JP7335922B2 - 環化重合性モノマーを含有する3dプリント用インク - Google Patents
環化重合性モノマーを含有する3dプリント用インク Download PDFInfo
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- JP7335922B2 JP7335922B2 JP2021077226A JP2021077226A JP7335922B2 JP 7335922 B2 JP7335922 B2 JP 7335922B2 JP 2021077226 A JP2021077226 A JP 2021077226A JP 2021077226 A JP2021077226 A JP 2021077226A JP 7335922 B2 JP7335922 B2 JP 7335922B2
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- 125000001183 hydrocarbyl group Chemical group 0.000 claims description 28
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- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 20
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- KUDUQBURMYMBIJ-UHFFFAOYSA-N 2-prop-2-enoyloxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC(=O)C=C KUDUQBURMYMBIJ-UHFFFAOYSA-N 0.000 description 2
- 239000004322 Butylated hydroxytoluene Substances 0.000 description 2
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- 238000013019 agitation Methods 0.000 description 1
- 229920003232 aliphatic polyester Polymers 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 229940027998 antiseptic and disinfectant acridine derivative Drugs 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- VCCBEIPGXKNHFW-UHFFFAOYSA-N biphenyl-4,4'-diol Chemical group C1=CC(O)=CC=C1C1=CC=C(O)C=C1 VCCBEIPGXKNHFW-UHFFFAOYSA-N 0.000 description 1
- ATTYOMZAJPHSOA-UHFFFAOYSA-N bis(2-hydroxy-3-propan-2-ylphenyl)methanone Chemical compound CC(C)C1=CC=CC(C(=O)C=2C(=C(C(C)C)C=CC=2)O)=C1O ATTYOMZAJPHSOA-UHFFFAOYSA-N 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- OIWOHHBRDFKZNC-UHFFFAOYSA-N cyclohexyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1CCCCC1 OIWOHHBRDFKZNC-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- PODOEQVNFJSWIK-UHFFFAOYSA-N diphenylphosphoryl-(2,4,6-trimethoxyphenyl)methanone Chemical compound COC1=CC(OC)=CC(OC)=C1C(=O)P(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 PODOEQVNFJSWIK-UHFFFAOYSA-N 0.000 description 1
- GMSCBRSQMRDRCD-UHFFFAOYSA-N dodecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCOC(=O)C(C)=C GMSCBRSQMRDRCD-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- MHCLJIVVJQQNKQ-UHFFFAOYSA-N ethyl carbamate;2-methylprop-2-enoic acid Chemical compound CCOC(N)=O.CC(=C)C(O)=O MHCLJIVVJQQNKQ-UHFFFAOYSA-N 0.000 description 1
- JZMPIUODFXBXSC-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.OC(=O)C=C.CCOC(N)=O JZMPIUODFXBXSC-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000010685 fatty oil Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 238000010100 freeform fabrication Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 239000013628 high molecular weight specie Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 229940119545 isobornyl methacrylate Drugs 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000013627 low molecular weight specie Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 150000002988 phenazines Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- FBCQUCJYYPMKRO-UHFFFAOYSA-N prop-2-enyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC=C FBCQUCJYYPMKRO-UHFFFAOYSA-N 0.000 description 1
- QTECDUFMBMSHKR-UHFFFAOYSA-N prop-2-enyl prop-2-enoate Chemical compound C=CCOC(=O)C=C QTECDUFMBMSHKR-UHFFFAOYSA-N 0.000 description 1
- 150000003252 quinoxalines Chemical class 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- MUTNCGKQJGXKEM-UHFFFAOYSA-N tamibarotene Chemical compound C=1C=C2C(C)(C)CCC(C)(C)C2=CC=1NC(=O)C1=CC=C(C(O)=O)C=C1 MUTNCGKQJGXKEM-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 150000007964 xanthones Chemical class 0.000 description 1
Images
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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
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
-
- 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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- 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
- 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
-
- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F36/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F36/20—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds unconjugated
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
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- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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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
- B29C64/124—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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- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/04—Polymers of esters
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- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
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- Polymerisation Methods In General (AREA)
Description
Xは、O、S、NH、NR5、又はCR5R6であり;
R1は、H、又は1~10の炭素原子を有する炭化水素基であり;
R2は1~4の炭素原子を有する炭化水素基であり;
R3は1~4の炭素原子を有する炭化水素基であり;
R4は
であり;
R5は1~4の炭素原子を有する炭化水素基であり;及び
R6は1~4の炭素原子を有する炭化水素基である。
加えて、
R2及びR3の炭素原子の総数は5を超えない。例えば、一部の例では、式(I)により表される環化重合性モノマーは、より特異的な式(II)の構造を有する:
1つの態様では、3Dプリンタと共に使用するためのインクを本明細書に記載する。一部の実施形態では、本明細書に記載のインクは、環化重合性モノマーを含む。加えて、本明細書に記載のインクは、一部の例では、以下の1つ以上をさらに含む:オリゴマー硬化性材料;追加のモノマー硬化性材料;少なくとも1つの光開始剤;少なくとも1つの着色剤;並びに、禁止剤及び安定剤からなる群より選択される1つ以上の添加剤。
であってよく;R5は1~4の炭素原子を有する炭化水素基であってよく;R6は1~4の炭素原子を有する炭化水素基であってよく;さらに、R2及びR3の炭素原子の総数は5を超えない。式(I)中の炭化水素基はいずれも、分枝でも直鎖でも、また飽和でも不飽和でもよく、さらに、炭化水素基は、飽和又は不飽和の、置換又は非置換の炭化水素環であるか又はそれを含んでいてよい。
別の態様では、3D物品又は物体をプリントする方法を本明細書に記載する。本明細書に記載の3D物品又は物体をプリントする方法は、層ごとの様式で、本明細書に記載のインクの複数の層から3D物品を形成することを含み得る。上記セクションIに記載のいずれのインクを用いてもよい。例えば、一部の例では、インクは、インクの総質量に基づき、10~70又は20~40質量%の上記セクションIに記載の環化重合性モノマーを含む。加えて、一部の実施形態では、インクは、30℃で1,600cp以下又は500cp以下の動的粘度を有する。さらに、3D物品のコンピュータ可読形式の画像に従って、インクの層を堆積させることができる。一部の実施形態では、予め選択されたコンピュータ支援設計(CAD)パラメータに従って、インクを堆積させる。さらには、一部の例では、本明細書に記載のインクの1つ以上の層は、約10μm~約100μm、約10μm~約80μm、約10μm~約50μm、約20μm~約100μm、約20μm~約80μm、又は約20μm~約40μmの厚さを有する。他の厚さも可能である。
材料堆積法では、本明細書に記載のインクの1つ以上の層を基体上に選択的に堆積させ、さらに硬化させる。インクの硬化は、インクの1つの層、各層、いくつかの層、又は全ての層の選択的堆積の後に生じ得る。
SLA法などのバット重合法を用いて、本明細書に記載のインクから3D物品を形成することも可能である。従って、一部の例では、本明細書に記載の3D物品をプリントする方法は、本明細書に記載のインクを流体状態で容器内に保持する工程、及び容器内のインクにエネルギーを選択的に印加して、インクの流体層の少なくとも一部を固化し、それによって、3D物品の断面を画成する固化層を形成する工程を含む。加えて、本明細書に記載の方法は、インクの固化層を上昇又は降下させて、容器内の流体インクの表面に未固化インクの新しい又は第2の流体層を提供し、続いて、容器内のインクにエネルギーを再び選択的に印加し、インクの新しい又は第2の流体層の少なくとも一部を固化して、3D物品の第2の断面を画成する第2の固化層を形成する工程をさらに含み得る。さらに、インクを固化するためにエネルギーを印加することによって、3D物品の第1及び第2の断面を、z方向(又は、上記の上昇又は降下方向に対応する造形方向)に互いに結合又は接着させることができる。さらには、容器内のインクにエネルギーを選択的に印加する工程は、インクを硬化させるのに十分なエネルギーを有する電磁放射線を印加することを含み得る。一部の例では、電磁放射線は、300~900nmの平均波長を有し、他の実施形態では、電磁放射線は、300nm未満の平均波長を有する。一部の例では、硬化放射は、コンピュータ制御されたレーザ光線によって提供される。加えて、一部の例では、インクの固化層を上昇又は降下させる工程は、流体インクの容器内に配置された昇降プラットフォームを使用して行われる。本明細書に記載の方法はまた、昇降プラットフォームを上昇又は降下させることによってもたらされる流体インクの新しい層を平坦化する工程も含み得る。このような平坦化は、一部の例では、ワイパ又はローラによって行うことができる。
別の態様では、プリントされた3D物品を本明細書に記載する。一部の実施形態では、プリントされた3D物品は、本明細書に記載のインクから形成される。本明細書の上記セクションIに記載のいずれのインクを用いてもよい。例えば、一部の例では、インクは、上記のセクションIに記載のように、インクの総質量に基づき、10~70又は20~40質量%の環化重合性モノマーを含む。さらに、一部の実施形態では、インクは、硬化前に、30℃で1,600cp以下又は500cp以下の動的粘度を有する。さらには、一部の例では、本明細書に記載のプリントされた3D物品は、硬化したとき(例えば、後硬化したとき)に、射出成形した熱可塑性材料物品と同様の機械的特性を示し得る。例えば、そのようなプリントされた3D物品は、一部の例では、ASTM D638に準拠して測定した場合に、約10~70%、約10~60%、約15~50%、又は約20~50%の破断伸びを示し得る。さらに、本明細書に記載のプリントされた3D物品は、一部の例では、ASTM D638に準拠して測定した場合に、約40~70MPa、約40~60MPa、又は約45~55MPaの引張強度を有し得る。加えて、本明細書に記載のプリントされた3D物品は、一部の実施形態では、ASTM D638に準拠して測定した場合に、約1800~2100MPa、約1900~2100MPa、又は約1950~2050MPaの引張弾性率を有し得る。とりわけ、本明細書に記載のプリントされた3D物品は、ASTM D256に準拠して測定した場合に、1~4ft・lb/in(約53~214J/m)(ノッチ付き)、1~3ft・lb/in(約53~160J/m)(ノッチ付き)、又は1~2ft・lb/in(約53~107J/m)(ノッチ付き)の耐衝撃性を有し得る。最後に、本明細書に記載のプリントされた3D物品は、ASTM D790に準拠して測定した場合に、2000~2500MPa、2100~2400MPa、又は2100~2200MPaの曲げ弾性率を有し得る。
1.三次元プリントシステムで使用するためのインクであって、
インクの総質量に基づき、10~70質量%の環化重合性モノマーを含み、
前記環化重合性モノマーは、アクリレート部分及びエテニル又はエチニル部分を含み、
前記アクリレート部分のα-炭素とエテニル又はエチニル部分のα-炭素は、1,5-、1,6-、1,7-、又は1,8-の関係を有する、インク。
Xは、O、S、NH、NR5、又はCR5R6であり;
R1は、H、又は1~10の炭素原子を有する炭化水素基であり;
R2は1~4の炭素原子を有する炭化水素基であり;
R3は1~4の炭素原子を有する炭化水素基であり;
R4は
であり;
R5は1~4の炭素原子を有する炭化水素基であり;
R6は1~4の炭素原子を有する炭化水素基であり;及び
R2及びR3の炭素原子の総数は5を超えない。
10~80質量%のオリゴマー硬化性材料;及び
80質量%までの追加のモノマー硬化性材料
をさらに含む、実施形態1~15のいずれかに記載のインク。
三次元物品を形成するために流体状態のインクの層を基体上に選択的に堆積させる工程を含み、
前記インクは、請求項1~21のいずれか1項に記載のインクを含む、方法。
流体状態のインクを容器内に保持する工程;
前記容器内のインクにエネルギーを選択的に印加して、前記インクの第1の流体層の少なくとも一部を固化させ、それによって物品の第1の断面を画成する第1の固化層を形成する工程;
前記第1の固化層を上昇又は降下させて、容器内の流体インクの表面にインクの第2の流体層を提供する工程;及び
前記容器内のインクにエネルギーを選択的に印加して、前記インクの第2の流体層の少なくとも一部を固化させ、それによって物品の第2の断面を画成する第2の固化層を形成する工程であって、前記第1の断面と第2の断面とがz方向に互いに結合される工程
を含み、
前記インクは、実施形態1~21のいずれかに記載のインクを含む、方法。
Claims (15)
- 三次元プリントシステムで使用するためのインクであって、インクの総質量に基づき、
10~50質量%の環化重合性モノマー、及び
40~80質量%のオリゴマー硬化性材料
を含み、
前記オリゴマー硬化性材料の質量平均分子量は400~10,000の範囲内であり、
前記環化重合性モノマーは式(I)の構造:
Xは、O、S、NH、NR 5 、又はCR 5 R 6 であり;
R 1 は、H、又は1~6の炭素原子を有する炭化水素基であり;
R 2 は1~4の炭素原子を有する炭化水素基であり;
R 3 は1~4の炭素原子を有する炭化水素基であり;
R 4 は
であり;
R 5 は1~4の炭素原子を有する炭化水素基であり;
R 6 は1~4の炭素原子を有する炭化水素基であり;
R 2 及びR 3 の炭素原子の総数は5を超えない]
を有し、
該インクは、硬化した状態で、ASTM D638に準拠して測定した場合に40~70MPaの引張強度を有し、かつASTM D256に準拠して測定した場合に1~4ft・lb/in(約53~214J/m)(ノッチ付き)の耐衝撃性を有し、ここで、硬化した状態のインクは少なくとも95%が重合又は架橋されている、インク。 - 前記環化重合性モノマーが、インクの総質量に基づき、20~40質量%の量でインク中に存在する、請求項1に記載のインク。
- 前記環化重合性モノマーのアクリレート部分のα-炭素とエテニル又はエチニル部分のα-炭素が、1,5-の関係を有する、請求項1又は2に記載のインク。
- 前記環化重合性モノマーのアクリレート部分のα-炭素とエテニル又はエチニル部分のα-炭素が、1,6-の関係、1,7-の関係、又は1,8-の関係を有する、請求項1又は2に記載のインク。
- XがOである、請求項1~4のいずれか一項に記載のインク。
- XがS、NH、NR5、又はCR5R6である、請求項1~4のいずれか一項に記載のインク。
- R2及びR3の炭素原子の総数が4を超えない、請求項1、2、5、及び6のいずれか一項に記載のインク。
- R2及びR3の炭素原子の総数が3を超えない、請求項1、2,5、及び6のいずれか一項に記載のインク。
- R2及びR3の炭素原子の総数が2である、請求項1、2,5、及び6のいずれか一項に記載のインク。
- 追加のモノマー硬化性材料をさらに含む、請求項1~10のいずれか一項に記載のインク。
- 少なくとも1つの光開始剤をさらに含む、請求項1~11のいずれか一項に記載のインク。
- 少なくとも1つの着色剤、又は禁止剤及び安定剤からなる群より選択される1つ以上の添加剤をさらに含む、請求項1~12のいずれか一項に記載のインク。
- 該インクの粘度が、30℃で1,600センチポアズ(cP)以下である、請求項1~13のいずれか一項に記載のインク。
- 前記オリゴマー硬化性材料の質量平均分子量が500~7,000の範囲内である、請求項1~14のいずれか一項に記載のインク。
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