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公开(公告)号：US11434587B2
公开(公告)日：2022-09-06
申请号：US16468333
申请日：2017-12-06
Applicant: BASF SE
Inventor： Jordan Thomas Kopping , Marie-Claire Hermant , Kris Schmidt , Nikolaus Nestle , Alexander Koehler
Abstract: 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.
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公开(公告)号：US10961384B2
公开(公告)日：2021-03-30
申请号：US15312361
申请日：2015-05-20
Applicant: BASF SE
Inventor： Bernd-Steffen Von Bernstorff , Marie-Claire Hermant , Martin Blömacher
IPC: 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
Abstract: 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.
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Patent Agency Ranking
公开(公告)号：US20160024293A1
公开(公告)日：2016-01-28
申请号：US14806102
申请日：2015-07-22
Applicant: BASF SE
Inventor： Nikolaus NESTLE , Marie-Claire Hermant , Kris Schmidt
CPC classification number: C08L59/02 , B28B1/001 , B28B11/243 , B33Y10/00 , B33Y70/00 , C04B35/62227 , C04B35/634 , C04B35/638 , C04B2235/6021 , C04B2235/6026
Abstract: 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.
Abstract translation: 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）。
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公开(公告)号：US12168728B2
公开(公告)日：2024-12-17
申请号：US14806102
申请日：2015-07-22
Applicant: BASF SE
Inventor： Nikolaus Nestle , Marie-Claire Hermant , Kris Schmidt
IPC: C08L59/02 , B28B1/00 , B28B11/24 , B33Y10/00 , B33Y70/10 , C04B35/622 , C04B35/634 , C04B35/638
Abstract: 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.
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公开(公告)号：US09765172B2
公开(公告)日：2017-09-19
申请号：US14894158
申请日：2014-05-26
Applicant: BASF SE
Inventor： Laurence Pottie , Juergen Demeter , Marie-Claire Hermant
IPC: C08G2/08 , C08G65/00 , C08G59/02 , C08G2/10 , C08G2/06 , C08G2/18 , C08G2/22 , C08G4/00 , C08L59/04
CPC classification number: C08G2/08 , C08G2/06 , C08G2/10 , C08G2/18 , C08G2/22 , C08G4/00 , C08G59/02 , C08G65/00 , C08L59/04
Abstract: 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.
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公开(公告)号：US10456834B2
公开(公告)日：2019-10-29
申请号：US15315594
申请日：2015-06-01
Applicant: BASF SE
Inventor： Marie-Claire Hermant , Bernd-Steffen Von Bernstorff
Abstract: 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.
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公开(公告)号：US10421269B2
公开(公告)日：2019-09-24
申请号：US15120051
申请日：2015-02-17
Applicant: BASF SE
Inventor： Marie-Claire Hermant , Nikolaus Nestle , Stephan Hueffer
IPC: B29C67/00 , B33Y70/00 , B33Y10/00 , C08F218/08 , C08F226/10 , B29C64/106 , B29C64/40 , B29C64/118 , C08F218/10 , C08F226/06 , B29K105/08
Abstract: 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.
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