JP7328523B2 - 造形用粉末 - Google Patents
造形用粉末 Download PDFInfo
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- JP7328523B2 JP7328523B2 JP2019146306A JP2019146306A JP7328523B2 JP 7328523 B2 JP7328523 B2 JP 7328523B2 JP 2019146306 A JP2019146306 A JP 2019146306A JP 2019146306 A JP2019146306 A JP 2019146306A JP 7328523 B2 JP7328523 B2 JP 7328523B2
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
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- 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
-
- 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
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
- B29C64/129—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
- B29C64/135—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
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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
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/314—Preparation
-
- 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
- B33Y70/10—Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
-
- 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
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
-
- 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
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
- B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
-
- 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
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- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polymers & Plastics (AREA)
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- Health & Medical Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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Description
[1] フッ素樹脂の粉体を含む粉末床溶融結合法用の造形材料であって、
前記フッ素樹脂のD50は、30μm以上200μm以下であり、
前記フッ素樹脂のD10は、12μm以上である、
造形材料。
[2] 前記フッ素樹脂のD50は、50μm以上70μm以下であり、
前記フッ素樹脂のD10は、17μm以上である、
上記1に記載の造形材料。
[3] 前記フッ素樹脂のD50は、50μm以上70μm以下であり、
前記フッ素樹脂のD10は、17μm以上であり、
前記フッ素樹脂のD90は、130μm以下である、
上記1または2に記載の造形材用。
[4] 前記フッ素樹脂の粉体の静嵩密度が、0.850g/ml以上1.500g/ml以下である、上記1~3のいずれか1つに記載の造形材料。
[5] 前記フッ素樹脂の粉体の静嵩密度が、0.950g/ml以上1.100g/ml以下である、上記1~4のいずれか1つに記載の造形材料。
[6] 前記フッ素樹脂が、テトラフルオロエチレン-パーフルオロアルコキシエチレン共重合体、テトラフルオロエチレン-ヘキサフルオロプロピレン共重合体、またはエチレン-テトラフルオロエチレン共重合体である、上記1~5のいずれか1つに記載の造形材料。
[7] さらにフッ素樹脂以外の他の材料を含む、上記1~6のいずれか1つに記載の造形材料。
[8] 前記他の材料は、シリカ、炭素繊維、グラファイト、カーボンナノチューブ、カーボンナノホーン、フラーレン、酸化アルミニウム、クレー、モンモリロナイト、またはタルクである、上記7に記載の造形材料。
[9] 前記他の材料は、シリカ粒子である、上記7に記載の造形材料。
[10] D50が30μm以上200μm以下であり、D10が12μm以上である、フッ素樹脂の粉体。
る。ここに、「真球度」とは、粉体の真球からのずれを意味し、透過型電子顕微鏡により写真撮影して得られる写真投影図における任意の50個の粒子について、それぞれその最大径と、これと直交する短径との比(最大径/短径)の平均値を意味する。真球度が1に近づくほど真球に近づく。
所望により、重合上がりの粉末をロールにて真比重の90%以上の比重が得られる条件で高密度化して粉砕粉末を得る工程、
上記重合上がりの粉末又は粉砕粉末を、摩擦式ミルに投入する工程、
上記重合上がりの粉末又は粉砕粉末を、所望の形状に処理する工程、および、
上記摩擦式ミルから含フッ素重合体粉末を回収する工程。
ドラム内部にある回転軸の外周部に複数の羽根を配し、これを回転させることで遠心拡散及び渦流作用を生じさせてドラム内で粉末を流動させる装置。粉末は装置内壁に押し付けられることで機械的応力が付与される。粉末を回転軸方向に送りと戻しの機能を有する撹拌部材が稼動してもよい。含フッ素重合体粉末温度が50~200℃の範囲で処理することが好ましい。
Claims (1)
- D50が30μm以上200μm以下であり、D10が12μm以上30μm以下であり、
静嵩密度が、0.850g/ml以上1.500g/ml以下であり、
前記D50およびD10は、レーザー回折法により測定される、
フッ素樹脂の粉体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2018087406 | 2018-04-27 | ||
JP2018087406 | 2018-04-27 | ||
JP2019084812A JP6642759B2 (ja) | 2018-04-27 | 2019-04-26 | 造形用粉末 |
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JP2019084812A Division JP6642759B2 (ja) | 2018-04-27 | 2019-04-26 | 造形用粉末 |
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JP2019206187A JP2019206187A (ja) | 2019-12-05 |
JP7328523B2 true JP7328523B2 (ja) | 2023-08-17 |
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US (2) | US11555098B2 (ja) |
EP (1) | EP3785883A4 (ja) |
JP (2) | JP6642759B2 (ja) |
KR (1) | KR102202980B1 (ja) |
CN (1) | CN111867812A (ja) |
TW (1) | TWI722423B (ja) |
WO (1) | WO2019208760A1 (ja) |
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WO2021111770A1 (ja) * | 2019-12-04 | 2021-06-10 | コニカミノルタ株式会社 | 立体積層造形用樹脂粉末、立体積層造形用樹脂粉末の製造方法、立体積層造形物及び立体積層造形物の作製方法 |
JP7048907B2 (ja) * | 2020-07-09 | 2022-04-06 | ダイキン工業株式会社 | 三次元造形物 |
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WO2017127572A1 (en) | 2016-01-21 | 2017-07-27 | 3M Innovative Properties Company | Additive processing of fluoropolymers |
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JP2021510747A (ja) | 2018-01-15 | 2021-04-30 | アルケマ フランス | レーザー焼結による迅速なプロトタイピングに適合したフルオロポリマー粉末 |
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2019
- 2019-04-26 TW TW108114709A patent/TWI722423B/zh active
- 2019-04-26 CN CN201980018965.4A patent/CN111867812A/zh active Pending
- 2019-04-26 EP EP19793553.9A patent/EP3785883A4/en active Pending
- 2019-04-26 KR KR1020207019877A patent/KR102202980B1/ko active IP Right Grant
- 2019-04-26 JP JP2019084812A patent/JP6642759B2/ja active Active
- 2019-04-26 WO PCT/JP2019/017887 patent/WO2019208760A1/ja active Application Filing
- 2019-08-08 JP JP2019146306A patent/JP7328523B2/ja active Active
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- 2020-10-27 US US17/081,446 patent/US11555098B2/en active Active
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- 2023-01-09 US US18/094,935 patent/US11866570B2/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007049591A1 (ja) | 2005-10-25 | 2007-05-03 | Bussan Nanotech Research Institute Inc. | ふっ素樹脂成形体 |
WO2013031858A1 (ja) | 2011-08-29 | 2013-03-07 | ダイキン工業株式会社 | 含フッ素重合体粉末、皮膜、及び、含フッ素重合体粉末の製造方法 |
WO2017057333A1 (ja) | 2015-09-30 | 2017-04-06 | ニチアス株式会社 | 三次元造形物及びその造形方法 |
US20170174932A1 (en) | 2015-12-22 | 2017-06-22 | Stratasys, Inc. | Materials containing fluoropolymers for additive manufacturing applications |
WO2017127572A1 (en) | 2016-01-21 | 2017-07-27 | 3M Innovative Properties Company | Additive processing of fluoropolymers |
WO2017173258A1 (en) | 2016-04-01 | 2017-10-05 | Arkema Inc. | 3-d printed fluoropolymer structures |
WO2018066433A1 (ja) | 2016-10-03 | 2018-04-12 | 日本ゼオン株式会社 | 複合樹脂材料の製造方法および成形体の製造方法 |
JP2021510747A (ja) | 2018-01-15 | 2021-04-30 | アルケマ フランス | レーザー焼結による迅速なプロトタイピングに適合したフルオロポリマー粉末 |
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EP3785883A1 (en) | 2021-03-03 |
US20230167269A1 (en) | 2023-06-01 |
JP2019206187A (ja) | 2019-12-05 |
JP6642759B2 (ja) | 2020-02-12 |
TW201945161A (zh) | 2019-12-01 |
US11555098B2 (en) | 2023-01-17 |
CN111867812A (zh) | 2020-10-30 |
WO2019208760A1 (ja) | 2019-10-31 |
EP3785883A4 (en) | 2022-01-19 |
KR102202980B1 (ko) | 2021-01-14 |
TWI722423B (zh) | 2021-03-21 |
JP2019194019A (ja) | 2019-11-07 |
US11866570B2 (en) | 2024-01-09 |
US20210047497A1 (en) | 2021-02-18 |
KR20200087873A (ko) | 2020-07-21 |
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