以十六烷基三甲基溴化铵和正硅酸乙酯为原料,合成纯硅MCM-41介孔分子筛.再利用九水硝酸铝为改性剂来嫁接改性纯硅MCM-41介孔分子筛,NH3-TPD结果表明,嫁接后的AlMCM-41产生了中强酸.用改性后不同n(Si)/n(Al)的AlMCM-41催化合成双酚F,在n(苯酚)/n(甲醛)=30、反应时间5h、反应温度90℃、m(甲醛)/m(AlMCM-41)=7的反应条件下,在一定范围内,双酚F的产率随Al含量增加而增加,但在n(Si)/n(Al) ＜50时,双酚F的产率反而下降,当n(Si)/n(Al)=50时,双酚F的产率最高,为42.28％.
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