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Fluorene-9-bisphenol

4,4-(9-Fluorenylidene)diphenol Introduction: 4,4-(9-Fluorenylidene)diphenol, is an important organic chemical raw materials,it is a white powdery substance. Preparation: Using mercaptopropane sulfonic acid as catalyst, the molar ratio of phenol to 9-fluorenone is 6-25: 1, diphenylmethane is...

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4,4-(9-Fluorenylidene)diphenol


Introduction:

4,4-(9-Fluorenylidene)diphenol, is an important organic chemical raw materials,it is a white powdery substance.

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Preparation:

Using mercaptopropane sulfonic acid as catalyst, the molar ratio of phenol to 9-fluorenone is 6-25: 1, diphenylmethane is added as a reaction solvent and the reaction temperature is 55 ℃ to obtain 4,4-(9-Fluorenylidene)diphenol of high efficiency and high purity.

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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Application:

4,4-(9-Fluorenylidene)diphenol are  used in photoconductive photoreceptors, high performance polymers, photoconductors, photosensitive and heat sensitive polymers, heat transfer materials, flame retardant thermoplastic resins, optical disks, low dyadic organic optics, High temperature performance of radiation polymers, thermoplastic thermal expansion resin, electrical conductor insulation and high temperature coatings. Polymer made of bisphenol fluorene with low insulation constant, high glass transition temperature and excellent thermal stability can be used as interlayer insulator coating and passivation layer for protecting microelectronic circuits

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