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    • 71. 发明授权
    • Mesopore molecular sieve and process for the production thereof
    • Mesopore分子筛及其制备方法
    • US06284696B1
    • 2001-09-04
    • US09202046
    • 1999-03-23
    • Masahiko KoyaHitoshi NakajimaItsuho Aishima
    • Masahiko KoyaHitoshi NakajimaItsuho Aishima
    • B01J2906
    • B01J29/0308C01B37/00C01B37/02
    • A mesopore molecular sieve having a hydrocarbon group bonded directly to a silicon atom in the metal oxide skeleton constituting the molecular sieve, wherein the content of said hydrocarbon group is from 0.01 to 0.6 mol per mol of the metal oxide. Also disclosed is a process for producing a mesopore molecular sieve having a hydrocarbon atom bonded to a silicon atom in the molecular sieve skeleton, which comprises synthesizing the mesopore molecular sieve, in the presence of a template, from: a silane compound represented by the following formula (1): RnSiX(4−n)  (1) wherein R represents a hydrocarbon group selected from C1-16 hydrocarbon groups and hydrocarbon groups substituted with an N—, O-, S-, P- or halogen-containing group; n represents 1, 2 or 3; and X is selected from C1-6 alkoxy groups, aryloxy groups, a hydroxyl group and halogen atoms and a plurality of X may be the same or different; and a metal oxide and/or a precursor thereof. According to this process for producing a mesopore molecular sieve, a mesopore molecular sieve can be readily synthesized in one stage and, in addition, a mesopore molecular sieve having an excellent performance as an acid catalyst or oxidation catalyst can be obtained because the kind and amount of the hydrocarbon group can be easily adjusted.
    • 具有直接结合构成分子筛的金属氧化物骨架中的硅原子的烃基的中孔分子筛,其中所述烃基的含量相对于每摩尔金属氧化物为0.01〜0.6摩尔。 还公开了一种制备具有与分子筛骨架中的硅原子键合的烃原子的中孔分子筛的方法,该方法包括在模板存在下合成中孔分子筛:由以下化合物表示的硅烷化合物 式(1):其中R表示选自C 1-6烃基和被N,O-,S-,P-或卤素基团取代的烃基的烃基; n表示1,2或3; X选自C 1-6烷氧基,芳氧基,羟基和卤原子,多个X可以相同或不同; 和金属氧化物和/或其前体。 根据该中孔分子筛的制造方法,可以在一个阶段容易地合成中孔分子筛,另外可以得到作为酸催化剂或氧化催化剂的具有优异性能的中孔分子筛,因为种类和量 的烃基可以容易地调节。