Electrostatic latent image developing toner and method for producing the same, and electrostatic latent image developer, toner cartridge, process cartridge and image forming apparatus

Electrostatic latent image developing toner and method for producing the same, and electrostatic latent image developer, toner cartridge, process cartridge and image forming apparatus

  • CN 101,140,431 B
  • Filed: 04/18/2007
  • Issued: 09/26/2012
  • Est. Priority Date: 09/05/2006
  • Status: Active Grant
First Claim
Patent Images

1. developing toner for electrostatic latent images;

  • Said developing toner for electrostatic latent images contains non-crystalline resin, has the crystalline resin and the colorant of 50 ℃



    100 ℃

    fusing point;

    And satisfied relation by following formula (1) expression;

    Wherein, A representes the content in quality % of said crystalline resin in whole toners, and B representes the content in quality % of said crystalline resin in minute grade toner;

    Grade toner was through said toner classification being made the volume average particle size of this toner is the toner that (1/5) * D50T~

    (2/3) * D50T makes in said minute;

    Wherein, D50T representes the volume average particle size of whole toners, and said formula (1) is;

    50≤

    (B/A) * 100≤

    90---formula (1).

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