JP2017523252A - 3次元印刷のためのインク組成物及び前記インク組成物を使用してオブジェクトを形成する方法 - Google Patents
3次元印刷のためのインク組成物及び前記インク組成物を使用してオブジェクトを形成する方法 Download PDFInfo
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Abstract
Description
本願は、2014年5月15日に出願された米国仮特許出願第61/993,360号、2015年4月7日に出願された米国仮特許出願第62/143,951号、及び2014年10月15日に出願された米国仮特許出願第62/064,338号の優先権を主張し、それらの全内容を、引用により本明細書に援用する。
これは1または2種以上のさらなる有機溶媒と組み合わせて使用できる。インク組成物の押出時に、非常に高い揮発性の溶媒であるDCMは、非常に急速に蒸発して、固体の連続繊維を残すため、DCMの使用は有利である。クロロホルムは、好適な主有機溶媒の別の例である。主溶媒は、溶媒系で過半数を占める溶媒である。すなわち、主溶媒は、溶媒系中の溶媒の量(体積%)の少なくとも50%を占める。幾つかの実施形態において、溶媒系の少なくとも70体積%を主有機溶媒が占める。これは、主有機溶媒が溶媒系の少なくとも90体積%を占める実施形態を包含する。
多種多様なインク組成物を例示する代表例としては、(A)図7A、7B及び7Cに示されているように、NiO、Fe2O3+NiO、及びCuOを70体積%含むインク組成物から印刷された様々な円筒体とタコのモデル;(B)図8に示されているように、複合セラミックFe2O3ドープYSZ(薄灰色)、YSZ+NiO(濃灰色)、及びLSM(黒色)を70体積%含むインク組成物から印刷された円筒体及びシート;(C)印刷時にCuSO4を60体積%含むインク組成物から印刷された円筒体及びシート、CuSO4材料は灰色/緑色(図9)であるが、いったん湿気に曝されるとCuイオンが放出されるために鮮やかな青色(挿入図)になる;(D)金属粒子、(左側)鉄及び(右側)ニッケル、を70体積%含むインク組成物から印刷された円筒体(図10);(E)グラフェンを60体積%含むインク組成物から印刷された直径1.5インチの頭蓋骨であって、顎及び頭蓋底を別々に印刷し、次に、接着剤として当該グラフェンに基づくインク組成物を使用して顎を頭蓋底に融合させることにより形成された頭蓋骨(図11);(F)カーボンナノチューブを60体積%含むインク組成物から印刷されたシート(図12);(G)35,35体積%HA−グラフェン混合物を含むインク組成物から印刷された小さなシート、大きなシート及び円筒体(図13);(H)月面土壌模擬物質を80体積%含むインク組成物から印刷された円筒体(図14);(I)バイオセラミックHAを75体積%含むインク組成物から印刷された人工脊椎の一部(図15);(J)珪藻骨格粒子を80体積%含むインク組成物から印刷された多層シート(図16);(K)花粉粒子を70体積%含むインク組成物から印刷されたシート(図17);(M)75体積%のHAと5体積%のバンコマイシン抗生物質粉末の混合物を含むインク組成物から印刷された多層シート(図18);及び(N)HAと骨細胞外マトリックスの混合物を含むインク組成物から3D印刷されている過程における多層シート(図19)が挙げられる。図20は、図19の多層シートの一部分のSEM画像を示す。図21は、骨ECMを60体積%含むインク組成物から印刷された骨由来ECM繊維のSEM画像を示す。
Claims (30)
- インク組成物であって、
少なくとも約50体積%のジクロロメタン、クロロホルムまたはそれらの混合物と、23℃で、ジクロロメタン、クロロホルムまたはそれらの混合物よりも低い蒸気圧を有する少なくとも1種のさらなる有機溶媒とを含む溶媒系;
23℃で前記溶媒系に可溶性であるポリエステルポリマー;及び
23℃で前記溶媒系に不溶性である固体粒子;
を含み、
前記インク組成物は、その固形分に基づいて少なくとも約50体積%の固体粒子を含む、インク組成物。 - 前記溶媒系は、ジクロロメタンを含む、請求項1に記載の組成物。
- 少なくとも2つの異なるタイプの粒子を含み、前記異なるタイプの粒子が異なる材料を含む、請求項1に記載の組成物。
- 前記固体粒子は、有機材料を含む粒子と、無機材料を含む粒子とを含む、請求項3に記載の組成物。
- 前記異なるタイプの粒子は、以下の粒子タイプ:
金属酸化物粒子、非金属元素の酸化物の粒子、金属粒子、金属合金粒子、ポリマー粒子、バイオセラミック粒子、カーボン粒子、塩粒子、生物源に由来する粒子、及び天然土壌粒子、
のうちの少なくとも2つから選択された粒子を含む、請求項3に記載の組成物。 - 少なくとも2つの異なるタイプの粒子を含み、前記少なくとも2つの異なるタイプの粒子のうちの1つの平均最小寸法が1000nm未満であり、前記少なくとも2つの異なるタイプの粒子の他方の平均最小寸法が1000nmを超える、請求項1に記載の組成物。
- 少なくとも2つの異なるタイプの粒子を含み、前記少なくとも2つの異なるタイプの粒子は、円筒状、実質的に球状、及び板状から独立に選ばれる2つの異なる形状を有する、請求項1に記載の組成物。
- 前記固体粒子は、金属酸化物粒子を含む、請求項1に記載の組成物。
- 前記固体粒子は、金属粒子を含む、請求項1に記載の組成物。
- 前記固体粒子は、バイオセラミック粒子を含む、請求項1に記載の組成物。
- 前記固体粒子は、グラフェン粒子を含む、請求項1に記載の組成物。
- 前記固体粒子は、惑星土壌粒子を含む、請求項1に記載の組成物。
- 前記インク組成物は、その固形分に基づいて少なくとも約70体積%の固体粒子を含む、請求項1に記載の組成物。
- 前記溶媒系が、少なくとも2種のさらなる有機溶媒を含み、それらの有機溶媒のうちの1種が有機界面活性剤であり、他方が可塑剤である、請求項2に記載の組成物。
- 前記2種のさらなる有機溶媒が2−ブトキシエタノール及びジブチルフタレートである、請求項14に記載の組成物。
- 前記ポリエステルポリマーは、ポリ乳酸−co−グリコール酸を含む、請求項15に記載の組成物。
- 前記ポリエステルポリマーは、ポリ乳酸−co−グリコール酸を含む、請求項1に記載の組成物。
- 前記ポリエステルポリマーは、ポリカプロラクトンを含む、請求項1に記載の組成物。
- 前記ポリエステルポリマーは、ポリ乳酸を含む、請求項1に記載の組成物。
- 前記ポリエステルポリマーは、グリコール酸を含む、請求項1に記載の組成物。
- 3次元印刷オブジェクトを形成する方法であって、
(a)ノズルを通してインク組成物を押出して印刷層を形成する工程であって、前記インク組成物は、23℃及び大気圧で20〜60kPaの範囲内の蒸気圧を有する主有機溶媒を少なくとも約50体積%と、23℃及び大気圧で前記主有機溶媒よりも低い蒸気圧を有する少なくとも1種のさらなる有機溶媒とを含む溶媒系;
23℃で前記溶媒系に可溶性であるポリエステルポリマー;及び
23℃で前記溶媒系に不溶性である固体粒子;
を含み、前記インク組成物は、その固形分に基づいて少なくとも約50体積%の固体粒子を含む;
(b)工程(a)を繰り返して、多数の垂直に積み重なった印刷層を含む印刷オブジェクトを形成する工程;
を含む、3次元印刷オブジェクトを形成する方法。 - 前記主有機溶媒がジクロロメタンである、請求項21に記載の方法。
- 工程(a)を少なくとも9回繰り返して少なくとも10個の垂直に積み重なった印刷層を含む印刷オブジェクトを形成する、請求項21に記載の方法。
- 前記印刷オブジェクトのアーキテクチャーは、1つまたは複数のコンピュータ支援設計図面によって規定される、請求項23に記載の方法。
- 前記印刷オブジェクトは、少なくとも10:1のアスペクト比を有する、請求項21に記載の方法。
- 前記印刷オブジェクトが少なくとも1つの中空部を有するように前記印刷層の少なくとも一つが開放空間上に印刷される、請求項21に記載の方法。
- 前記押出は室温で実施される、請求項21に記載の方法。
- 前記エラストマーポリマーは、ポリエステルポリマーを含む、請求項21に記載の方法。
- 前記印刷層及び前記印刷オブジェクトは、変形することなく印刷の3秒以内に取り扱うことができる、請求項21に記載の方法。
- マルチパートの3次元印刷オブジェクトを形成する方法であって、
(a)請求項18に記載の方法を使用して第1の3次元印刷オブジェクトを形成する工程;
(b)請求項18に記載の方法を使用して第2の3次元印刷オブジェクトを形成する工程;
(c)第1または第2の3次元印刷オブジェクトを製造するのに使用したインク組成物を、第1または第2の3次元印刷オブジェクトの少なくとも1つの表面に適用する工程;
(d)適用されたインク組成物に第1または第2の3次元印刷オブジェクトの他方を接触させる工程;及び
(e)溶媒系中の溶媒を蒸発させて、第2の3次元印刷オブジェクトに結合した第1の3次元印刷オブジェクトを含むマルチパートの3次元オブジェクトを形成する工程;
を含む、マルチパートの3次元印刷オブジェクトを形成する方法。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201461993360P | 2014-05-15 | 2014-05-15 | |
US61/993,360 | 2014-05-15 | ||
US201462064338P | 2014-10-15 | 2014-10-15 | |
US62/064,338 | 2014-10-15 | ||
US201562143951P | 2015-04-07 | 2015-04-07 | |
US62/143,951 | 2015-04-07 | ||
PCT/US2015/030972 WO2015175880A1 (en) | 2014-05-15 | 2015-05-15 | Ink compositions for three-dimensional printing and methods of forming objects using the ink compositions |
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JP2017523252A true JP2017523252A (ja) | 2017-08-17 |
JP6542807B2 JP6542807B2 (ja) | 2019-07-10 |
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US (3) | US10584254B2 (ja) |
EP (2) | EP3778790A1 (ja) |
JP (1) | JP6542807B2 (ja) |
AU (1) | AU2015258978B2 (ja) |
CA (1) | CA2950890C (ja) |
DK (1) | DK3143090T3 (ja) |
ES (1) | ES2831327T3 (ja) |
WO (1) | WO2015175880A1 (ja) |
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