Binder for a toner comprising a polyester from rosin or hydrogen

Details Binder for a toner comprising a polyester from rosin or hydrogen Binder for a toner comprising a polyester from rosin or hydrogen

1989-08-23

1991-01-01

Kight, III, John

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

Synthetic resins

From natural resin or derivative reactant excluding tall oil...

530218, 524270, C08G 63183, C08G 6321

Patent

active

049819399

ABSTRACT:
This binder for toner preparation comprises as the main constituent thereof a polyester (X) composed of a polybasic acid component and a polyhydric alcohol component with a rosin-modified polyhydric alcohol (ab) introduced as part of the polyhydric alcohol component. The rosin-modified polyhydric alcohol is prepared in advance by reacting a polyhydric alcohol (a) having three or more hydroxyl groups with a rosin type compound (b).

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