发明名称 Toner, image forming apparatus, image forming method and process cartridge using the toner
摘要 <p>A toner containing at least a binder resin, a releasing agent, and a colorant, wherein the binder resin contains at least a polyester resin (A) having a softening point Tm (A) of 120°C to 160°C, a polyester resin (B) having a softening point Tm (B) of 80°C or more and less than 120°C and a composite resin (C) containing a condensation polymerization monomer and an addition polymerization monomer, at least any one of the polyester resins (A) and (B) is a polyester resin prepared by condensation-polymerizing an alcohol component substantially composed of only aliphatic alcohol with a carboxylic acid component, and 65% or more of the alcohol component is 1,2-propanediol.</p>
申请公布号 EP1990683(A3) 申请公布日期 2009.01.21
申请号 EP20080155945 申请日期 2008.05.09
申请人 RICOH COMPANY, LTD. 发明人 NAKAYAMA, SHINYA;KOTSUGAI, AKIHIRO;SABU, AKIYOSHI;YAMASHITA, HIROSHI;YAMADA, HIROSHI;AWAMURA, JUNICHI;SUGIMOTO, TSUYOSHI
分类号 G03G9/087 主分类号 G03G9/087
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