A toner composition comprising a rosin-containing polyester

Details A toner composition comprising a rosin-containing polyester A toner composition comprising a rosin-containing polyester

1988-07-19

1990-11-06

Martin, Roland E.

Radiation imagery chemistry: process, composition, or product th

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

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

430109, 525 544, 527604, G03G 9087

Patent

active

049685759

ABSTRACT:
There are provided binder resins for use in toner compositions which comprise, as the main component thereof, a terminally blocked polyester in which the terminal hydroxyl groups of polyester polyol molecules are blocked by a rosin compound selected from the group consisting of rosin, hydrogenated rosin and disproportionated rosin and which has an acid value of not more than 4 KOH mg/g and a hydroxyl value of not more than 20 KOH mg/g as well as toner compositions comprising them in combination of a coloring agent and a charge control agent.

REFERENCES:
patent: 2555042 (1951-05-01), Krumbhaar
patent: 4507376 (1985-03-01), Makita et al.
patent: 4508806 (1985-04-01), Oseta et al.

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