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
[0240] Using a high-speed rotary mill ("ACM-10A type" manufactured by Hosokawa Micron Co., Ltd., with a rotation speed of 6800rpm), the sintered and dried table salt ("Soft salt S-50" developed by Miishi Co., Ltd., Mg Content 0.03%, moisture content 0.11%). The particle size distribution of the pulverized table salt was measured using a microtrace particle size analyzer (Nikkiso Co., Ltd.), and the volume-based median particle size was 6.2 μm, and the 95% particle size was 12.8 μm. In addition, pulverized salt was observed by a scanning electron microscope as common salt grains with angular shapes and rough surfaces.
[0241] In a 1-gallon kneader (manufactured by Inoue Seisakusho), 1,200 parts of the obtained pulverized salt, 100 parts of quinophthalone pigment (C.I. Alcohol, kneaded at 40°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 for 1 hour using a high-speed mixer to form a slurry. The s...
Embodiment 2
[0260] Add 1000 parts of crushed salt same as Example 1, 100 parts of ε-type copper phthalocyanine pigments (C.I. pigment blue 15:6, manufactured by Toyo Ink Manufacturing Co., Ltd. ルブル—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 for 1 hour using a high-speed mixer to form a slurry. The slurry was filtered and washed with water to remove common salt and diethylene glycol, and then the filter residue was dried at 80° C. for a day and night, and pulverized to obtain 94 parts of finely divided ε-type copper phthalocyanine pigments.
[0261] Next, after fully stirring the mixture of the following composition, it was dispersed for 5 hours using zirconium beads with a diameter of 1 mm using an Aiga mill ("Minimodel M-250MKII" manufactured by Aiga Japan Co., Ltd.), and filtered through a 5 μm filter , to prepare a blue pigment dispersion.
[02...
Embodiment 3
[0279] Using a high-speed rotary mill (using Fuji Paudal Co., Ltd. "hammer mill"), the sintered and dried table salt ("Soft Salt S-50" developed by Co., Ltd. , Mg content 0.03%, moisture content 0.11%) pulverization. The particle size distribution of the pulverized table salt was measured using a microtrace particle size analyzer (Nikkiso Co., Ltd.), and the volume-based median particle size was 17.5 μm, and the 95% particle size was 38.6 μm. In addition, pulverized salt was observed by a scanning electron microscope as common salt grains with angular shapes and rough surfaces.
[0280] Add 1,000 parts of the obtained pulverized salt and 100 parts of crude copper phthalocyanine pigment (C.I. Pigment Blue 15:3, "T-95 クル-ドブル-" produced by Zhuhai Toyo) to a 1-gallon kneader (manufactured by Inoue Manufacturing Co., Ltd.). ) 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 a...
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