H - Electricity – 01 – B
Patent
H - Electricity
01
B
400/5145, 204/91
H01B 1/24 (2006.01) H01C 7/02 (2006.01)
Patent
CA 1302609
MP1095COM FF CONDUCTIVE POLYMER COMPOSITIONS ABSTRACT OF THE DISCLOSURE Conductive polymer compositions comprising a matrix polymer and a conductive particulate filler dispersed in the matrix polymer. At least some of the filler particles comprise a polymer and a homogeneous filler, eg. carbon black, dispersed therein. Preferably the filler is highly cross-linked so that it has a hot modulus of at least 250 psi (17.5 kg/cm2) and is then dispersed in a melt-shapeable polymer. In this way it is possible to make conductive polymer compositions of high resistivity, eg. at least 1,000 ohm-cm, with a high degree of reproduceability. Alternatively, the matrix polymer has a hot modulus of at least 250 psi (17.5 kg/cm2) and is sintered.
527178
Barma Pradeep
Rosenzweig Nachum
Fetherstonhaugh & Co.
Raychem Corporation
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