Developer roller with semiconductive additive comprising a rubbe

Details Developer roller with semiconductive additive comprising a rubbe Developer roller with semiconductive additive comprising a rubbe

1990-05-25

1992-07-21

Lieberman, Paul

Compositions

Electrically conductive or emissive compositions

29132, 428375, 428379, 428390, 252 50, 524236, H01B 120

Patent

active

051320509

ABSTRACT:
A rubber developer roller having a quaternary ammonium material as an antistatic agent to achieve an approximately one order of magnitude increase in the level of conductivity. This provides consistent printing over a range of temperatures of operation, particularly at start-up when the printer has not reached its designed operating temperature, and over a range of environmental conditions. This roller also permits the increase of print speed.

REFERENCES:
patent: 3959574 (1976-05-01), Seanor et al.
patent: 4058879 (1977-11-01), Lentz et al.
patent: 4100884 (1978-07-01), Mochizuki et al.
patent: 4317265 (1982-03-01), Chase et al.
patent: 4323634 (1982-04-01), Jadwin
patent: 4710015 (1987-12-01), Takeda et al.
patent: 5091452 (1992-02-01), Ko et al.

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