Color toner

Color toner

  • CN 1,595,302 B
  • Filed: 09/09/2004
  • Issued: 12/07/2011
  • Est. Priority Date: 09/12/2003
  • Status: Active Grant
First Claim
Patent Images

1. a color toner wherein contains toner particle, and described toner particle contains toner master batch and the inorganic micro powder that comprises binder resin, colorant and wax at least, wherein,(i) diameter of equivalent circle is that the above average circularity of measuring through streaming particle image determinator to the particle below the 400 μ

  • m of 3.00 μ

    m is more than 0.920 and less than 0.950 in the toner particle;

    (ii) the diameter of equivalent circle of this toner particle be 3.00 μ

    m above to the particle below the 400 μ

    m circularity be that the number frequency aggregate-value of the particle more than 0.960 is below 40%;

    (iii) the diameter of equivalent circle of this toner particle be 3.00 μ

    m above to the particle below the 400 μ

    m circularity be that the number frequency aggregate-value of the particle below 0.920 is below 30%;

    The weight average particle diameter of described toner particle is 3~

    11 μ

    m, diameter of equivalent circle is that 0.60 μ

    m particle above and less than 3.00 μ

    m satisfies the relation of 0.1≤

    A<

    15.0 with respect to the amount A of toner particle total amount in the described toner particle, and A is the value by number %.

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