PYRIMIDOQUINAZOLINE PIGMENT, METHOD FOR MANUFACTURING PYRIMIDOQUINAZOLINE PIGMENT, AND PIGMENT COLORANT
申请人:Dainichiseika Color & Chemicals Mfg. Co., Ltd.
公开号:EP3521378A1
公开(公告)日:2019-08-07
The present invention provides a pyrimidoquinazoline pigment having a novel pyrimidine skeleton, the pyrimidoquinazoline pigment having excellent pigment properties, such as coloring power and durability, and excellent infrared reflectivity and a method for producing the pyrimidoquinazoline pigment, and a pigment colorant using the pyrimidoquinazoline pigment. The present invention relates to a pyrimidoquinazoline pigment represented by the following formula (1), wherein R1 and R2 each independently represent a benzene ring or a naphthalene ring optionally having a substituent, and a method for producing the pyrimidoquinazoline pigment. In addition, the present invention relates to a pigment colorant containing the pyrimidoquinazoline pigment.
本发明提供了一种具有新型嘧啶骨架的嘧啶喹唑啉颜料,该嘧啶喹唑啉颜料具有优异的颜料特性,例如着色力和耐久性,以及优异的红外反射率,还提供了一种生产该嘧啶喹唑啉颜料的方法,以及一种使用该嘧啶喹唑啉颜料的颜料着色剂。本发明涉及一种由下式(1)表示的嘧啶喹唑啉颜料,其中 R1 和 R2 各自独立地代表一个苯环或一个可选具有取代基的萘环;本发明还涉及一种生产嘧啶喹唑啉颜料的方法。此外,本发明还涉及一种含有嘧啶喹唑啉颜料的颜料着色剂。