双酚芴环氧树脂的合成研究

以双酚芴(BHPF)和环氧氯丙烷(ECH)为原料制备了双酚芴环氧树脂。研究了ECH与BHPF物质的量比、NaOH用量、催化剂十六烷基三甲基溴化铵(CTBA)用量、反应温度、反应时间等对产品质量的影响,并采用红外、质谱等对产物结构进行了表征。结果表明:较优的工艺条件为:ECH与BHPF物质的量比10∶1,CTBA质量分数3%(基于BHPF质量),NaOH与BHPF物质的量比2.4∶1;醚化反应温度54℃,加碱反应温度65℃,精制反应温度80℃,上述各阶段反应时间分别为60 min,120 min,120 min,产物环氧值可达到0.408。

Study on synthesis of fluorene-containing epoxy resin

The fluorene-containing epoxy resin was prepared using bisphenol fluorene(BHPF) and epichlorohydrin(ECH) as main raw materials.The effects of the molar ratio of ECH to BHPF,NaOH dosage,catalyst cetyl trimethyl ammonium bromide(CTBA) dosage,reaction temperature and reaction time on the product quality were investigated.The structure of product was characterized by IR and MS.The results showed that the optimum process conditions were as followed: molar ratio of ECH to BHPF 10∶1,CTBA dosage 3%(based on BHPF quality),molar ratio of NaOH to BHPF 2.4∶1;etherification reaction temperature 54 ℃,adding alkali reaction temperature 65 ℃,refining reaction temperature 80 ℃ and the reaction time of the above stages 60 min,120 min and 120 min,respectively.The epoxy value of the product was up to 0.408.