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公开(公告)号：WO9808889A2
公开(公告)日：1998-03-05
申请号：PCT/EP9704640
申请日：1997-08-26
Applicant: BASF AG , WEISS ROBERT , KRAUSS DIETER , KELLER DIETER , PIPPER GUNTER , HARDER WOLFGANG , LUDWIG ALFONS , MOHRSCHLADT RALF
Inventor： WEISS ROBERT , KRAUSS DIETER , KELLER DIETER , PIPPER GUNTER , HARDER WOLFGANG , LUDWIG ALFONS , MOHRSCHLADT RALF
Abstract: A process for producing a polyamide by reacting at least one aminonitrile with water has the following steps: (1) at least one aminonitrile is reacted with water at a temperature from 100 to 360 DEG C and pressure from 0.1 to 35.x 10 Pa, yielding a reaction mixture; (2) the reaction mixture is further reacted at a temperature from 150 to 400 DEG C and pressure lower than the pressure in step 1. The temperature and pressure are selected to yield a first gaseous phase and a first liquid or solid phase or a mixture of a first solid and a first liquid phase. The first gaseous phase is separated from the first liquid or solid phase or the mixture of a first liquid and a first solid phase is separated; and (3) the first liquid or solid phase or the mixture of a first liquid and first solid phase is mixed with a water-containing gaseous or liquid phase at a temperature from 150 to 360 DEG C and pressure from 0.1 to 30 x 10 Pa, yielding a product mixture. Also disclosed are other embodiments of this process and the thus produced polyamides.
Abstract translation: 一种用于通过至少一个氨基腈与水反应，包括下列步骤制备聚酰胺过程：（1）在100至360摄氏度的温度和0.1〜35×10的压力<至少一个氨基腈与水反应 6> Pa至获得得到的反应混合物，（2）进一步在150〜400℃和压力是比在步骤1中的压力更低的温度下的反应混合物反应，所述温度和压力被选择为使得 该第一气相和第一液体或第一固相或第一固体和第一液相的混合物获得，并从所述第一液体或第一固相或第一液体和第1固相的混合物中的第一气体相分离出 是，（3）将第一液体或第一固相或第一液体和第1固相的与气态或混合物 含有液体相包含水，在150〜360℃的温度和0.1〜30×10 <6> Pa的压力以获得产物混合物中获得，以及这样的方法的其它实施例中，将如此制备的 聚酰胺本身。
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2.发明专利
公开(公告)号：CZ9900675A3
公开(公告)日：1999-06-16
申请号：CZ67599
申请日：1997-08-26
Applicant: BASF AG
Inventor： WEISS ROBERT , KRAUSS DIETER , KELLER DIETER , PIPPER GUNTER , HARDER WOLFGANG , LUDWIG ALFONS , MOHRSCHLADT RALF
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公开(公告)号：ZA977787B
公开(公告)日：1999-03-01
申请号：ZA977787
申请日：1997-08-29
Applicant: BASF AG
Inventor： WEISS ROBERT , KRAUSS DIETER , KELLER DIETER , PIPPER GUNTER , HARDER WOLFGANG , LUDWIG ALFONS , MOHRSCHLADT RALF
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公开(公告)号：DE19635077A1
公开(公告)日：1998-03-05
申请号：DE19635077
申请日：1996-08-30
Applicant: BASF AG
Inventor： WEIS ROBERT DR , KRAUS DIETER , KELLER DIETER , PIPPER GUNTER , HARDER WOLFGANG DR
Abstract: A continuous multi-step process for the preparation of polyamides by reacting an w-aminoalkyl nitrile with water at high temperature and pressure, comprises (1) heating an w-aminoalkyl nitrile in an excess amount of water at 250-350 deg C and 4-30 MPa, the temperature and pressure being chosen to give a single-phase liquid reaction mixture, in which at least 95 mol.% nitrile groups are converted to form a first reaction product (I); (2) heating (I) at 220-300 deg C and 1-7 MPa, so that the pressure is at least 0.5 MPa less than that in step (1), whilst separating the gas and liquid phases to form a second reaction product (II); (3) heating (II) at 220-300 deg C and 10-300 kPa in a first sub-step (3a), then in a second sub-step (3b) the gas phase is separated from the liquid phase and then in a third sub-step (c) the relative viscosity (measured at 25 deg C and a concentration of 1 g polymer per 100 ml sulphuric acid (96 wt.%)) of the polyamide is altered to a value of 1.6-3.5 by selecting the appropriate temperature and dwell time, whilst in the final sub-step (3d) the third reaction product (III) is isolated by standard techniques and optionally processed.
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5.发明专利
公开(公告)号：CZ293844B6
公开(公告)日：2004-08-18
申请号：CZ67599
申请日：1997-08-26
Applicant: BASF AG
Inventor： WEISS ROBERT , KRAUSS DIETER , KELLER DIETER , PIPPER GUNTER , HARDER WOLFGANG , LUDWIG ALFONS , MOHRSCHLADT RALF
Abstract: The present invention relates to a process for preparing a polyamide by reacting at least one aminonitrile with water wherein the preparation process has the following steps: /1/ at least one aminonitrile is reacted with water at a temperature ranging from 100 to 360 degC and pressure in the range of 4 to 30 x 10e6 Pa, yielding a reaction mixture; /2/ the reaction mixture is further reacted at a temperature from 150 to 400 degC and pressure lower than the pressure in step 1. The temperature and pressure are selected to yield a first gaseous phase and a first liquid or solid phase or a mixture of a first solid and a first liquid phase. The first gaseous phase is separated from the first liquid or solid phase or the mixture of a first liquid and a first solid phase is separated; and /3/ the first liquid or solid phase or the mixture of a first liquid and first solid phase is mixed with a water-containing gaseous or liquid phase at a temperature from 150 to 360 degC and pressure from 0.1 do 30 x 10e6 Pa, yielding a product mixture. Also disclosed are other embodiments of this process and the thus produced polyamides.
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Patent Agency Ranking
公开(公告)号：CO4870784A1
公开(公告)日：1999-12-27
申请号：CO97050221
申请日：1997-08-29
Applicant: BASF AG
Inventor： WEISS ROBERT , KRAUSS DIETER , KELLER DIETER , GUNTER PIPPER , HARDER WOLFGANG , LUDWIG ALFONS , MOHRSCHLADT RALF
Abstract: Un proceso para preparar una poliamida por reacción de al menosun aminonitrilo con agua que comprende las siguientes etapas: (1) hacer reaccionar al menos un aminonitrilo con agua a una temperatura entre 100 a 360°C y una presión entre 0.1 a 35 x 106 Pa para obtener una mezcla de reacción, (2) reaccionar además la mezcla de reacción a una temperatura de 150 a 400°C y una presión que es menor ala presión en el paso 1, la temperatura y la presión son seleccionados de tal forma que se obtiene una primera fase de gas y una primera fase líquida o una primera fase sólida o una mezcla de primer fase sólida y primer fase líquida, y separando la primera fase de gas de la primer fase líquida o la primer fase sólida o de la mezcla de la primer fase líquida y primer fase sólida, y (3) mezclar la primer fase líquida o la primer fase sólida o la mezcla de primer fase líquida y primera fase sólida con una fase gaseosa o base líquida que comprende agua a una temperatura entre 150 a 360°C y una presión entre 0.1 a 30 X 106 Pa para obtener un producto de mezcla.
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公开(公告)号：CA2264023C
公开(公告)日：2007-03-27
申请号：CA2264023
申请日：1997-08-26
Applicant: BASF AG
Inventor： HARDER WOLFGANG , LUDWIG ALFONS , KRAUSS DIETER , MOHRSCHLADT RALF , WEISS ROBERT , KELLER DIETER , PIPPER GUNTER
Abstract: A process for producing a polyamide by reacting at least one aminonitrile wi th water has the following steps: (1) at least one aminonitrile is reacted with water at a temperature from 100 to 360 .degree. C and pressure from 0.1 to 35..times. 10 6 Pa, yielding a reaction mixture; (2) the reaction mixture is further reacted at a temperature from 150 to 400 .degree.C and pressure lower than the pressure in step 1. The temperature and pressure are selected to yield a first gaseous phase and a first liquid or solid phase or a mixture of a first solid and a first liquid phase. The first gaseous phase is separated from the first liquid or solid phase or the mixture of a first liquid and a first solid phase is separated; and (3) the first liquid or solid phase or the mixture of a first liquid and first solid phase is mixed with a water-containing gaseous or liquid phase at a temperature from 150 to 360 .degree.C and pressure from 0.1 to 30 .times. 10 6 Pa, yielding a product mixture. Also disclosed are other embodiments of this process and the thus produced polyamides.
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公开(公告)号：DE59708777D1
公开(公告)日：2003-01-02
申请号：DE59708777
申请日：1997-08-26
Applicant: BASF AG
Inventor： WEISS ROBERT , KRAUSS DIETER , KELLER DIETER , PIPPER GUNTER , HARDER WOLFGANG , LUDWIG ALFONS , MOHRSCHLADT RALF
Abstract: A process for preparing a polyamide by reacting at least one aminonitrile with water comprises:(1) reacting at least one aminonitrile with water at a temperature from 100 to 360° C. and a pressure from 0.1 to 35x106 Pa to obtain a reaction mixture,(2) further reacting the reaction mixture at a temperature from 150 to 400° C. and a pressure which is lower than the pressure in step 1, the temperature and the pressure being selected so as to obtain a first gas phase and a first liquid or a first solid phase or a mixture of first solid and first liquid phase, and the first gas phase is separated from the first liquid or the first solid phase or from the mixture of first liquid and first solid phase, and(3) admixing the first liquid or the first solid phase or the mixture of first liquid and first solid phase with a gaseous or liquid phase comprising water at a temperature from 150 to 360° C. and a pressure from 0.1 to 30x106 Pa to obtain a product mixture.
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公开(公告)号：BR9711257A
公开(公告)日：1999-08-17
申请号：BR9711257
申请日：1997-08-26
Applicant: BASF AG
Inventor： WEISS ROBERT , KELLER DIETER , PIPPER GUNTER , HARDER WOLFGANG , LUDWIG ALFONS , MOHSCHLADT RALF
Abstract: A process for preparing a polyamide by reacting at least one aminonitrile with water comprises:(1) reacting at least one aminonitrile with water at a temperature from 100 to 360° C. and a pressure from 0.1 to 35x106 Pa to obtain a reaction mixture,(2) further reacting the reaction mixture at a temperature from 150 to 400° C. and a pressure which is lower than the pressure in step 1, the temperature and the pressure being selected so as to obtain a first gas phase and a first liquid or a first solid phase or a mixture of first solid and first liquid phase, and the first gas phase is separated from the first liquid or the first solid phase or from the mixture of first liquid and first solid phase, and(3) admixing the first liquid or the first solid phase or the mixture of first liquid and first solid phase with a gaseous or liquid phase comprising water at a temperature from 150 to 360° C. and a pressure from 0.1 to 30x106 Pa to obtain a product mixture.
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公开(公告)号：ZA9707787B
公开(公告)日：1999-03-01
申请号：ZA9707787
申请日：1997-08-29
Applicant: BASF AG
Inventor： WEISS ROBERT , KRAUSS DIETER , KELLER DIETER , PIPPER GUNTER , HARDER WOLFGANG , LUDWIG ALFONS , MOHRSCHLADT RALF
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