Carrier bead coating compositions

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1976-03-24

1977-08-02

Smith, Ronald H.

Gas separation: apparatus

Magnetic separating means

252 621P, 427 19, 428405, 428406, 428407, 526265, 526279, G03G 910, B32B 904

Patent

active

040393313

ABSTRACT:
A carrier particle for electrostatographic developer mixtures comprising a core having an average diameter between 30 and 1,000 microns surrounded by an outer layer of polymeric vinyl pyridine and an organo silane, silanol or siloxane having from 1 to 3 hydrolyzable groups and an organic group attached directly to a silicon atom containing an unsaturated carbon-to-carbon linkage. The carrier particle is used with small finely-divided toner particles to develop electrostatic latent images.

REFERENCES:
patent: 3466270 (1969-09-01), Cook
patent: 3526533 (1970-09-01), Jacknow et al.

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