JP6420902B2 - 3次元(3d)印刷用融合剤 - Google Patents
3次元(3d)印刷用融合剤 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- 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
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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
- B33Y80/00—Products made by additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/0458—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on heating elements forming bubbles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0023—Digital printing methods characterised by the inks used
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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
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- C09D11/00—Inks
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- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
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- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
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- C09D11/00—Inks
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- C09D11/10—Printing inks based on artificial resins
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- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
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- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/32—Inkjet printing inks characterised by colouring agents
- C09D11/324—Inkjet printing inks characterised by colouring agents containing carbon black
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Description
融合剤は、ここに開示の例に従って調製した。例示的な融合剤の配合を表1に示す。比較例の融合剤も調製した。この比較例の融合剤の配合も表1に示す。量は、重量パーセントとして記載されている。カーボンブラック顔料は配合物に対し、水性分散物(水およびポリマー分散剤を含む)の形態で添加したが、表1に示された量は、カーボンブラック顔料の実際の量を表している。
融合剤中に用いられる顔料の種類が、形成される3D物体の機械的特性に及ぼす影響を試験するために、3つの異なるカーボンブラック顔料分散物を使用して、3つの異なる融合剤を作成した。他の点では、これらの異なる融合剤のビヒクルは同じであった。ビヒクルは10未満のHLBを有する界面活性剤を含まないことが留意される。1つの実施例融合剤が調製され(実施例CA2)、2つの比較例融合剤が調製された(比較例CA2および3)。比較例のCA2におけるカーボンブラック顔料は、実施例1のCB1(すなわちポリマー分散されていない表面処理されたカーボンブラック顔料)であった。比較例のCA3におけるカーボンブラック顔料は、12,000未満の重量平均分子量を有するスチレンアクリレートでポリマー分散したカーボンブラック顔料であった。実施例のCA2中のカーボンブラック顔料は、実施例1のCB2(すなわちJONCRYL登録商標671−約17,000の重量平均分子量を有するスチレンアクリレート−で分散したカーボンブラック顔料)であった。これらの配合を表3に示す。
融合剤中に使用される抗コゲーション剤のレベルが、形成された3D物体の機械的特性に及ぼす影響を試験するために、2つの異なる抗コゲーション剤レベルを用いて、2つの異なる融合剤を作成した。1つの実施例融合剤を調製し(実施例CA3)、1つの比較例融合剤を調製した(比較例CA4)。これらの配合を表5に示す。
Claims (11)
- 3次元(3D)印刷用の融合剤であって:
融合剤の合計重量%の約15重量%から約30重量%の範囲の量で存在する共溶媒;
融合剤の合計重量%の約0.5重量%から約1.4重量%の範囲の量で存在する界面活性剤であり、10未満の親水性親油性バランス(HLB)値を有する界面活性剤;
融合剤の合計重量%の約3.0重量%から約6.0重量%の範囲の量で存在するカーボンブラック顔料;
約12,000から約20,000の範囲の重量平均分子量を有するポリマー分散剤;および
バランス量の水
を含む融合剤。 - 融合剤の合計重量%の約0.03重量%から約0.10重量%の範囲の量で存在するキレート剤をさらに含む、請求項1に記載の融合剤。
- ポリマー分散剤が、スチレンアクリレートおよびポリウレタンからなる群より選択される、請求項1又は2に記載の融合剤。
- 共溶媒が300℃未満の沸点を有する、請求項1〜3の何れか1項に記載の融合剤。
- 共溶媒が、2−ピロリジノン、1,5−ペンタンジオール、トリエチレングリコール、テトラエチレングリコール、2−メチル−1,3−プロパンジオール、1,6−ヘキサンジオール、トリプロピレングリコールメチルエーテル、およびこれらの組み合わせからなる群より選択され、融合剤が他の共溶媒を含まない、請求項4に記載の融合剤。
- 界面活性剤が、アセチレンジオールの化学に基づく自己乳化性界面活性剤であり、またはフルオロ界面活性剤およびアセチレンジオールの化学に基づく自己乳化性界面活性剤の組み合わせを含む、請求項1〜5の何れか1項に記載の融合剤。
- ポリアクリル酸ポリマーとオレス−3−ホスフェートの組み合わせを含む抗コゲーション剤をさらに含み、この組み合わせが融合剤の合計重量%の0.20重量%超から約0.62重量%の範囲の量で存在する、請求項1〜6の何れか1項に記載の融合剤。
- 3次元(3D)印刷用の融合剤であって:
融合剤の合計重量%の約15重量%から約30重量%の範囲の量で存在する共溶媒;
融合剤の合計重量%の約0.5重量%から約1.4重量%の範囲の量で存在する界面活性剤であって、10未満の親水性親油性バランス(HLB)値を有する界面活性剤;
融合剤の合計重量%の0.20重量%超から約0.62重量%の範囲の量で存在する抗コゲーション剤;
融合剤の合計重量%の約3.0重量%から約6.0重量%の範囲の量で存在するカーボンブラック顔料;
約12,000から約20,000の範囲の重量平均分子量を有するポリマー分散剤;
融合剤の合計重量%の約0.03重量%から約0.10重量%の範囲の量で存在するキレート剤;
任意選択的に殺生物剤;および
バランス量の水
からなる融合剤。 - 殺生物剤が融合剤の合計重量%の約0.30重量%から約0.40重量%の範囲の量で存在する、請求項8に記載の融合剤。
- 3D印刷された物体の層であって:
構築材料;および
構築材料の少なくとも幾らかの表面に適用された請求項1〜9の何れか1項に記載の融合剤
を包含する層。 - 構築材料が、ポリアミド、ポリエチレン、ポリエチレンテレフタレート(PET)、ポリスチレン、ポリアセタール、ポリプロピレン、ポリカーボネート、ポリエステル、ポリウレタン、およびこれらのブレンドからなる群より選択されるポリマーである、請求項10に記載の層。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2014/058091 WO2016053248A1 (en) | 2014-09-29 | 2014-09-29 | Coalescing agent for three-dimensional (3d) printing |
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JP2017531572A JP2017531572A (ja) | 2017-10-26 |
JP6420902B2 true JP6420902B2 (ja) | 2018-11-07 |
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JP2017516303A Active JP6420902B2 (ja) | 2014-09-29 | 2014-09-29 | 3次元(3d)印刷用融合剤 |
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US (2) | US10640661B2 (ja) |
EP (1) | EP3201258B1 (ja) |
JP (1) | JP6420902B2 (ja) |
KR (1) | KR102221213B1 (ja) |
CN (1) | CN106795291B (ja) |
BR (1) | BR112017005750B1 (ja) |
WO (1) | WO2016053248A1 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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EP3200977B1 (en) * | 2014-09-29 | 2021-06-02 | Hewlett-Packard Development Company, L.P. | Three-dimensional (3d) printing system |
EP3448659B1 (en) * | 2016-04-28 | 2023-02-22 | Hewlett-Packard Development Company, L.P. | Material sets |
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