CAJ | 학술논문

合成了一系列酸性的醚基功能化离子液体，对其进行了表征和测定。通过乙腈探针红外光谱法确定了最强酸性的催化剂，并将其用于催化异丁烷与2-丁烯的烷基化反应。结果表明：1-甲氧基乙基-3-甲基咪唑溴氯铝酸离子液体（[MOEMIM]Br/AlCl3）在AlCl3摩尔比为0.75时酸性最强，催化烷基化反应效果最佳；在反应温度35℃，异丁烷与2-丁烯体积比10：1的反应条件下催化烷基化反应，可得到C8选择性66.6%的烷基化油；其催化效果远优于非醚基功能化氯铝酸离子液体的催化效果；该催化剂可循环利用。
합성료일계렬산성적미기공능화리자액체，대기진행료표정화측정。통과을정탐침홍외광보법학정료최강산성적최화제，병장기용우최화이정완여2-정희적완기화반응。결과표명：1-갑양기을기-3-갑기미서추록려산리자액체（[MOEMIM]Br/AlCl3）재AlCl3마이비위0.75시산성최강，최화완기화반응효과최가；재반응온도35℃，이정완여2-정희체적비10：1적반응조건하최화완기화반응，가득도C8선택성66.6%적완기화유；기최화효과원우우비미기공능화록려산리자액체적최화효과；해최화제가순배이용。
A series of acidic ether functionalized chloroaluminate ionic liquids were synthesized and studied. The catalyst with the highest acidity was screened out by FT-IR spectra using acetonitrile as infrared probe and used to catalyze the alkylation of isobutane with 2-butene. It was proved that the acidity of 1-methoxyethyl-3-methylimidazolium bromide aluminium chloride ([MOEMIM]Br/AlCl3) was the highest when the molar ratio of AlCl3 was 0.75. The high quality alkylate with a C8 selectivity of 66.6%(mass) was obtained at 35℃ with the isoparaffin/olefin molar ratio (I/O) of 10, which was much better than that with non-ether functionalized chloroaluminate ionic liquids. The catalysts could be reused several times without obvious loss of activity.