Method of manufacturing electrically conductive pressure-formed

Details Method of manufacturing electrically conductive pressure-formed Method of manufacturing electrically conductive pressure-formed

1988-08-24

1990-06-26

Barr, Josephine

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

252512, 252514, 524195, 524496, 524439, 524441, H01B 106

Patent

active

049370154

ABSTRACT:
The invention relates to a method of manufacturing plastic, electrically conductive pressure-formed plates from thermoplastic plastic particles which are mechanically formed. In this method, mechanically formed, thermoplastic particles each particle having maximum particle diameter in the range of about 1 mm to about 10 mm in the middle of said particle, are mechanically mixed with an amount of at least one electric-current-conducting substance sufficient to provide electrical conductivity. The electric-current-conducting substance is furnished in the form of a plurality of particulate, electrically conducting solid bodies, said mixing being effected in the temperature region below the glass temperature (Tg) of the thermoplastic plastic material of which the thermoplastic particles are comprised. The mixture thus produced is compressed to form plastic pressure-formed plates by means of a pressure-forming device.

REFERENCES:
patent: 2683669 (1954-07-01), Coler
patent: 2761854 (1956-09-01), Coler
patent: 3003975 (1961-10-01), Louis
patent: 3733385 (1973-05-01), Reddish
patent: 4051075 (1977-09-01), Smith-Johannsen et al.
patent: 4350652 (1982-09-01), Theysohn et al.
patent: 4399061 (1983-08-01), Sickert
patent: 4592861 (1986-06-01), Bekele et al.
patent: 4596669 (1986-06-01), Kleiner et al.
patent: 4778636 (1988-10-01), Krieg et al.

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