公开(公告)号：ES2240511T3

公开(公告)日：2005-10-16

申请号：ES01967141

申请日：2001-07-10

Applicant: BASF AG

Inventor： BASSLER PETER ,  WINTERLING HELMUT DR ,  FISCHER ROLF-HARTMUTH ,  LOTH WOLFGANG

IPC: C08G69/04 ,  C08G69/08 ,  C08G69/16 ,  C08G69/00

Abstract: Procedimiento continuo para la obtención de una poliamida por reacción de al menos un aminonitrilo con agua, que comprende las siguientes etapas: (1) reacción de al menos un aminonitrilo con agua en presencia de un diluyente líquido orgánico a una temperatura desde 90 hasta 400ºC y a una presión de 0, 1 hasta 35 x 106 Pa en un tubo de corriente, que contiene un catalizador de ácido de Brönsted, escogido entre un catalizador de beta-zeolita, de filosilicato o de dióxido de titanio, formado por un 70 hasta un 100 % en peso de anatasa y de un 0 hasta un 30 % en peso de rutilo, en el cual hasta un 40 % del dióxido de titanio puede estar substituido por óxido de tungsteno, obteniéndose una mezcla de reacción, (2) reacción adicional de la mezcla de reacción a una temperatura desde 150 hasta 400ºC y a una presión, que es más baja, que la presión en la etapa 1, que puede llevarse a cabo en presencia de un catalizador de ácido de Brönsted, escogido entre un catalizador de beta-zeolita, de filosilicato o de dióxido de titanio, formado por un 70 hasta un 100 % en peso de anatasa y de un 0 hasta un 30 % en peso de rutilo, en el cual puede estar substituido hasta un 40 % en peso del dióxido de titanio por óxido de tungsteno, seleccionándose la temperatura y la presión de tal manera, que se obtienen una primera fase de gas y una primera fase líquida o una primera fase sólida o una mezcla, constituida por una primera fase sólida y una primera fase líquida, y se separa la primera fase gaseosa de la primera fase líquida o de la primera fase sólida o de la mezcla, constituida por la primera fase líquida y la primera fase sólida, y (3) reacción de la primera fase líquida o de la primera fase sólida o de la mezcla, constituida por la primera fase líquida y la primer fase sólida, con una fase gaseosa o líquida, que contiene agua, a una temperatura desde 150 hasta 370ºC y a una presión de 0, 1 hasta 30 x 106 Pa, obteniéndose una mezcla de productos.

公开(公告)号：DE50106263D1

公开(公告)日：2005-06-23

申请号：DE50106263

申请日：2001-07-10

Applicant: BASF AG

Inventor： BASSLER PETER ,  WINTERLING DR ,  FISCHER ROLF-HARTMUTH ,  LOTH WOLFGANG

IPC: C08G69/04 ,  C08G69/08 ,  C08G69/16 ,  C08G69/00

Abstract: The continuous process for preparing a polyamide by reacting at least one aminonitrile with water comprises:(1) reacting at least one aminonitrile with water in the presence of an organic liquid diluent at from 90 to 400° C. and from 0.1 to 35x10 Pa in a flow tube containing a Brönsted acid catalyst selected from a beta-zeolite catalyst, a sheet-silicate catalyst or a titanium dioxide catalyst comprising from 70 to 100% by weight of anatase and from 0 to 30% by weight of rutile and in which up to 40% by weight of the titanium dioxide may be replaced by tungsten oxide, to obtain a reaction mixture,(2) further reacting the reaction mixture at from 150 to 400° C. and a pressure which is lower than the pressure in stage 1 in the presence of a Brönsted acid catalyst selected from a beta-zeolite catalyst, a sheet-silicate catalyst or a titanium dioxide catalyst comprising from 70 to 100% by weight of anatase and from 0 to 30% by weight of rutile and in which up to 40% by weight of the titanium dioxide may be replaced by tungsten oxide, the temperature and pressure being selected so as to obtain a first gas phase and a first liquid phase or a first solid phase or a mixture of first solid and first liquid phases and so that the first gas phase is separated from the first liquid phase or first solid phase or from the mixture of first liquid and first solid phases, and(3) admixing the first liquid or the first solid phase or the mixture of first liquid and first solid phases with a gaseous or liquid phase comprising water at from 150 to 370° C. and from 0.1 to 30x10 Pa, to obtain a product mixture.

公开(公告)号：BG107443A

公开(公告)日：2003-09-30

申请号：BG10744303

申请日：2003-01-07

Applicant: BASF AG

Inventor： BABLER PETER ,  WINTERLING HELMUT ,  FISCHER ROLF-HARTMUTH ,  LOTH WOLFGANG

IPC: C08G69/00 ,  C08G69/04 ,  C08G69/08 ,  C08G69/16

Abstract: The invention relates to a continuous method for producing a polyamide by reacting at least one aminonitrile with water. Said method comprises the following steps: (1) at least one aminonitrile is reacted with water in the presence of an organic liquid diluting agent at a temperature of 90 to 400 degrees C and a pressure of 0.1 to 35 x 106 Pa in a stream tube containing a Bronsted acid catalyst selected from a beta-zeolite, phyllosilicate, or titanium dioxide catalyst consisting of 70 to 100 wt.% of anatase and 0 to 30 wt.% of rutile, in which up to 40 wt.% of the titanium dioxide can be replaced by tungsten oxide, in order to obtain a reaction mixture, (2) the reaction mixture is further reacted at a temperature of 150 to 400 degrees C and a pressure which is lower than the pressure in step 1, in the presence of Bronsted acid catalyst selected from a beta-zeolite, phyllosilicate, or titanium dioxide catalyst consisting of 70 to 100 wt.% anatase and 0 to 30 wt.% rutile, in which up to 40 wt.% of the titanium dioxide can be replaced by tungsten oxide, the temperature and the pressure being chosen in such a way that a first gas phase and a first liquid phase or a first solid phase or a mixture of a first solid phase and a first liquid phase is obtained, the first gas phase being separated from the first liquid phase or first solid phase or the ,mixture of the first liquid phase and first solid phase, and (3) the first liquid phase or the first solid phase or the mixture of the first liquid phase and first solid phase is mixed with a gaseous phase or a liquid phase containing water, at a temperature of 150 to 370 degrees C and pressure of 0.1 to 30 x 106 Pa, in order to obtain a product mixture. 14 claims

公开(公告)号：AT237006T

公开(公告)日：2003-04-15

申请号：AT99967007

申请日：1999-12-24

Applicant: BASF AG

Inventor： HUEFFER STEPHAN ,  KREBS THILO ,  LOTH WOLFGANG ,  RUMPF BERND ,  STURM JUERGEN ,  DIEBOLD BERND ,  KORKHAUS JUERGEN ,  NILGES JOACHIM ,  FRANKE AXEL

IPC: C08F2/01 ,  C08F10/00 ,  C23C18/16 ,  C23C18/31 ,  C23C18/34 ,  C23C18/36 ,  C23C18/40 ,  C23C18/48 ,  C23C18/50 ,  C23C18/52 ,  F28F19/02 ,  F28F19/06

Abstract: The present invention relates to a process for coating apparatuses and apparatus parts for chemical plant construction-which are taken to mean, for example, apparatus, tank and reactor walls, discharge devices, valves, pumps, filters, compressors, centrifuges, columns, dryers, comminution machines, internals, packing elements and mixing elements-wherein a metal layer or a metal/polymer dispersion layer is deposited in an electroless manner on the apparatus(es) or apparatus part(s) to be coated by bringing the parts into contact with a metal electrolyte solution which, in addition to the metal electrolyte, comprises a reducing agent and optionally the polymer or polymer mixture to be deposited in dispersed form, where at least one polymer is halogenated.

公开(公告)号：ES2178784T3

公开(公告)日：2003-01-01

申请号：ES97941943

申请日：1997-08-18

Applicant: BASF AG

Inventor： FISCHER WOLFGANG ,  GAUSEPOHL HERMANN ,  KNOLL KONRAD ,  LATSCH STEFAN ,  LOTH WOLFGANG ,  SCHADE CHRISTIAN

IPC: C08F2/38 ,  C08F2/01 ,  C08F2/02 ,  C08F4/44 ,  C08F4/46 ,  C08F4/50 ,  C08F12/00 ,  C08F12/04 ,  C08F12/08 ,  C08F36/00 ,  C08F36/04 ,  C08F279/02 ,  C08F297/04

Abstract: A process for the continuous anionic polymerization or copolymerization of styrene or diene monomers using an alkali metal alkyl compound as polymerization initiator is carried out in the presence of an alkyl- or arylmetal compound of an element which occurs in at least divalent form as rate regulator, preferably under non-isothermal conditions and without back-mixing in a tubular or tube-bundle reactor, preferably using an alkyl- or arylmetal compound A of the formula R1M1 and an alkyl- or arylmetal compound B of the formula R2nM2 in a molar ratio between B and A of from 0.1:1 to 500:1, whereM1 is Li, Na or K;R1 is hydrogen, C1-C20-alkyl, C6-C20-aryl, or C7-C20-alkyl-substituted aryl;M2 is an n-valent element from group 2a, 2b or 3a of the Periodic Table; andR2 is hydrogen, halogen, C1-C20-alkyl or C6-C20-aryl; and a special anionic polymerization initiator containing no Lewis base.

公开(公告)号：AU8759401A

公开(公告)日：2002-02-05

申请号：AU8759401

申请日：2001-07-10

Applicant: BASF AG

Inventor： BASSLER PETER ,  WINTERLING HELMUT ,  FISCHER ROLF-HARTMUTH ,  LOTH WOLFGANG

IPC: C08G69/00 ,  C08G69/04 ,  C08G69/08 ,  C08G69/16

Abstract: The continuous process for preparing a polyamide by reacting at least one aminonitrile with water comprises:(1) reacting at least one aminonitrile with water in the presence of an organic liquid diluent at from 90 to 400° C. and from 0.1 to 35x10 Pa in a flow tube containing a Brönsted acid catalyst selected from a beta-zeolite catalyst, a sheet-silicate catalyst or a titanium dioxide catalyst comprising from 70 to 100% by weight of anatase and from 0 to 30% by weight of rutile and in which up to 40% by weight of the titanium dioxide may be replaced by tungsten oxide, to obtain a reaction mixture,(2) further reacting the reaction mixture at from 150 to 400° C. and a pressure which is lower than the pressure in stage 1 in the presence of a Brönsted acid catalyst selected from a beta-zeolite catalyst, a sheet-silicate catalyst or a titanium dioxide catalyst comprising from 70 to 100% by weight of anatase and from 0 to 30% by weight of rutile and in which up to 40% by weight of the titanium dioxide may be replaced by tungsten oxide, the temperature and pressure being selected so as to obtain a first gas phase and a first liquid phase or a first solid phase or a mixture of first solid and first liquid phases and so that the first gas phase is separated from the first liquid phase or first solid phase or from the mixture of first liquid and first solid phases, and(3) admixing the first liquid or the first solid phase or the mixture of first liquid and first solid phases with a gaseous or liquid phase comprising water at from 150 to 370° C. and from 0.1 to 30x10 Pa, to obtain a product mixture.

公开(公告)号：AU2616699A

公开(公告)日：1999-08-02

申请号：AU2616699

申请日：1999-01-12

Applicant: BASF AG

Inventor： HUNGENBERG KLAUS-DIETER ,  LOTH WOLFGANG ,  KNOLL KONRAD ,  JANKO LUTZ ,  BANDERMANN FRIEDHELM

IPC: C08F212/08 ,  C08F236/10 ,  C08F297/04

公开(公告)号：AU6092898A

公开(公告)日：1998-08-07

申请号：AU6092898

申请日：1998-01-08

Applicant: BASF AG

Inventor： SCHNEIDER MICHAEL ,  LOTH WOLFGANG ,  GAUSEPOHL HERMANN

IPC: C08F297/02 ,  C08L25/06 ,  C08L25/08 ,  C08L53/00

公开(公告)号：ES2178784T5

公开(公告)日：2008-02-01

申请号：ES97941943

申请日：1997-08-18

Applicant: BASF AG

Inventor： FISCHER WOLFGANG ,  GAUSEPOHL HERMANN ,  KNOLL KONRAD ,  LATSCH STEFAN ,  LOTH WOLFGANG ,  SCHADE CHRISTIAN

IPC: C08F2/38 ,  C08F12/08 ,  C08F2/01 ,  C08F2/02 ,  C08F4/44 ,  C08F4/46 ,  C08F4/50 ,  C08F12/00 ,  C08F12/04 ,  C08F36/00 ,  C08F36/04 ,  C08F279/02 ,  C08F297/04

Abstract: Procedimiento para la obtención de poliestireno, de copolímeros bloque de estireno-butadieno o de poliestireno resistente al impacto mediante la polimerización o mediante la copolimerización aniónica, continua, de monómeros de estireno o de dieno con alquilos o arilos de los metales alcalinos A, como iniciadores de la polimerización, caracterizado porque se lleva a cabo la polimerización en presencia de un alquilo o de un arilo metálico B de la fórmula R2nM2 como regulador de la velocidad, en la que M2: significa un elemento n-valente del grupo 2a o 2b del Sistema Periódico de los elementos o significa aluminio, y R2: significan, independientemente entre sí, hidrógeno, halógeno, alquilo con 1 a 20 átomos de carbono o arilo con 6 a 20 átomos de carbono, con la condición de que, al menos, un resto R2 signifique alquilo con 1 a 20 átomos de carbono o arilo con 6 a 20 átomos de carbono, y empleándose como disolvente el tolueno, el ciclohexano, el metilciclohexano, el hexano, el heptano, el etilbenceno o la decalina y siendo la concentración inicial en monómeros del 50 % en peso como mínimo.

公开(公告)号：AT295862T

公开(公告)日：2005-06-15

申请号：AT01967141

申请日：2001-07-10

Applicant: BASF AG

Inventor： BASSLER PETER ,  WINTERLING HELMUT DR ,  FISCHER ROLF-HARTMUTH ,  LOTH WOLFGANG

IPC: C08G69/00 ,  C08G69/04 ,  C08G69/08 ,  C08G69/16

Abstract: The continuous process for preparing a polyamide by reacting at least one aminonitrile with water comprises:(1) reacting at least one aminonitrile with water in the presence of an organic liquid diluent at from 90 to 400° C. and from 0.1 to 35x10 Pa in a flow tube containing a Brönsted acid catalyst selected from a beta-zeolite catalyst, a sheet-silicate catalyst or a titanium dioxide catalyst comprising from 70 to 100% by weight of anatase and from 0 to 30% by weight of rutile and in which up to 40% by weight of the titanium dioxide may be replaced by tungsten oxide, to obtain a reaction mixture,(2) further reacting the reaction mixture at from 150 to 400° C. and a pressure which is lower than the pressure in stage 1 in the presence of a Brönsted acid catalyst selected from a beta-zeolite catalyst, a sheet-silicate catalyst or a titanium dioxide catalyst comprising from 70 to 100% by weight of anatase and from 0 to 30% by weight of rutile and in which up to 40% by weight of the titanium dioxide may be replaced by tungsten oxide, the temperature and pressure being selected so as to obtain a first gas phase and a first liquid phase or a first solid phase or a mixture of first solid and first liquid phases and so that the first gas phase is separated from the first liquid phase or first solid phase or from the mixture of first liquid and first solid phases, and(3) admixing the first liquid or the first solid phase or the mixture of first liquid and first solid phases with a gaseous or liquid phase comprising water at from 150 to 370° C. and from 0.1 to 30x10 Pa, to obtain a product mixture.