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公开(公告)号：US20250135532A1
公开(公告)日：2025-05-01
申请号：US18838673
申请日：2023-02-17
Applicant: BASF SE
Inventor： Tobias ROEDLMEIER
Abstract: The present invention relates to a process for the treatment of at least one three-dimensional green body (GB), wherein the at least one three-dimensional green body (GB) comprises an inorganic powder (IP) and a binder (B), the binder (B) comprising as component (b1) at least one polyoxymethylene (POM). In this process, 0.01 to 5.0% by weight of anhydrous oxalic acid, based on the total weight of the at least one three-dimensional green body (GB), are provided with which the at least one three-dimensional green body (GB) is treated at a temperature (T1)
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2.发明申请公开(公告)号：US20250019312A1
公开(公告)日：2025-01-16
申请号：US18708682
申请日：2022-11-09
Applicant: BASF SE
Inventor： Marie-Claire HERMANT , Thorsten Martin STAUDT , Sherif Aly Hassan Aly MADKOUR , Markus REGENAUER , Sascha Tim SCHWENDY , James Daniel PITTS , Benjamin LUDL , Tim AHNSORGE , Tobias ROEDLMEIER , Firat HIZAL , Rien Hendrik GEERTS
IPC: C04B35/634 , B22F10/18 , B28B1/00 , B33Y10/00 , B33Y70/10 , B33Y80/00 , C04B35/10 , C04B35/48 , C04B35/505
Abstract: The invention relates to a ceramic feedstock comprising the components a), b) and optionally c), wherein component a) is at least one ceramic material, component b) is at least one binder (B) and optional component c) is at least one additive (A). The ceramic feedstock is preferably provided in form of a filament to be employed in three-dimensional (3D) printing techniques, particularly in a FFF printing process. The inventive ceramic feedstock can, therefore, be successfully employed for the 3D printing of support structures and/or separation layers. Further, the invention also relates to three-dimensional objects as such, in particular three-dimensional green bodies, three-dimensional brown bodies or three-dimensional sintered bodies as well as to a process for the preparation thereof.
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