PROCESS FOR PRODUCING NYLON-6,6
    2.
    发明申请
    PROCESS FOR PRODUCING NYLON-6,6 审中-公开
    生产尼龙-6,6的工艺

    公开(公告)号:US20160347908A1

    公开(公告)日:2016-12-01

    申请号:US15103468

    申请日:2014-12-12

    Applicant: BASF SE

    CPC classification number: C08G69/26 C08G69/28

    Abstract: The present invention relates to a process for producing nylon-6,6 by a) providing a muconic acid starting material selected from muconic acid, esters of muconic acid, lactones of muconic acid and mixtures thereof, b) subjecting the muconic acid starting material provided in step a) at least to some extent to a reaction with hydrogen in the presence of at least one hydrogenation catalyst Hb) to give adipic acid, c1) subjecting the muconic acid starting material provided in step a) to some extent to a reaction with hydrogen in the presence of at least one hydrogenation catalyst Hc1) to give 1,6-hexanediol, or c2) subjecting the adipic acid obtained in step b) to some extent to a reaction with hydrogen in the presence of at least one hydrogenation catalyst Hc2) to give 1,6-hexanediol, d) subjecting the 1,6-hexanediol obtained in step c1) or c2) to amination in the presence of an amination catalyst to obtain hexamethylenediamine, e) subjecting the hexamethylenediamine obtained in step d) and at least a portion of the adipic acid obtained in step b) to polycondensation to obtain nylon-6,6.

    Abstract translation: 本发明涉及一种通过以下方法生产尼龙-6,6的方法:a)提供选自粘康酸,粘康酸的粘蛋白的酸,粘康酸的内酯及其混合物的粘康酸起始材料,b)使提供的粘康酸起始物料 在步骤a)至少在一定程度上与至少一种氢化催化剂Hb)存在下的氢反应得到己二酸,c1)使步骤a)中提供的粘酸原料在一定程度上与 在至少一种氢化催化剂Hc1存在下进行氢化)得到1,6-己二醇,或c2)在步骤b)中获得的己二酸在一定程度上与至少一种氢化催化剂Hc2存在下的氢反应 ),得到1,6-己二醇,d)在胺化催化剂存在下使步骤c1)或c2)中得到的1,6-己二醇进行胺化得到六亚甲基二胺,e)使步骤d)中得到的六亚甲基二胺 和步骤b)中获得的至少一部分己二酸进行缩聚以获得尼龙-6,6。

    REACTOR FOR CARRYING OUT A GAS-LIQUID TWO-PHASE HIGH-PRESSURE REACTION WITH A FOAMING MEDIUM

    公开(公告)号:US20210371361A1

    公开(公告)日:2021-12-02

    申请号:US17274135

    申请日:2019-09-03

    Applicant: BASF SE

    Abstract: A reactor for performing a gas/liquid biphasic high-pressure reaction with a foaming medium, comprising an interior formed by a cylindrical, vertically oriented elongate shell, a bottom and a cap, wherein the interior is divided by internals into a backmixed zone and a zone of limited backmixing, wherein the backmixed zone and the zone of limited backmixing are consecutively traversable by the reaction mixture, wherein the backmixed zone comprises means for introducing gas and liquid and a gas outlet and also comprises at least one mixing apparatus selected from a stirrer, a jet nozzle and means for injecting the gas, and the zone of limited backmixing comprises a reaction product outlet, a first cylindrical internal element which in the interior extends in the longitudinal direction of the reactor and which delimits the zone of limited backmixing from the backmixed zone, backmixing-preventing second internal elements in the form of random packings, structured packings or liquid-permeable trays arranged in the zone of limited backmixing and a riser tube whose lower end is arranged within the backmixed zone and whose upper end opens into the zone of limited backmixing so that liquid from the backmixed zone can ascend into the zone of limited backmixing via the riser tube, wherein flow into the zone of limited backmixing enters from below. The reactor is configured such that the high-pressure reaction space is optimally utilized and contamination of workup steps or subsequent reactions arranged downstream of the high-pressure reaction with foam is substantially avoided. The invention further relates to a process for performing a continuous gas/liquid biphasic high-pressure reaction in the reactor.

    METHOD FOR PRODUCING HEXAMETHYLENEDIAMINE
    7.
    发明申请
    METHOD FOR PRODUCING HEXAMETHYLENEDIAMINE 审中-公开
    生产十六烷二胺的方法

    公开(公告)号:US20160326092A1

    公开(公告)日:2016-11-10

    申请号:US15102947

    申请日:2014-12-12

    Applicant: BASF SE

    Abstract: The invention relates to a method for producing hexamethylenediamine, wherein a) a muconic acid starting material is provided, which is selected from among muconic acid, esters of muconic acid, lactones of muconic acid, and mixtures thereof, b) the muconic acid starting material is subjected to a reaction with hydrogen in the presence of at least one hydrogenation catalyst in order to form 1,6-hexanediol, and c) the 1,6-hexanediol obtained in step b) is subjected to amination in the presence of an amination catalyst in order to obtain hexamethylenediamine. The invention further relates to hexamethylenediamine which can be produced by means of said method.

    Abstract translation: 本发明涉及一种生产六亚甲基二胺的方法,其中a)提供了一种粘康酸起始物质,其选自粘康酸,粘康酸的酯,粘康酸的内酯及其混合物,b)粘康酸起始物质 在至少一种氢化催化剂的存在下与氢反应以形成1,6-己二醇,和c)将步骤b)中获得的1,6-己二醇在胺化反应中进行胺化 催化剂以获得六亚甲基二胺。 本发明还涉及可以通过所述方法制备的六亚甲基二胺。

    USE OF 5-METHYL-5-(4-METHYL-3-PENTEN-1-YL)-2(5H)-FURANONE AS AROMA CHEMICAL

    公开(公告)号:US20240271058A1

    公开(公告)日:2024-08-15

    申请号:US18564638

    申请日:2022-05-27

    Applicant: BASF SE

    CPC classification number: C11B9/0076 C07D307/58

    Abstract: The present invention relates to a compound of formula (I) which is used as an aroma chemical to impart a sweet, tonka, acacia, woody kind of impression to a composition. The present invention further relates to the use of compound of formula (I) as an aroma chemical to impart a sweet, tonka, acacia and/or woody kind impression to a composition and also for enhancing and/or modifying the aroma of a composition. The present invention is further directed to a composition comprising at least one compound of formula (I) and (i) at least one aroma chemical different from the compound of formula (I) or (ii) at least one non-aroma chemical carrier, or (iii) both (i) and (ii).

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