Production of n-alkenylcarboxamide
    1.
    发明专利
    Production of n-alkenylcarboxamide 审中-公开
    N-烷基胆酰胺的生产

    公开(公告)号:JPH11279145A

    公开(公告)日:1999-10-12

    申请号:JP738599

    申请日:1999-01-14

    CPC classification number: C07D207/267 B01J29/061

    Abstract: PROBLEM TO BE SOLVED: To provide a method for producing an N-alkenylcarboxamide, making it possible to achieve a high conversion and a high selectivity and capable of being performed under the atmospheric pressure, and especially to provide a method for synthesizing N-vinylpyrrolidone(NVP) from N-(2-hydroxyethyl) pyrrolidone(HEP).
    SOLUTION: This method for producing an N-alkenylcarboxamide comprises dehydrating an N-(2-hydroxyalkyl)carboxamide and/or its diether in the presence of a catalyst. Therein, a molecular sieve having a modulus of at least 140, especially zeolite, is used as the catalyst.
    COPYRIGHT: (C)1999,JPO

    Abstract translation: 要解决的问题:为了提供N-烯基羧酰胺的制造方法,可以实现高转化率和高选择性,并且能够在大气压下进行,特别是提供一种合成N-乙烯基吡咯烷酮( NVP)来自N-(2-羟乙基)吡咯烷酮(HEP)。 解决方案:该制备N-链烯基羧酰胺的方法包括在催化剂存在下脱水N-(2-羟基烷基)甲酰胺和/或其二醚。 其中,使用模量为至少140的分子筛,特别是沸石,作为催化剂。

    PREPARATION OF HALOGEN-FREE, REACTIVE POLYISOBUTENE

    公开(公告)号:MY120371A

    公开(公告)日:2005-10-31

    申请号:MYPI9903275

    申请日:1999-07-30

    Applicant: BASF AG

    Abstract: A PROCESS FOR PREPARING HALOGEN-FREE, REACTIVE POLYISOBUTENE HAVING A TERMINAL DOUBLE BOND CONTENT OF MORE THAN 60 MOL% AND AN AVERAGE MOLECULAR WEIGHT MN OF 800-3000 DALTON BY CATIONIC POLYMERIZATION IN THE LIQUID PHASE OF ISOBUTENE OVER AN ACIDIC, ESSENTIALLY HALOGEN-FREE HETEROGENEOUS CATALYST, WHERE A) A HYDROCARBON MIXTURE OF ESSENTIALLY C4-HYDROCARBONS COMPRISING ISOBUTENE IN AN AMOUNT OF FROM 10 TO 80% BY WEIGHT IS USED AS THE STARTING MATERIAL AND B) POLYMERIZATION IS CARRIED OUT CONTINUOUSLY AT FROM -30 TO 0°C WITH AVERAGE STARTING MATERIAL RESIDENCE TIMES OF ONE HOUR OR LESS, WHERE THE TEMPERATURE AND THE RESIDENCE TIME ARE SELECTED SUCH THAT THE ISOBUTENE CONVERSION IS LESS THAN 60% AND, AFTER SEPARATION FROM THE RESULTING POLYISOBUTENE, THE ISOBUTENE IS EITHER ENRICHED IN THE PARTIALLY CONVERTED HYDROCARBON MIXTURE AND RETURNED TO THE POLYMERIZATION OR PASSED TO ANOTHER ISOBUTENE REACTION COUPLED WITH THE POLYMERIZATION.

    3.
    发明专利
    未知

    公开(公告)号:DE59804828D1

    公开(公告)日:2002-08-22

    申请号:DE59804828

    申请日:1998-09-28

    Applicant: BASF AG

    Abstract: A crystalline multimetal cyanide complex of the formula (I)whereM1 is at least one element from the group consisting of Zn(II), Fe(II), Co(III), Ni(II), Mn(II), Co(II), Sn(II). Pb(II), Fe(III), Mo(IV), Mo(VI), Al(III), V(IV), V(V), Sr(II, W(IV), W(VI), Cu(II), and Cr(III),M2 is at least one element from the group consisting of Fe(II), Fe(III), Co(III), Cr(III), Mn(II), Mn(III), Ir(III), Rh(III), Ru(II), V(IV), V(V), Co(II) and Cr(II),L1 is at least one ligand from the group consisting of cyanide, carbonyl, cyanate, isocyanate, nitrile, thiocyanate and nitrosyl,X is a formate anion, an acetate anion or propionate anion,L2 is at least one water-miscible ligand from the group consisting of alcohols, aldehydes, ketones, ethers, polyethers, esters, urea derivatives, amides, nitriles and sulfides,a, b, c, d, e, f, g, h, i are integers, witha, b, c and d being chosen so that the electrical neutrality condition is satisfied, andf and g being chosen so that the electrical neutrality condition is satisfied,the X-ray diffiactogram of which shows reflections at particular d values, can be employed as catalyst.

    Method for producing halogen-free reactive polyisobutene

    公开(公告)号:AU5282699A

    公开(公告)日:2000-02-28

    申请号:AU5282699

    申请日:1999-07-15

    Applicant: BASF AG

    Abstract: A process for preparing halogen-free, reactive polyisobutene having a terminal double bond content of more than 60 mol % and an average molecular weight Mn of 800-3000 dalton by cationic polymerization in the liquid phase of isobutene over an acidic, essentially halogen-free heterogeneous catalyst, wherea) a hydrocarbon mixture of essentially C4-hydrocarbons comprising isobutene in an amount of from 10 to 80% by weight is used as the starting material andb) polymerization is carried out continuously at from -30 to 0° C. with average starting material residence times of one hour or less, where the temperature and the residence time are selected such that the isobutene conversion is less than 60% and, after separation from the resulting polyisobutene, the isobutene is either enriched in the partially converted hydrocarbon mixture and returned to the polymerization or passed to another isobutene reaction coupled with the polymerization.

    6.
    发明专利
    未知

    公开(公告)号:ES2133991T3

    公开(公告)日:1999-09-16

    申请号:ES96929205

    申请日:1996-08-05

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP96/03441 Sec. 371 Date Jan. 27, 1998 Sec. 102(e) Date Jan. 27, 1998 PCT Filed Aug. 5, 1996 PCT Pub. No. WO97/06189 PCT Pub. Date Feb. 20, 1997A process for the preparation of halogen-free, reactive polyisobutene having a content of terminal double bonds of more than 50 mol % and an average molecular weight Mn of from 500 to 5000 dalton by the cationic polymerization of isobutene or isobutene-containing hydrocarbon mixtures in the liquid phase, wherein the polymerization is carried out at a temperature of from -30 DEG to +40 DEG C. over a heterogeneous polymerization catalyst containing at least one element acting as promoter and selected from Group IB, Group IIB, Group IIIB, Group IVB, Group VB, Group VIIB, or Group VIIIB of the Periodic Table or from Group IIA, Group IIIA, Group IVA, Group VA, or Group VIA of the Periodic Table or a number of said elements in each case in the form of an oxygen-containing compound and zirconium in the form of an oxygen-containing compound, said polymerization catalyst containing no industrially effective amounts of halogens.

    MULTI-METAL CYANIDE COMPLEXES AS CATALYSTS

    公开(公告)号:CA2305668A1

    公开(公告)日:1999-04-08

    申请号:CA2305668

    申请日:1998-09-28

    Applicant: BASF AG

    Abstract: The invention relates to a crystalline multi-metal cyanide complex of general formula (I) M1aM2(CN)bL1c!d*e(M1fXg)*hL2'iH2O, in which M1 represents at least one element from the group comprised of Zn(II), Fe(II), Co(III), Ni(II), Mn(II), Co(II), Sn(II), Pb(II), Fe(III), Mo(IV), Mo(VI), Al(III), V(IV), V(V), Sr(II), W(IV), W(VI), Cu(II) and Cr(III). M2 represents at least one element from the group comprised of Fe(II), Fe (III), Co(III), Cr(III), Mn(II), Mn(III), Ir(III), Rh(III), Ru(II), V(IV), V(V), Co(II) and Cr(II). L1 represents at least one ligand from the group comprised of cyanide, carbonyl, cyanate, isocyanate, nitrile, thiocyanate and nitrosyl. X represents one formate anion, acetate anion or propionate anion. L2 represents one ligand which is mixable with water and from the group comprised of alcohols, aldhydes, ketones, ethers, polyethers, esters, urea derivatives, amides, nitriles and sulfides. a, b, c, d, e, f, g, h, i are whole numbers, whereby a, b, c and d are selected such that the electroneutrality condition is fulfilled and f and g are selected such that the electroneutrality condition is also fulfilled. According to the invention, the inventive complex has x-ray diffractogram reflexes at determined d-values and can be used as a catalyst.

    METODO PARA LA PRODUCCION DE POLIISOBUTENO REACTIVO, EXENTO DE HALOGENOS.

    公开(公告)号:MX9801040A

    公开(公告)日:1998-05-31

    申请号:MX9801040

    申请日:1996-08-05

    Applicant: BASF AG

    Abstract: Se describe un método para producir poliisobuteno reactivo exento de halogenos que tiene más del 50% molar de dobles enlaces terminales y un peso molecular promedio Mn de 500 a 5000 Daltons mediante la polimerizacion cationica de isobuteno o bien de mezclas de hidrocarburos que contienen isobuteno en la fase líquida, la polimerizacion se lleva a acabo a una temperatura comprendida entre -30 degree C y +40 degree C en un catalizador de polimerizacion heterogéneo que incluye al menos un elemento que actua como promotor seleccionado dentro del primer, segundo, tercer, cuarto, quinto, séptimo y octavo subgrupo de la tabla periodica de los elementos o bien a partir del segundo, tercer, cuarto, quinto o sexto grupo principal de la tabla periodica de la tabla periodica o bien varios elementos de este tipo, cada uno en forma de un compuesto que contiene oxígeno, más zirconio en forma de un compuesto que contiene oxígeno, el catalizador no contiene cantidades técnicamente significativa de halogenos.

    Method of producing reactive halogen-free polyisobutene

    公开(公告)号:AU6870596A

    公开(公告)日:1997-03-05

    申请号:AU6870596

    申请日:1996-08-05

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP96/03441 Sec. 371 Date Jan. 27, 1998 Sec. 102(e) Date Jan. 27, 1998 PCT Filed Aug. 5, 1996 PCT Pub. No. WO97/06189 PCT Pub. Date Feb. 20, 1997A process for the preparation of halogen-free, reactive polyisobutene having a content of terminal double bonds of more than 50 mol % and an average molecular weight Mn of from 500 to 5000 dalton by the cationic polymerization of isobutene or isobutene-containing hydrocarbon mixtures in the liquid phase, wherein the polymerization is carried out at a temperature of from -30 DEG to +40 DEG C. over a heterogeneous polymerization catalyst containing at least one element acting as promoter and selected from Group IB, Group IIB, Group IIIB, Group IVB, Group VB, Group VIIB, or Group VIIIB of the Periodic Table or from Group IIA, Group IIIA, Group IVA, Group VA, or Group VIA of the Periodic Table or a number of said elements in each case in the form of an oxygen-containing compound and zirconium in the form of an oxygen-containing compound, said polymerization catalyst containing no industrially effective amounts of halogens.

    PREPARATION OF HALOGEN-FREE, REACTIVE POLYISOBUTENE

    公开(公告)号:CA2225500A1

    公开(公告)日:1997-02-20

    申请号:CA2225500

    申请日:1996-08-05

    Applicant: BASF AG

    Abstract: Described is a method of producing reactive halogen-free polyisobutene having more than 50 mole % of terminal double bonds and a mean molecular weight Mn of 500 to 5000 Daltons by the cationic polymerization of isobutene or isobutenecontaining hydrocarbon mixtures in the liquid phase, the polymerization being carried out at a temperature of -30 to +40 ~C over a heterogeneous polymerization catalyst which includes at least one element which acts as promoter selected from the Ist, IInd, IIIrd, IVth, Vth, VIIth or VIIIth subgroup of the periodic table of the elements or from the IInd, IIIrd, IVth, Vth or VIth main group of the periodic table, or several such elements, each in the form of an oxygen-containing compound, plus zirconium in the form of an oxygen-containing compound, the catalyst not containing technically significant amounts of halogens.

Patent Agency Ranking