PROCESS FOR PRODUCING NYLON-6,6
    1.
    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。

    METHOD FOR CONTINUOUS PRODUCTION OF ADIPONITRILE

    公开(公告)号:US20170283369A1

    公开(公告)日:2017-10-05

    申请号:US15510949

    申请日:2015-09-15

    Applicant: BASF SE

    Abstract: A process for the continuous preparation of adiponitrile by hydrocyanation of 3-pentenenitrile is described, wherein a) 3-pentenenitrile is hydrocyanated to give a reaction output comprising adiponitrile, b) in a work-up 1, a mixture comprising cis-2-methyl-2-butenenitrile and cis-2-pentenenitrile is separated off as overhead product from the reaction output from the reactor R1 in a first distillation apparatus, c) the mixture comprising cis-2-methyl-2-butenenitrile and cis-2-pentenenitrile from step b) is continuously isomerized in the presence of aluminum oxide as catalyst in a reactor R2 to give a product mixture comprising 3-pentenenitrile, d) cis-2-methyl-2-butenenitrile is separated off as overhead product from the reaction output from the reactor R2 in a distillation apparatus in a work-up 2 and discharged.

    METHOD FOR PRODUCING HEXAMETHYLENEDIAMINE
    4.
    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。

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