Toner for developing electrostatic image containing crosslined s

Details Toner for developing electrostatic image containing crosslined s Toner for developing electrostatic image containing crosslined s

1996-05-15

1998-05-19

Rodee, Christopher D.

Radiation imagery chemistry: process, composition, or product th

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

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

430110, G03G 9087

Patent

active

057533997

ABSTRACT:
A toner for developing an electrostatic image includes: 100 wt. parts of a binder resin, 1-150 wt. parts of a colorant and a relatively large amount of 5-40 wt. parts of a low-softening point substance. The toner is further characterized by viscoelastic properties including: a storage modulus at 60.degree. C. (G'.sub.60) and a storage modulus at 80.degree. C. (G'.sub.80) providing a ratio (G'.sub.60 /G'.sub.80) of at least 80, and a storage modulus at 155.degree. C. (G'.sub.155) and a storage modulus at 190.degree. C. (G'.sub.190) providing a ratio (G'.sub.155 /G'.sub.190) of 0.95-5. As a result, the toner shows good low-temperature fixability and anti-offset characteristic, and also little temperature-dependence of gloss.

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Sperling, LH. Introduction to Physical Polymer Science. New York: John-Wiley & Sons, pp. 230 & 236-238, 1986.
Grant, Roger & Claire Grant. Grant & Hackh's Chemical Dictionary. New York: McGraw-Hill, Inc. p. 116, 1987.

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