TWI633933B

The present invention provides a molded catalyst for use in the manufacture of methyl methacrylate, for manufacturing methyl methacrylate from a starting material of methyl ±-hydroxyisobutyrate by a vapor phase contact reaction, wherein the molded catalyst for use in the manufacture of methyl methac...

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Bibliographische Detailangaben
Hauptverfasser: SUGANO, YUUICHI, HIGUCHI, KATSUMI, HIROKAWA, SAORI
Format: Patent
Sprache:chi
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Beschreibung
Zusammenfassung:The present invention provides a molded catalyst for use in the manufacture of methyl methacrylate, for manufacturing methyl methacrylate from a starting material of methyl ±-hydroxyisobutyrate by a vapor phase contact reaction, wherein the molded catalyst for use in the manufacture of methyl methacrylate is characterized in that the molded catalyst includes a synthetic faujasite type zeolite, a lamellar aluminum silicate compound, and a synthetic lamellar magnesium silicate compound, the weight ratio of the lamellar aluminum silicate compound and the synthetic lamellar magnesium silicate compound being 1:5 to 6:1.