公开(公告)号：US20210171811A1

公开(公告)日：2021-06-10

申请号：US17257749

申请日：2019-06-24

Applicant: BASF SE

Inventor： Ulrike LICHT ,  Peter RUDOLF ,  Markus JEGELKA ,  Indre THIEL ,  Karl-Heinz SCHUMACHER

IPC: C09J175/04 ,  C08G71/04 ,  C07D327/04 ,  C07D411/12 ,  B32B37/12 ,  B32B15/04 ,  B32B15/18 ,  B32B15/20 ,  B32B7/12 ,  B32B21/04 ,  B32B27/08 ,  B32B27/36

Abstract: A bonding process is described in which two substrates are bonded together by applying to the surface of at least one of the substrates a curable, not yet cured 2-component adhesive that comprises, in a first component, a compound A having at least one defined cyclic thiocarbonate unit having a five-membered ring structure and, in a second component, a curing compound B selected from compounds having at least one functional group selected from primary amine groups and secondary amine groups.

公开(公告)号：US20170217874A1

公开(公告)日：2017-08-03

申请号：US15125850

申请日：2015-03-11

Applicant: BASF SE

Inventor： Hermann LUYKEN ,  Stephanie JAEGLI ,  Michael LORENZ ,  Gordon BRASCHE ,  Markus JEGELKA ,  Barbara BECKER ,  Robert BAUMANN ,  Johann-Peter MELDER ,  Boris BUSCHHAUS ,  Thomas KRUG

IPC: C07C209/84

CPC classification number: C07C209/84 ,  C07C209/16 ,  C07C209/48 ,  C07C213/04 ,  C07C253/08 ,  C07C253/30 ,  C07C211/10 ,  C07C255/16 ,  C07C255/25 ,  C07C215/08

Abstract: The present invention relates to a process for purifying ethylenediamine (EDA) by distillation, wherein the process comprises the steps a) and b). In step a), a mixture (G1) comprising water, EDA and N-methylethylenediamine (N-MeEDA) is fed into a distillation apparatus (D1), and the major part of the water comprised in the mixture (G1) is separated off overhead at a pressure of greater than 4.8 bara. From the bottom of (D1), the water-enriched mixture (G2) is fed into a distillation apparatus (D2) in step b). At the top of (D2), the major part of the N-MeEDA is distilled off. The stream (S3) obtained from the bottom of (D2) comprises EDA, with the components water and N-MeEDA comprised in the mixture (G1) having been largely or completely removed. Further distillation steps can optionally be carried out in order to obtain pure EDA, for example when diethylenetriamine (DETA) is additionally comprised in the mixture (G1). If ammonia is additionally comprised in the mixture (G1), an ammonia removal is preferably additionally carried out before carrying out the step a) in the process of the invention.

公开(公告)号：US20160009633A1

公开(公告)日：2016-01-14

申请号：US14771409

申请日：2014-02-12

Applicant: BASF SE

Inventor： Hermann LUYKEN ,  Stephanie JAEGLI ,  Michael LORENZ ,  Gordon BRASCHE ,  Markus JEGELKA ,  Barbara BECKER ,  Robert BAUMANN ,  Johann-Peter MELDER ,  Boris BUSCHHAUS ,  Thomas KRUG

IPC: C07C209/48 ,  C07C253/00 ,  C07C253/30

CPC classification number: C07C209/48 ,  C07C209/86 ,  C07C253/00 ,  C07C253/08 ,  C07C253/30 ,  C07C255/12 ,  C07C255/25 ,  C07C211/10

Abstract: The present invention relates to a process for preparing ethylenediamine (EDA), where the process comprises the steps a) to c). In step a), formaldehyde is reacted with hydrocyanic acid (HCN) to form formaldehyde cyanohydrin (FACH), where the hydrocyanic acid is completely free or largely free of sulfur dioxide (SO2). The FACH prepared in this way is reacted with ammonia (NH3) to form aminoacetonitrile (AAN) in step b), whereupon a hydrogenation of AAN in the presence of a catalyst to form EDA is carried out in step c).

Abstract translation: 本发明涉及一种制备乙二胺（EDA）的方法，其中该方法包括步骤a）至c）。 在步骤a）中，甲醛与氢氰酸（HCN）反应形成甲醛氰醇（FACH），其中氢氰酸完全游离或大部分不含二氧化硫（SO2）。 在步骤b）中，以这种方式制备的FACH与氨（NH 3）反应形成氨基乙腈（AAN），于是在催化剂存在下形成EDA的AAN的氢化在步骤c）中进行。

公开(公告)号：US20220281800A1

公开(公告)日：2022-09-08

申请号：US17631898

申请日：2020-07-28

Applicant: BASF SE

Inventor： Eva Katharina HACKEMANN ,  Stephanie RENZ ,  Stephan MAURER ,  Volker KICKMANN ,  Markus JEGELKA ,  Manuel DANZ

IPC: C07C68/08 ,  C07C68/02

Abstract: The presently claimed invention relates to a process for purification of aroma compounds by distillation. Specifically, it relates to a process for purification of carbonic esters of formula (I) using a combination of distillative processes.

公开(公告)号：US20200369641A1

公开(公告)日：2020-11-26

申请号：US16634230

申请日：2018-08-07

Applicant: BASF SE

Inventor： Peter RUDOLF ,  Indre THIEL ,  Markus JEGELKA ,  Jan-Dirk ARNDT ,  Joaquim Henrique TELES

IPC: C07D327/04 ,  C07D411/12

Abstract: Process for the preparation of a compound with at least one five-membered cyclic monothiocarbonate group wherein a) a compound with at least one epoxy group is used as starting material b) the compound is reacted with phosgene or an alkyl chloroformate thus giving an adduct and c) the adduct is reacted with a compound comprising anionic sulfurthus obtaining the comound with at least one five-membered cyclic monothiocarbonate group.