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9,9-Bis(4-hydroxyphenyl)fluorene

Fluorene-9-bisphenol Specification: Fluorene-9-bisphenol, molecular formula C25H18O2, a molecular weight of 350.4, it is a white powdery substance, the melting point of 222-224 ° C, soluble in organic solvents, insoluble in water Preparation: The gas hydrogen chloride as a catalyst, mercapto...

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Fluorene-9-bisphenol


Specification:

Fluorene-9-bisphenol, molecular formula C25H18O2, a molecular weight of 350.4, it is a white powdery substance, the melting point of 222-224 ° C, soluble in organic solvents, insoluble in water

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Preparation:

The gas hydrogen chloride as a catalyst, mercapto carboxylic acid as cocatalyst, phenol: fluorenone: hydrogen chloride molar ratio is generally 6-10: 1: 0.38, adding an appropriate amount of mercapto-cocatalyst, the reaction temperature is 55 ℃, the reaction time 8h, the yield of 80 %, Fluorene-9-bisphenol, reached 99.9% purity after recrystallization

Package

The package of all our chemical products reaching up to the industry standard, we usually use kraft drums or woven bags for our powder state products.

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Usage:

Polyester resin made with Fluorene-9-bisphenol, has high heat resistance and good optical properties. The synthesized polymer film has excellent mechanical properties, better compression wear resistance, good optical properties and lower photoelastic constant , Excellent transparency, widely used in liquid crystal displays, optical lenses, eye lenses and so on, at the same time as the film has good electrical insulation, and used in capacitors and so on

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