Block copolymer containing binder composition and electro photog

Details Block copolymer containing binder composition and electro photog Block copolymer containing binder composition and electro photog

1995-09-08

1997-06-24

Rodee, Christopher D.

Radiation imagery chemistry: process, composition, or product th

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

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

430109, 430904, 524488, G03G 9087, C08L 9106

Patent

active

056416024

ABSTRACT:
Intermediate binder composition for use in toner compositions, comprising (a) a block copolymer comprising one predominantly poly(monovinyl aromatic) block per molecule and one predominantly poly(conjugated diene) block per molecule, the latter blocks being selectively hydrogenated to a residual unsaturation degree of 20% or lower, in an amount of from 5 to 35% by weight relative to the weight of the intermediate binder composition, and a microcrystalline wax, having a weight average molecular weight of from 1000 to 10,000, and having a drop point of 75.degree. C. or higher (measured according to ASTM D 3104), in an amount of from 95 to 65% by weight relative to the weight of the binder composition. Also covered are electrophotographic toner compositions containing the intermediate binder composition and magnetizable particles.

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patent: 5486445 (1996-01-01), Van Dusen et al.
patent: 5510221 (1996-04-01), Matalevich et al.

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