发明名称 |
Toner Comprising Colorant Wax Dispersion |
摘要 |
A toner including a resin; and a colorant wax comprising a plurality of colorant wax particles comprising a colorant core surrounded by a wax shell, wherein the colorant wax particles exhibit a particle size distribution of from about 150 nanometers to less than about 300 nanometers; and wherein the colorant wax is prepared by (a) melting and mixing a dry colorant with at least one wax to form a colorant concentrate, wherein the colorant concentrate contains at least 25 percent by weight of colorant; (b) milling the colorant concentrate of step (a) to form a milled colorant concentrate; (c) combining the milled colorant concentrate of (b) with water and dispersing to form the plurality of colorant wax particles; wherein the melting and mixing of step (a) and the milling of step (b) is done in an immersion media mill; and wherein the combining of step (c) is done using a piston homogenizer. |
申请公布号 |
US2015301463(A1) |
申请公布日期 |
2015.10.22 |
申请号 |
US201414256941 |
申请日期 |
2014.04.19 |
申请人 |
Xerox Corporation |
发明人 |
Lee Frank Ping-Hay;Veregin Richard P. N.;Qiu Shigang S.;D'Amato Michael J.;Magdalinis Aurelian Valeriu;Lawton David John William |
分类号 |
G03G9/08;G03G9/09 |
主分类号 |
G03G9/08 |
代理机构 |
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代理人 |
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主权项 |
1. A toner comprising:
a resin; and a colorant wax comprising a plurality of colorant wax particles comprising a colorant core surrounded by a wax shell, wherein the colorant wax particles exhibit a particle size distribution of from about 150 nanometers to less than about 300 nanometers; and wherein the colorant wax is prepared by (a) melting and mixing a colorant with at least one wax to form a colorant concentrate, wherein the colorant concentrate contains at least 25 percent by weight of colorant; (b) milling the colorant concentrate of step (a) to form a milled colorant concentrate; (c) combining the milled colorant concentrate of (b) with water and dispersing to form the plurality of colorant wax particles; wherein the melting and mixing of step (a) and the milling of step (b) is done in an immersion media mill; and wherein the combining of step (c) is done using a piston homogenizer. |
地址 |
Norwalk CT US |