Fluorene derivatives, optical plastic
From Fine Materials Business / Fluorene
Based on the coal chemistry technology accumulated by our company over a long period of time, we make use of the excellent optical properties and heat resistance of fluorene derivatives applying them to liquid crystal displays, cell phone camera lenses, and semiconductor-related materials. Fluorene is one of the elements contained in coal tar. When various benzene rings are bonded to fluorene, a fluorene derivative is obtained. A fluorene derivative has a three-dimensional configuration called a 'cardo structure'. As the cardo structure contains a lot of aromatic rings, this structure has a high refractive index and high heat resistance. In addition, as each of the aromatic rings faces in a different direction, the optical anisotropy is reduced, and birefringence becomes weaker. Our company produces various types of fluorene derivatives. Polyester resin is used for digital camera lenses, acrylate for various types of liquid crystal films, and epoxy for thermosetting resin.
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