公开(公告)号：DE19801462A1

公开(公告)日：1999-07-22

申请号：DE19801462

申请日：1998-01-16

Applicant: BASF AG

Inventor： ELLER KARSTEN DR ,  RUETTER HEINZ DR ,  HESSE MICHAEL DR ,  BECKER RAINER DR

IPC: B01J21/16 ,  C08G61/12 ,  C08G65/10 ,  C08G65/20 ,  C08G65/26 ,  C08F234/02

Abstract: Polytetrahydrofuran (PTHF) or copolymers or di- or mono- esters thereof, are produced by polymerization of THF in presence of telogen(s) and/or comonomer(s) on acid-activated calcium montmorillonite catalysts with a BET surface of \- 300 m /g, an acidity of \- 0.02 mmol/g at a pKs /g for pore sizes of 30-200 Angstrom .

公开(公告)号：DE19801419A1

公开(公告)日：1999-07-22

申请号：DE19801419

申请日：1998-01-16

Applicant: BASF AG

Inventor： ELLER KARSTEN DR ,  HESSE MICHAEL DR ,  BECKER RAINER DR ,  HOEHN ARTHUR DR ,  RUETTER HEINZ DR

IPC: C08G65/20 ,  C08G65/26

Abstract: Hectorite is used as the heterogeneous catalyst in a process for the production of poly-tetrahydro- furan (PTHF), PTHF copolymers and di- or mono-esters of these polymers by polymerisation of THF in presence of telogen(s) and/or comonomer(s).

公开(公告)号：DE19757297A1

公开(公告)日：1999-06-24

申请号：DE19757297

申请日：1997-12-22

Applicant: BASF AG

Inventor： HEINEKE DANIEL DR ,  MEISNER RUPRECHT ,  HESSE MICHAEL DR

IPC: B01J23/72 ,  B01J31/06 ,  B01J37/02 ,  B01J37/03 ,  B01J37/04 ,  B01J37/08 ,  C07B35/04 ,  C07B61/00 ,  C07C45/00 ,  C07C45/29 ,  C07C49/403

Abstract: Preparation of oxidative catalysts with copper in an oxidative state of above 0 involves treating a support with an aqueous solution containing a copper salt(s) containing an organic, water-soluble polymer co-ordinatively bonded to copper ions and calcining Preparation of oxidative catalysts with copper in an oxidative state of above 0 comprises treating a solid, oxidative support with an aqueous solution containing a copper salt(s), containing an organic, water-soluble polymer co-ordinatively bonded to copper ions, at 0.100 g/l and calcining. Independent claims are included for the prepared catalyst, and a dehydrogenation process for sec. alcohols using the catalyst.

公开(公告)号：DE19755415A1

公开(公告)日：1999-06-17

申请号：DE19755415

申请日：1997-12-12

Applicant: BASF AG

Inventor： ELLER KARSTEN DR ,  RUETTER HEINZ DR ,  HESSE MICHAEL DR ,  BECKER RAINER DR

IPC: C08G65/10 ,  C08G65/20 ,  C08G65/26

Abstract: The invention relates to a method for producing polytetrahydrofuran and polytetrahydrofuran copolymers, diesters or monoesters thereof by polymerising tetrahydrofuran in the presence of at least one telogen and/or comonomer on acid- activated montmorillonite catalysts, whereby the ratio of the montmorillonite structure to the sum of the muscovite and kaolin structure in the montmorillonite catalyst, which is determined from the intensities of the reflexes measured at 5.5 DEG 2È for montmorillonite, 9.0 DEG 2È for muscovite and 12,5 DEG 2È for kaolin is, after acid activation, at least 5:1.

公开(公告)号：DE59504619D1

公开(公告)日：1999-02-04

申请号：DE59504619

申请日：1995-08-09

Applicant: BASF AG

Inventor： KOEHLER ULRICH DR ,  PAPE FRANK-FRIEDRICH DR ,  IRGANG MATTHIAS DR ,  WULFF-DOERING JOACHIM DR ,  HESSE MICHAEL DR ,  POLANEK PETER DR ,  GAA PETER

IPC: B01J23/40 ,  B01J23/42 ,  B01J23/58 ,  B01J23/63 ,  C07B61/00 ,  C07C209/16 ,  C07C209/68 ,  C07C209/72 ,  C07C211/45

Abstract: Prodn. of arylamines of formula (I) comprises (a) preparing a cycloalkylamine of formula (II) by the hydrogenative amination of a phenol (III) with NH3/H2 at 100-250 deg.C under 0.01-50 bar pressure in the presence of catalyst (A); and (b) dehydrogenation of (II) at 150-300 deg.C under 0.01-50 bar pressure in the presence of a catalyst (A). (A) comprises: 30-100 wt.% of a Pd component (A1) and 0-70 wt.% alkali- and/or alkaline earth oxide. (A1) comprises Pd (opt. mixed with Pt) on oxides of rare earth and/or Group IVb; or Pt/Pd mixts. on Al2O3. R1-R5 = H, 1-12C alkyl or 3-12C cycloalkyl. Step (b) is independently claimed.

公开(公告)号：AT174897T

公开(公告)日：1999-01-15

申请号：AT95112478

申请日：1995-08-09

Applicant: BASF AG

Inventor： KOEHLER ULRICH DR ,  PAPE FRANK-FRIEDRICH DR ,  IRGANG MATTHIAS DR ,  WULFF-DOERING JOACHIM DR ,  HESSE MICHAEL DR ,  POLANEK PETER DR ,  GAA PETER

IPC: B01J23/40 ,  B01J23/42 ,  B01J23/58 ,  B01J23/63 ,  C07B61/00 ,  C07C209/16 ,  C07C209/68 ,  C07C209/72 ,  C07C211/45

Abstract: Prodn. of arylamines of formula (I) comprises (a) preparing a cycloalkylamine of formula (II) by the hydrogenative amination of a phenol (III) with NH3/H2 at 100-250 deg.C under 0.01-50 bar pressure in the presence of catalyst (A); and (b) dehydrogenation of (II) at 150-300 deg.C under 0.01-50 bar pressure in the presence of a catalyst (A). (A) comprises: 30-100 wt.% of a Pd component (A1) and 0-70 wt.% alkali- and/or alkaline earth oxide. (A1) comprises Pd (opt. mixed with Pt) on oxides of rare earth and/or Group IVb; or Pt/Pd mixts. on Al2O3. R1-R5 = H, 1-12C alkyl or 3-12C cycloalkyl. Step (b) is independently claimed.

公开(公告)号：DE19724237A1

公开(公告)日：1998-12-10

申请号：DE19724237

申请日：1997-06-09

Applicant: BASF AG

Inventor： BECKER RAINER DR ,  ELLER KARSTEN DR ,  LANGENSIEPEN HANS-WERNER DR ,  HESSE MICHAEL DR

IPC: B01J21/16 ,  C07C209/78 ,  C07C211/54

Abstract: Production of aromatic polyamine mixtures contg. cpds. of formula: H2NACH2BNH2(I) (where, A and B = 1,4-phenylene residues which can have 1-4 substits. chosen from 1-20C alkyls and halogens) comprises converting a cpd. of formula: HANHCH2NHBH (IV) and/or a cpd. of formula HANHCH2BNH2 (V) (where, A and B = as above) at a temp. of 20-200 deg C in the presence of a heterogeneous inorganic catalyst chosen from: (a) oxides of 3-10 group element which can be acid-activated; (b) a clay doped with an oxide of a 2-13 group element or lanthanide which an be acid-activated; and (c) opt. acid-activated layered silicates acidity of below pK3 = 0.5 of more than 0.05 mmol/g catalyst.

公开(公告)号：DE19642490A1

公开(公告)日：1998-04-16

申请号：DE19642490

申请日：1996-10-15

Applicant: BASF AG

Inventor： BREITENBACH JOERG DR ,  SCHADE CHRISTIAN DR ,  SIGWART CHRISTOPH DR ,  MUELLER ULRICH DR ,  HESSE MICHAEL DR ,  NEGELE ANTON DR ,  RUEBENACKER MARTIN DR ,  ELLER KARSTEN DR

IPC: C08F4/606 ,  C08F26/02 ,  C08F26/00 ,  A61K31/795

Abstract: Cationic polymerisation of N-vinylamides, optionally with comonomers, is initiated by a heterogeneous catalyst which is: (i) a carrier catalyst; (ii) an acid-activated layered silicate; (iii) a zeolite or silico-alumo-phosphate of zeolitic structure; (iv) a hetero-polyacid, or (v) a crosslinked polymer containing fluorosulphonic acid groups. The N-vinylamide is preferably N-vinyl pyrrolidone or a compound of formula (I) CH2=CH-N(COR )(R ) (I) R , R = H or 1-6C alkyl, especially N-vinyl formamide.

公开(公告)号：DE19641481A1

公开(公告)日：1998-04-16

申请号：DE19641481

申请日：1996-10-09

Applicant: BASF AG

Inventor： SIGWART CHRISTOPH DR ,  ELLER KARSTEN DR ,  BECKER RAINER DR ,  PLITZKO KLAUS-DIETER DR ,  FISCHER ROLF HARTMUTH DR ,  STEIN FRANK DR ,  MUELLER ULRICH DR ,  HESSE MICHAEL DR

IPC: C08G65/10 ,  B01J23/24 ,  C08G18/48 ,  C08G65/20 ,  C08G65/28 ,  C08G65/32 ,  B01J23/30

Abstract: The invention concerns a process for preparing polytetrahydrofuran, copolymers of tetrahydrofuran and 2-butin-1,4-diol, diesters of these polymers with C2-C20 monocarboxylic acids or monoesters of these polymers with C1-C10 monocarboxylic acids by polymerizing tetrahydrofuran in the presence of one of the following telogens, water, 1,-4-butane diol, 2-butin-1,4-diol, polytetrahydrofuran with a molecular weight of between 200 and 700 Dalton, or of a C1-C10 monocarboxylic acid or a carboxylic acid anhydride produced from C2-C20 monocarboxylic acids or mixtures of these telogens on a heterogeneous carrier catalyst which contains a catalytically active amount of an oxygenous molybdenum and/or tungsten compound on an oxidic carrier material, and which has been calcined at temperatures of between 500 DEG C and 1000 DEG C after application of the precursor compounds of the oxygenous molybdenum and/or tungsten compounds to the carrier material precursors. Before it is used as a polymerization catalyst, the catalyst is activated by treatment with a reducing agent.

公开(公告)号：DE19635893A1

公开(公告)日：1998-03-05

申请号：DE19635893

申请日：1996-09-04

Applicant: BASF AG

Inventor： MORSBACH BERND ,  HESSE MICHAEL DR

IPC: B01D53/86 ,  B01D53/94 ,  B01J21/16 ,  B01J23/22 ,  B01J23/30 ,  B01J35/10 ,  B01J37/00 ,  B01D53/56

Abstract: Supported catalyst composition comprises TiO2, WO3 and V2O5 or their precursors and has a bimodal pore size distribution in the regions of 5-30 nm and 45-100 nm, preferably 10-30 nm and 50-100 nm. The V2O5 is distributed on the larger pores of the bimodal pore size distribution. Production of the catalyst composition is also claimed.