Compositions – Electrically conductive or emissive compositions – Elemental carbon containing
Patent
1985-11-13
1987-04-07
Barr, Josephine L.
Compositions
Electrically conductive or emissive compositions
Elemental carbon containing
524495, 524496, 525 72, 525276, H01B 106
Patent
active
046559639
ABSTRACT:
Disclosed is an electroconductive and thermoplastic resin composition which is comprised of 99-80 parts by weight of a fluorine-containing graft copolymer and 1-20 parts by weight of carbon black. The graft copolymer is one obtained by graft copolymerization of a fluorine-containing monomer that gives a crystalline polymer, such as vinylidene fluoride, with a fluorine-containing elastomeric copolymer having peroxy bond, such as a ternary copolymer of vinylidene fluoride, chlorotrifluoroethylene and an unsaturated peroxy compound. To attain good conductivity while maintaining favorable mechanical properties of the fluorine-containing graft copolymer, it is essential to use a carbon black which is not smaller than 500 m.sup.2 /g in specific surface area and not smaller than 250 ml/100 g in oil absorption.
REFERENCES:
patent: 4472557 (1984-09-01), Kawashima et al.
patent: 4482476 (1984-11-01), Yoshimura et al.
patent: 4491536 (1985-01-01), Tomeda et al.
patent: 4581406 (1986-04-01), Hedberg et al.
patent: 4592861 (1986-06-01), Bekele et al.
Koga Yasufumi
Maeda Kazuhiko
Ogasawara Shinji
Barr Josephine L.
Central Glass Company Limited
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