Paint compositions

Details Paint compositions Paint compositions

1976-01-15

1977-07-12

Hayes, Lorenzo B.

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

106 84, 106287S, 106287SE, 252511, 260 37EP, 260 40R, 260 39R, 260 42, 427122, H01B 104

Patent

active

040352650

ABSTRACT:
This invention discloses paint compositions and the preparation of paint compositions which can be spread and dried to give electrically conductive films. The paint compositions contain colloidal carbon particles. The graphite is wet ground and this is found to give a particular shape to the resulting particles and a particle size distribution such that the dried conductive films have a low resistivity in the range of about 0.1 to 10 ohms/square. Such films produce useful heat outputs when relatively low voltage currents are passed through them and so they are suitable for application to the walls of a building for use as a central heating system.

REFERENCES:
patent: 3248237 (1966-04-01), Weldes et al.
patent: 3518116 (1970-06-01), Stock et al.
patent: 3639121 (1972-02-01), York

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