公开(公告)号：US11434587B2

公开(公告)日：2022-09-06

申请号：US16468333

申请日：2017-12-06

申请人： BASF SE

发明人： Jordan Thomas Kopping ,  Marie-Claire Hermant ,  Kris Schmidt ,  Nikolaus Nestle ,  Alexander Koehler

IPC分类号： D01F8/04 ,  B33Y10/00 ,  B33Y70/00 ,  B29C64/118 ,  B29C64/40 ,  B28B1/00

摘要： The present invention relates to the use of a filament comprising a core material (CM) comprising a ceramic material precursor (CMP) and the core material (CM) is coated with a layer of shell material (SM) comprising a thermoplastic polymer as a support material in a fused filament fabrication process. Further, the invention relates to three-dimensional objects and a process for the preparation thereof.

公开(公告)号：US09765172B2

公开(公告)日：2017-09-19

申请号：US14894158

申请日：2014-05-26

申请人： BASF SE

发明人： Laurence Pottie ,  Juergen Demeter ,  Marie-Claire Hermant

IPC分类号： C08G2/08 ,  C08G65/00 ,  C08G59/02 ,  C08G2/10 ,  C08G2/06 ,  C08G2/18 ,  C08G2/22 ,  C08G4/00 ,  C08L59/04

CPC分类号： C08G2/08 ,  C08G2/06 ,  C08G2/10 ,  C08G2/18 ,  C08G2/22 ,  C08G4/00 ,  C08G59/02 ,  C08G65/00 ,  C08L59/04

摘要： The patent application relates to a process for preparing polyoxymethylene by polymerization of a reaction mixture (RG) which comprises at least one formaldehyde source and at least one initiator mixture (IG), wherein the initiator mixture (IG) comprises at least one polymerization initiator and at least one solvent of the general formula (I) R1—O—[—R3—O—]m—R2  (I), where m is 1, 2, 3 or 4; R1 and R2 are each, independently of one another, C3-C6-alkyl; R3 is C1-C5-alkylene.

公开(公告)号：US10456834B2

公开(公告)日：2019-10-29

申请号：US15315594

申请日：2015-06-01

申请人： BASF SE

发明人： Marie-Claire Hermant ,  Bernd-Steffen Von Bernstorff

IPC分类号： B22F3/16 ,  B22F1/00 ,  B22F3/10 ,  B22F3/22 ,  C23F1/12 ,  C23F1/16

摘要： The present invention relates to an improved process for the production of sintered moldings by molding a mixture of a sinterable ceramic or metallic powder and polyoxymethylene or a copolymer containing a majority of oxymethylene units as binder to give a compact, removing the binder from the compact by treatment with a gaseous acid, and sintering the resulting molding.

公开(公告)号：US10421269B2

公开(公告)日：2019-09-24

申请号：US15120051

申请日：2015-02-17

申请人： BASF SE

发明人： Marie-Claire Hermant ,  Nikolaus Nestle ,  Stephan Hueffer

IPC分类号： B29C67/00 ,  B33Y70/00 ,  B33Y10/00 ,  C08F218/08 ,  C08F226/10 ,  B29C64/106 ,  B29C64/40 ,  B29C64/118 ,  C08F218/10 ,  C08F226/06 ,  B29K105/08

摘要： The present invention relates to the use of a polymer comprising polymerized units (A) and (B): (A) at least one first monomer of the formula (I) where n is 3 to 12; m is 0 to 3; R1 is C1-C10-alkyl, C2-C10-alkenyl, aryl or aralkyl; R2, R3 and R4 are each, independently of one another, hydrogen, C1-C10-alkyl, C2-C10-alkenyl, aryl or aralkyl; and (B) at least one second monomer of the formula (II) where R5, R6 and R7 are each, independently of one another, hydrogen, C1-C10-alkyl, C2-C10-alkenyl, aryl or aralkyl; R8 is C1-C20-alkyl, C2-C10alkenyl, aryl or aralkyl; as a support material in a fused filament fabrication process.

公开(公告)号：US10961384B2

公开(公告)日：2021-03-30

申请号：US15312361

申请日：2015-05-20

申请人： BASF SE

发明人： Bernd-Steffen Von Bernstorff ,  Marie-Claire Hermant ,  Martin Blömacher

IPC分类号： C08L59/02 ,  C08L59/04 ,  C08G2/10 ,  C08G2/04 ,  C08G2/24 ,  B22F1/00 ,  C04B35/565 ,  C04B35/46 ,  C04B35/111 ,  C04B35/50 ,  C04B35/486 ,  C04B35/58 ,  C04B35/634 ,  C04B35/581 ,  C04B35/584 ,  C08K3/08 ,  C08L71/02 ,  C08L23/00

摘要： Poly-1,3-dioxepane, poly-1,3-dioxolane, polytetrahydrofurane or mixtures thereof are used in molding materials comprising polyoxymethylene or a copolymer containing a majority of oxymethylene units, for improving the flexural toughness of moldings formed from the molding materials.

公开(公告)号：US20160024293A1

公开(公告)日：2016-01-28

申请号：US14806102

申请日：2015-07-22

申请人： BASF SE

发明人： Nikolaus NESTLE ,  Marie-Claire Hermant ,  Kris Schmidt

IPC分类号： C08L59/02 ,  B28B1/00 ,  B28B11/24

CPC分类号： C08L59/02 ,  B28B1/001 ,  B28B11/243 ,  B33Y10/00 ,  B33Y70/00 ,  C04B35/62227 ,  C04B35/634 ,  C04B35/638 ,  C04B2235/6021 ,  C04B2235/6026

摘要： The use of a mixture (M) comprising (a) from 40 to 70% by volume of an inorganic powder (IP) based on the total volume of the mixture (M), (b) from 30 to 60% by volume based on the total volume of the mixture (M) of a binder (B) comprising (b1) from 50 to 96% by weight of at least one polyoxymethylene (POM) based on the total weight of the binder (B), (b2) from 2 to 35% by weight of at least one polyolefin (PO) based on the total weight of the binder (B), (b3) from 2 to 40% by weight of at least one further polymer (FP) based on the total weight of the binder (B) in a fused filament fabrication process.

摘要翻译： 使用混合物（M），其包含（a）基于混合物（M）的总体积计，40至70体积％的无机粉末（IP），（b）基于30至60体积％ 基于粘合剂（B）的总重量的（b1），（b2）的（b1）为50〜96重量％的至少一种聚甲醛（POM）的粘合剂（B）的混合物（B）的总体积 2至35重量％的至少一种聚烯烃（PO），基于粘合剂（B），（b3）的总重量，基于总重量的2至40重量％的至少一种其它聚合物（FP） 的粘合剂（B）。