초록

Methylamines are prepared from methanol and ammonia in the presence of modified molecular sieve catalysts obtained by mixing crystalline molecular sieves such as SAPO with modifiers such as titanium oxide. The catalysts are also suitably used for a disproportionation reaction of monomethylamine.

대표청구항 ▼

[ What is claimed is:] [1.] A method for producing methylamines from methanol and ammonia which comprises conducting the reaction in the presence of a catalyst for producing methylamines, said catalyst comprising a crystalline molecular sieve mixed with at least one member selected from the group co

[ What is claimed is:] [1.] A method for producing methylamines from methanol and ammonia which comprises conducting the reaction in the presence of a catalyst for producing methylamines, said catalyst comprising a crystalline molecular sieve mixed with at least one member selected from the group consisting of titanium oxide, lanthanum oxide, zirconium oxide, yttrium oxide, cerium oxide, thorium oxide, niobium oxide, chromium oxide, molybdenum oxide, ruthenium oxide, rhenium oxide, iron oxide, cobalt oxide, palladium oxide, copper oxide, zinc oxide, gallium oxide, indium oxide, tin oxide, bismuth oxide, nickel oxide, manganese oxide, kaolinite, dickite, nacrite, halloysite, montmorillonite, talc, mica and illite, as a modifier which is 50% by weight or less in terms of oxide on the basis of the molecular sieve.