PROCESS FOR PREPARING CAPROLACTAM BY ADMIXTURE OF CYCLOHEXANONE OXIME TO A REACTION MIXTURE UNDER TURBULENT FLOW CONDITIONS
    121.
    发明申请
    PROCESS FOR PREPARING CAPROLACTAM BY ADMIXTURE OF CYCLOHEXANONE OXIME TO A REACTION MIXTURE UNDER TURBULENT FLOW CONDITIONS 审中-公开
    环己酮氧化物在涡流条件下反应混合物的制备方法

    公开(公告)号:WO2004113287A1

    公开(公告)日:2004-12-29

    申请号:PCT/EP2004/005338

    申请日:2004-05-17

    Abstract: The invention relates to a process for preparing caprolactam by admixture of cyclohexanone oxime to a reaction mixture comprising caprolactam and sulfuric acid using a mixing device, said mixing device comprising (i) a tube through which the reaction mixture can flow, and (ii) channels disposed around the tube, said channels opening into the tube, said process comprising: passing the reaction mixture through the tube, and feeding the cyclohexanone oxime into the reaction mixture through one or more of said channels, wherein Re > 5000, Re being the Reynolds number as defined by ρ.V.D/η, wherein ρ = density (in kg/m 3 ) of the reaction mixture that is fed to the tube. V = velocity of the reaction mixture, V being defined as W/A, wherein W is the flow rate (in m 3 /s) of the reaction mixture that is fed into the tube and A is the cross section area of the tube (in m 2 ) at the level where said channels open into the tube. D = diameter of the tube at the level where said channels open into the tube (in m). η = viscosity of the reaction mixture that is fed into the tube (in Pa.s).

    Abstract translation: 本发明涉及通过使用混合装置将环己酮肟与包含己内酰胺和硫酸的反应混合物混合来制备己内酰胺的方法,所述混合装置包括(i)反应混合物可以流过的管,以及(ii)通道 所述方法包括:使反应混合物通过管,并通过一个或多个所述通道将环己酮肟进料到反应混合物中,其中Re> 5000,Re为雷诺数 其数值由rho.VD / eta定义,其中rho =供给到管的反应混合物的密度(以kg / m 3)。 V =反应混合物的速度,V定义为W / A,其中W是进料到管中的反应混合物的流速(m 3 / s),A是所述反应混合物的横截面积 管(m 2),其中所述通道打开到管中。 D =所述通道打开到管中的管的直径(m)。 eta =进料到管中的反应混合物的粘度(Pa.s)。

    NUEVO PROCEDIMIENTO DE SÍNTESIS DE ε-CAPROLACTAMA
    122.
    发明申请
    NUEVO PROCEDIMIENTO DE SÍNTESIS DE ε-CAPROLACTAMA 审中-公开
    用于合成ε-CAPROLACTAM的新方法

    公开(公告)号:WO2016203069A1

    公开(公告)日:2016-12-22

    申请号:PCT/ES2016/000066

    申请日:2016-06-10

    CPC classification number: C07C279/28 C07D201/04

    Abstract: La presente invención refiere a la obtención de la ε-caprolactama por tralamiento de la oxima de la ciclohexanona con sales derivadas del catión guanidinio, y en particular con el tosilato de cianoguanidinio ([CNG][TsO]). Esta sal es también objeto de invención de la presenta solicitud. La e-caprolactama es el precursor directo de la fibra poliamidica denominada "nylon-6", transformándose en dicha fibra mediante una reacción de polimerización.

    Abstract translation: 本发明涉及通过用衍生自胍鎓阳离子的盐处理环己酮肟,特别是与氰基胍([CNG] [TsO])的甲苯磺酸酯来制备ε-己内酰胺。 本申请的发明也涉及该盐。 ε-己内酰胺是聚酰胺纤维尼龙6的直接前体,通过聚合转化成所述纤维。

    HIGH TEMPERATURE LACTAM NEUTRALISATION
    124.
    发明申请
    HIGH TEMPERATURE LACTAM NEUTRALISATION 审中-公开
    高温乳酸中和

    公开(公告)号:WO2013053377A1

    公开(公告)日:2013-04-18

    申请号:PCT/EP2011/067650

    申请日:2011-10-10

    CPC classification number: C07D201/16 C07D201/04 C07D223/10

    Abstract: The invention relates to a method for preparing a lactam in a continuous process, comprising forming the lactam and ammonium sulphate by contacting a lactam sulphate contained in an acidic liquid with ammonia, during which forming of lactam heat of reaction is generated, which heat is partially or fully recovered, wherein ammonia is brought into contact with the acidic liquid as part of a liquid aqueous ammonia solution, and wherein the contacting takes place at a temperature of at least 120 °C, and wherein the average residence time at a temperature of at least 120 °C is at most 15 minutes, and wherein the ammonium sulphate remains dissolved in a liquid phase during said residence time.

    Abstract translation: 本发明涉及一种在连续方法中制备内酰胺的方法,包括通过使酸性液体中含有的内酰胺硫酸与氨接触形成内酰胺和硫酸铵,在此期间产生反应的内酰胺热量,该热量部分地 或完全回收,其中氨与液体氨水溶液的一部分与酸性液体接触,并且其中接触在至少120℃的温度下进行,并且其中在温度为 至少120℃至多为15分钟,其中硫酸铵在所述停留时间期间保持溶于液相。

    CATALYZED HYDROXYLAMINE PREPARATION
    125.
    发明申请
    CATALYZED HYDROXYLAMINE PREPARATION 审中-公开
    催化羟基胺制备

    公开(公告)号:WO2012143331A1

    公开(公告)日:2012-10-26

    申请号:PCT/EP2012/056924

    申请日:2012-04-16

    Abstract: Method for preparing hydroxylamine in a continuous process, comprising hydrogenating nitrate in a reaction zone comprising a liquid phase, a gas phase and a heterogeneous hydrogenation catalyst, in which reaction zone hydroxylamine and nitrous oxide (N20) are formed, characterized in that the nitrous oxide concentration in the gas phase, is monitored and is maintained within a predetermined range by means of controlled addition of a promoter for the heterogeneous hydrogenation catalyst and/or controlled addition of further amounts of heterogeneous hydrogenation catalyst to the reaction zone; a method for preparing an oxime and a method of preparing a lactam comprising said method for preparing hydroxylamine.

    Abstract translation: 在连续方法中制备羟胺的方法,包括在包含液相,气相和异相氢化催化剂的反应区中使硝酸盐氢化,其中反应区羟胺和一氧化二氮(N 2 O 2)形成,其特征在于一氧化二氮 通过控制加入非均相氢化催化剂的促进剂和/或将另外量的非均相氢化催化剂加入到反应区中来监测气体中的浓度并保持在预定范围内。 制备肟的方法和制备内酰胺的方法,包括所述的制备羟胺的方法。

    CONTINUOUS PROCESS FOR PREPARING CAPROLACTAM
    128.
    发明申请
    CONTINUOUS PROCESS FOR PREPARING CAPROLACTAM 审中-公开
    用于制备CAPROLACTAM的连续方法

    公开(公告)号:WO2004103964A1

    公开(公告)日:2004-12-02

    申请号:PCT/EP2004/005643

    申请日:2004-05-17

    Abstract: The invention relates to a continuous process for preparing caprolactam by Beckmann rearrangement of cyclohexanone oxime, said process comprising a) feeding (i) oleum and (ii) cyclohexanone oxime into a first reaction mixture comprising caprolactam, sulfuric acid and SO 3 , b) feeding (iii) a portion of the first reaction mixture and (iv) cyclohexanone oxime into a second reaction mixture comprising caprolactam, sulfuric acid and SO 3 , c) withdrawing a portion of the second reaction mixture, wherein the process further comprises obtaining the cyclohexanone oxime that is fed to the reaction mixtures by: 1) preparing an organic medium comprising cyclohexanone oxime dissolved in an organic solvent 2) separating, by distillation, cyclohexanone oxime from said organic medium.

    Abstract translation: 本发明涉及通过Beckmann重排环己酮肟制备己内酰胺的连续方法,所述方法包括a)将(i)发烟硫酸和(ii)环己酮肟进料到包含己内酰胺,硫酸和SO 3的第一反应混合物中,b) iii)第一反应混合物的一部分和(iv)环己酮肟进入包含己内酰胺,硫酸和SO 3的第二反应混合物中,c)取出一部分第二反应混合物,其中该方法进一步包括获得环己酮肟 通过以下步骤进料到反应混合物中:1)制备溶解在有机溶剂中的环己酮肟的有机介质2)通过蒸馏从所述有机介质中分离出环己酮肟。

    ラクタム製造方法
    129.
    发明申请
    ラクタム製造方法 审中-公开
    生产乳酪的方法

    公开(公告)号:WO2002076942A1

    公开(公告)日:2002-10-03

    申请号:PCT/JP2002/002029

    申请日:2002-03-05

    CPC classification number: C07D201/04

    Abstract: A process for efficiently and continuously producing a lactam in high-temperature high-pressure water, characterized by comprising: introducing an oxime as a substrate and an acid into a reaction zone through which high-temperature high-pressure water is flowing or introducing an oxime into high-temperature high-pressure water which contains an acid and is flowing; and thereby elevating the temperature of the substrate in a short time under the given high-temperature high-pressure conditions and reacting it to efficiently synthesize a lactam while inhibiting hydrolysis of the oxime. In the process, a lactam can be efficiently and continuously synthesized at a high rate from an oxime with the aid of an acid catalyst in high-temperature high-pressure water having a temperature of 250 DEG C or higher and a pressure of 15 MPa or higher.

    Abstract translation: 一种在高温高压水中高效连续生产内酰胺的方法,其特征在于包括:将肟作为底物和酸引入高温高压水流过或引入肟的反应区 进入含有酸并流动的高温高压水; 从而在给定的高温高压条件下在短时间内提高基板的温度,并使其反应以有效地合成内酰胺,同时抑制肟的水解。 在此过程中,通过酸催化剂,在温度为250℃以上,压力为15MPa的高温高压水中,可以高焓地从肟高效率地连续合成内酰胺,或 更高。

    MODIFIED POLYLACTAM
    130.
    发明申请
    MODIFIED POLYLACTAM 审中-公开
    改性聚酰胺

    公开(公告)号:WO02044246A1

    公开(公告)日:2002-06-06

    申请号:PCT/NL2001/000859

    申请日:2001-11-26

    CPC classification number: C07D201/04 C07D223/10 C08G69/14 C08G69/16

    Abstract: The invention related to a modified polylactam containing recurring units of lactam and minor amounts of a lactam derivative having one or more non-polymerisable functional groups directly or indirectly attached to the carbon atoms of the lactam ring and wherein the functional group comprises a heteroatom. The invention further relates to a process for the preparation of the polylactam, to the use of the modified polylactam, to fibres made from the modified lactam and to the lactam derivative and its production.

    Abstract translation: 本发明涉及含有内酰胺的重复单元和少量内酰胺衍生物的改性聚内酰胺,所述内酰胺衍生物具有直接或间接连接到内酰胺环的碳原子上的一个或多个不可聚合官能团,并且其中所述官能团包含杂原子。 本发明还涉及一种制备多内酰胺,使用改性聚内酰胺,由改性内酰胺制得的纤维和内酰胺衍生物及其制备方法。

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