The disclosure is related to EMM-31 materials, processes, and uses of the same as well as reagents used in the preparation of the EMM-31 materials, process and intermediates for preparing these reagents.

The disclosure is related to EMM-31 materials, processes, and uses of the same as well as reagents used in the preparation of the EMM-31 materials, process and intermediates for preparing these reagents.

The present invention relates to a process for the production of a boron-containing zeolitic material having an MWW framework structure comprising YO.sub.2 and B.sub.2O.sub.3, wherein Y stands for a tetravalent element, wherein said process comprises

(a) providing a mixture comprising one or more sources for YO.sub.2, one or more sources for B.sub.2O.sub.3, one or more organotemplates, and seed crystals,
(b) crystallizing the mixture obtained in (a) for obtaining a layered precursor of the boron-containing MWW-type zeolitic material,
(c) calcining the layered precursor obtained in (b) for obtaining the boron-containing zeolitic material having an MWW framework structure,
wherein the one or more organotemplates have the formula (I)

R.sup.1R.sup.2R.sup.3N(I)

wherein R.sup.1 is (C.sub.5-C.sub.8)cycloalkyl, and
wherein R.sup.2 and R.sup.3 are independently from each other H or alkyl, as well as to a synthetic boron-containing zeolite which is obtainable and/or obtained according to the inventive process as well as to its use.

The present invention relates to a process for the production of a boron-containing zeolitic material having an MWW framework structure comprising YO.sub.2 and B.sub.2O.sub.3, wherein Y stands for a tetravalent element, wherein said process comprises

(a) providing a mixture comprising one or more sources for YO.sub.2, one or more sources for B.sub.2O.sub.3, one or more organotemplates, and seed crystals,
(b) crystallizing the mixture obtained in (a) for obtaining a layered precursor of the boron-containing MWW-type zeolitic material,
(c) calcining the layered precursor obtained in (b) for obtaining the boron-containing zeolitic material having an MWW framework structure,
wherein the one or more organotemplates have the formula (I)

R.sup.1R.sup.2R.sup.3N(I)

wherein R.sup.1 is (C.sub.5-C.sub.8)cycloalkyl, and
wherein R.sup.2 and R.sup.3 are independently from each other H or alkyl, as well as to a synthetic boron-containing zeolite which is obtainable and/or obtained according to the inventive process as well as to its use.

The invention relates to a zeolitic material comprising zeolitic monocrystals, each of which has a pore system encompassing at least one micropore system and at least one macropore system, and to a method for producing a zeolitic material of said type. In said method, porous oxide particles are converted into the zeolitic material in the presence of an organic template and steam.

The invention relates to a zeolitic material comprising zeolitic monocrystals, each of which has a pore system encompassing at least one micropore system and at least one macropore system, and to a method for producing a zeolitic material of said type. In said method, porous oxide particles are converted into the zeolitic material in the presence of an organic template and steam.

A process for the preparation of a zeolitic material having an MWW framework structure and comprising boron and titanium, the process comprising (i) providing an aqueous synthesis mixture comprising a silica source, a boron source, a titanium source, and an MWW templating agent; (ii) heating the aqueous synthesis mixture to a temperature in the range of from 160 to 190 C.; (iii) subjecting the synthesis mixture (ii) to hydrothermal synthesis conditions, obtaining, in its mother liquor, a precursor of the zeolitic material; (iv) separating the precursor from its mother liquor; (v) calcining the separated precursor, obtaining the zeolitic material having an MWW framework structure and comprising boron and titanium.

A process for the preparation of a zeolitic material having an MWW framework structure and comprising boron and titanium, the process comprising (i) providing an aqueous synthesis mixture comprising a silica source, a boron source, a titanium source, and an MWW templating agent; (ii) heating the aqueous synthesis mixture to a temperature in the range of from 160 to 190 C.; (iii) subjecting the synthesis mixture (ii) to hydrothermal synthesis conditions, obtaining, in its mother liquor, a precursor of the zeolitic material; (iv) separating the precursor from its mother liquor; (v) calcining the separated precursor, obtaining the zeolitic material having an MWW framework structure and comprising boron and titanium.

A molecular sieve having the framework structure of ZSM-5 is produced using one or more of 1,4-bis(N-pentylpyrrolidinium)butane dications, 1,5-bis(N-pentylpyrrolidinium)pentane dications, and 1,6-bis(N-pentylpyrrolidinium)hexane dications as a structure directing agent.

A molecular sieve having the framework structure of ZSM-5 is produced using one or more of 1,4-bis(N-pentylpyrrolidinium)butane dications, 1,5-bis(N-pentylpyrrolidinium)pentane dications, and 1,6-bis(N-pentylpyrrolidinium)hexane dications as a structure directing agent.