JP6546179B2 - 3d印刷用支持材料 - Google Patents
3d印刷用支持材料 Download PDFInfo
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- JP6546179B2 JP6546179B2 JP2016544481A JP2016544481A JP6546179B2 JP 6546179 B2 JP6546179 B2 JP 6546179B2 JP 2016544481 A JP2016544481 A JP 2016544481A JP 2016544481 A JP2016544481 A JP 2016544481A JP 6546179 B2 JP6546179 B2 JP 6546179B2
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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
- B29C64/40—Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
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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
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
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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
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/112—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
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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
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
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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
- B33Y10/00—Processes of additive manufacturing
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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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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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
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
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- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
- D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
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- 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
- B29K2001/00—Use of cellulose, modified cellulose or cellulose derivatives, e.g. viscose, as moulding material
- B29K2001/08—Cellulose derivatives
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- 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
- B29K2055/00—Use of specific polymers obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of main groups B29K2023/00 - B29K2049/00, e.g. having a vinyl group, as moulding material
- B29K2055/02—ABS polymers, i.e. acrylonitrile-butadiene-styrene polymers
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- 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
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
- B29K2067/04—Polyesters derived from hydroxycarboxylic acids
- B29K2067/046—PLA, i.e. polylactic acid or polylactide
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- 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
- B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
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- 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
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/08—Cellulose derivatives
- C08J2301/26—Cellulose ethers
- C08J2301/28—Alkyl ethers
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- 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
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/08—Cellulose derivatives
- C08J2401/26—Cellulose ethers
- C08J2401/28—Alkyl ethers
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- 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
- C08J2455/00—Characterised by the use of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08J2423/00 - C08J2453/00
- C08J2455/02—Acrylonitrile-Butadiene-Styrene [ABS] polymers
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- 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
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
Description
3次元(3D)印刷のフィラメントの調製
下記の表1に列挙されるように、DS(メトキシル)、MS(ヒドロキシプロポキシル)、及び粘度を有する2つの異なるヒドロキシプロピルメチルセルロース(HPMC)粉末試料から、3次元印刷のフィラメントを作製する。HPMC試料は、アルカリ化セルロースをエーテル化する既知の方法を使用して調製される。エーテル化剤の塩化メチル及び酸化プロピレンをアルカリセルロースに添加して、高温で反応させた。得られた粗HPMCを中和し、熱水を用いて塩素フリーに洗浄し、乾燥して、粉砕する。60〜85℃の温度で80〜100分間、ガス状の塩化水素によりHPMC粉末を加熱することによって、作製したHPMCを部分解重合に供する。
Stratasys社(ミネアポリス、ミネソタ州(米国))から市販されている、3D Printer MakerBot Replicator 2Xを3D印刷に使用する。
1.8mmの直径を有するフィラメントを上記のようにキャピラリーレオメータにおいてHPMC−1及びHPMC−2から作製する。
下記の表3に列挙されるように、DS(メチル)、MS(ヒドロキシプロポキシル)、及び粘度を有するHPMCの試料が提供される。上記の実施例1及び2に記載されるように、試料を調製する。
3次元物品は、支持材料としての1.8mmのHPMC−1フィラメントと、造形材料としての直径1.8mmのポリ(アクリロニトリル−ブタジエン−スチレン)(ABS)フィラメントとから作製される。ABSフィラメントは、Stratasys社(ミネアポリス、ミネソタ州(米国))から市販されている。
1.8mmのHPMC−2フィラメントを支持材料として使用することを除いて、実施例10を繰り返す。印刷されたHPMC−2支持材料とABS造形材料との間の良好な接着を実現する。
ポリ乳酸(PLA)を造形材料として使用することを除いて、実施例10を繰り返す。PLAフィラメントは、Stratasys社(ミネアポリス、ミネソタ州(米国))から市販されている。実施例10と同じ3D Printerを3次元印刷に使用する。HPMC−1及びPLAを215℃で2つの印刷ノズルから印刷する。界面の検査は、層間剥離を示さず、これは良好な界面結合を示す。
1.8mmのHPMC−2フィラメントを支持材料として使用することを除いて、実施例12を繰り返す。本質的に、実施例12のような同じ結果が得られる。
Claims (10)
- 造形材料と、支持材料とを含む3次元印刷物品であって、前記支持材料が、少なくとも1.0のDS及び少なくとも0.6のMSを有するヒドロキシプロピルメチルセルロースを含み、DSが、メトキシル基の置換度であり、MSが、ヒドロキシプロポキシル基のモル置換度であり、20℃の2重量%水溶液として測定された、前記ヒドロキシプロピルメチルセルロースの粘度が、最大30mPa・sである、前記物品。
- 前記ヒドロキシプロピルメチルセルロースの量が、前記支持材料の総重量の少なくとも50重量%である、請求項1に記載の前記物品。
- 前記ヒドロキシプロピルメチルセルロースが、少なくとも1.4のDSを有する、請求項1または2に記載の前記物品。
- 前記ヒドロキシプロピルメチルセルロースが、1.6〜2.5のDSを有する、請求項1〜3のいずれか一項に記載の前記物品。
- 前記ヒドロキシプロピルメチルセルロースが、0.6〜1.7のMSを有する、請求項1〜4のいずれか一項に記載の前記物品。
- 前記造形材料が、ポリ(アクリロニトリル−ブタジエン−スチレン)、ポリカーボネート、及びポリ乳酸からなる群から選択される熱可塑性材料を含む、請求項1〜5のいずれか一項に記載の前記物品。
- 3次元物品を印刷する方法であって、
基板上に流体造形材料の層を選択的に堆積させて前記3次元物品を形成することと、
前記造形材料の前記層のうちの少なくとも1層を支持材料によって支持することとを含み、前記支持材料が、少なくとも1.0のDS及び少なくとも0.6のMSを有するヒドロキシプロピルメチルセルロースを含み、DSが、メトキシル基の置換度であり、MSが、ヒドロキシプロポキシル基のモル置換度であり、20℃の2重量%水溶液として測定された、前記ヒドロキシプロピルメチルセルロースの粘度が、最大30mPa・sである、前記方法。 - 前記造形材料の前記層のうちの少なくとも1層が、請求項2〜5のいずれか一項に記載の支持材料によって支持される、請求項7に記載の前記方法。
- 前記造形材料の前記層が、コンピュータ可読形式の前記3次元物品の画像に従って堆積される、請求項7または8に記載の前記方法。
- 前記造形材料を硬化させることと、前記支持材料を水と接触させることによって、前記造形材料から前記支持材料を除去することとをさらに含む、請求項9に記載の前記方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201461928015P | 2014-01-16 | 2014-01-16 | |
US61/928,015 | 2014-01-16 | ||
PCT/US2015/010746 WO2015108768A1 (en) | 2014-01-16 | 2015-01-09 | Support materials for 3d printing |
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JP2017508639A JP2017508639A (ja) | 2017-03-30 |
JP6546179B2 true JP6546179B2 (ja) | 2019-07-17 |
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JP2016544481A Active JP6546179B2 (ja) | 2014-01-16 | 2015-01-09 | 3d印刷用支持材料 |
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US (2) | US10259921B2 (ja) |
EP (1) | EP3094656B1 (ja) |
JP (1) | JP6546179B2 (ja) |
KR (1) | KR102303883B1 (ja) |
CN (1) | CN105873954B (ja) |
CA (1) | CA2936357C (ja) |
WO (1) | WO2015108768A1 (ja) |
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US10626237B2 (en) | 2020-04-21 |
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CN105873954B (zh) | 2019-03-29 |
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CA2936357C (en) | 2022-04-26 |
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