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发明公开
CN107570188A 一种均苯四甲酸二酐催化剂 无效 - 撤回

一种均苯四甲酸二酐催化剂
摘要：
本发明涉及一种均苯四甲酸二酐催化剂，所述均苯四甲酸二酐催化剂是由以下重量份的组分组成：1～3份V2O5、12～16份TiO2、0.1～0.2份P2O5、0.05～0.15份Sb2O3、0.1～0.2份MoO3、0.01～0.05份Na2O和80.4～86.74份球形无孔碳化硅。本发明的优点在于：本发明均苯四甲酸二酐催化剂，催化剂收率高，且选择性高。
摘要（英）：

The invention relates to a pyromellitic dianhydride catalyst. The pyromellitic dianhydride catalyst is prepared from the following components in parts by weight: 1 to 3 parts of V2O5, 12 to 16 parts of TiO2, 0.1 to 0.2 part of P2O5, 0.05 to 0.15 part of Sb2O3, 0.1 to 0.2 part of MoO3, 0.01 to 0.05 part of Na2O and 80.4 to 86.74 parts of spherical non-porous silicon carbide. The pyromellitic dianhydride catalyst has the advantages of high yield and high selectivity.

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