发明名称 ELECTROSTATIC LATENT IMAGE DEVELOPING TONER
摘要 An electrostatic latent image developing toner includes toner particles each including a toner core and a shell layer. The shell layer includes first and second domains. The first domain includes a first copolymer of a first main monomer having a mole fraction of at least 20 mol % and one or more first additional monomers each having a mole fraction of less than 20 mol %. The second domain includes a second copolymer of a second main monomer having a mole fraction of at least 20 mol % and one or more second additional monomers each having a mole fraction of less than 20 mol %. A difference in polymer SP value between the first and second main monomers is at least 0.5 and no greater than 5.0. The first and second additional monomers each include one or more common monomers having a homopolymerization glass transition point of no greater than −20° C.
申请公布号 US2017090315(A1) 申请公布日期 2017.03.30
申请号 US201615278361 申请日期 2016.09.28
申请人 KYOCERA Document Solutions Inc. 发明人 TSUJIHIRO Masami
分类号 G03G9/08;G03G9/087;G03G9/09;G03G9/093 主分类号 G03G9/08
代理机构 代理人
主权项 1. An electrostatic latent image developing toner comprising a plurality of toner particles each including a core and a shell layer disposed over a surface of the core, wherein the shell layer has a first domain and a second domain, the first domain includes a first copolymer of one or more first main monomers and one or more first additional monomers, the one or more first main monomers each being a monomer having a mole fraction of at least 20 mol %, the one or more first additional monomers each being a monomer having a mole fraction of less than 20 mol %, the second domain includes a second copolymer of one or more second main monomers and one or more second additional monomers, the one or more second main monomers each being a monomer having a mole fraction of at least 20 mol %, the one or more second additional monomers each being a monomer having a mole fraction of less than 20 mol %, a difference in polymer SP value between the one or more first main monomers and the one or more second main monomers calculated according to Fedors' method is at least 0.5 and no greater than 5.0, and the one or more first additional monomers and the one or more second additional monomers each include one or more common monomers each having a homopolymerization glass transition point of no greater than −20° C.
地址 Osaka JP