Toner for electrophotography

Details Toner for electrophotography Toner for electrophotography

1998-10-13

2000-07-11

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

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

4301066, 430111, G03G 9087

Patent

active

060870583

ABSTRACT:
A toner for electrophotography including a binder resin and a colorant, in which the binder resin includes as a main component a thermoplastic resin, which is a linear polyester prepared by using upon polymerization in an amount of 20 mol % or more in an entire alcohol component at least one of the following alcohol components (A) a bisphenol A having polyoxypropylene group containing 90% or more of the compound represented by the general formula (I): ##STR1## wherein each of m and n is 0 to 2, m+n being 2.0; and (B) a bisphenol A having polyoxyethylene group containing 88% or more of the compound represented by the general formula (II): ##STR2## wherein each of p and q is 0 to 2, p+q being 2.0.

REFERENCES:
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patent: 5478686 (1995-12-01), Kawakami et al.
patent: 5587265 (1996-12-01), Nakadera et al.
patent: 5814428 (1998-09-01), Kido et al.
patent: 5830979 (1998-11-01), Nakayama et al.
patent: 5902709 (1999-05-01), Nakayama et al.
Derwent Abstract of JP 10-104878 (Apr. 24, 1998).

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