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    • 4. 发明授权
    • Synthesis ZSM-48
    • 合成ZSM-48
    • US5961951A
    • 1999-10-05
    • US5969
    • 1998-01-12
    • Carrie L. KennedyLouis D. RollmannJohn L. Schlenker
    • Carrie L. KennedyLouis D. RollmannJohn L. Schlenker
    • B01J29/74C01B39/48
    • C01B39/48
    • The present invention relates to a composition and a method for preparing ZSM-48 exhibiting an X-ray pattern having values as set forth in Table 1 of the specification. The method of the present invention includes (a) preparing a reaction mixture; and (b) maintaining the mixture under crystallization conditions until crystals of the ZSM-48 are formed. The mixture includes a source of silica, a source of trivalent metal oxide, an alkali metal oxide, ethylenediamine and water. The mixture, in terms of mole ratios of oxides, has the following composition ranges:SiO.sub.2 /Me.sub.2 O.sub.3 : 100 to 1500,M.sub.2/n O/SiO.sub.2 : 0 to 0.2,RN/SiO.sub.2 : 2.0 to 5.0,OH.sup.- /SiO.sub.2 : 0 to 0.3, andH.sub.2 O/SiO.sub.2 : 10 to 100,wherein Me is a trivalent metal, M is an alkali metal and RN is ethylenediamine.
    • 本发明涉及一种制备ZSM-48的组合物和方法,该ZSM-48具有如本说明书的表1中所列的值的X射线图案。 本发明的方法包括(a)制备反应混合物; 和(b)将混合物保持在结晶条件下,直到形成ZSM-48的晶体。 该混合物包括二氧化硅源,三价金属氧化物源,碱金属氧化物,乙二胺和水。 该混合物以氧化物的摩尔比计具有以下组成范围:SiO 2 / Me 2 O 3:100至1500,M 2 / nO / SiO 2:0至0.2,RN / SiO 2:2.0至5.0 OH- / SiO 2:0至 0.3,H 2 O / SiO 2:10〜100,其中Me为三价金属,M为碱金属,RN为乙二胺。