Compositions – Electrically conductive or emissive compositions – Elemental carbon containing
Patent
1984-01-09
1985-10-22
Barr, Josephine L.
Compositions
Electrically conductive or emissive compositions
Elemental carbon containing
252502, 252506, 264105, H01B 106
Patent
active
045487405
ABSTRACT:
Conductive plastic parts having defined electrical properties within a relatively narrow range are produced by controlling the dosage relationship between a given plastic and a conductive material, such as long-chain conductive lampblack, as a function of an electrical value (i.e., surface resistance) measured at an extruded admixture of the plastic and conductive materials, rather than by a gravimetrical or volumetrical relation.
REFERENCES:
patent: 4243460 (1981-01-01), Nagler
patent: 4383942 (1983-05-01), Davenport
patent: 4423191 (1983-12-01), Haven et al.
patent: 4465616 (1984-08-01), Nelson et al.
patent: 4465617 (1984-08-01), Whipple et al.
Schmidt Hans-Friedrich
von Tomkewitsch Sybille
Barr Josephine L.
Siemens Aktiengesellschaft
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