Developer for developing electrostatic latent images contains vi

Details Developer for developing electrostatic latent images contains vi Developer for developing electrostatic latent images contains vi

1986-01-03

1987-05-19

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

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

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

430125, G03G 908

Patent

active

046668136

ABSTRACT:
A developer for developing electrostatic latent images, comprising toner particles and particles of a fluorine-containing substance as represented by a vinylidene fluoride polymer having a specific randomness in molecular structure or crystalline structure. The randomness of the vinylidene fluoride polymer is defined by the absorption peak ratio in the F.sup.19 nuclear magnetic resonance spectrum in acetone or by the absolute .beta.-crystal content of the vinylidene fluoride polymer. The vinylidene fluoride polymer provides a friction reducing characteristic to the developer while retaining good developing characteristic under various conditions.

REFERENCES:
patent: 3761413 (1973-09-01), Hulse
patent: 4051077 (1977-09-01), Fisher
patent: 4139483 (1979-02-01), Williams et al.
patent: 4187329 (1980-02-01), Crooks
patent: 4423192 (1983-12-01), Van Lang et al.

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