Chen Xin
2012
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Journal
Modern Chemical Industry
Abstract
Bisphenol fluorene acrylate plays an important role in the synthesis of the optical resin material.In this study,9,9'-bis(4-hydroxyphenyl) fluorene(bisphenol fluorene,Ⅰ) is synthesized with fluorenone and phenol as raw material.9,9'-Bis(4-oxiranylmethoxyphenyl) fluorene(bisphenol fluorene diglycidyl ether epoxy resin,Ⅱ) is prepared by the reaction of Ⅰ with epichlorohudrin.Finally,Ⅱ reacts with acrylic acid to get 9,9'-bis[4-(2'-hydroxy-3'acryloyloxy-propoxy)phenyl] fluorene(Bisphenol fluorene acrylic resin,Ⅲ).The results indicate that the yield of Ⅰ is more than 95.6% and the purity is up to 99.0% when using the acid catalyzed process and the weak base in the post-process.Moreover,in the presence of dimethylimidazole,the yield of Ⅱ is up to 92.8% and the purity is more than 96.5%.Finally,when using tetrabutylammonium bromide as the catalyst and methoxyphenol as the inhibitor agent,the purity of Ⅲ is 96.0% and the yield is 93.0%.The total yield of three steps is 83.0%.The clean production technology is optimized by studying the main factors affecting the reactions.