Examples of polyimide synthesis: High-refractive monomers with a refractive index of 1.7 or higher.
This product "APP" can impart high refractive index to polymers such as polyimide due to the high molecular refractive index and atomic refractive index of the pyridine skeleton and sulfur atom. The polyimide film after polymerization with ODPA (4,4'-Oxydiphthalic Anhydride) has been confirmed to have a high refractive index of 1.7 (measured at a wavelength of 633nm). Applications are anticipated in various optical components such as anti-reflective coatings, optical waveguides, and microlenses.
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basic information
【Monomer Physical Properties】 ■Molar Mass: 326.4 ■Melting Point: 194℃ ■Appearance: White to light yellow powder 【Polymer Physical Properties Example】 ■High Refractive Index: Refractive Index 1.7499 ■High Heat Resistance: Tg 197℃, Td10 > 460℃
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Applications/Examples of results
This product is a development item, but it is expected to be applied to various optical components such as anti-reflective coatings, optical waveguides, and microlenses.
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