摘要:
Shaped body comprising an aluminosilicate and aluminum oxide, wherein the shaped body has a molar Al/Si ratio in the range from 10 to 30 and an at least bimodal pore distribution for pores having a diameter of greater than 1 nm, with the volume of the pores of the shaped body having a diameter of greater than 10 nm corresponding to at least 40% of the total pore volume of the shaped body, process for producing it and process for the continuous preparation of methylamines by reaction of methanol and/or dimethyl ether with ammonia in the presence of a heterogeneous catalyst, wherein the abovementioned shaped bodies are used as catalyst.
摘要:
Shaped body comprising an aluminosilicate and aluminum oxide, wherein the shaped body has a molar Al/Si ratio in the range from 10 to 30 and an at least bimodal pore distribution for pores having a diameter of greater than 1 nm, with the volume of the pores of the shaped body having a diameter of greater than 10 nm corresponding to at least 40% of the total pore volume of the shaped body, process for producing it and process for the continuous preparation of methylamines by reaction of methanol and/or dimethyl ether with ammonia in the presence of a heterogeneous catalyst, wherein the abovementioned shaped bodies are used as catalyst.
摘要:
Process for the continuous synthesis of methylamines by reaction of methanol and/or dimethyl ether with ammonia in the presence of a heterogeneous catalyst, wherein the catalyst used is a shaped body which comprises a microporous material and at least one organosilicon compound as binder and can be produced by a process comprising the steps (I) preparation of a mixture comprising the microporous material, the binder, a pasting agent and a solvent, (II) mixing and densification of the mixture, (III) shaping of the densified mixture to give a shaped body, (IV) drying of the shaped body and (V) calcination of the dried shaped body.
摘要:
A process for producing a shaped body comprising a microporous material and at least one silicon-comprising binder, which comprises the steps(I) preparation of a mixture comprising the microporous material, the binder and a lubricant, (II) mixing and densification of the mixture, (III) shaping of the densified mixture to give a shaped body and (IV) calcination of the shaped body, wherein a silicone resin having a softening point of ≧30° C. is used as binder, shaped bodies which can be produced by this process, their use as catalyst, in particular in organic synthesis and very particularly preferably in a process for preparing methylamines.
摘要:
The present invention relates to a process for preparing ethanolamines by reacting glycolaldehyde with monoethanolamine and/or diethanolamine in the presence of a catalyst.
摘要:
The present invention relates to a process for reacting glycolaldehyde with an aminating agent in the presence of hydrogen and of a catalyst, the catalyst being activated by reducing a catalyst precursor or by reducing a passivated catalyst, which comprises effecting the reaction in the presence of a solvent and contacting the glycolaldehyde with the activated catalyst.
摘要:
The present invention relates to a process for reacting glycolaldehyde with an aminating agent in the presence of hydrogen and of a catalyst, the catalyst being activated by reducing a catalyst precursor or by reducing a passivated catalyst, which comprises effecting the reaction in the presence of a solvent and contacting the glycolaldehyde with the activated catalyst.
摘要:
The present invention relates to a process for preparing ethanolamines by reacting glycolaldehyde with monoethanolamine and/or diethanolamine in the presence of a catalyst.
摘要:
A process for producing a shaped body comprising a microporous material and at least one silicon-comprising binder, which comprises the steps (I) preparation of a mixture comprising the microporous material, the binder and a lubricant, (II) mixing and densification of the mixture, (III) shaping of the densified mixture to give a shaped body and (IV) calcination of the shaped body, wherein a silicone resin having a softening point of ≧30° C. is used as binder, shaped bodies which can be produced by this process, their use as catalyst, in particular in organic synthesis and very particularly preferably in a process for preparing methylamines.
摘要:
The invention relates to N′-substituted N-acylamidine transition metal complexes of the general formula (I), wherein M represents a transition metal, selected from the group of metals including Ni, Cu, Ru, Rh, Pd, Os, Ir and Pt, X represents Cl, Br, triflate, methane sulfonate or p-toluol sulfonate, m is 0, 1 or 2, n is 1, 2 or 3 and the radicals have the following meanings: R1, R2 is a straight-chain or branched, cyclic hydrocarbon group with 1 to 20 carbon atoms which can be mono or poly-unsaturated, an aromatic group with 3 to 6 chain members, which is linked directly or via a C1 to C6 alkyl or C2 to C6 alkylene group, whereby the mentioned groups can carry one or more substituents. Ar represents C6 to C10 aryl or hetaryl with 5 to 10 ring members, whereby the mentioned groups can be substituted by C1 to C6 alkyl, C1 to C4 halogenalkyl, NR10R11, COOR6, Si(R7)3Si(R7)2R8, OR3 and/or halogen. The invention also relates to a method for producing this new class of metal transition complexes and their use as catalysts.
摘要翻译:本发明涉及通式(I)的N-取代的N-酰基脒过渡金属络合物,其中M表示过渡金属,其选自包括Ni,Cu,Ru,Rh,Pd,Os,Ir的金属和 Pt,X表示Cl,Br,三氟甲磺酸酯,甲磺酸酯或对甲苯磺酸酯,m为0,1或2,n为1,2或3,基团具有以下含义:R 1, R 2是具有1至20个碳原子的直链或支链的环烃基,其可以是单或多不饱和的,具有3至6个链成员的芳族基团,其直接连接 或通过C 1至C 6烷基或C 2至C 6亚烷基,由此所述基团 可携带一个或多个取代基。 Ar表示C 10至C 10芳基或杂芳基与5至10个环成员,其中所述基团可被C 1至C取代至C C 1 -C 6烷基,C 1至C 4卤代烷基,NR 10 R 11, COOR 6,Si(R 7)3 Si(R 7 7)2 R 8,或3和/或卤素。 本发明还涉及一种生产这种新型金属过渡配合物的方法及其作为催化剂的用途