaria Forsyth, G SimonThe effects of host/filler interactions, processing, and morphological development of low percolation threshold (Φc) conducting blends were investigated. It was found that the value of Φc was dramatically reduced by the isolation of the carbon black (CB) conducting filler at the cocontinuous interface of a binary poly(styrene) (PS) and poly(styrene co-acrylonitrile) (SAN) insulating host, resulting in a multiple percolation effect. Accumulation of the filler at the interface was possible due to the incompatibility of the CB filler with the PS phase and partial compatibility with the SAN phase. The best results were obtained by initially dispersing the CB in the PS phase during melt- blending, followed by the addition of the SAN phase.
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Journal
Journal of Polymer Science Part B: Polymer PhysicsVolume
38Issue
23Pagination
3106 - 3119Publisher
John Wiley & SonsLocation
Hoboken, N.J.ISSN
0887-6266eISSN
1099-0488Language
engPublication classification
C1.1 Refereed article in a scholarly journalCopyright notice
2000, John Wiley & Sons, Inc.Usage metrics
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