Thermochromic color Memorability toner and box, image forming apparatus, box suit, the image forming apparatus for accommodating it are set with

Thermochromic color Memorability toner and box, image forming apparatus, box suit, the image forming apparatus for accommodating it are set with

  • CN 104,267,584 B
  • Filed: 11/13/2009
  • Issued: 01/22/2019
  • Est. Priority Date: 11/13/2009
  • Status: Active Grant
First Claim
Patent Images

1. a kind of Thermochromic color Memorability toner is at least to contain to include the combination of Thermochromic color MemorabilityMade of the microcapsules pigment and binding resin of object, the Thermochromic color Memorability composition is aobvious comprising (A) electronColor organic compound, (B) by electron compound and (C) as the chromogenic reaction for controlling (A), (B) reaction medium such as formula(1) compound represented, the microcapsules pigment show big hysteresis characteristic on color density-temperature curve and show colour developingThe enantiotropy of state and bleached state, and show following hysteresis characteristic:

  • during temperature rises under color status, reach temperatureSpend t3When start to fade, be higher than temperature t3Temperature t4It fades completely, in temperature t4Become complete in above temperature regionBleached state reaches during temperature declines under bleached state lower than the temperature t3Temperature t2When start to develop the color,Lower than temperature t2Temperature t1Colour developing completely, in temperature t1Become complete color status in temperature region below, in the temperatureSpend t2With temperature t3Between temperature region in visual confirmation to be selected from one of color status or bleached state state, whereinTemperature t1In the range of -50~0 DEG C, temperature t4In the range of 70~150 DEG C, the temperature t of the microcapsules pigment4With tuneThe softening point (S) of toner meets following formula;

    60 DEG C≤

    S+3 DEG C <

    t4,

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