论文部分内容阅读
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。
Bisphenol fluorene epoxy resin was prepared from bisphenol fluorene (BHPF) and epichlorohydrin (ECH). The effects of the ratio of the amount of ECH to BHPF, the amount of NaOH, the amount of cetyltrimethylammonium bromide (CTBA), the reaction temperature and the reaction time on the quality of the product were studied. The structure of the product was characterized by IR and MS. Characterized. The results showed that the optimal conditions were as follows: molar ratio of ECH to BHPF was 10:1, CTBA mass fraction was 3% (based on BHPF mass), NaOH to BHPF molar ratio was 2.4:1, etherification temperature was 54 ℃, The reaction temperature was 65 ℃ and the reaction temperature was 80 ℃. The reaction time was 60 min, 120 min and 120 min, respectively. The epoxy value of the product reached 0.408.