发明名称 |
TONER, DEVELOPER, AND IMAGE FORMING APPARATUS |
摘要 |
A toner, including: a copolymerization resin, wherein the copolymerization resin includes: a unit derived from a polyester resin including a polycarboxylic acid having a valence of 2 or more and a polyol having a valence of 2 or more; and a unit derived from a resin having a polyhydroxycarboxylic acid skeleton, where the unit derived from the resin having a polyhydroxycarboxylic acid skeleton is bonded to the unit derived from the polyester resin via at least one of a urethane group and a urea group, and wherein the toner has a relative degree of crystallization of 10% or more and less than 50%. |
申请公布号 |
EP2956824(B1) |
申请公布日期 |
2017.03.08 |
申请号 |
EP20140752080 |
申请日期 |
2014.01.20 |
申请人 |
Ricoh Company, Ltd. |
发明人 |
SUGIMOTO, Tsuyoshi;YAMASHITA, Hiroshi;ASAHINA, Daisuke;CHIBA, Susumu;SEKIGUCHI, Satoyuki |
分类号 |
G03G9/087 |
主分类号 |
G03G9/087 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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