Toner manufacturing method
AssigneeEastman Kodak Company
InventorsMridula Nair, David C. Boris, Charles P. Lusignan, Dennis J. Massa, Tamara K. Jones, Anita M. Fees
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Abstract
The present invention is a method of manufacturing toner particles that includes providing a first emulsion of a first aqueous phase comprising a pore stabilizing hydrocolloid dispersed in an organic solution containing a polymer. The first emulsion is dispersed in a second aqueous phase to form a second emulsion that is sheared in the presence of a stabilizing agent to form droplets of the first emulsion in the second aqueous phase. The organic solution is evaporated from the droplets to form porous toner particles.
Claims19
A method of manufacturing toner particles comprising:
- providing a first emulsion of a first aqueous phase comprising a pore stabilizing hydrocolloid dispersed in an organic solution containing a polymer;
- dispersing the first emulsion in a second aqueous phase;
- shearing the second emulsion in the presence of a stabilizing agent to form droplets of the first emulsion in the second aqueous phase;
- and
- evaporating the organic solution from the droplets to form toner particles.
A method of manufacturing polymer particles comprising:
- providing a first emulsion of a first aqueous phase comprising a pore stabilizing hydrocolloid dispersed in an organic solution containing water-immiscible polymerizable monomers and a polymerization initiator;
- dispersing the first emulsion in a second aqueous phase;
- shearing the second emulsion in the presence of a stabilizing agent to form droplets of the first emulsion in the second aqueous phase;
- polymerizing the monomers to form droplets of polymer particles;
- and
- evaporating the organic solution from the droplets of polymer particles.
A method of manufacturing polymer particles comprising:
- providing a first emulsion of a first aqueous phase comprising a pore stabilizing hydrocolloid dispersed in a mixture of water-immiscible polymerizable monomers and a polymerization initiator;
- dispersing the first emulsion in a second aqueous phase;
- shearing the second emulsion in the presence of a stabilizing agent to form droplets of the first emulsion in the second aqueous phase;
- and
- polymerizing the monomers to form droplets of polymer particles.
Dependencies are inferred from the claim text.