Bisphenol fluorene synthesizing process catalyzed with solid magnetic super acid

A solid superacid and bisphenol fluorene technology, which is applied in chemical instruments and methods, preparation of organic compounds, catalysts for physical/chemical processes, etc., can solve problems such as large mass transfer resistance, small reaction interface, and difficult separation of catalysts and products , to achieve the effect of reducing pollution, mild reaction conditions, and reasonable and feasible synthesis process
CN1986510AInactive Publication Date: 2007-06-27HARBIN ENG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
HARBIN ENG UNIV
Publication Date
2007-06-27
Estimated Expiration
Not applicable · inactive patent
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Abstract

The bisphenol fluorine synthesizing process includes mixing phenol, 9-fluorenone, solid magnetic super acid and mercapto carboxylic acid, with phenol / 9-fluorenone molar ratio of 6-12 to 1, mercapto carboxylic acid / 9-fluorenone weight ratio of 0.02-0.50 to 1 and solid magnetic super acid accounting for 5-15.0 % of total reactant weight, to react at 80-110 deg.c via stirring for 6-16 hr; magnetically separating after reaction to adsorb solid magnetic super acid to the bottom of reactor, transferring the hot reaction product to some container, washing the reactor with hot water solution of methanol, transferring the washed liquid to the container, cooling the container to separate out crystal, filtering, drying, recrystallizing the filter cake in organic solvent and stoving to obtain bisphenol fluorine crystal. The present invention has mild reaction condition and product purity as high as 99.2 %, and may be used widely in the phenol and 9-fluorenone condensation reaction.
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Description

(1) Technical field

[0001] The invention relates to the field of organic synthesis and materials, in particular to a method for catalytically synthesizing bisphenol fluorene with a magnetic solid superacid. (2) Background technology

[0002] Bisphenol fluorene is a kind of fluorenyl compound containing phenolic hydroxyl structure. It is an important monomer for the synthesis of polycondensation products such as polycarbonate, epoxy resin, polyester or polyether. It is a new type of heat-resistant material synthesized from bisphenol fluorene Epoxy resin, polycarbonate and other materials have good thermal stability, high transparency, high refractive index and easy solubility, and can be used to prepare transparent conductive films, alignment films, gas separation films, photoreceptors with photoelectric properties, high Performance polymers, photoconductors, heat transfer materials, flame retardant thermoplastic resins, optical discs, radiation-resistant polymers with high t...

Claims

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