公开(公告)号：CA2387155A1

公开(公告)日：2001-04-19

申请号：CA2387155

申请日：2000-10-02

Applicant: BASF AG

Inventor： PAREDIS ELS ,  HOEPPNER GERD ,  GROSCH GEORG HEINRICH ,  BAUM EVA ,  WINKLER JURGEN ,  HARRE KATHRIN ,  OSTROWSKI THOMAS

IPC: C08G65/10 ,  C08G65/26 ,  C07D301/32

Abstract: The invention relates to a method for producing polyether alcohols by the catalytic reaction of H functional compounds with alkylene oxides, whereby a t least one multi-metal cyanide compound is used as the catalyst. The method i s characterised in that the total content of alkaline and acidic impurities contained in the starting material and the alkylene oxides, which reduce the activity of the catalyst, is less than 100 ppm.

公开(公告)号：HU9800529A2

公开(公告)日：1998-12-28

申请号：HU9800529

申请日：1998-03-10

Applicant: BASF AG

Inventor： BAUM EVA ,  KNORR GOTTFRIED ,  ROTERMUND UDO ,  SEIFERT HOLGER ,  WIEGMANN WERNER

IPC: C08J9/08 ,  C08G18/48 ,  C08G18/50 ,  C08G18/66 ,  C08J9/14 ,  C08J9/00

Abstract: The production of rigid polyurethane (PUR) foam with a low bulk density (I) comprises reacting (a) polyisocyanates and/or modified polyisocyanates with (b) high-mol. wt. compound(s) with at least two reactive hydrogens and optionally (c) low-mol. wt. chain-extenders and/or crosslinkers in presence of (d) blowing agents, (e) catalysts and optionally (f) other additives etc. Component (d) consists of a mixture of (d-1) cyclopentane, (d-2) at least one 3-4C alkane and/or alkene which forms a homogeneous mixture with cyclopentane and (d-3) the carbon dioxide from the reaction of water and isocyanate. Component (b) comprises aromatic nitrogen-containing polyethers.

公开(公告)号：DE19709868A1

公开(公告)日：1998-09-17

申请号：DE19709868

申请日：1997-03-11

Applicant: BASF AG

Inventor： KNORR GOTTFRIED DR ,  ROTERMUND UDO DR ,  BAUM EVA ,  SEIFERT HOLGER DR ,  WIEGMANN WERNER

IPC: C08J9/08 ,  C08G18/48 ,  C08G18/50 ,  C08G18/66 ,  C08J9/14 ,  C08L75/04 ,  C08J9/06 ,  F16L59/00 ,  E04B1/74 ,  F25D23/06

Abstract: The production of rigid polyurethane (PUR) foam with a low bulk density (I) comprises reacting (a) polyisocyanates and/or modified polyisocyanates with (b) high-mol. wt. compound(s) with at least two reactive hydrogens and optionally (c) low-mol. wt. chain-extenders and/or crosslinkers in presence of (d) blowing agents, (e) catalysts and optionally (f) other additives etc. Component (d) consists of a mixture of (d-1) cyclopentane, (d-2) at least one 3-4C alkane and/or alkene which forms a homogeneous mixture with cyclopentane and (d-3) the carbon dioxide from the reaction of water and isocyanate. Component (b) comprises aromatic nitrogen-containing polyethers.

公开(公告)号：MX2007012148A

公开(公告)日：2007-11-13

申请号：MX2007012148

申请日：2006-03-28

Applicant: BASF AG

Inventor： BAUM EVA ,  OSTROWSKI THOMAS ,  RUPPEL RAIMUND

IPC: C08G65/26

Abstract: Un proceso para preparar polioles de polieter comprende: A) preparar un precursor de poliol de polieter, B) preparar una suspension de un catalizador de DMC en un poliol, C) activar el catalizador de DMC llevando a contacto con un oxido de alquileno, proporcionando una suspension de catalizador de DMC activado, D) anadir la suspension de catalizador de DMC activado del paso C) al precursor de poliol de polieter, E) hacer reaccionar el precursor de poliol de polieter con oxido de alquileno y, si es apropiado, una substancia iniciadora H-funcional en presencia de un catalizador de DMC activado.

公开(公告)号：ES2250719T3

公开(公告)日：2006-04-16

申请号：ES02776928

申请日：2002-08-10

Applicant: BASF AG

Inventor： BAUM EVA ,  GROSCH GEORG HEINRICH ,  BECHTEL SIEGFRIED ,  RUPPEL RAIMUND ,  HARRE KATHRIN ,  BOHRES EDWARD

IPC: B01J19/10 ,  B01J27/26 ,  B01J37/34 ,  C08G65/26 ,  C08G65/28

Abstract: Procedimiento para el aumento de la actividad catalítica de compuestos de cianuro multimetálico para el empleo en la adición de óxidos de alquileno en substancias iniciadoras con H funcionales, caracterizado porque los compuestos de cianuro multimetálico se someten a una desaglomeración con ultrasonido inmediatamente antes de su mezcla con las substancias iniciadoras H funcionales.

公开(公告)号：MY120635A

公开(公告)日：2005-11-30

申请号：MYPI20004700

申请日：2000-10-09

Applicant: BASF AG

Inventor： BAUER STEPHAN DR ,  DINSCH STEFAN ,  ROTERMUND INGE ,  GROSCH GEORG HEINRICH DR ,  TISCHER GERLINDE ,  HARRE KATHRIN DR ,  BAUM EVA ,  OSTROWSKI THOMAS DR ,  LORENZ REINHARD PROF DR ,  PRETZSCH REGINA ,  PCOLINSKI MICHAEL

IPC: C08G63/66 ,  C08G65/12 ,  C08G18/40 ,  C08G18/42 ,  C08G18/48 ,  C08G65/26 ,  C08G81/00 ,  C08L71/02

Abstract: POLYESTER-POLYETHER BLOCK COPOLYMERS CAN BE PREPARED BY CATALYTIC ADDITION OF ALKYLENE OXIDES ONTO H-FUNCTIONAL INITIOR SUBSTANCES, USING POLYESTER ALCOHOLS AS H-FUNCTIONAL INITIATOR SUBSTANCES AND MULTIMETAL CYANIDE COMPOUNDS AS CATALYSTS.

公开(公告)号：DE50010642D1

公开(公告)日：2005-08-04

申请号：DE50010642

申请日：2000-05-19

Applicant: BASF AG

Inventor： GROSCH HEINRICH ,  HARRE KATHRIN ,  ERBES JOERG ,  LORENZ REINHARD ,  BAUER STEPHAN ,  OSTROWSKI THOMAS ,  BAUM EVA ,  JUNGE DIETER

IPC: B01J27/26 ,  C08G65/26 ,  C08G65/10

公开(公告)号：DE10324998A1

公开(公告)日：2004-12-23

申请号：DE10324998

申请日：2003-06-03

Applicant: BASF AG

Inventor： OSTROWSKI THOMAS ,  RUPPEL RAIMUND ,  BAUM EVA ,  HARRE KATHRIN

IPC: C08G65/26 ,  C08G65/30 ,  C08G65/28 ,  C08G18/48

Abstract: The present invention relates to polyetherols are prepared by a process comprising the reaction of at least one alkylene oxide with at least one initiator compound in the presence of at least one double metal cyanide compound to give a polyetherol and the treatment of the resulting polyetherol with steam or with an inert gas and steam, and the polyetherols obtainable by such a process as well as the use thereof for the synthesis of polyurethanes.

公开(公告)号：AU2003251463A1

公开(公告)日：2004-03-19

申请号：AU2003251463

申请日：2003-07-24

Applicant: BASF AG

Inventor： BAUER STEPHAN ,  RUPPEL RAIMUND ,  BAUM EVA ,  WINKLER JURGEN ,  BOHRES EDWARD

IPC: C08G18/48 ,  C08G65/26 ,  C08G18/08

Abstract: The present invention provides a process for producing low-emission flexible polyurethane foams having a reduced odor and reduced fogging by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups, c) blowing agents wherein polyether alcohols which have been prepared by addition of alkylene oxides onto compounds derived from renewable raw materials using DMC catalysts are used as compounds b) having at least two hydrogen atoms which are reactive toward isocyanate groups.

公开(公告)号：AU2003276911A1

公开(公告)日：2003-12-31

申请号：AU2003276911

申请日：2003-06-06

Applicant: BASF AG

Inventor： RUPPEL RAIMUND ,  BAUM EVA ,  WINKLER JURGEN ,  BOHRES EDWARD

IPC: C08G65/26

Abstract: The invention relates to a method for producing polyether alcohols, comprising the following steps: a) reacting a low-molecular alcohol with alkylene oxide in the presence of a basic catalyst in order to form an alkylene oxide addition product having a molecular weight ranging from 200 to 900 g/mol; b) separating the basic catalyst from the product obtained in step a), and; c) reacting the product obtained in step b) with another alkylene oxide in order to produce the desired final product while using at least one DMC catalyst. The inventive method is characterized in that sodium hydroxide is used as the basic catalyst in step a).