Conductive composite particles and processes for the preparation

Details Conductive composite particles and processes for the preparation Conductive composite particles and processes for the preparation

1991-11-15

1993-08-17

Lieberman, Paul

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

430137, 252502, 252512, 252518, 252513, 252514, G03G 500, H01B 104, H01B 106, H01B 102

Patent

active

052366294

ABSTRACT:
A process for the preparation of conductive submicron polymeric particles which comprises mixing at least one monomer with a polymerization initiator, a crosslinking component and a chain transfer component; effecting bulk polymerization until from about 10 to about 50 weight percent of the monomer has been polymerized; terminating polymerization by cooling the partially polymerized monomer; adding thereto from about 1 to about 50 weight percent of a conductive filler, or conductive fillers, followed by mixing thereof; dispersing the aforementioned mixture of conductive filler or fillers, and partially polymerized product in water containing a stabilizing component to obtain a suspension of particles with an average diameter of from about 0.05 to about 1 micron in water; polymerizing the resulting suspension by heating; and subsequently washing and drying the product.

REFERENCES:
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patent: 4415644 (1983-11-01), Tamaki et al.
patent: 4514485 (1985-04-01), Ushiyama et al.
patent: 4876169 (1989-10-01), Gruber et al.
patent: 4897332 (1990-01-01), Gibson et al.
patent: 4923776 (1990-05-01), Hedvall et al.
patent: 5015550 (1991-05-01), Creatura et al.
patent: 5043404 (1991-08-01), Mahabadi et al.
patent: 5104767 (1992-04-01), Nakamura

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