Catalyst for direct amination of isobutene to prepare aminated tert-butyl amine
The catalyst has aluminosilicate molecular sieve, with Si/Al ratio of 30-300, specific surface area of 100-800 sq m/g and pore volume of 0.1-0.4 ml/g, so mother substance. The molecular sieve is first denaturing modified into H-molecular sieve and then denaturing modified with one or two modifying e...
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| creator | XINGMEI JIN SHIZHUO GUO PEILING HUANG |
| description | The catalyst has aluminosilicate molecular sieve, with Si/Al ratio of 30-300, specific surface area of 100-800 sq m/g and pore volume of 0.1-0.4 ml/g, so mother substance. The molecular sieve is first denaturing modified into H-molecular sieve and then denaturing modified with one or two modifying elements Ce, La and Ga, accounting for 1-10 wt% of the catalyst. Compared with available technology,the present invention has the advantages of lower catalyst preparing cost, relatively low direct amination temperature of isobutene to prepare tert-butyl amine within the favorable thermodynamic area, relatively high isobutene converting rate and relatively high tert-butyl amine selectivity. |
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The molecular sieve is first denaturing modified into H-molecular sieve and then denaturing modified with one or two modifying elements Ce, La and Ga, accounting for 1-10 wt% of the catalyst. 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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Catalyst for direct amination of isobutene to prepare aminated tert-butyl amine |
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