Durable carrier coating compositions comprising polysulfone

Details Durable carrier coating compositions comprising polysulfone Durable carrier coating compositions comprising polysulfone

1976-01-30

1977-10-11

Smith, Ronald H.

Gas separation: apparatus

Magnetic separating means

252 621P, 427 14, 427216, 427221, 428406, 428407, G03G 1308, G03G 910, B32B 1508, B32B 2714

Patent

active

040533107

ABSTRACT:
A carrier particle for electrostatographic developer mixtures comprising a core having a thin, wear-resistant coating of a polysulfone. The carrier coating is durable and resistant to mechanical degradation. The carrier particle is used in conjunction with finely-divided toner particles to develop electrostatic latent images.

REFERENCES:
patent: 3676814 (1972-07-01), Trunzo et al.
patent: 3694359 (1972-09-01), Merrill et al.
patent: 3873492 (1975-03-01), Takehisa et al.

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