Title:
NEAR INFRARED-REFLECTING/TRANSMITTING AZO PIGMENT, METHOD FOR MANUFACTURING NEAR INFRARED-REFLECTING/TRANSMITTING AZO PIGMENT, COLORANT COMPOSITION USING SAID AZO PIGMENTS, ITEM-COLORING METHOD AND COLORED ITEM
Document Type and Number:
WIPO Patent Application WO/2015/125224
Kind Code:
A1
Abstract:
Provided is an azo pigment, which can be used as a colorant, etc. for paints, plastics, synthetic fibers, printing inks, and writing materials or for image recording or image display and which has the property of exhibiting high infrared reflection/transmission particularly when used as a heat-blocking paint even when the pigment has a dark color, and as a result, colored items having said properties are provided. Moreover, an item that is also useful as printing ink in the security field is provided, particularly when the pigment has a dark or black color. Specifically, an azo pigment is provided, the azo pigment being obtained by a coupling reaction between a specific diazo component and a specific coupling component and having multiple azomethine group and azo group chromophores in a molecule, wherein the diazo component is a diazotization product of 3-(4-aminophenylimino)-1-oxo-4,5,6,7-tetrachloroisoindoline.
More Like This:
| JPS5560563 | AZO COMPOUNDS |
| WO/2003/014227 | NOVEL AZO PIGMENTS |
| JP2002182433 | MAGENTA TONER |
Inventors:
OKAMOTO HISAO (JP)
ITO HIDEKI (JP)
YANAGIMOTO HIROMITSU (JP)
ITO HIDEKI (JP)
YANAGIMOTO HIROMITSU (JP)
Application Number:
PCT/JP2014/053856
Publication Date:
August 27, 2015
Filing Date:
February 19, 2014
Export Citation:
Assignee:
DAINICHISEIKA COLOR CHEM (JP)
International Classes:
C09B29/20; C09B29/33; C09B29/40; C09B67/20
Foreign References:
| JPS5430221A | 1979-03-06 | |||
| JPS5649757A | 1981-05-06 | |||
| JPS54141821A | 1979-11-05 | |||
| JP2002256165A | 2002-09-11 |
Other References:
See also references of EP 3109283A4
Attorney, Agent or Firm:
KONDO Rieko et al. (JP)
Kondo Toshihide child (JP)
Kondo Toshihide child (JP)
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