| 发明名称 |
TONER, DEVELOPER, AND IMAGE FORMING APPARATUS |
| 摘要 |
Provided is a toner including at least a polyester resin, wherein the polyester resin has a urethane bond and a urea bond, wherein a ratio (B)/(A) between a nitrogen content (A) in a compound that is contained in a pyrolysate of the toner produced when the toner is pyrolyzed from 50° C. to 700° C. and has two isocyanate groups and a nitrogen content (B) in a compound that is contained in the pyrolysate and has one isocyanate group and one amino group satisfies 0.6≦(B)/(A)≦1.3, and wherein a nitrogen content in the surface of the toner is from 0 atom % to 0.9 atom %. |
| 申请公布号 |
US2016187795(A1) |
申请公布日期 |
2016.06.30 |
| 申请号 |
US201514979408 |
申请日期 |
2015.12.27 |
| 申请人 |
SAITOH Akinori;SUGIMOTO Tsuyoshi;NAGAI Shinsuke;TAKEDA Hiroyuki;KADOTA Takahiro;TAKEYAMA Akihiro |
发明人 |
SAITOH Akinori;SUGIMOTO Tsuyoshi;NAGAI Shinsuke;TAKEDA Hiroyuki;KADOTA Takahiro;TAKEYAMA Akihiro |
| 分类号 |
G03G9/00;C08G65/08 |
主分类号 |
G03G9/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A toner comprising
a polyester resin, wherein the polyester resin comprises a urethane bond and a urea bond, wherein a ratio (B)/(A) between a nitrogen content (A) in a compound that is comprised in a pyrolysate of the toner produced when the toner is pyrolyzed from 50° C. to 700° C. and comprises two isocyanate groups and a nitrogen content (B) in a compound that is comprised in the pyrolysate and comprises one isocyanate group and one amino group satisfies 0.6≦(B)/(A)≦1.3, and wherein a nitrogen content in a surface of the toner is from 0 atom % to 0.9 atom %. |
| 地址 |
Shizuoka JP |
