Studies Of Synthesis And Technics Of 9,9-bis-(4-hydroxyphenyl)-fluorene

9,9-bis(4-hydroxyphenyl)-fluorene, is one kind of important organic industrial chemicals, mainly used in synthesizing polycarbonates, epoxy resins, polyesters, polyethers, some gathers polycondensation product and so on.The present paper chooses the synthesis reactions of BHPF as the research object, uses the heteropoly acid and the cation resin as the catalyst to conduct the research, in addition, there was a contrast with the traditional synthesis by using sulfuric acid as catalysis , better result has obtained. In view of the question which exists at present studies, the paper conducts the system research to the BHPF synthesis craft, through the comparison between new method and traditional method. The influence factor, reaction time, reaction temperature, phenol-fluorenone molar ratio, catalyst amount used, promote catalyst amount used, has reviewed, respectively. The optimum response conditions are optimized through studying the sulfuric acid method, the heteropolyacid and the ion exchange resin to catalyze and synthesize BHPF.Firstly, the paper studies the traditional method sulfuric acid method to synthesize BHPF, and determined the optimum reaction conditions. The result indicated, when the molar ratio of phenol and fluorenone is 6:1, the amount used of strong sulfuric acid is 8.5mL, the amount used of promote catalyst P-mercaptopropionic acid is 0.25mL, reaction time is 3h, the BHPF yield reaches 98.1% on 45 ℃, and the liquid chromatography demonstrated its purity is 98.2%.In the experiment, two new methods, heteropolyacid and the ion exchange resin method, are used to synthesize BHPF, and their response condition are reviewed. The optimum reaction conditions of catalyzing and synthesizing BHPF by phosphorus tungsten heteropoly acid as follows: the molar ratio of phenol and fluorenone is 10:1, the catalyst phosphorus tungsten heteropoly acid amount used is 9% (occupies total material mass percent), the promote catalyst P-mercaptopropionic acid amount used is 0.15mL, reaction time is 11h, the BHPF...