公开(公告)号：US20200231528A1

公开(公告)日：2020-07-23

申请号：US16639174

申请日：2018-08-16

Applicant: BASF SE

Inventor： Mathieu BLANCHOT ,  Uwe MEISENBURG ,  Steffen MAURER ,  Jochen PETZOLDT ,  Tobias HOEFENER ,  Boris BREITSCHEIDEL ,  Andrea MISSKE ,  Friederike FLEISCHHAKER ,  Martin KALLER ,  Christoph FLECKENSTEIN ,  Ulrik STENGEL ,  Ritesh NAIR

IPC: C07C67/24

Abstract: A process for preparing an ester of (meth)acrylic acid or a derivative thereof comprises reacting (meth)acrylic acid or a derivative thereof with glycerol carbonate at a reaction temperature of 10 to 150° C. without a solvent in the presence of at least one enzyme catalyzing the esterification reaction.

公开(公告)号：US20190077919A1

公开(公告)日：2019-03-14

申请号：US16083220

申请日：2017-03-07

Applicant: BASF SE

Inventor： Christian MALETZKO ,  Axel WILMS ,  Tobias HOEFENER

IPC: C08G75/02 ,  C08G75/23 ,  C08G75/0281 ,  B01D71/68

Abstract: The present invention relates to a method of forming a sulfonated aromatic polymer, to the sulfonated aromatic polymer thus formed and to the method of using the sulfonated aromatic polymer in the manufacture of membranes.