Rosin modified styrene acrylic resin

Details Rosin modified styrene acrylic resin Rosin modified styrene acrylic resin

1989-01-19

1991-05-28

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

525289, 525 5444, 5262383, C08G 6348, C04F27700

Patent

active

050196227

ABSTRACT:
A rosin modified acrylic resin for use in a toner composition is provided. The resin is prepared by steam stripping a mixture of solution polymerized styrene-acrylic copolymer rosin, and a suitable solvent, such as toluene or xylene, followed by cooling and grinding to form the styrene acrylic-rosin resin. This binder resin can be used in a toner composition which, due to the resin, has an inherent positive charge of at least 2.0.

REFERENCES:
patent: 2574847 (1951-11-01), Schertz
patent: 3926893 (1975-12-01), Woodward
patent: 4162997 (1979-07-01), Welsh
patent: 4195169 (1980-03-01), Priddy
patent: 4418191 (1983-11-01), Irvin
patent: 4423207 (1983-12-01), Flock et al.
patent: 4535049 (1985-08-01), Honda et al.
patent: 4681909 (1987-07-01), Ohta et al.

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