To provide an MWF-type zeolite having few crystal lattice distortions and defects, in which a higher-order structure, or 8-membered ring, is clearly formed, and which can be used as a long-life polymerization catalyst that causes no coking in a polymerization reaction of a hydrocarbon.SOLUTION: This invention relates to an MWF-type zeolite, wherein, when the heights of peaks around 2θ=11.1 and 13.8° in a peak obtained by X-ray diffraction are defined as A and B, respectively, 0.30≤B/A<0.61 is satisfied.SELECTED DRAWING: Figure 1
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机译：提供具有少数晶格畸变的MWF型沸石，其中清楚地形成了晶格畸变和缺陷，其中清楚地形成高阶结构或8元环，并且可以用作长生物聚合催化剂，导致焦化 烃的聚合反应。溶液：本发明涉及MWF型沸石，其中，当通过X射线衍射获得的峰值约为2θ= 11.1和13.8°的峰的高度分别定义为A和B. ，满足0.30≤b/ a <0.61。选择绘图：图1
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