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<Photochromic Compounds> * Photochromism is a phenomenon in which two states with different absorption spectra undergo reversible isomerization due to light irradiation, accompanied by a change in the color of the substance. * Photochromic compounds that exhibit this phenomenon are expected to be applied as dimming materials, optical memory materials, and holographic materials, and are actively being researched. * Among photochromic compounds, there are P-type compounds that return to their original structure after a change in molecular structure due to light irradiation, and T-type compounds that return to their original structure through thermal reactions. * In T-type photochromic compounds, the thermal decolorization reaction from the colored state takes several minutes at room temperature, and there has been a demand for further acceleration of the photochromic reaction.
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<Light Polymerization Initiators> Chemical Name Cas No. 1-Chloro-4-propoxythioxanthone 142770-42-1 1-Hydroxycyclohexylphenylketone 947-19-3 2-Benzyl-2-(dimethylamino)-4'-morpholinobutyrophenone 119313-12-1 2-Benzoylbenzoic acid 85-52-9 4-(Dimethylamino)benzoic acid 2-ethylhexyl ester 21245-02-3 2-Hydroxy-4'-(2-hydroxyethoxy)-2-methylpropiophenone 106797-53-9 2-Isopropylthioxanthone 5495-84-1 2-Methyl-4'-(methylthio)-2-morpholinopropiophenone 71868-10-5 2-Methylbenzophenone 131-58-8 2,2-Diethoxyacetophenone 6175-45-7 2,4-Diethylthioxanthone-9-one 82799-44-8 4-(Dimethylamino)benzophenone 530-44-9 4-Hydroxybenzophenone 1137-42-4 4-Methoxybenzophenone 611-94-9 4-Methylbenzophenone 134-84-9 etc.
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<Light-Responsive Color-Changing Functional Materials> Photochromic Compounds: * They are single substances that change to a different state when exposed to light, altering the wavelength of light they absorb (they change color). * By changing the light applied, this change can be repeatedly reversed. <Compounds that Change Color with Light> * The color of the material can change instantly due to the energy of light. * This phenomenon is called "photochromism." * "Chromism" refers to the phenomenon where the color of a substance changes reversibly due to external stimuli, and chromism triggered by "light" is called "photochromism." * In recent years, various organic compounds demonstrating photochromism have been developed and are beginning to be used in adjustable materials (such as sunglasses and window glass), cosmetics, printing inks, toys, and adhesives. * Furthermore, research is being conducted to explore new concepts that convert light energy into kinetic energy, with potential applications as molecular machines and light-driven materials.
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Our company is a contract manufacturing manufacturer that consistently engages in the development and production of chemicals, including "route development > lab manufacturing > bulk manufacturing," through our own business locations and partnerships in Japan and overseas (China, Taiwan, Singapore, India). Since our establishment, we have utilized the technical expertise we have cultivated over approximately 15 years to provide stable contract manufacturing and supply to around 130 domestic and international customers. Since our founding, we have also supported various social welfare organizations through grants and welfare activities. We will continue to actively engage as a responsible member of society alongside everyone. <Achievements> ■ Development > Industrialization ■ Improvement of existing processes ■ Cost reduction
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