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Patent Searching and Data


Title:
TONER, TONER CARTRIDGE, AND IMAGE-FORMING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/201115
Kind Code:
A1
Abstract:
A novel toner which is provided with storage stability and low-temperature fixing properties, contains particles containing a binder resin, a colorant and a wax, and which, when subjected to differential scanning calorimetry (DSC) which involves executing a temperature program including a step for increasing temperature (first temperature increase) from 40°C to at least 100°C at a temperature increase rate of 10°C/min., then decreasing temperature (first temperature decrease) to 40°C or below at a temperature decrease rate of 10°C/min., and then increasing temperature (second temperature increase) to at least 100°C at a temperature increase rate of 10°C/min., exhibits a total endothermic energy amount HA1 during the first temperature increase from 40°C to 100°C and a total endothermic energy amount HA2 during the second temperature increase from 40°C to 100°C which satisfy equation (1), and also exhibits a difference between the half-value width of the endothermic peak during the second temperature increase and the half-value width of the endothermic peak during the first temperature decrease of 7.00°C or less. (1): HA2/HA1>0.80

Inventors:
SANO SHIHO (JP)
Application Number:
PCT/JP2021/013877
Publication Date:
October 07, 2021
Filing Date:
March 31, 2021
Export Citation:
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Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
G03G9/08; G03G9/097
Domestic Patent References:
WO2015170705A12015-11-12
Foreign References:
JP2018049168A2018-03-29
JP2015172646A2015-10-01
JP2011164333A2011-08-25
JP2018084606A2018-05-31
JP2015184574A2015-10-22
JP2014160194A2014-09-04
JP2014174501A2014-09-22
JP2018156074A2018-10-04
JP2016020966A2016-02-04
JP2017194606A2017-10-26
JP2014235400A2014-12-15
JP2014026257A2014-02-06
JP2020187270A2020-11-19
JP2020106748A2020-07-09
Attorney, Agent or Firm:
TAKEUCHI, ICHIZAWA & ASSOCIATES (JP)
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