Phthalocyanine material has been widely used in many field of organic pigment, chemical sensor, electro-chromic display device, photovoltaic cell, xerography, optical disk, catalysis, non-linear optic, etc. Epsilon copper phthalocyanine (ε-CuPc) has a reddish hue, a high clearness and a high tinting...
Phthalocyanine material has been widely used in many field of organic pigment, chemical sensor, electro-chromic display device, photovoltaic cell, xerography, optical disk, catalysis, non-linear optic, etc. Epsilon copper phthalocyanine (ε-CuPc) has a reddish hue, a high clearness and a high tinting strength as compared with other crystal forms of CuPc. Therefore, nano-sized ε-CuPc has been used as blue-component color filter in high quality liquid crystal display (LCD) panel due to its thermal stability and bright hue. In this study, after ε-CuPc crude was synthesized by seed method from 1,2-dicyanonbenzene and copper chloride as starting materials, the crude was crushed and grounded by using ball-milling. To prevent the change of crystal form during the ball-milling, various phthalocyanine derivatives having different side group were added. Particle size, shape and crystalline structure were evaluated in the various milling condition such as milling speed, milling time, size and charge amount of bead, and kind of derivatives. Finally, the possibility of its commercial use was found because ε-CuPc with the particle size of below 50 nm was fabricated successfully round shape in high stability. Chemical structure was confirmed by utilizing infrared spectroscope. Particle size, shape and crystalline structure were compared and evaluated after particle size reductions by using transmission electron microscope (TEM) and X-ray diffractometer (XRD). Also the behavior of phase transformation of nano-sized ε-CuPc was investigated in various condition such as solvent and temperature. Finally, dipersion and thermal properties of samples were analyzed by particle size analyzer (PSA) and thermogravimetry analyzer (TGA), respectively. Pigment yellow 154 (P.Y.154) is a benzimidazolone pigment which has been widely used in the fields of printing ink, plastics, color toner, and color filter, etc. It is a greenish to medium yellow shade pigment with excellent light fastness, heat resistance, solvent resistance, acid resistance and alkali resistance. In this study was synthesized by cold coupling reaction. After that, sample was grown at various solvents, dispersion derivatives and temperature to improve dispersion property by the use of autoclave. The size of particle, shape and crystalline structure were controled at reactions factors such as time, temperature, various solvents according to the polarity of the solvent.
Phthalocyanine material has been widely used in many field of organic pigment, chemical sensor, electro-chromic display device, photovoltaic cell, xerography, optical disk, catalysis, non-linear optic, etc. Epsilon copper phthalocyanine (ε-CuPc) has a reddish hue, a high clearness and a high tinting strength as compared with other crystal forms of CuPc. Therefore, nano-sized ε-CuPc has been used as blue-component color filter in high quality liquid crystal display (LCD) panel due to its thermal stability and bright hue. In this study, after ε-CuPc crude was synthesized by seed method from 1,2-dicyanonbenzene and copper chloride as starting materials, the crude was crushed and grounded by using ball-milling. To prevent the change of crystal form during the ball-milling, various phthalocyanine derivatives having different side group were added. Particle size, shape and crystalline structure were evaluated in the various milling condition such as milling speed, milling time, size and charge amount of bead, and kind of derivatives. Finally, the possibility of its commercial use was found because ε-CuPc with the particle size of below 50 nm was fabricated successfully round shape in high stability. Chemical structure was confirmed by utilizing infrared spectroscope. Particle size, shape and crystalline structure were compared and evaluated after particle size reductions by using transmission electron microscope (TEM) and X-ray diffractometer (XRD). Also the behavior of phase transformation of nano-sized ε-CuPc was investigated in various condition such as solvent and temperature. Finally, dipersion and thermal properties of samples were analyzed by particle size analyzer (PSA) and thermogravimetry analyzer (TGA), respectively. Pigment yellow 154 (P.Y.154) is a benzimidazolone pigment which has been widely used in the fields of printing ink, plastics, color toner, and color filter, etc. It is a greenish to medium yellow shade pigment with excellent light fastness, heat resistance, solvent resistance, acid resistance and alkali resistance. In this study was synthesized by cold coupling reaction. After that, sample was grown at various solvents, dispersion derivatives and temperature to improve dispersion property by the use of autoclave. The size of particle, shape and crystalline structure were controled at reactions factors such as time, temperature, various solvents according to the polarity of the solvent.
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