Colored composition for color filter and color filter
A coloring composition and color filter technology, applied in the direction of instruments, optical filters, optics, etc.
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Embodiment 1
[0239] Using a high-speed rotary mill (Model "ACM-10A" manufactured by ホソカワミミクロン Co., Ltd., with a rotation speed of 6800 rpm), the sintered and dried salt was pulverized at a supply amount of 100 kg / hour ("Sofit Salt S-50", Mg Content 0.03%, moisture content 0.11%). Using a micro-trace particle size analyzer (Nikkiso Co., Ltd.), the particle size distribution of the ground salt was measured, and the volume-based median particle size was 6.2 μm, and the 95% particle size was 12.8 μm. In addition, the crushed salt was observed with a scanning electron microscope, and it was found that the salt had a rough surface with an angular shape.
[0240] In a 1-gallon kneader (manufactured by Inoue Manufacturing Co., Ltd.), 1200 parts of the obtained pulverized salt, 100 parts of quinophthalone pigment (CI Pigment Yellow 138, BASF "Pigment-Luyero-K0961HD") and 120 parts of diethylene were added Alcohol, kneaded at 40°C for 10 hours. Then, the dough obtained by kneading for 10 hours was put i...
Embodiment 2
[0259] In a 1-gallon kneader (manufactured by Inoue Manufacturing Co., Ltd.), 1000 parts of the same ground salt as in Example 1 and 100 parts of ε-type copper phthalocyanine pigment (CI Pigment Blue 15:6, manufactured by Toyo Ink Mfg. Co., Ltd., "リオノ- Lubrel-E") and 110 parts of diethylene glycol were kneaded at 60°C for 10 hours. Then, the dough obtained by kneading for 10 hours was put into warm water, heated to about 80°C and stirred with a high-speed mixer for 1 hour to form a slurry. The slurry was filtered and washed with water to remove salt and diethylene glycol, and then the filter residue was dried at 80° C. for a whole day and night, and pulverized to obtain 94 parts of fine ε-type copper phthalocyanine pigment.
[0260] Next, after thoroughly stirring the mixture with the following composition, using zirconium beads with a diameter of 1 mm, it was dispersed for 5 hours with an Aige-mill ("Munimore M-250MKII" manufactured by Aige-Jianpan), and then filtered with a 5μm ...
Embodiment 3
[0278] Using a high-speed rotary mill (using Fuji Pakura Co., Ltd. "hammer mill"), sintered and dried salt at a rotation speed of 5000 rpm and a supply amount of 2 t / hour (Mixed Co., Ltd. "Soft Salt S-50" , Mg content 0.03%, moisture content 0.11%) crushed. Using a micro-trace particle size analyzer (Nikkiso Co., Ltd.), the particle size distribution of ground salt was measured. The volume-based median particle size was 17.5 μm, and the 95% particle size was 38.6 μm. In addition, the crushed salt was observed with a scanning electron microscope, and it was found that the salt had a rough surface with an angular shape.
[0279] In a 1-gallon kneader (manufactured by Inoue Manufacturing Co., Ltd.), 1000 parts of the obtained ground salt and 100 parts of crude copper phthalocyanine pigment (CI Pigment Blue 15:3, "T-95 クル-ドブル-" manufactured by Zhuhai Toyo Co., Ltd.) were added ) And 110 parts of diethylene glycol, kneaded at 60°C for 10 hours. Then, the dough obtained by kneading for ...
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