Compositions – Electrically conductive or emissive compositions – Elemental carbon containing
Patent
1988-09-20
1992-03-03
Barr, Josephine
Compositions
Electrically conductive or emissive compositions
Elemental carbon containing
524495, 524496, H01B 106
Patent
active
050930362
ABSTRACT:
A polymer thick film ink which exhibits PTC behavior comprising an organic polymer which is crystalline, an active solvent suitable for dissolving the polymer, and carbon black which has a pH of less than 4.0. The ink is particularly useful in producing electrical devices such as heaters and circuit protection devices.
REFERENCES:
patent: 4482476 (1984-11-01), Yoshimura et al.
patent: 4491536 (1985-01-01), Tomoda et al.
patent: 4628187 (1986-12-01), Sekiguchi et al.
patent: 4722853 (1988-02-01), Batliwalla et al.
patent: 4818439 (1989-04-01), Blackledge et al.
"Cabot Carbon Blacks for Ink, Paint, Plastics, Paper:", Technical Report S-36, Cabot Corporation, May, 1983.
Dharia Amitkumar N.
McCarty Gordon
Oswal Ravinder K.
Shafe Jeff
Straley O. James
Barr Josephine
Burkard Herbert G.
Gerstner Marguerite E.
Raychem Corporation
Richardson Timothy H. P.
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