JPWO2021121999A5 - - Google Patents
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- JPWO2021121999A5 JPWO2021121999A5 JP2022538126A JP2022538126A JPWO2021121999A5 JP WO2021121999 A5 JPWO2021121999 A5 JP WO2021121999A5 JP 2022538126 A JP2022538126 A JP 2022538126A JP 2022538126 A JP2022538126 A JP 2022538126A JP WO2021121999 A5 JPWO2021121999 A5 JP WO2021121999A5
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- 238000000034 method Methods 0.000 claims 18
- 239000011230 binding agent Substances 0.000 claims 17
- 239000000843 powder Substances 0.000 claims 14
- 239000011257 shell material Substances 0.000 claims 12
- 239000011162 core material Substances 0.000 claims 8
- 229930040373 Paraformaldehyde Natural products 0.000 claims 6
- 229920006324 polyoxymethylene Polymers 0.000 claims 6
- -1 polyoxymethylene Polymers 0.000 claims 5
- 229920000642 polymer Polymers 0.000 claims 4
- 229920000098 polyolefin Polymers 0.000 claims 4
- 229920001169 thermoplastic Polymers 0.000 claims 4
- 239000004952 Polyamide Substances 0.000 claims 3
- 239000008187 granular material Substances 0.000 claims 3
- 229920002647 polyamide Polymers 0.000 claims 3
- 229920000570 polyether Polymers 0.000 claims 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims 2
- 239000000654 additive Substances 0.000 claims 2
- 230000000996 additive effect Effects 0.000 claims 2
- 238000001125 extrusion Methods 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 2
- 238000001746 injection moulding Methods 0.000 claims 2
- 229920000728 polyester Polymers 0.000 claims 2
- 239000004814 polyurethane Substances 0.000 claims 2
- 238000005245 sintering Methods 0.000 claims 2
- 239000004743 Polypropylene Substances 0.000 claims 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims 1
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 229910010293 ceramic material Inorganic materials 0.000 claims 1
- 229920001577 copolymer Polymers 0.000 claims 1
- 239000002270 dispersing agent Substances 0.000 claims 1
- 238000000227 grinding Methods 0.000 claims 1
- 229910010272 inorganic material Inorganic materials 0.000 claims 1
- 239000011147 inorganic material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229910001092 metal group alloy Inorganic materials 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 239000000049 pigment Substances 0.000 claims 1
- 229920000747 poly(lactic acid) Polymers 0.000 claims 1
- 229920000515 polycarbonate Polymers 0.000 claims 1
- 239000004417 polycarbonate Substances 0.000 claims 1
- 229920000647 polyepoxide Polymers 0.000 claims 1
- 239000004626 polylactic acid Substances 0.000 claims 1
- 229920001155 polypropylene Polymers 0.000 claims 1
- 229920002635 polyurethane Polymers 0.000 claims 1
- 239000002243 precursor Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 239000003381 stabilizer Substances 0.000 claims 1
- 229920001567 vinyl ester resin Polymers 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
Claims (15)
ａ） 前記少なくとも１つのノズルを含む前記３Ｄプリンタに、前記少なくとも１つの供給原料を供給するステップであって、前記少なくとも１つの供給原料が、少なくとも１つのバインダー（Ｂ）と少なくとも１つの無機粉末（ＩＰ）とを含み、前記少なくとも１つのバインダー（Ｂ）が少なくとも１つのポリオキシメチレン（ＰＯＭ）を含む、ステップと、
ｂ） 前記３Ｄプリンタ内で前記少なくとも１つの供給原料を加熱する、ステップと、
ｃ） 少なくとも１つの押し出されたストランドを得るために、ステップｂ）で得られた前記少なくとも１つの加熱された供給原料を、前記少なくとも１つのノズルを通して押し出す、ステップと、
ｄ） 前記ビルドチャンバ内に配置されたベースプレート（ＢＰ）上に、ステップｃ）で得られた前記少なくとも１つの押し出されたストランドから層ごとに前記三次元グリーン体（ＧＢ）を形成するステップであって、前記ベースプレート（ＢＰ）は、前記少なくとも１つのバインダー（Ｂ）と任意で前記少なくとも１つの無機粉末（ＩＰ）を含む、ステップと、
ｅ） 前記ビルドチャンバから前記三次元グリーン体（ＧＢ）と前記ベースプレート（ＢＰ）を取り出すステップであって、前記三次元グリーン体（ＧＢ）は前記ベースプレート（ＢＰ）に取り付けられている、ステップと、
を含む、方法。 A method of manufacturing a three-dimensional green body (GB) by a three-dimensional (3D) printing method employing a three-dimensional extrusion printer (3D printer) comprising at least one feedstock, a build chamber, and at least one nozzle, the method comprising: The method comprises the following steps a) to e):
a) feeding said at least one feedstock to said 3D printer comprising said at least one nozzle, said at least one feedstock comprising at least one binder (B) and at least one inorganic powder ( IP), said at least one binder (B) comprising at least one polyoxymethylene (POM);
b) heating the at least one feedstock within the 3D printer;
c) extruding said at least one heated feedstock obtained in step b) through said at least one nozzle to obtain at least one extruded strand;
d) forming said three-dimensional green body (GB) layer by layer from said at least one extruded strand obtained in step c) on a base plate (BP) arranged in said build chamber; the base plate (BP) comprises the at least one binder (B) and optionally the at least one inorganic powder (IP);
e) removing the three-dimensional green body (GB) and the base plate (BP) from the build chamber, the three-dimensional green body (GB) being attached to the base plate (BP);
including methods.
ｉｉ） 前記少なくとも１つの無機粉末（ＩＰ）は、金属、金属合金及びセラミック材料前駆体からなる群から選択される少なくとも１つの無機材料の粉末であり、及び／又は、
ｉｉｉ） ステップｂ）において、前記少なくとも１つの供給原料は前記少なくとも１つのバインダー（Ｂ）の溶融温度より高い温度に加熱され、及び／又は、
ｉｖ） ステップｂ）による前記少なくとも１つの供給原料の加熱は、前記少なくとも１つのノズルの内部で実施される、請求項１に記載の方法。 i) the particle size of the at least one inorganic powder (IP) is from 0.1 to 80 μm, preferably from 0.5 to 50 μm, more preferably from 1 to 30 μm; and/or
ii) said at least one inorganic powder (IP) is a powder of at least one inorganic material selected from the group consisting of metals, metal alloys and ceramic material precursors; and/or
iii) in step b) said at least one feedstock is heated to a temperature above the melting temperature of said at least one binder (B), and/or
iv) A method according to claim 1, wherein heating of the at least one feedstock according to step b) is carried out inside the at least one nozzle.
ｉｉ） 前記少なくとも１つのフィラメントの直径は、１．５～３．５ｍｍ、好ましくは１．６～３．２ｍｍ、より好ましくは１．７～３．１ｍｍである、請求項３に記載の方法。 i) said at least one filament comprises 30-70% by volume of said at least one inorganic powder (IP) and 30-70% by volume of said at least one binder (B), based on the total volume of said at least one filament; ), preferably 40-65% by volume of the at least one inorganic powder (IP) and 35-60% by volume of the at least one binder (B), and/or
4. A method according to claim 3, wherein ii) the diameter of the at least one filament is between 1.5 and 3.5 mm, preferably between 1.6 and 3.2 mm, more preferably between 1.7 and 3.1 mm.
前記コア材料（ＣＭ）は、前記コア材料（ＣＭ）の総体積に基づいて、３０～７０体積％の前記少なくとも１つの無機粉末（ＩＰ）及び３０～７０体積％の前記少なくとも１つのバインダー（Ｂ）を含み、
及び、
前記シェル材料（ＳＭ）は、前記シェル材料（ＳＭ）の総体積に基づいて、７５～１００体積％の少なくとも１つの熱可塑性ポリマー（ＴＰ）、０～２０体積％の前記少なくとも１つの無機粉末（ＩＰ）、及び０～２５体積％の前記少なくとも１つの添加剤（Ａ）を含む、請求項３に記載の方法。 said at least one filament comprises a core material (CM) coated with a layer of shell material (SM);
The core material (CM) contains 30-70% by volume of the at least one inorganic powder (IP) and 30-70% by volume of the at least one binder (B), based on the total volume of the core material (CM). ), including
as well as,
The shell material (SM) comprises, based on the total volume of the shell material (SM), 75-100% by volume of at least one thermoplastic polymer (TP), 0-20% by volume of the at least one inorganic powder ( 4. The method according to claim 3, comprising: IP) and 0 to 25% by volume of said at least one additive (A) .
ｉｉ） 前記コア材料（ＣＭ）の直径は、１．３～３．０ｍｍ、好ましくは１．４～２．９５ｍｍ、より好ましくは１．５～２．９ｍｍであり、及び／又は、
ｉｉｉ） 前記シェル材料（ＳＭ）の層の厚さは、０．０１～０．５ｍｍ、好ましくは０．０２～０．３ｍｍ、より好ましくは０．０２５～０．２５ｍｍであり、及び／又は、
ｉｖ） 前記シェル材料（ＳＭ）の前記少なくとも１つの熱可塑性ポリマー（ＴＰ）は、ポリオキシメチレン（ＰＯＭ）、ポリプロピレンなどのポリオレフィン（ＰＥ）、ポリウレタン（ＰＵ）、ポリアミド（ＰＡ）、ポリエーテル（ＰＥＴＨ）、ポリカーボネート（ＰＣ）、及び／又はポリ乳酸などのポリエステル（ＰＥＳ）及びそれらのブレンドの群から選択され、及び／又は、
ｖ） 前記シェル材料（ＳＭ）の少なくとも１つの添加剤（Ａ）は、分散剤、安定剤、顔料及び粘着付与剤からなる群から選択される、
請求項５に記載の方法。 i) the diameter of said at least one filament is between 1.5 and 3.5 mm, preferably between 1.6 and 3.2 mm, more preferably between 1.7 and 3.1 mm, and/or
ii) the diameter of the core material (CM) is 1.3 to 3.0 mm, preferably 1.4 to 2.95 mm, more preferably 1.5 to 2.9 mm, and/or
iii) the thickness of the layer of shell material (SM) is between 0.01 and 0.5 mm, preferably between 0.02 and 0.3 mm, more preferably between 0.025 and 0.25 mm; and/or
iv) said at least one thermoplastic polymer (TP) of said shell material (SM) is a polyolefin (PE) such as polyoxymethylene (POM), polypropylene, polyurethane (PU), polyamide (PA), polyether (PETH). ), polycarbonate (PC), and/or polyester (PES), such as polylactic acid, and blends thereof, and/or
v) at least one additive (A) of said shell material (SM) is selected from the group consisting of dispersants, stabilizers, pigments and tackifiers;
The method according to claim 5.
（ｂ１）前記少なくとも１つのバインダー（Ｂ）の総質量に基づいて、５０～９８質量％の前記少なくとも１つのポリオキシメチレン（ＰＯＭ）、
（ｂ２）前記少なくとも１つのバインダー（Ｂ）の総質量に基づいて、２～５０質量％の少なくとも１つのポリオレフィン（ＰＯ）、
（ｂ３）前記少なくとも１つのバインダー（Ｂ）の総質量に基づいて、０～４０質量％の少なくとも１つのさらなるポリマー（ＦＰ）、
を含む、請求項１～９のいずれか１項に記載の方法。 The at least one binder (B) is
(b1) 50 to 98% by weight of said at least one polyoxymethylene (POM), based on the total weight of said at least one binder (B);
(b2) 2 to 50% by weight of at least one polyolefin (PO), based on the total weight of said at least one binder (B);
(b3) 0 to 40% by weight of at least one further polymer (FP), based on the total weight of said at least one binder (B);
The method according to any one of claims 1 to 9, comprising:
ｉ） ０．５～２０ｍｍ、好ましくは１～１５ｍｍ、より好ましくは１～１０ｍｍの厚さを有し、及び／又は、
ｉｉ） 射出成形又は押し出しによって、好ましくは射出成形によって調製される、
請求項１～１１のいずれか１項に記載の方法。 The base plate (BP) is
i) has a thickness of 0.5 to 20 mm, preferably 1 to 15 mm, more preferably 1 to 10 mm, and/or
ii) prepared by injection molding or extrusion, preferably by injection molding;
The method according to any one of claims 1 to 11.
ｆ１）前記ベースプレート（ＢＰ）と、前記ベースプレート（ＢＰ）に取り付けられた前記三次元グリーン体（ＧＢ）を脱バインダーするステップであって、三次元ブラウン体（ＢＢ）が前記三次元グリーン体（ＧＢ）から形成される、ステップと、
ｇ１）前記ベースプレート（ＢＰ）と、前記ベースプレート（ＢＰ）に取り付けられた前記三次元ブラウン体（ＧＢ）とを焼結するステップであって、三次元焼結体が前記三次元ブラウン体（ＢＢ）から形成される、ステップと、
ｈ１）前記三次元焼結体を前記ベースプレート（ＢＰ）から分離する、ステップと、
が続く、請求項１～１２のいずれか１項に記載の方法。 After step e), the following steps f1) to h1):
f1) A step of debinding the base plate (BP) and the three-dimensional green body (GB) attached to the base plate (BP), wherein the three-dimensional brown body (BB) is attached to the three-dimensional green body (GB). ) formed from steps and
g1) A step of sintering the base plate (BP) and the three-dimensional Brown body (GB) attached to the base plate (BP), the three-dimensional sintered body being the three-dimensional Brown body (BB). a step formed from;
h1) separating the three -dimensional sintered body from the base plate (BP);
13. The method according to any one of claims 1 to 12, followed by:
ｆ２）前記三次元グリーン体（ＧＢ）を前記ベースプレート（ＢＰ）から分離するステップと、
ｇ２）前記三次元グリーン体（ＧＢ）を脱バインダーするステップであって、前記三次元ブラウン体（ＢＢ）が前記三次元グリーン体（ＧＢ）から形成される、ステップと、
ｈ２）前記三次元ブラウン体（ＧＢ）を焼結するステップであって、三次元焼結体が前記三次元ブラウン体（ＢＢ）から形成される、ステップと、
が続く、請求項１～１２のいずれか１項に記載の方法。 After step e), the following steps f2) to h2):
f2) separating the three-dimensional green body (GB) from the base plate (BP);
g2) debinding the three-dimensional green body (GB), wherein the three-dimensional brown body (BB) is formed from the three-dimensional green body (GB);
h2) sintering the three-dimensional Brown body (GB), the three-dimensional sintered body being formed from the three-dimensional Brown body (BB);
13. The method according to any one of claims 1 to 12, followed by:
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19218245.9 | 2019-12-19 | ||
| EP19218245 | 2019-12-19 | ||
| PCT/EP2020/084262 WO2021121999A1 (en) | 2019-12-19 | 2020-12-02 | A process for the production of a three-dimensional green body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2023511500A JP2023511500A (en) | 2023-03-20 |
| JPWO2021121999A5 true JPWO2021121999A5 (en) | 2023-12-08 |
Family
ID=69185108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022538126A Pending JP2023511500A (en) | 2019-12-19 | 2020-12-02 | A method for producing a three-dimensional green body |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20230347583A1 (en) |
| EP (1) | EP4076904B1 (en) |
| JP (1) | JP2023511500A (en) |
| KR (1) | KR20220119422A (en) |
| CN (1) | CN114829109A (en) |
| WO (1) | WO2021121999A1 (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4767813A (en) | 1987-03-23 | 1988-08-30 | Polysar Financial Services S.A. | High solids PSA Compounds |
| US5121329A (en) | 1989-10-30 | 1992-06-09 | Stratasys, Inc. | Apparatus and method for creating three-dimensional objects |
| EP0444475B1 (en) | 1990-02-21 | 1994-04-27 | BASF Aktiengesellschaft | Thermoplastic composition for the preparation of ceramic moulding masses |
| BRPI0714047B1 (en) | 2006-07-13 | 2018-01-02 | Basf Se | BINDING, THERMOPLASTIC COMPOSITION, USE OF THERMOPLASTIC COMPOSITION, METAL MOLDED BODY, AND PROCESSES FOR THE PRODUCTION OF A THERMOPLASTIC COMPOSITION FOR THE PRODUCTION OF MOLDED BODIES FROM A THERMOPLASTIC COMPOSITION |
| EP2812407B1 (en) | 2012-02-06 | 2019-08-21 | Basf Se | Aqueous polymer dispersion that can be used as a tackifier for adhesives and can be produced by emulsion polymerisation based on c1 to c20 alkyl (meth)acrylates |
| KR102368335B1 (en) | 2014-07-22 | 2022-02-28 | 바스프 에스이 | Mixture for use in a fused filament fabrication process |
| EP3322843B1 (en) | 2015-07-14 | 2019-11-06 | Basf Se | Filaments based on a coated core material |
| WO2018195464A1 (en) * | 2017-04-21 | 2018-10-25 | Desktop Metal, Inc. | Adhesion to build plate in 3d printer |
| WO2018200548A1 (en) * | 2017-04-24 | 2018-11-01 | Desktop Metal, Inc. | Additive fabrication with infiltratable structures |
| JP7180078B2 (en) * | 2018-02-21 | 2022-11-30 | セイコーエプソン株式会社 | Three-dimensional object manufacturing method and modeling apparatus |
-
2020
- 2020-12-02 KR KR1020227024741A patent/KR20220119422A/en unknown
- 2020-12-02 JP JP2022538126A patent/JP2023511500A/en active Pending
- 2020-12-02 US US17/785,884 patent/US20230347583A1/en active Pending
- 2020-12-02 WO PCT/EP2020/084262 patent/WO2021121999A1/en active Search and Examination
- 2020-12-02 EP EP20817332.8A patent/EP4076904B1/en active Active
- 2020-12-02 CN CN202080087061.XA patent/CN114829109A/en active Pending
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