JP7315031B2 - 三次元造形用パターン材料、硬化物、立体造形物、及び前記立体造形物を用いた鋳型の製造方法 - Google Patents
三次元造形用パターン材料、硬化物、立体造形物、及び前記立体造形物を用いた鋳型の製造方法 Download PDFInfo
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- C08F220/306—Esters containing oxygen in addition to the carboxy oxygen containing aromatic rings in the alcohol moiety and containing a polyether chain in the alcohol moiety and polyethylene oxide chain in the alcohol moiety
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- 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
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- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/314—Preparation
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- 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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- C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/30—Esters containing oxygen in addition to the carboxy oxygen containing aromatic rings in the alcohol moiety
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- C08F222/00—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 carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/10—Esters
- C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
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- C—CHEMISTRY; METALLURGY
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- C08F222/00—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 carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/10—Esters
- C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
- C08F222/102—Esters of polyhydric alcohols or polyhydric phenols of dialcohols, e.g. ethylene glycol di(meth)acrylate or 1,4-butanediol dimethacrylate
- C08F222/1025—Esters of polyhydric alcohols or polyhydric phenols of dialcohols, e.g. ethylene glycol di(meth)acrylate or 1,4-butanediol dimethacrylate of aromatic dialcohols
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- C—CHEMISTRY; METALLURGY
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
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- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
- C08F290/062—Polyethers
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- 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
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- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0041—Optical brightening agents, organic pigments
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/08—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
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- 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
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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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- 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
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- Y02P10/25—Process efficiency
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- Organic Chemistry (AREA)
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- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Optics & Photonics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Description
攪拌機を備えた容器に、ビスフェノールAエチレンオキサイド変性(10モル付加)ジメタクリレート80質量部と、ネオペンチルグリコールジメタクリレート20質量部と、光重合開始剤(IGM社製「Omnirad TPO」;2,4,6-トリメチルベンゾイルジフェニルホスフィンオキシド)2質量部とを配合し、液温度60℃に制御しながら1時間攪拌混合し、均一に溶解することで、三次元造形用パターン材料(1)を得た。
表2に示す組成及び配合比率で実施例1と同様の方法にて、三次元造形用パターン材料(2)~(8)を得た。
表2に示す組成及び配合比率で実施例1と同様の方法にて、三次元造形用パターン材料(9)~(14)を得た。
実施例1で得られた三次元造形用パターン材料(1)をデジタルライトプロセッシング(DLP)方式の光造形システム(3Delight社製「DLPプリンターVITTRO」)を用いて、立体造形物(E1’)を作製した。この際、光造形の積層ピッチは0.05~0.1mm、照射波長380~390nm、光照射時間は1層当たり2~6秒とした。前記立体造形物(E1’)を、エタノール中で超音波洗浄した後、LED光源を備えた後硬化装置を用いて、前記立体造形物(E1’)の表面及び裏面よりそれぞれ10分ずつ光照射を行って後硬化させ、目的とする立体造形物(E1)を得た。
実施例9で用いた三次元造形用パターン材料(1)に代えて、実施例2~8で得た三次元造形用パターン材料(2)~(8)を用いた以外は、実施例9と同様にして、立体造形物(E2)~(E8)を得た。
実施例9で用いた三次元造形用パターン材料(1)に代えて、比較例1~6で得た三次元造形用パターン材料(9)~(14)を用いた以外は、実施例9と同様にして、立体造形物(C1)~(C6)を得た。
実施例及び比較例で得られた立体造形物について、JIS K 6253-3:2012「加硫ゴム及び熱可塑性ゴム―硬さの求め方―第3部:デュロメータ硬さ」に記載された測定方法に準じて測定を行った。
実施例及び比較例で得られた立体造形物を5~6mg片に粉砕したものを試験片とし、示差熱熱重量同時測定装置(TG-DTA:メトラートレド社製TGA/DSC1)を用い、窒素雰囲気下で25℃から600℃まで10℃/分で昇温させた時の質量減少を測定し、450℃における燃焼率を[(25℃における初期重量-450℃における重量)/(25℃における初期重量)]から算出した。
実施例及び比較例で得られた3次元造形用パターン材料を用いて、厚さ1mm、幅5mm、長さ50mmの立体造形物を作製し、前記立体造形物について、25℃から200℃における[(各温度での貯蔵弾性率)×(25℃での伸度を基準とした各温度での伸び率)]の最大値より算出した。なお、前記貯蔵弾性率は動的粘弾性測定装置(DMA:日立ハイテクサイエンス社製「DMS6100」)により、25℃から200℃での貯蔵弾性率の測定値を用い、前記伸び率は、熱機械分析装置(TMA:セイコーインスツルメント社製「SS-6100」)により、25℃での伸度を基準とした各温度における伸び率にて算出した。それぞれの値の積の最大値を最大膨張力とした。
クリストバライト埋没材(吉野石膏販売株式会社、サクラクイック30)と水を質量比100:33で混合した埋没材で実施例及び比較例で得られた立体造形物を埋没させ、25℃で30分間静置し埋没材を固化させた。次いで、700℃に加熱した電気炉で1時間加熱し、前記立体造形物を焼却させ鋳型を作製した。この際の鋳造性を、目視にて下記の基準に従い評価した。なお、鋳型の内部においては、鋳型を切断し、目視にて、ひび、亀裂の有無、立体造形物の残渣、煤の有無、鋳型への立体造形物の転写性の良・不良を判断したものである。
△:鋳型内部にひび割れや亀裂があるものの、鋳型外部にはひび割れや亀裂はなく、鋳型内部に立体造形物の残渣、煤がなく、鋳型への立体造形物の転写性が良好である。
×:鋳型外部のひび割れや亀裂、鋳型内部の立体造形物の残渣、煤残り、鋳型への立体造形物の転写不良の少なくとも1つを生じており、鋳型として使用不可である。
Claims (4)
- 下記構造式(1)で表される(メタ)アクリレート化合物(A)と、
脂肪族(メタ)アクリレート化合物(B)とを含有する硬化性樹脂組成物からなる三次元造形用パターン材料であって、前記(メタ)アクリレート化合物(A)の含有量が、前記(メタ)アクリレート化合物(A)と、前記(メタ)アクリレート化合物(B)との合計質量中に50質量%以上であることを特徴とする三次元造形用パターン材料。
- 前記硬化性樹脂組成物が、さらに、光重合開始剤(C)を含有するものである請求項1記載の三次元造形用パターン材料。
- 前記硬化性樹脂組成物が、さらに、顔料(D)を含有するものである請求項1記載の三次元造形用パターン材料。
- 前記脂肪族(メタ)アクリレート化合物(B)が、2官能以上の(メタ)アクリロイル基を有するアクリレート化合物である請求項1~3のいずれか1項記載の三次元造形用パターン材料。
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JP2019231479 | 2019-12-23 | ||
JP2019231479 | 2019-12-23 | ||
PCT/JP2020/047076 WO2021131994A1 (ja) | 2019-12-23 | 2020-12-17 | 三次元造形用パターン材料、硬化物、立体造形物、及び前記立体造形物を用いた鋳型の製造方法 |
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JPWO2021131994A1 JPWO2021131994A1 (ja) | 2021-07-01 |
JP7315031B2 true JP7315031B2 (ja) | 2023-07-26 |
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US (1) | US20220325023A1 (ja) |
EP (1) | EP4082688A4 (ja) |
JP (1) | JP7315031B2 (ja) |
KR (1) | KR20220115574A (ja) |
CN (1) | CN114845826A (ja) |
TW (1) | TW202140587A (ja) |
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JP2008208217A (ja) | 2007-02-26 | 2008-09-11 | Denki Kagaku Kogyo Kk | 樹脂組成物と接着剤 |
JP2017502965A (ja) | 2013-12-31 | 2017-01-26 | デンツプライ インターナショナル インコーポレーテッド | アップコンバージョン蛍光体を含有する歯科用組成物及び使用方法 |
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US5969000A (en) * | 1997-01-17 | 1999-10-19 | Jeneric Pentron Incorporated | Dental resin materials |
DE102004034416A1 (de) * | 2004-07-15 | 2006-02-02 | "Stiftung Caesar" (Center Of Advanced European Studies And Research) | Flüssige, strahlunghärtende Zusammensetzungen |
CN107205884B (zh) | 2015-02-03 | 2020-09-01 | 三井化学株式会社 | 光固化性组合物、义齿基托及带托义齿 |
DE102016225208A1 (de) * | 2016-12-15 | 2018-06-21 | Ivoclar Vivadent Ag | Ausbrennbares Material auf Polymerbasis für die Lost-Wax Technik |
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- 2020-12-17 EP EP20906970.7A patent/EP4082688A4/en active Pending
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JP2008208217A (ja) | 2007-02-26 | 2008-09-11 | Denki Kagaku Kogyo Kk | 樹脂組成物と接着剤 |
JP2017502965A (ja) | 2013-12-31 | 2017-01-26 | デンツプライ インターナショナル インコーポレーテッド | アップコンバージョン蛍光体を含有する歯科用組成物及び使用方法 |
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KR20220115574A (ko) | 2022-08-17 |
US20220325023A1 (en) | 2022-10-13 |
CN114845826A (zh) | 2022-08-02 |
WO2021131994A1 (ja) | 2021-07-01 |
JPWO2021131994A1 (ja) | 2021-07-01 |
EP4082688A4 (en) | 2024-01-31 |
TW202140587A (zh) | 2021-11-01 |
EP4082688A1 (en) | 2022-11-02 |
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