JP2019506499A - 3dプリンティング用組成物 - Google Patents
3dプリンティング用組成物 Download PDFInfo
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- JP2019506499A JP2019506499A JP2018539849A JP2018539849A JP2019506499A JP 2019506499 A JP2019506499 A JP 2019506499A JP 2018539849 A JP2018539849 A JP 2018539849A JP 2018539849 A JP2018539849 A JP 2018539849A JP 2019506499 A JP2019506499 A JP 2019506499A
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Abstract
Description
本出願は、2016年02月05日に出願された大韓民国特許出願第10−2016−0015131号に基づく優先権の利益を主張し、該当韓国特許出願の文献に開示されたすべての内容は本明細書の一部として組み入れるものとする。
本発明は、3Dプリンティング用組成物、これを利用した3Dプリンティング方法及びこれを含む立体形象に関する。
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熱硬化性化合物としてエポキシ樹脂(国都化学のYD−128)及びトリメチロールプロパントリグリシジルエーテル(Trimethylolpropanetriglycidyl ether)を各々95:5の重量割合で混合容器に投入した。前記混合容器に前記熱硬化性化合物100重量部に対して、磁性体粒子として軟磁性体(Soft Type)であるFeOFe2O3粒子(Multi−Magnetic Domains、保磁力94kOe、飽和磁化値80emu/g、粒径約100nm:Field Emission Scanning Electron Microscopeで測定(DLS利用))5重量部、熱可塑性樹脂としてアクリル系樹脂(DOW Plaroid社のB60)5重量部及び熱硬化剤として三新化学のSI−B2A硬化剤を0.5重量部投入して3Dプリンティング用組成物を製造した。
熱可塑性樹脂としてアクリル系樹脂のDOW Plaroid社のA14を使用したこと以外は、実施例1と同一な方法で3Dプリンティング用組成物を製造し、立体形象を形成した。
熱可塑性樹脂としてLG化学の高密度ポリエチレン(HDPE)を使用したこと以外は、実施例1と同一な方法で3Dプリンティング用組成物を製造し、立体形象を形成した。
熱可塑性樹脂としてメラミン樹脂(DONGKWANG、DM−30)を使用したこと以外は、実施例1と同一な方法で3Dプリンティング用組成物を製造し、立体形象を形成した。
熱可塑性樹脂としてポリウレタン樹脂(国都化学、KPU−100)を使用したこと以外は、実施例1と同一な方法で3Dプリンティング用組成物を製造し、立体形象を形成した。
熱可塑性樹脂としてアクロニトリル−ブタジエン−スチレン樹脂(ABS、LG化学)を使用したこと以外は、実施例1と同一な方法で3Dプリンティング用組成物を製造し、立体形象を形成した。
熱可塑性樹脂としてポリスチレン樹脂(Sigma Aldrich、Mw13,000)を使用したこと以外は、実施例1と同一な方法で3Dプリンティング用組成物を製造し、立体形象を形成した。
熱可塑性樹脂を使用しなかったこと以外は、実施例1と同一な方法で3Dプリンティング用組成物を製造し、立体形象を形成した。
実施例及び比較例で製造した3Dプリンティング用組成物に対する表面エネルギーは、Kruss社のTensiometer K10STを使用し、Wilhelmy plate methodを使用して測定した。公知のまわりを有する白金で生成された垂直板を秤に付着させて、濡れによる力は前記垂直板が成膜組成物に下る時、デジタル張力計を使用して測定した。すなわち、下にインク組成物を入れる容器があり、上から水平でループタイプの白金垂直板がゆっくり下って二つの界面の間で形成される濡れによる力で前記表面エネルギーを測定する。
実施例及び比較例で製造した3Dプリンティング用組成物に対する表面エネルギーは、ベンチトップ型分析器(Drop Shape Analyzer、KRUSS社のDSA100製品)を使用して測定した。前記3Dプリンティング用組成物をSiNx基板に約50μmの厚さと4cm2のコーティング面積(横:2cm、縦:2cm)で塗布した後(スピンコーター)、実施例及び比較例で前述した方式で磁場を印加して硬化させる。硬化後の前記膜に、表面張力(surface tension)が公知されている脱イオン化水を落としてその接触角を求める過程を5回繰り返して、得られた5個の接触角数値の平均値を求めて、同様に、表面張力が公知されているジヨードメタン(diiodomethane)を落としてその接触角を求める過程を5回繰り返して、得られた5個の接触角数値の平均値を求める。その後、求められた脱イオン化水とジヨードメタンに対する接触角の平均値を利用してOwens−Wendt−Rabel−Kaelble方法により溶媒の表面張力に関する数値(Strom値)を代入して表面エネルギーを求めた。
実施例及び比較例で製造した3Dプリンティング用組成物を、図1に示したように、横長a1、縦長b1及び高さc1のサイズで1次パターンを積層し、外部交流磁場発生装置で100Aの電流値及び385kHzの条件で1分間磁場を印加して硬化させた。同一な方式で、横長a2、縦長b2及び高さc2のサイズで2次パターンを積層して硬化させた。また、同一な方式で、横長a3、縦長b3及び高さc3のサイズで3次パターンを積層して硬化させた。
Claims (21)
- 熱硬化性化合物、前記熱硬化性化合物100重量部に対して1重量部〜40重量部の熱可塑性樹脂及び磁性体粒子を含む、3Dプリンティング用組成物。
- 硬化前の表面エネルギーが20mN/m〜50mN/mの範囲内である、請求項1に記載の3Dプリンティング用組成物。
- 磁性体粒子は、2以上の磁区を有し、外部磁場のないときは磁区が不規則に配列されて外部交流磁場により磁化される、請求項1または2に記載の3Dプリンティング用組成物。
- 磁性体粒子は、保磁力が1〜200kOeの範囲内にある、請求項1から3のいずれか一項に記載の3Dプリンティング用組成物。
- 磁性体粒子は、25℃で飽和磁化値が20〜150emu/gの範囲内にある、請求項1から4のいずれか一項に記載の3Dプリンティング用組成物。
- 磁性体粒子の平均粒径は、20〜300nmの範囲内にある、請求項1から5のいずれか一項に記載の3Dプリンティング用組成物。
- 磁区の平均サイズは、10〜50nmの範囲内にある、請求項1から6のいずれか一項に記載の3Dプリンティング用組成物。
- 磁性体粒子は、金属酸化物、フェライトまたは合金粒子を含む、請求項1から7のいずれか一項に記載の3Dプリンティング用組成物。
- 磁性体粒子は、熱硬化性化合物100重量部に対して、0.01〜25重量部で含まれる、請求項1から8のいずれか一項に記載の3Dプリンティング用組成物。
- 磁性体粒子は、磁性体クラスタを形成する、請求項1から9のいずれか一項に記載の3Dプリンティング用組成物。
- 磁性体粒子は、磁性転換によって振動する、請求項1から10のいずれか一項に記載の3Dプリンティング用組成物。
- 熱硬化性化合物は、少なくとも一つ以上の熱硬化性官能基を含む、請求項1から11のいずれか一項に記載の3Dプリンティング用組成物。
- 熱硬化性官能基は、エポキシ基、グリシジル基、イソシアネート基、ヒドロキシ基、カルボキシル基またはアミド基を含む、請求項12に記載の3Dプリンティング用組成物。
- 熱可塑性樹脂は、アクリル樹脂、シリコン樹脂、フッ素樹脂、スチレン樹脂、ポリオレフイン樹脂、熱可塑性エラストマー、ポリオキシアルキレン樹脂、ポリエステル樹脂、ポリ塩化ビニル樹脂、ポリカーボネート樹脂、ポリフェニレンサルファイド樹脂、ポリウレタン、セルロース樹脂、ポリアセタール樹脂、メラミン樹脂、ポリウレタン樹脂、またはポリアミド樹脂を含む、請求項1に記載の3Dプリンティング用組成物。
- 熱可塑性樹脂は、硬化前のガラス転移温度が40℃〜150℃の範囲内である、請求項1に記載の3Dプリンティング用組成物。
- 熱硬化剤をさらに含む、請求項1に記載の3Dプリンティング用組成物。
- 請求項1に記載の3Dプリンティング用組成物を塗布して立体形象を形成する段階を含む、3Dプリンティング方法。
- 塗布された組成物に磁場を印加する段階をさらに含む、請求項17に記載の3Dプリンティング方法。
- 磁場を印加する段階は、100kHz〜1GHzの周波数で50A〜500Aの電流で20秒〜60分間磁場をかける、請求項18に記載の3Dプリンティング方法。
- 磁場を印加する段階は、少なくとも2段階以上のマルチプロファイル方式を含む、請求項18に記載の3Dプリンティング方法。
- 請求項1に記載の3Dプリンティング用組成物の硬化物を含む、立体形象。
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KR102126705B1 (ko) | 2020-06-25 |
EP3412715B1 (en) | 2023-05-24 |
EP3412715A1 (en) | 2018-12-12 |
WO2017135576A1 (ko) | 2017-08-10 |
CN108699281B (zh) | 2021-07-16 |
KR20190132337A (ko) | 2019-11-27 |
CN108699281A (zh) | 2018-10-23 |
KR20170093696A (ko) | 2017-08-16 |
KR102049529B1 (ko) | 2019-11-28 |
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