公开(公告)号：US09034548B2

公开(公告)日：2015-05-19

申请号：US13709746

申请日：2012-12-10

申请人： Ricoh Company, Ltd.

发明人： Tatsuru Moritani ,  Hiroshi Yamashita ,  Tsuyoshi Sugimoto ,  Daisuke Asahina ,  Rintaro Takahashi ,  Susumu Chiba

IPC分类号： G03G9/00 ,  G03G9/087 ,  G03G13/00 ,  G03G9/093

CPC分类号： G03G9/08728 ,  G03G9/08755 ,  G03G9/08764 ,  G03G9/08797 ,  G03G9/09321 ,  G03G9/09371 ,  G03G9/09378

摘要： A toner containing colorant, releasing agent, and binder resin containing crystalline polyester resin, and non-crystalline polyester resin containing urethane bond, urea bond, or both, the non-crystalline polyester resin containing first and second non-crystalline polyester resins, both containing urethane bond, or urea bond, or both, wherein monomers constituting the first non-crystalline polyester resin contains isocyanate monomer for forming the urethane bond, the urea bond, or the both, in an amount of 0.5 mol % or greater to total amount of the monomers, monomers constituting the second non-crystalline polyester resin contain isocyanate monomer for forming the urethane bond, the urea bond, or the both, in an amount of 0.5 mol % or greater to total amount of the monomers, the first non-crystalline polyester resin has Tg of −60° C. or higher but lower than 10° C., and the second non-crystalline polyester resin has Tg of 30° C. or higher but lower than 70° C.

摘要翻译： 含有着色剂，脱模剂和含有结晶性聚酯树脂的粘合剂树脂的调色剂，以及含有氨基甲酸酯键，脲键或二者的非结晶性聚酯树脂，含有第一和第二非结晶性聚酯树脂的非结晶性聚酯树脂均含有 氨基甲酸酯键或脲键，或两者，其中构成第一非结晶性聚酯树脂的单体含有用于形成氨基甲酸酯键的异氰酸酯单体，尿素键或二者，其量为0.5摩尔％以上 构成第二非结晶性聚酯树脂的单体单体含有形成氨基甲酸酯键的异氰酸酯单体，脲键或二者的单体量相对于单体的总量为0.5摩尔％以上的量，第一非结晶性 聚酯树脂的Tg为-60℃以上且低于10℃，第二非结晶性聚酯树脂的Tg为30℃以上且低于70℃。