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OALib Journal期刊
ISSN: 2333-9721
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木质素酚类单体化合物制备烷烃燃料
, PP. 48-53
Keywords: 木质素,愈创木酚,傅克烷基化,烷烃燃料
Abstract:
？通过引入中间小分子化合物,采用傅克烷基化反应,实现了从木质素酚类单体化合物制备长链烷烃燃料.考察了催化剂、醛酮类小分子化合物、反应时间、反应温度、物料比、底物等条件对从木质素酚类单体制备二聚体反应结果的影响,并对得到的木质素酚类二聚体产物进一步加氢还原,得到c13~19烷烃燃料.结果表明,当物料比n(木质素酚类单体)/n(醛酮类中间小分子)为15:3,以amberlyst-15为酸性催化剂,在100℃的条件下,反应24h,可以得到68%产率的二聚体化合物(当底物是愈创木酚和丙醛时).将得到的二聚体化合物在270℃,4mpah2的不锈钢反应釜中进行加氢反应,3h后,二聚体化合物完全转化为液体烷烃.提出从木质素单体出发通过引入中间小分子,实现c-c链增长来制备烷烃燃料的合成路线,为木质素的开发和应用提出了新思路与实验基础.
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