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1 | US2020307076A1 |
POWDER-BASED ADDITIVE MANUFACTURING PROCESS
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Publication/Patent Number: US2020307076A1 | Publication Date: 2020-10-01 | Application Number: 16/763,603 | Filing Date: 2018-12-13 | Inventor： Achten, Dirk Buesgen, Thomas Kessler, Michael Reichert, Peter Mettmann bettina | Assignee: Covestro Deutschland AG | IPC: B29C64/165 | Abstract: The invention relates to an additive manufacturing process (3D printing) using particles having a meltable polymer. The meltable polymer comprises a thermoplastic polyurethane polymer which has a flowing temperature (intersection of E′ and E″ in the DMA) of ≥80° C. to <180° C. and a Shore A hardness according to DIN ISO 7619-1 of ≥50 Shore A and <85 Shore A and which, at a temperature T, has a melt volume rate (melt volume rate (MVR)) according to ISO 1133 of ≥5 to <15 cm3/10 min. The invention also relates to an item which can be obtained by means of the method. | |||
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2 | US2020307073A1 |
POWDER-BASED ADDITIVE MANUFACTURING PROCESS
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Publication/Patent Number: US2020307073A1 | Publication Date: 2020-10-01 | Application Number: 16/764,524 | Filing Date: 2018-12-13 | Inventor： Achten, Dirk Buesgen, Thomas Kessler, Michael Reichert, Peter Mettmann bettina | Assignee: Covestro Deutschland AG | IPC: B29C64/153 | Abstract: The invention relates to an additive manufacturing process (3D printing) using particles having a meltable polymer. The meltable polymer comprises a thermoplastic polyurethane polymer which has a melting range (DSC, Differential Scanning calorimetry; second heating at heating rate 5 K/min) of 160 to 270° C. and a Shore D hardness according to DIN ISO 7619-1 of 50 or more and which, at a temperature T, has a melt volume rate (melt volume rate (MVR)) according to ISO 1133 of 5 to 15 cm/10 min and a change of the MVR, when this temperature T increases by 20° C., of greater than or equal to 90 cm3/10 min. The invention also relates to an item which can be obtained by means of the method. | |||
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3 | US2020306829A1 |
METHOD FOR PRODUCING A TREATED, 3D PRINTED OBJECT
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Publication/Patent Number: US2020306829A1 | Publication Date: 2020-10-01 | Application Number: 16/763,591 | Filing Date: 2018-12-18 | Inventor： Achten, Dirk Buesgen, Thomas Wagner, Roland Kuenzel, Jonas Kessler, Michael Mettmann bettina | Assignee: Covestro Deutschland AG | IPC: B22F1/00 | Abstract: The present invention relates to a method for producing a treated object, comprising the steps of: applying a layer of particles to a target area; applying a liquid binder to a selected portion of the layer in accordance with a cross-section of the object, so that the particles in the selected portion are bonded; repeating the steps of applying a layer of particles and applying a binder for a plurality of layers so that the bonded portions of the adjacent layers are bonded to form an object, wherein at least a part of the particles comprises a meltable polymer. A binder which cures by cross-linking is preferably selected as the binder. The obtained object is at least partially contacted with a liquid heated to ≥T or with a powder bed heated to ≥T in order to obtain the treated object. T represents a temperature of ≥25° C., the liquid does not represent a solvent or a reaction partner for the binder present in the object and the meltable polymer, and the powder bed is different from the particles of the meltable polymer. The invention also relates to a treated object that can be obtained by the method according to the invention. | |||
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4 | EP3727861A1 |
POWDER-BASED ADDITIVE MANUFACTURING PROCESS
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Publication/Patent Number: EP3727861A1 | Publication Date: 2020-10-28 | Application Number: 18814944.7 | Filing Date: 2018-12-13 | Inventor： Achten, Dirk BÜsgen, Thomas Kessler, Michael Reichert, Peter Mettmann bettina | Assignee: Covestro Deutschland AG | IPC: B33Y70/00 | ||||
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5 | EP3727862A1 |
POWDER-BASED ADDITIVE MANUFACTURING PROCESS
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Publication/Patent Number: EP3727862A1 | Publication Date: 2020-10-28 | Application Number: 18814945.4 | Filing Date: 2018-12-13 | Inventor： Achten, Dirk BÜsgen, Thomas Kessler, Michael Reichert, Peter Mettmann bettina | Assignee: Covestro Deutschland AG | IPC: B33Y70/00 | ||||
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6 | EP3727801A1 |
METHOD FOR PRODUCING A TREATED, 3D PRINTED OBJECT
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Publication/Patent Number: EP3727801A1 | Publication Date: 2020-10-28 | Application Number: 18816133.5 | Filing Date: 2018-12-18 | Inventor： Achten, Dirk BÜsgen, Thomas Wagner, Roland KÜnzel, Jonas Kessler, Michael Mettmann bettina | Assignee: Covestro Deutschland AG | IPC: B29C64/165 | ||||
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7 | US202047410A1 |
ADDITIVE PRODUCTION PROCESS USING A MIXED THERMOPLASTIC CONSTRUCTION MATERIAL
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Publication/Patent Number: US202047410A1 | Publication Date: 2020-02-13 | Application Number: 20/181,660 | Filing Date: 2018-04-23 | Inventor： Reichert, Peter Achten, Dirk Wagner, Roland Mettmann bettina BÜsgen, Thomas Kessler, Michael | Assignee: Covestro Deutschland AG | IPC: C08L75/06 | Abstract: The present invention relates to a method for producing an object, comprising the step of producing the object according to an additive production process from a construction material, wherein the construction material comprises a mixture of a plurality of powdery thermoplastic materials which are different from one another due to at least one mechanical property and at least one thermoplastic material is a thermoplastic polyurethane material. The invention also relates to an object obtained according to said method. | |||
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8 | US2020047410A1 |
ADDITIVE PRODUCTION PROCESS USING A MIXED THERMOPLASTIC CONSTRUCTION MATERIAL
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Publication/Patent Number: US2020047410A1 | Publication Date: 2020-02-13 | Application Number: 16/605,977 | Filing Date: 2018-04-23 | Inventor： Achten, Dirk BÜsgen, Thomas Mettmann bettina Kessler, Michael Reichert, Peter Wagner, Roland | Assignee: COVESTRO DEUTSCHLAND AG | IPC: B29C64/153 | Abstract: The present invention relates to a method for producing an object, comprising the step of producing the object according to an additive production process from a construction material, wherein the construction material comprises a mixture of a plurality of powdery thermoplastic materials which are different from one another due to at least one mechanical property and at least one thermoplastic material is a thermoplastic polyurethane material. The invention also relates to an object obtained according to said method. | |||
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9 | EP3615613A1 |
ADDITIVE PRODUCTION PROCESS USING A MIXED THERMOPLASTIC CONSTRUCTION MATERIAL
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Publication/Patent Number: EP3615613A1 | Publication Date: 2020-03-04 | Application Number: 18718467.6 | Filing Date: 2018-04-23 | Inventor： Achten, Dirk BÜsgen, Thomas Mettmann bettina Kessler, Michael Reichert, Peter Wagner, Roland | Assignee: Covestro Deutschland AG | IPC: C08L75/06 | ||||
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10 | US2020055235A1 |
METHOD FOR PRODUCING PRODUCTS BY MEANS OF ADDITIVE MANUFACTURING METHODS USING REACTIVE POWDERS, AND PRODUCTS THEREOF
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Publication/Patent Number: US2020055235A1 | Publication Date: 2020-02-20 | Application Number: 16/609,247 | Filing Date: 2018-05-09 | Inventor： Achten, Dirk Buesgen, Thomas Faecke, Thomas Mettmann bettina Buechner, Joerg Laas, Hans-josef Liu, Ting | Assignee: Covestro Deutschland AG | IPC: B29C64/153 | Abstract: The invention relates to a method for producing a three-dimensional object by means of a powder-based additive production method from at least one first powdery material, wherein the at least one first powdery material comprises at least one first compound having a first reactive group a). The first reactive group a) is selected from the group consisting of an isocyanate group, a blocked isocyanate group, or a mixture thereof. The invention further relates to a component produced using the method according to the invention, and to powdery material that is suited for the method according to the invention. | |||
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11 | EP3621812A1 |
METHOD FOR PRODUCING PRODUCTS BY MEANS OF ADDITIVE MANUFACTURING METHODS USING REACTIVE POWDERS, AND PRODUCTS THEREOF
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Publication/Patent Number: EP3621812A1 | Publication Date: 2020-03-18 | Application Number: 18721403.6 | Filing Date: 2018-05-09 | Inventor： Achten, Dirk BÜsgen, Thomas FÄcke, Thomas Mettmann bettina BÜchner, Jörg Laas, Hans-josef Liu, Ting | Assignee: Covestro Deutschland AG | IPC: B33Y70/00 | ||||
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12 | WO2019121718A1 |
METHOD FOR PRODUCING A TREATED, 3D PRINTED OBJECT
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Publication/Patent Number: WO2019121718A1 | Publication Date: 2019-06-27 | Application Number: 2018085547 | Filing Date: 2018-12-18 | Inventor： Wagner, Roland Kessler, Michael Achten, Dirk BÜsgen, Thomas Mettmann bettina KÜnzel, Jonas | Assignee: Covestro Deutschland AG | IPC: B29C64/165 | Abstract: The present invention relates to a method for producing a treated object, comprising the steps of: applying a layer of particles to a target area; applying a liquid binder to a selected portion of the layer in accordance with a cross-section of the object, so that the particles in the selected portion are bonded; repeating the steps of applying a layer of particles and applying a binder for a plurality of layers so that the bonded portions of the adjacent layers are bonded to form an object, wherein at least a part of the particles comprises a meltable polymer. A binder which cures by cross-linking is preferably selected as the binder. The obtained object is at least partially contacted with a liquid heated to ≥ T or with a powder bed heated to ≥ T in order to obtain the treated object. T represents a temperature of ≥ 25 °C, the liquid does not represent a solvent or a reaction partner for the binder present in the object and the meltable polymer, and the powder bed is different from the particles of the meltable polymer. The invention also relates to a treated object that can be obtained by the method according to the invention. | |||
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13 | EP3532272A1 |
METHOD FOR TREATING AT LEAST PART OF THE SURFACE OF A 3D-PRINTED OBJECT
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Publication/Patent Number: EP3532272A1 | Publication Date: 2019-09-04 | Application Number: 17787446.8 | Filing Date: 2017-10-25 | Inventor： Achten, Dirk BÜsgen, Thomas Wagner, Roland Mettmann bettina Akbas, Levent Guiu, Julien | Assignee: Covestro Deutschland AG | IPC: B29C67/00 | ||||
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14 | WO2019121274A1 |
POWDER-BASED ADDITIVE MANUFACTURING PROCESS
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Publication/Patent Number: WO2019121274A1 | Publication Date: 2019-06-27 | Application Number: 2018084659 | Filing Date: 2018-12-13 | Inventor： Reichert, Peter Kessler, Michael Achten, Dirk BÜsgen, Thomas Mettmann bettina | Assignee: Covestro Deutschland AG | IPC: C08L75/04 | Abstract: The invention relates to an additive manufacturing process (3D printing) using particles having a meltable polymer. The meltable polymer comprises a thermoplastic polyurethane polymer which has a flowing temperature (intersection of E' and E'' in the DMA) of ≥ 80°C to < 180°C and a Shore A hardness according to DIN ISO 7619-1 of ≥ 50 Shore A and < 85 Shore A and which, at a temperature T, has a melt volume rate (melt volume rate (MVR)) according to ISO 1133 of ≥ 5 to < 15 cm3 /10 min and a change of the MVR, when this temperature T increases by 20 °C, of ≥ 90 cm3 /10 min. The invention also relates to an item which can be obtained by means of the method. | |||
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15 | US10300660B2 |
Method of treating at least part of the surface of a 3D-printed article
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Publication/Patent Number: US10300660B2 | Publication Date: 2019-05-28 | Application Number: 15/791,735 | Filing Date: 2017-10-24 | Inventor： Achten, Dirk Büsgen, Thomas Wagner, Roland Mettmann bettina Akbas, Levent Guiu, Julien | Assignee: Covestro Deutschland AG | IPC: B29C64/118 | Abstract: A method of treating at least part of a surface (110) of an article (100) in which an article (100) is treated, at least part of a surface (110, 111) of the article having been produced by an additive manufacturing method from a construction material, and the construction material provides a temperature TG′ at which the storage modulus G′ of the construction material (determined by dynamic-mechanical analysis according to ISO 6721 at a shear rate of 1/s) is 10 MPa. The article is preferably placed into an evacuable volume and the volume is evacuated. By heating and exerting pressure, the surface is plastically deformed and can be smoothed thereby. | |||
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16 | WO2019121277A1 |
POWDER-BASED ADDITIVE MANUFACTURING PROCESS
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Publication/Patent Number: WO2019121277A1 | Publication Date: 2019-06-27 | Application Number: 2018084662 | Filing Date: 2018-12-13 | Inventor： Reichert, Peter Kessler, Michael Achten, Dirk BÜsgen, Thomas Mettmann bettina | Assignee: Covestro Deutschland AG | IPC: B33Y70/00 | Abstract: The invention relates to an additive manufacturing process (3D printing) using particles having a meltable polymer. The meltable polymer comprises a thermoplastic polyurethane polymer which has a melting range (DSC, Differential Scanning Calorimetry; second heating at heating rate 5 K/min) of 160 to 270 °C and a Shore D hardness according to DIN ISO 7619-1 of 50 or more and which, at a temperature T, has a melt volume rate (melt volume rate (MVR)) according to ISO 1133 of 5 to 15 cm /10 min and a change of the MVR, when this temperature T increases by 20 °C, of greater than or equal to 90 cm3 /10 min. The invention also relates to an item which can be obtained by means of the method. | |||
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17 | US2019248067A1 |
PROCESS FOR PRODUCING 3D STRUCTURES FROM POWDERED RUBBER MATERIAL AND ITS PRODUCTS
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Publication/Patent Number: US2019248067A1 | Publication Date: 2019-08-15 | Application Number: 16/333,276 | Filing Date: 2017-09-15 | Inventor： Mettmann bettina Akbas, Levent Wagner, Roland Kessler, Michael Dijkstra, Dirk BÜsgen, Thomas Achten, Dirk | Assignee: Covestro Deutschland AG | IPC: B29C64/245 | Abstract: A process is described for producing a three dimensional structure, the process including the following steps a) applying of at least a first material M1 onto a substrate to build a first layer L1 on the substrate; b) layering of at least one further layer Ly of the first material M1 or of a further material Mx onto the first layer L1, wherein the at least one further layer Ly covers the first layer L1 and/or previous layer Ly−1 at least partially to build a precursor of the three dimensional structure; c) curing the precursor to achieve the three dimensional structure; wherein at least one of the materials M1 or Mx provides a Mooney viscosity of >10 ME at 60° C. and of <200 ME at 100° C. before curing and wherein at least one of the first material Mi or of the further material Mx is a powder. Also, a three dimensional structure is described which is available according to the process according to the invention. | |||
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18 | EP3545025A1 |
METHOD FOR PRODUCING AN AT LEAST PARTIALLY COATED OBJECT
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Publication/Patent Number: EP3545025A1 | Publication Date: 2019-10-02 | Application Number: 17809230.0 | Filing Date: 2017-11-22 | Inventor： Achten, Dirk BÜsgen, Thomas Michaelis, Thomas Wagner, Roland Mettmann bettina Akbas, Levent HÄttig, Jürgen Guedou, Arnaud | Assignee: Covestro Deutschland AG | IPC: C08J7/04 | ||||
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19 | KR20190087519A |
적어도 부분적으로 코팅된 물품을 제조하는 방법
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Publication/Patent Number: KR20190087519A | Publication Date: 2019-07-24 | Application Number: 20197017779 | Filing Date: 2017-11-22 | Inventor： Achten, Dirk Akbas, Levent Buesgen, Thomas Haettig, Juergen Michaelis, Thomas Mettmann bettina Guedou, Arnaud Wagner, Roland | Assignee: COVESTRO DEUTSCHLAND AG | IPC: C09D175/04 | Abstract: 본 발명은, 구성 물질로부터 적층 제조 방법에 의해 물품을 제조하는 단계를 포함하며, 여기서 구성 물질은 열가소성 폴리우레탄 물질을 포함하는 것인, 적어도 부분적으로 코팅된 물품을 제조하는 방법에 관한 것이다. 물품의 제조 후, 방법은 제제를 물품과 적어도 부분적으로 접촉시키는 단계를 포함하고, 제제는 수성 폴리우레탄 분산액; NCO 기를 포함하는 화합물을 또한 함유하는, OH 기를 포함하는 중합체의 수성 분산액; OH 기를 포함하는 임의의 중합체를 함유하지 않는, NCO 기를 함유하는 화합물의 수성 제제; 또는 이들 중 적어도 2종의 조합으로부터 선택된다. 본 발명은 또한, 본 발명에 따른 방법에 의해 수득된 적어도 부분적으로 코팅된 물품에 관한 것이다. | |||
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20 | US2019254439A1 |
VISCO-ELASTIC DAMPING ELEMENT BASED ON VISCO-ELASTIC MATERIALS
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Publication/Patent Number: US2019254439A1 | Publication Date: 2019-08-22 | Application Number: 16/346,916 | Filing Date: 2017-11-02 | Inventor： Wagner, Roland Mettmann bettina Degiorgio, Nicolas Reichert, Peter Dijkstra, Dirk BÜsgen, Thomas Achten, Dirk | Assignee: Covestro Deutschland AG | IPC: B29C64/10 | Abstract: The invention relates to a method for producing a visco-elastic damping element comprising at least one visco-elastic spring element, characterized in that the visco-elastic spring element is structured from at least one visco-elastic material having a tan δ of at least 0.5, determined according to DIN 53535: 1982-03, and produced by means of a 3D printing method. The invention further relates to a visco-elastic damping element, which is produced or can be produced according to said method, and to a solid body comprising or consisting of a plurality of damping elements. |
3.Current Quota