Toner resin composition and toner

Details Toner resin composition and toner Toner resin composition and toner

1995-07-07

1997-01-28

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

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

G03G 9087

Patent

active

055976743

ABSTRACT:
A toner resin composition is provided which is superior in anti-offset properties, anti-smearing properties and low temperature fixability, has superior image stability even when the copier is used for a long duration of time, and is not prone to aggregation. The toner resin composition mainly comprises a vinyl-type copolymer(s) which contains a low polymer component which is cross-linked using a cross-linking agent comprising diacrylate or dimethacrylate obtained from a diol which has a linear chain with a carbon number of 5 or more with no branches, or a branch(es) with a carbon number of 1 or less and has a peak molecular weight in the molecular weight distribution curve of from about 4.times.10.sup.3 to 8.times.10.sup.4 and a non-cross-linked high polymer component which has a peak molecular weight in the molecular weight distribution curve of from about 1.times.10.sup.5 to 4.times.10.sup.6, wherein said vinyl-type copolymer mainly comprises styrene-type monomers with (meth)acrylic ester monomers and/or other vinyl-type monomers as structural units.

REFERENCES:
patent: 4966829 (1990-10-01), Yasuda et al.

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