Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1991-06-25
1994-01-25
McCamish, Marion E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430105, 430104, G03G 900
Patent
active
052815056
ABSTRACT:
A toner composition comprising a binder resin having dispersed therein additives including a colorant and a charge control agent, wherein said additives are present as agglomerates having an average sectional area of from 1.4 to 1.7 .mu.m.sup.2 in a section of toner particles, the total sectional area of the agglomerates in the section of toner particles ranging from 1.5 to 1.8%, or wherein said colorant and charge control agent are present as agglomerates having an average sectional area of from 1.4 to 1.7 .mu.m.sup.2 in a section of toner particles, and said composition has such rheological characteristics that a dissipation factor (tan .delta.) is from 0.95 to 1.25 when a storage elastic modulus (G') is 10.sup.4 dyne/cm.sup.2.
REFERENCES:
patent: 5104766 (1992-04-01), Nakano et al.
patent: 5110704 (1992-05-01), Inoue et al.
Chemical Abstracts 109(22):201421f, Tomita et al., Electrostatographic toner containing agglomerated colorant particles, 1988.
Inoue Masahide
Ishimaru Seijirou
Nakano Tetsuya
Shimizu Yoshitake
Teratani Teruaki
Chapman Mark A.
McCamish Marion E.
Mita Industrial Co. Ltd.
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