Binder resin for toner and toner

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...

Reexamination Certificate

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C430S109400, C430S109500

Reexamination Certificate

active

06916588

ABSTRACT:
A binder for a toner containing a polyester resin (A); and a block copolymer (B) comprising a block comprising a sequence of ethylene hydrocarbon and/or a conjugated diene hydrocarbon-derived constituent units, and a block comprising a sequence of styrene-derived constituent units; and/or the hydrogenated product of the block copolymer, i.e., the hydrogenated block copolymer. The binder can be used in a toner which can exhibit superior fixing properties, offset resistance, development durability or the like. Thus, it is possible to satisfy the needs of the markets that require a high-speed printer, low-temperature fixing properties or the like. Recycled PET products can also be used for raw materials, thus contributing to the recycle society.

REFERENCES:
patent: 5310796 (1994-05-01), Warren et al.
patent: 5384363 (1995-01-01), Yates, III
patent: 5462829 (1995-10-01), Tyagi et al.
patent: 1 011 031 (2000-06-01), None
patent: 04-250462 (1992-09-01), None
patent: 07-084407 (1995-03-01), None

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