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公开(公告)号：BRPI0413629A
公开(公告)日：2006-10-17
申请号：BRPI0413629
申请日：2004-07-15
Applicant: BASF AG
Inventor： DEMETER JUERGEN , SOETJE OLIVER , BASSLER HANS-JUERGEN , DEININGER JUERGEN , KLAPPERT KARL-HEINRICH , WINTERLING HELMUT
Abstract: An apparatus for making polyamides oligomers thereof mixtures thereof, the apparatus comprising a material selected from the group consisting of a) an austenitic steel comprising from 15 to 25% by weight of chromium, from 3 to 35% by weight of nickel and from 0 to 10% by weight of molybdenum, and iron, b) a duplex steel comprising from 20 to 30% by weight of chromium, from 3 to 10% by weight of nickel and from 0 to 5% by weight of molybdenum, and iron, and c) a nickel-based alloy comprising from 12 to 25% by weight of chromium and from 12 to 20% by weight of molybdenum, and nickel
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公开(公告)号：AT332327T
公开(公告)日：2006-07-15
申请号：AT03720432
申请日：2003-04-08
Applicant: BASF AG
Inventor： WINTERLING HELMUT , BENISCH CHRISTOPH , HAHN THILO
Abstract: A process for preparing a polyamide by reacting a mixture which comprises a monomer which has a nitrile group and has at least one other functional group capable of forming a carboxamide group, and comprises water, in the presence of titanium dioxide as catalyst, which comprises using titanium dioxide whose BET surface area, determined to the German standard DIN 66 131 volumetrically by the multipoint method, is in the range from 5 to 35 m2/g.
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公开(公告)号：DE50010478D1
公开(公告)日：2005-07-07
申请号：DE50010478
申请日：2000-12-14
Applicant: BASF AG
Inventor： MOHRSCHLADT RALF , WINTERLING HELMUT , KRAUSS DIETER
Abstract: Polyamides are prepared from aminonitriles and water by(1) reacting the aminonitriles with water at from 180 to 350° C. and such a pressure in the range from 30 to 120 bar that a gaseous phase is present as well as a liquid phase, in a first reaction stage,(2) expanding the reaction mixture obtained in the first reaction stage via an evaporator zone or adiabatically with removal of water and ammonia into a second reaction stage, and(3) postcondensing in the second reaction stage at from 0.1 mbar to 5 bar and from 230 to 320° C.
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公开(公告)号：DE10338919A1
公开(公告)日：2005-04-21
申请号：DE10338919
申请日：2003-08-20
Applicant: BASF AG
Inventor： DEMETER JUERGEN , SOETJE OLIVER , BASSLER HANS-JUERGEN , DEININGER JUERGEN , KLAPPERT KARL-HEINRICH , WINTERLING HELMUT
Abstract: An apparatus for making polyamides oligomers thereof mixtures thereof, the apparatus comprising a material selected from the group consisting of a) an austenitic steel comprising from 15 to 25% by weight of chromium, from 3 to 35% by weight of nickel and from 0 to 10% by weight of molybdenum, and iron, b) a duplex steel comprising from 20 to 30% by weight of chromium, from 3 to 10% by weight of nickel and from 0 to 5% by weight of molybdenum, and iron, and c) a nickel-based alloy comprising from 12 to 25% by weight of chromium and from 12 to 20% by weight of molybdenum, and nickel
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公开(公告)号：BR0308820A
公开(公告)日：2005-01-04
申请号：BR0308820
申请日：2003-04-08
Applicant: BASF AG
Inventor： WINTERLING HELMUT , BENISCH CHRISTOPH , HAHN THILO
Abstract: A process for preparing a polyamide by reacting a mixture which comprises a monomer which has a nitrile group and has at least one other functional group capable of forming a carboxamide group, and comprises water, in the presence of titanium dioxide as catalyst, which comprises using titanium dioxide whose BET surface area, determined to the German standard DIN 66 131 volumetrically by the multipoint method, is in the range from 5 to 35 m2/g.
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Patent Agency Ranking
公开(公告)号：DE10321788A1
公开(公告)日：2004-12-09
申请号：DE10321788
申请日：2003-05-14
Applicant: BASF AG
Inventor： WINTERLING HELMUT , DEMETER JUERGEN , DEININGER JUERGEN , KORY GAD , SOETJE OLIVER , WILMS AXEL , WEIS ROBERT , KREMPEL KURT , BENISCH CHRISTOPH
Abstract: Polyamide, whose main chain contains a chemically bound amine selected from the group consisting of 2-methyl-1,5-diaminopentane and 1-amino-2-R-cyclopent-1-ene, where R is a functional group capable of combining with an amino group to form an amide group, and processes for preparing such a polyamide and fibers, films and moldings comprising such a polyamide.
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公开(公告)号：CA2525137A1
公开(公告)日：2004-11-25
申请号：CA2525137
申请日：2004-05-06
Applicant: BASF AG
Inventor： DEININGER JUERGEN , WEISS ROBERT , BENISCH CHRISTOPH , WILMS AXEL , KORY GAD , DEMETER JUERGEN , SOETJE OLIVER , WINTERLING HELMUT , KREMPEL KURT
Abstract: The invention relates to a polyamide, the main chain thereof containing a chemically bonded amine selected from the group consisting of 2-methyl-1,5- diaminopentane and 1-amino-2-R-cyclopent-1-ene, wherein R represents a functional group that can react with an amino group to form an amide group. The invention also relates to a method for producing one such polyamide, and to fibres, films and moulded bodies containing the same.
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公开(公告)号：PL362468A1
公开(公告)日：2004-11-02
申请号：PL36246801
申请日：2001-11-22
Applicant: BASF AG
Inventor： WINTERLING HELMUT , FISCHER MICHAEL
Abstract: A process for preparing polyamides comprises polymerizing starting monomers in the presence of from 2.3 to 10 mmol, based on 1 mol of carboxamide group of the polyamide, of a chain regulator containing a nitrile group and a functional group capable of forming a carboxamide group.
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公开(公告)号：PL360840A1
公开(公告)日：2004-09-20
申请号：PL36084001
申请日：2001-07-10
Applicant: BASF AG
Inventor： BASSLER PETER , WINTERLING HELMUT , FISCHER ROLF-HARTMUTH , LOTH WOLFGANG
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.
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公开(公告)号：CA2503850A1
公开(公告)日：2004-05-13
申请号：CA2503850
申请日：2003-10-28
Applicant: BASF AG
Inventor： KREMPEL KURT , DEMETER JURGEN , WINTERLING HELMUT
Abstract: The invention relates to a polyamide comprising a compound having at least o ne hydroxyl group, chemically bonded to the end of the polymer chain by means o f an amide group, a method for production of such a polyamide, and fibres, fil ms and moulded bodies comprising at least one such polyamide.
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