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US07674748B2 4-hydroxy-4′-isopropoxydiphenyl sulfone developer dispersion, method of wet grinding, and thermal recording media 有权
4-羟基-4'-异丙氧基二苯砜显影剂分散体，湿法研磨方法和热记录介质

  • Patent Title: 4-hydroxy-4′-isopropoxydiphenyl sulfone developer dispersion, method of wet grinding, and thermal recording media
  • Patent Title (中): 4-羟基-4'-异丙氧基二苯砜显影剂分散体，湿法研磨方法和热记录介质
  • Application No.: US10592687
    Application Date: 2005-03-15
  • Publication No.: US07674748B2
    Publication Date: 2010-03-09
  • Inventor: Yoshimi Ishibashi
  • Applicant: Yoshimi Ishibashi
  • Applicant Address: JP Tokyo
  • Assignee: OJI Paper Co., Ltd.
  • Current Assignee: OJI Paper Co., Ltd.
  • Current Assignee Address: JP Tokyo
  • Agency: Kubovcik & Kubovcik
  • Priority: JP2004-072352 20040315; JP2004-166693 20040604; JP2004-251812 20040831
  • International Application: PCT/JP2005/004535 WO 20050315
  • International Announcement: WO2005/087502 WO 20050922
  • Main IPC: B41M5/333
  • IPC: B41M5/333 ;  B41M5/337 ;  C09D11/00
4-hydroxy-4′-isopropoxydiphenyl sulfone developer dispersion, method of wet grinding, and thermal recording media
Abstract:
(1) A 4-hydroxy-4′-isopropoxydiphenylsulfone developer dispersion characterized by being obtained by wet grinding a 4-hydroxy-4′-isopropoxydiphenylsulfone developer in the presence of at least one compound selected from the group consisting of 1,1,3-tris(2-methyl-4-hydroxy-5-cyclohexylphenyl)butane and 1,1,3-tris(2-methyl-4-hydroxy-5-tert-butylphenyl)butane, or in the presence of 1,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanuric acid; (2) a method for wet grinding a 4-hydroxy-4′-isopropoxydiphenylsulfone developer, characterized by wet grinding a 4-hydroxy-4′-isopropoxydiphenylsulfone developer in the presence of at least one compound selected from the group consisting of 1,1,3-tris(2-methyl-4-hydroxy-5-cyclohexylphenyl)butane and 1,1,3-tris(2-methyl-4-hydroxy-5-tert-butylphenyl)butane, or in the presence of 1,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanuric acid; and (3) a heat-sensitive recording material having a heat-sensitive recording layer containing the developer dispersion.
Abstract(Chinese):

（1）4-羟基-4'-异丙氧基二苯砜显影剂分散体，其特征在于，在至少一种选自1,1,3,3-四羟基-4'-异丙氧基二苯砜显影剂的化合物存在下， （2-甲基-4-羟基-5-环己基苯基）丁烷和1,1,3-三（2-甲基-4-羟基-5-叔丁基苯基）丁烷，或在1,3， 5-三（4-叔丁基-3-羟基-2,6-二甲基苄基）异氰脲酸; （2）一种湿法研磨4-羟基-4'-异丙氧基二苯基砜显影剂的方法，其特征在于，在至少一种选自1,1,1-三羟基-4'-异丙氧基二苯砜显影剂 ，3-三（2-甲基-4-羟基-5-环己基苯基）丁烷和1,1,3-三（2-甲基-4-羟基-5-叔丁基苯基）丁烷，或在1， 3,5-二（4-叔丁基-3-羟基-2,6-二甲基苄基）异氰尿酸; 和（3）具有含有显影剂分散体的热敏记录层的热敏记录材料。

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