公开(公告)号：US20220162152A1

公开(公告)日：2022-05-26

申请号：US17434815

申请日：2020-03-02

Applicant: BASF SE

Inventor： Matthaeus Kopczynski ,  Dieter Kolassa ,  Hannes Ferdinand Zipfel ,  Ansgar Gereon Altenhoff ,  Christian Eidamshaus

IPC: C07C209/26 ,  B01J23/72

Abstract: An alkylene-diamine, a hydroxyalkylene-amine, and hydrogen are reacted in presence of a heterogenous catalyst containing copper to produce polyalkylene-polyamines.

公开(公告)号：US11365283B2

公开(公告)日：2022-06-21

申请号：US17603656

申请日：2020-04-09

Applicant: BASF SE

Inventor： Matthaeus Kopczynski ,  Ansgar Gereon Altenhoff ,  Dieter Kolassa ,  Hannes Ferdinand Zipfel ,  Christian Eidamshaus ,  Joerg Pastre

IPC: C08G59/50 ,  C08J5/24

Abstract: Epoxy resin-based fibre matrix compositions contain alkyl substituted ethylene amines such as dimethyldiethylenetriamine (DMDETA, also dimethyl-1,4,7-triazaheptane), as a curing agent. These curing agents are characterized by a short curing time for a comparatively long processing time, and make it possible to obtain cured epoxy resins that exhibit low brittleness and high tensile strength and have a high glass transition temperature; as a result of which the fibre matrix composition is suitable particularly for use in pultrusion and winding processes.

公开(公告)号：US20250101188A1

公开(公告)日：2025-03-27

申请号：US18845040

申请日：2023-03-07

Applicant: BASF SE

Inventor： Christoph Martin Hanske ,  Matthaeus Kopczynski ,  Marion da Silva ,  Indre Thiel

IPC: C08J3/20 ,  C08G59/46 ,  C08G59/50 ,  C08J3/12 ,  C08K3/36 ,  C08K7/14 ,  C08K9/06 ,  C09J5/00 ,  C09J163/00

Abstract: A method prepares a curable composition based on ground composite material from the recycling of discarded composite elements such as old pipes or rotor blades of wind power plants. The ground composite material allows for the replacement of virgin short glass fibers and fumed silica commonly employed in such compositions used as structural adhesives essentially without any negative impact on the performance.

公开(公告)号：US20220145001A1

公开(公告)日：2022-05-12

申请号：US17603656

申请日：2020-04-09

Applicant: BASF SE

Inventor： Matthaeus Kopczynski ,  Ansgar Gereon Altenhoff ,  Dieter Kolassa ,  Hannes Ferdinand Zipfel ,  Christian Eidamshaus ,  Joerg Pastre

IPC: C08G59/50 ,  C08J5/24

Abstract: Epoxy resin-based fibre matrix compositions contain alkyl substituted ethylene amines such as dimethyldiethylenetriamine (DMDETA, also dimethyl-1,4,7-triazaheptane), as a curing agent. These curing agents are characterized by a short curing time for a comparatively long processing time, and make it possible to obtain cured epoxy resins that exhibit low brittleness and high tensile strength and have a high glass transition temperature; as a result of which the fibre matrix composition is suitable particularly for use in pultrusion and winding processes.