Invention Grant
- Patent Title: Toner formulation using crystalline polyester encapsulated with a styrene acrylate latex formulation and method of preparing the same
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Application No.: US14937282Application Date: 2015-11-10
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Publication No.: US09671710B2Publication Date: 2017-06-06
- Inventor: Jing X Sun , Cory Nathan Hammond
- Applicant: LEXMARK INTERNATIONAL, INC.
- Applicant Address: US KY Lexington
- Assignee: LEXMARK INTERNATIONAL, INC.
- Current Assignee: LEXMARK INTERNATIONAL, INC.
- Current Assignee Address: US KY Lexington
- Main IPC: G03G9/09
- IPC: G03G9/09 ; G03G9/093 ; G03G9/08

Abstract:
The present disclosure relates to a chemically prepared toner composition including a toner particle having a core including a first polymer binder, an styrene acrylic encapsulated crystalline polyester latex, a pigment, a wax, and a shell formed around the core including a second polymer binder and method to make the same. The disclosed method of preparing the toner results in a change in the distribution of the components of the toner particle wherein the lower molecular weight resins, the pigment, and the wax are located away from the surface of the toner particle.
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