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US 2012/0236064 A1Published application
Solvent Based Magnetic Ink Comprising Carbon Coated Magnetic Nanoparticles And Process For Preparing Same
AssigneeXerox Corporation
InventorsGabriel Iftime, Peter G. Odell, C. Geoffrey Allen, Richard P.N. Veregin, Marcel P. Breton, Guiqin Song
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Abstract
A magnetic ink including an organic solvent; an optional dispersant; an optional synergist; an optional antioxidant; an optional viscosity controlling agent; an optional colorant; an optional binder; and a carbon coated magnetic nanoparticle comprising a magnetic core and a carbon shell disposed thereover.
Claims20
A magnetic ink comprising:
- an organic solvent;
- an optional dispersant;
- an optional synergist;
- an optional antioxidant;
- an optional viscosity controlling agent;
- an optional colorant;
- an optional binder;
- and
- a carbon coated magnetic nanoparticle comprising a magnetic core and a carbon shell disposed thereover.
6 more elements
A process for preparing a magnetic ink comprising:
- (a) preparing a solution by combining an organic solvent, an optional dispersant, an optional synergist, and an optional colorant;
- (b) combining the solution of (a) with a carbon coated magnetic nanoparticle comprising a magnetic core and a carbon shell disposed thereover;
- (c) optionally, adding a viscosity controlling agent, an antioxidant, a binder, or a combination thereof;
- and
- (d) optionally, filtering the ink.
2 more elements
A process which comprises:
- (1) incorporating into an ink jet printing apparatus a magnetic ink comprising an organic solvent;
- an optional dispersant;
- an optional synergist;
- an optional antioxidant;
- an optional viscosity controlling agent;
- an optional colorant;
- an optional binder;
- and a carbon coated magnetic nanoparticle comprising a magnetic core and a carbon shell disposed thereover;
- and
- (2) causing droplets of the ink to be ejected in an imagewise pattern onto a substrate.
7 more elements
Dependencies are inferred from the claim text.