Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1993-10-28
1995-05-09
Martin, Roland
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430137, G03G 9097
Patent
active
054138906
ABSTRACT:
This invention discloses a toner characterized by the toner particles thereof severally possessing a sea-island-lake structure wherein a crystalline (meth)acrylic ester type polymer is present in the form of a plurality of domains in a matrix of a binder resin and a portion of the binder resin is present in the form of a plurality of domains in each of the domains of the polymer. The melt viscosity of the crystalline (meth)acrylic ester type polymer is not less than 50 cPs at 140.degree. C. The toner combines an ability to resist the phenomenon of offset with ideal particle flowability, stability of storage, and charging characteristics.
REFERENCES:
patent: 3853778 (1974-12-01), Buckley et al.
patent: 3974078 (1976-08-01), Crystal
patent: 4027048 (1977-05-01), Crystal
patent: 4514487 (1985-04-01), Kasuya et al.
patent: 5202215 (1993-04-01), Kanakura et al.
Kushino Mitsuo
Mori Yoshikuni
Behr Omri M.
Martin Roland
McDonald Matthew J.
Nippon Shokubai Co. , Ltd.
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