Compositions – Electrically conductive or emissive compositions – Elemental carbon containing
Patent
1989-06-01
1993-03-23
Bell, Mark L.
Compositions
Electrically conductive or emissive compositions
Elemental carbon containing
219505, H01B 106
Patent
active
051961458
ABSTRACT:
The present invention provides a temperature self-controlling heating composition containing crystalline resins, elastomers and electrically conductive particles, and additional material for giving an affintiy to the resins and the elastomers if both are not compatible, in which the electrically conductive particles are stably dispersed in the medium of the resin and the elastomer, and the agglomeration of the dispersed particles can be prevented, even if the temperature exceeds the melting point of the crystalline resin because the apparent viscosity of the resin is not lowered so much by the network structure of the elastomers, so that the electrical resistance does not become lower even at such a high temperature.
REFERENCES:
patent: 3823217 (1974-07-01), Kampe
patent: 4177446 (1979-12-01), Diaz
patent: 4658121 (1987-04-01), Horsma et al.
patent: 4908156 (1990-03-01), Dalle et al.
patent: 4909960 (1990-03-01), Watanabe et al.
Hirai Nobuyuki
Ishii Takahito
Yamazaki Tadataka
Bell Mark L.
Jones Deborah
Matsushita Electric - Industrial Co., Ltd.
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