JP6906543B2 - ビーズポリマー層中のガセットをバインダー・ジェッティング法で充填するための噴霧乾燥された軟質相エマルジョンポリマー - Google Patents
ビーズポリマー層中のガセットをバインダー・ジェッティング法で充填するための噴霧乾燥された軟質相エマルジョンポリマー Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 60
- 239000004908 Emulsion polymer Substances 0.000 title claims description 45
- 239000011230 binding agent Substances 0.000 title claims description 44
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- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 10
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- 239000003054 catalyst Substances 0.000 claims description 8
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- 230000001376 precipitating effect Effects 0.000 claims description 3
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- 230000001737 promoting effect Effects 0.000 claims description 2
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- 241001070941 Castanea Species 0.000 claims 1
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- 230000008901 benefit Effects 0.000 description 8
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- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 3
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- 239000002184 metal Substances 0.000 description 2
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- 229920000193 polymethacrylate Polymers 0.000 description 2
- 238000010526 radical polymerization reaction Methods 0.000 description 2
- 150000003440 styrenes Chemical class 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/165—Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/10—Formation of a green body
- B22F10/14—Formation of a green body by jetting of binder onto a bed of metal powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/10—Homopolymers or copolymers of methacrylic acid esters
- C08L33/12—Homopolymers or copolymers of methyl methacrylate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/04—Polymers of esters
- B29K2033/12—Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Description
バインダー・ジェッティングは、付加製造プロセスであり、これは方法を分かりやすく説明する「3Dインクジェット粉末印刷」という用語によっても知られている。この方法の場合、液体バインダーが、例えば市販のインクジェットプリントヘッドによって粉末層に塗布され、それによりこの粉末層の一部が選択的に互いに結合される。この塗布と交互に行われる新たな粉末層の塗布により、最終的に3次元製品が形成される。バインダー・ジェッティングの場合、バインダーおよび粉末材料として種々の材料を用いることができる。粉末材料として、例えば、それぞれ10〜数100μmの直径を有するポリマー粒子、砂、セラミック粒子または金属粉末が適している。砂が用いられる場合、通常、完成品の後処理の必要がない。他の材料、例えばPMMAをはじめとするポリマー粉末の場合、物品のその後の硬化、焼結および/または浸潤が必要とされ得る。しかしながら、そのような後からの処理は、時間および/または費用が掛かり、しばしば起こる収縮のために寸法安定性に悪影響を及ぼし得るので、実際には望ましくない。
本発明の根底にある課題は、時間の掛かる製品の後処理を行う必要なくポリマー粒子を印刷することを可能にすることによってバインダー・ジェッティング法を高速化することであった。
驚くべきことに、これらの課題は、バインダー・ジェッティング法によってパウダーベッドから3次元物体を製造する新規の方法によって解決された。この方法では、方法工程a)およびb)を複数回繰り返すことによって3次元物体が形成される。方法工程a)は、表面上に粉末層を適用する工程である。本発明によれば、パウダーベッドは、少なくとも2種類の異なる粒子を含む。一般にポリマー粒子を含む第1の粒子は10〜500μmのメジアン直径を有し、それに対して、第2の粒子は0.5μm〜80μmのメジアン二次直径を有する凝集されたエマルジョンポリマーを含むことを特徴とする。方法工程b)は、方法工程a)と交互に行われ、かつ方法工程a)に続いて、バインダーを選択的に塗布し、かつ粉末の膨潤および/または硬化によりパウダーベッド中でこのバインダーを引き続き、または同時に増粘させる工程である。
Claims (13)
- 以下の方法工程:a)粉末層を表面上に適用する工程と、b)バインダーを選択的に塗布し、粉末の膨潤および/または硬化によってパウダーベッド中で前記バインダーを引き続きまたは同時に増粘させる工程とを複数回繰り返すことによるバインダー・ジェッティング法によってパウダーベッドから3次元物体を製造する方法であって、前記パウダーベッドは少なくとも2種類の異なる粒子を含有し、第1の粒子は10〜500μmのメジアン直径を有する前記方法において、第2の粒子が、DSCによって測定された前記第1の粒子のガラス転移温度を少なくとも20℃下回る、DSCによって測定されたガラス転移温度を有するエマルジョンポリマーであり、0.5μm〜80μmのメジアン二次直径を有する凝集されたエマルジョンポリマーを含むことを特徴とする、3次元物体を製造する方法。
- 前記凝集されたエマルジョンポリマーは、エマルジョン重合の噴霧乾燥生成物であり、これらのエマルジョンポリマーは100〜800nmのメジアン一次粒径を有し、かつ噴霧乾燥および凝集されたエマルジョンポリマーを前記第1の粒子と混合することを特徴とする、請求項1記載の方法。
- 前記凝集されたエマルジョンポリマーは、重合からのエマルジョンに前記第1の粒子を添加した後にこのエマルジョンを沈殿させ、引き続き濾過し、かつ乾燥させることによって、完全にまたは部分的に凝集された状態で前記第1の粒子の表面上に存在する粒子であることを特徴とする、請求項1記載の方法。
- 前記凝集されたエマルジョンポリマーは、エマルジョン重合の凍結乾燥生成物であり、これらのエマルジョンポリマーは100〜800nmのメジアン一次直径を有し、かつ凍結乾燥および凝集されたエマルジョンポリマーを前記第1の粒子と混合することを特徴とする、請求項1記載の方法。
- 前記第1の粒子が、前記バインダーの硬化に適した開始剤または硬化を促進する触媒もしくは促進剤を含有するポリマー粒子であることを特徴とする、請求項1から4までのいずれか1項記載の方法。
- 前記ポリマー粒子が、30〜120μmの平均直径を有するPMMA懸濁ポリマーであることを特徴とする、請求項5記載の方法。
- 前記第2の粒子が、アクリレートベースのエマルジョンポリマーであることを特徴とする、請求項1から6までのいずれか1項記載の方法。
- 前記沈殿を適切な凝集助剤の添加および/または前記エマルジョンのpHの変更によって促進することを特徴とする、請求項3記載の方法。
- 前記第2の粒子が、前記バインダーの硬化に適した開始剤、または前記硬化を促進する触媒もしくは促進剤を含有することを特徴とする、請求項1から8までのいずれか1項記載の方法。
- 前記凝集されたエマルジョンポリマーの二次直径が1〜5μmのメジアン直径を有することを特徴とする、請求項3記載の方法。
- 前記凝集されたエマルジョンポリマーの二次直径が20〜80μmのメジアン直径を有することを特徴とする、請求項2または4記載の方法。
- エマルジョンポリマー対懸濁ポリマーの質量比が、0.1:9.9〜2:8であることを特徴とする、請求項1から11までのいずれか1項記載の方法。
- エマルジョンポリマー対懸濁ポリマーの質量比が、0.2:9.8〜1:9であることを特徴とする、請求項12記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16164854.8A EP3231588A1 (de) | 2016-04-12 | 2016-04-12 | Sprühgetrocknetes weichphasenemulsionspolymerisat für das auffüllen der zwickel in perlpolymerisatschichten im binder jetting verfahren |
EP16164854.8 | 2016-04-12 | ||
PCT/EP2017/057909 WO2017178270A1 (de) | 2016-04-12 | 2017-04-04 | Sprühgetrocknetes weichphasenemulsionspolymerisat für das auffüllen der zwickel in perlpolymerisatschichten im binder jetting verfahren |
Publications (2)
Publication Number | Publication Date |
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JP2019511404A JP2019511404A (ja) | 2019-04-25 |
JP6906543B2 true JP6906543B2 (ja) | 2021-07-21 |
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JP2018553425A Active JP6906543B2 (ja) | 2016-04-12 | 2017-04-04 | ビーズポリマー層中のガセットをバインダー・ジェッティング法で充填するための噴霧乾燥された軟質相エマルジョンポリマー |
Country Status (21)
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US (1) | US10695978B2 (ja) |
EP (2) | EP3231588A1 (ja) |
JP (1) | JP6906543B2 (ja) |
KR (1) | KR102254279B1 (ja) |
CN (1) | CN109070445B (ja) |
AU (1) | AU2017249642B2 (ja) |
BR (1) | BR112018071015B1 (ja) |
CA (1) | CA3020711A1 (ja) |
DK (1) | DK3442783T3 (ja) |
ES (1) | ES2816066T3 (ja) |
HR (1) | HRP20201398T1 (ja) |
HU (1) | HUE050569T2 (ja) |
IL (1) | IL262261B (ja) |
LT (1) | LT3442783T (ja) |
MX (1) | MX2018012483A (ja) |
PL (1) | PL3442783T3 (ja) |
PT (1) | PT3442783T (ja) |
SG (1) | SG11201808917VA (ja) |
SI (1) | SI3442783T1 (ja) |
TW (1) | TWI720175B (ja) |
WO (1) | WO2017178270A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3235867A1 (de) | 2016-04-20 | 2017-10-25 | Evonik Röhm GmbH | Perlpolymerisat aus hartphase mit domänen einer weichphase |
WO2018059912A1 (de) | 2016-09-28 | 2018-04-05 | Evonik Röhm Gmbh | Herstellung und verwendung von porösen perlpolymerisaten im 3d druck gemäss dem binder jetting verfahren |
EP3712296A4 (en) * | 2017-11-14 | 2021-08-11 | Dai Nippon Printing Co., Ltd. | METAL PLATE FOR THE MANUFACTURE OF VAPOR SEPARATING MASKS, METAL PLATE MANUFACTURING METHODS, STEAM SEPARATING MASK, MANUFACTURING METHODS FOR VAPOR SEPARATING MASK AND STEAM SEPARATING MASK DEVICE WITH STEAM SHIELDING DEVICE |
US12041988B2 (en) | 2020-06-26 | 2024-07-23 | Mark Lamoncha | Protective face mask for attachment to protective eye-ware |
US11766080B2 (en) | 2020-06-26 | 2023-09-26 | Mark Lamoncha | Face shield for attachment to goggles or eyeglasses |
US11865261B2 (en) | 2020-07-14 | 2024-01-09 | Mark Lamoncha | Respirator mask |
CN111976134B (zh) * | 2020-08-11 | 2021-11-16 | 珠海赛纳三维科技有限公司 | 三维物体增材制造方法及装置、存储介质、计算机设备 |
EP4108361A1 (en) | 2021-06-22 | 2022-12-28 | Evonik Operations GmbH | Material system for 3d printing |
EP4108362A1 (en) * | 2021-06-22 | 2022-12-28 | Evonik Operations GmbH | Material system for 3d printing |
EP4108692A1 (en) | 2021-06-22 | 2022-12-28 | Evonik Operations GmbH | Material system for 3d printing |
EP4108363A1 (en) * | 2021-06-22 | 2022-12-28 | Evonik Operations GmbH | Material system for 3d printing |
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US5817206A (en) * | 1996-02-07 | 1998-10-06 | Dtm Corporation | Selective laser sintering of polymer powder of controlled particle size distribution |
DE19649865C1 (de) | 1996-12-02 | 1998-02-12 | Fraunhofer Ges Forschung | Verfahren zur Herstellung eines Formkörpers |
CA2293638C (en) | 1997-06-13 | 2010-08-24 | Massachusetts Institute Of Technology | Jetting layers of powder and the formation of fine powder beds thereby |
JP2005088392A (ja) * | 2003-09-18 | 2005-04-07 | Fuji Photo Film Co Ltd | 三次元造形物の製造方法 |
DE102007025656A1 (de) | 2006-08-20 | 2008-02-21 | Daimler Ag | Selbstaushärtendes Material und Verfahren zum schichtweisen Aufbau dreidimensionaler Bauteile |
US7968626B2 (en) * | 2007-02-22 | 2011-06-28 | Z Corporation | Three dimensional printing material system and method using plasticizer-assisted sintering |
DE102007032836A1 (de) * | 2007-07-12 | 2009-01-15 | Evonik Röhm Gmbh | Emulsionspolymerisat enthaltend Aktivatoren, Verfahren zu dessen Herstellung sowie dessen Verwendung in Zwei- oder Mehrkomponentensystemen |
DE102007061445A1 (de) | 2007-12-20 | 2009-06-25 | Daimler Ag | Flüssigharz und Verfahren zur Herstellung eines Polymerkörpers unter Verwendung des Flüssigharzes |
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US20190126542A1 (en) | 2019-05-02 |
EP3442783A1 (de) | 2019-02-20 |
KR20180134345A (ko) | 2018-12-18 |
CN109070445A (zh) | 2018-12-21 |
HRP20201398T1 (hr) | 2020-11-27 |
CA3020711A1 (en) | 2017-10-19 |
TW201808590A (zh) | 2018-03-16 |
JP2019511404A (ja) | 2019-04-25 |
MX2018012483A (es) | 2019-02-21 |
BR112018071015B1 (pt) | 2022-08-30 |
AU2017249642A1 (en) | 2018-11-22 |
DK3442783T3 (da) | 2020-09-07 |
SI3442783T1 (sl) | 2020-10-30 |
IL262261B (en) | 2022-01-01 |
HUE050569T2 (hu) | 2020-12-28 |
SG11201808917VA (en) | 2018-11-29 |
TWI720175B (zh) | 2021-03-01 |
US10695978B2 (en) | 2020-06-30 |
PT3442783T (pt) | 2020-09-04 |
PL3442783T3 (pl) | 2020-11-16 |
WO2017178270A1 (de) | 2017-10-19 |
CN109070445B (zh) | 2021-03-30 |
IL262261A (en) | 2018-11-29 |
KR102254279B1 (ko) | 2021-05-20 |
AU2017249642B2 (en) | 2021-11-11 |
ES2816066T3 (es) | 2021-03-31 |
EP3442783B1 (de) | 2020-06-03 |
EP3231588A1 (de) | 2017-10-18 |
LT3442783T (lt) | 2020-11-25 |
BR112018071015A2 (pt) | 2019-02-12 |
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