Toner for developing electrostatic image and process for product

Details Toner for developing electrostatic image and process for product Toner for developing electrostatic image and process for product

1994-05-17

1996-04-23

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

430137, G03G 9087

Patent

active

055102220

ABSTRACT:
A toner for developing an electrostatic latent image is constituted by a binder resin, a colorant, and an ester compound (a), (b) or (c) shown below: (a) a poly-functional ester having a tertiary carbon or/and a quaternary carbon and obtained from an alcohol compound or carboxylic compound having at least two functional groups, (b) a mono-functional ester having a tertiary carbon or/and a quaternary carbon, or (c) a poly-functional ester of a specific structure having a primary or secondary carbon having at least two functional groups. The ester compound is characterized by a good affinity with the binder resin, a high hydrophobicity and a low crystallinity, thereby providing a toner which shows good low-temperature fixability, anti-offset characteristic, color-mixing characteristic and transparency.

REFERENCES:
patent: 2297691 (1947-10-01), Carlson
patent: 3653893 (1972-04-01), Jacknow et al.
patent: 3666363 (1972-05-01), Tanaka et al.
patent: 4071361 (1978-01-01), Marushima
patent: 4299899 (1981-11-01), Azar et al.
patent: 5342722 (1994-08-01), Ito et al.
patent: 5342724 (1994-08-01), Wilson
patent: 5366839 (1994-11-01), Aoki
patent: 5368968 (1994-11-01), Wehrmann et al.

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