JP2019531207A - 多光子光重合プロセスによる3次元物体の製造方法とその関連装置 - Google Patents
多光子光重合プロセスによる3次元物体の製造方法とその関連装置 Download PDFInfo
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Abstract
Description
Andre J.C., Malaquin L., Guedon E. (2017) “Bio-printing; ou va-t-on?” [Bio-printing; where are we heading?], Techniques de l’Ingenieur - ref. RE268 V1, 23pp. (2017).
Chua C.K., Yeong N.Y. (2015) “Bio-printing: principles and applications” e-book World Scientific Ed. - Singapore.
Morimoto Y., Takeuchi S. (2013) “3D cell culture based on microfluidic technique to mimic living tissues” Biomatter. Sci., 1, 257-264.
重合容器内に組成物を仕込む工程aと、
3次元物体を製造するために、あらかじめ決定された位置において、多光子光重合によって前記組成物を重合する工程bとを有し、
前記組成物は、少なくとも1つのモノマー、少なくとも1つのフィラー、および少なくとも1つの光開始剤を含む3次元物体の製造方法において、
前記モノマーと前記フィラーとの屈折率差が0.05未満であり、
前記組成物の粘度が0.05Pa・s以上であり、
前記組成物は、光重合の波長に対して透明であることを特徴とする3次元物体の製造方法を提供する。
前記組成物は0.30Pa・s以上の粘度を有する;
前記フィラーは透明粒子を含む;
前記組成物は体積比率で10〜70%の透明粒子を含む;
前記透明粒子は球状である;
前記透明粒子は、シリカまたはガラス、特にホウケイ酸ガラスまたはソーダライムガラスからなる;
前記透明粒子は、有機材料、特に樹脂中に溶解しないポリマーからなる;
前記フィラーは、前記組成物中に溶解する少なくとも1つの成分を含む;
前記組成物は、L−乳酸、グリコール酸、およびカプロラクトンから、単独でまたは混合物として選択されるモノマーと、生細胞を含むフィラーと、コラーゲン、ゼラチン、フィブリン、アルギン酸(塩)、キチン、キトサン、ヒアルロン酸、ポリメタクリル酸2−ヒドロキシエチル(PHEMA)、ポリビニルアルコール(PVA)、およびポリエチレングリコール(PEG)から、単独でまたは混合物として選択されるハイドロゲルとを含む;
前記モノマーがアクリルモノマーである;
前記アクリルモノマーは、ポリエチレングリコールジアクリレート、トリエチレングリコールジメタクリレート、ペンタエリスリトールテトラアクリレート、および1,6−ヘキサンジオールジアクリレートからなる群から選択される1種又は複数種の組合せである;
前記光開始剤は、芳香族ケトン、芳香族誘導体、エオシン Y、および他のキサンテン染料からなる群から選択される1種又は複数種である;
前記組成物は、少なくとも1つのエポキシモノマーを含む;
前記光開始剤はオニウム塩である;
前記多光子光重合はレーザビームを用いて実行され、前記レーザビームにおける重合空間分解能が、光拡散体を配置することによって、特に1〜20°に適合される;
前記3次元物体は外表面と内部ボリュームとを含み、前記内部ボリューム内に定位される位置は、前記3次元物体の前記外表面を形成する位置よりも低い分解能で重合される;
前記3次元物体の複数の種々の部分は、それぞれがあらかじめ決定されたボクセルのサイズまたは機能を得ることを可能とする特定の組成物を含む複数の種々の容器内で逐次重合される;
前記内部ボリュームは、第1のボクセルのサイズを得ることを可能とする透明粒子の形態の第1のフィラーを含む第1の組成物を含む第1の容器内で重合され、前記物体の前記外表面は、前記第1のボクセルのサイズより小さい第2のボクセルのサイズを得ることを可能とする透明粒子の形態の第2のフィラーを含む、またはフィラーを含まない第2の組成物を含む第2の容器内で重合される。
多光子、特に2光子の光重合による3次元物体の製造装置であって、
レーザビームを出射するレーザと、
上記のような組成物を含む重合容器と、
前記レーザビームを集束させてその開口数を適合させるデバイスと、
前記3次元物体を製造するために、あらかじめ決定された位置において前記組成物を重合するよう、前記重合容器内に前記レーザビームを集束させることを可能とする移動ユニットと、
重合分解能を適合させるために、前記レーザビームの光路上または光路外に配置されるよう、支持要素上に移動可能に取り付けられた少なくとも1つの拡散体を含む重合分解能の適合器とを含む、3次元物体の製造装置に関する。
i、j、mは整数であり、mは組成物11を構成する成分Ciの数である。
本発明に係る組成物の実施例
組成物1
組成物3
n = n1・α + n2・(1−α)
n1は化合物1の屈折率、n2は化合物2の屈折率、αは組成物11中の化合物1の重量分率である。
実施例2(可変ボクセル)
Claims (19)
- 重合容器(9)内に組成物(11)を仕込む工程aと、
3次元物体(3)を製造するために、あらかじめ決定された位置において、多光子光重合によって前記組成物(11)を重合する工程bとを有し、
前記組成物(11)は、少なくとも1つのモノマー(12)、少なくとも1つのフィラー(20)、および少なくとも1つの光開始剤を含む3次元物体の製造方法において、
前記モノマー(12)と前記フィラー(20)との屈折率差が0.05未満であり、
前記組成物(11)の粘度が0.05Pa・s以上であり、
前記組成物(11)は、光重合の波長に対して透明であることを特徴とする、3次元物体の製造方法。 - 前記組成物(11)は0.30Pa・s以上の粘度を有する、請求項1に記載の製造方法。
- 前記フィラー(20)は透明粒子を含む、請求項1または2に記載の製造方法。
- 前記組成物(11)は体積比率で10〜70%の透明粒子を含む、請求項3に記載の製造方法。
- 前記透明粒子は球状である、請求項3または4に記載の製造方法。
- 前記透明粒子は、シリカまたはガラス、特にホウケイ酸ガラスまたはソーダライムガラスからなる、請求項3〜5のいずれか1項に記載の製造方法。
- 前記透明粒子は、有機材料、特に樹脂中に溶解しないポリマーからなる、請求項3〜5のいずれか1項に記載の製造方法。
- 前記フィラー(20)は、前記組成物(11)中に溶解する少なくとも1つの成分を含む、請求項1〜7のいずれか1項に記載の製造方法。
- 前記組成物(11)は、
L−乳酸、グリコール酸、およびカプロラクトンから、単独でまたは混合物として選択されるモノマーと、
生細胞を含むフィラー(20)と、
コラーゲン、ゼラチン、フィブリン、アルギン酸(塩)、キチン、キトサン、ヒアルロン酸、ポリメタクリル酸2−ヒドロキシエチル(PHEMA)、ポリビニルアルコール(PVA)、およびポリエチレングリコール(PEG)から、単独でまたは混合物として選択されるハイドロゲルとを含む、請求項1〜8のいずれか1項に記載の製造方法。 - 前記モノマーがアクリルモノマーである、請求項1〜8のいずれか1項に記載の製造方法。
- 前記アクリルモノマーは、ポリエチレングリコールジアクリレート、トリエチレングリコールジメタクリレート、ペンタエリスリトールテトラアクリレート、および1,6−ヘキサンジオールジアクリレートからなる群から選択される1種又は複数種の組合せである、請求項10に記載の製造方法。
- 前記光開始剤は、芳香族ケトン、芳香族誘導体、エオシン Y、および他のキサンテン染料からなる群から選択される1種又は複数種であることを特徴とする、請求項10または11に記載の製造方法。
- 前記組成物(11)は、少なくとも1つのエポキシモノマーを含む、請求項1〜8、10〜12のいずれか1項に記載の製造方法。
- 前記光開始剤はオニウム塩である、請求項13に記載の製造方法。
- 前記多光子光重合はレーザビームを用いて実行され、
前記レーザビームにおける重合空間分解能が、光拡散体(14)を配置することによって、特に1〜20°に適合されることを特徴とする、請求項1〜14のいずれか1項に記載の製造方法。 - 前記3次元物体(3)は外表面と内部ボリュームとを含み、前記内部ボリューム内に定位される位置は、前記3次元物体(3)の前記外表面を形成する位置よりも低い分解能で重合されることを特徴とする、請求項3〜15のいずれか1項に記載の製造方法。
- 前記3次元物体(3)の複数の種々の部分は、それぞれがあらかじめ決定されたボクセルのサイズまたは機能を得ることを可能とする特定の組成物(11)を含む複数の種々の容器(9)内で逐次重合されることを特徴とする、請求項16に記載の製造方法。
- 前記内部ボリュームは、第1のボクセルのサイズを得ることを可能とする透明粒子の形態の第1のフィラー(20)を含む第1の組成物(11)を含む第1の容器(9)内で重合され、
前記物体(3)の前記外表面は、前記第1のボクセルのサイズより小さい第2のボクセルのサイズを得ることを可能とする透明粒子の形態の第2のフィラー(20)を含む、またはフィラーを含まない第2の組成物(11)を含む第2の容器(9)内で重合されることを特徴とする、請求項3〜17のいずれか1項に記載の製造方法。 - 多光子、特に2光子の光重合による3次元物体の製造装置であって、
レーザビーム(7)を出射するレーザ(5)と、
少なくとも1つのモノマー(12)、少なくとも1つのフィラー(20)、および少なくとも1つの光開始剤を含み、前記モノマー(12)と前記フィラー(20)との屈折率差が0.05未満であり、粘度が0.05Pa・s以上であり、光重合の波長に対して透明である組成物(11)を含む重合容器(9)と、
前記レーザビームを集束させてその開口数(7)を適合させるデバイス(13)と、
前記3次元物体(3)を製造するために、あらかじめ決定された位置において前記組成物(11)を重合するよう、前記重合容器(9)内に前記レーザビーム(7)を集束させることを可能とする移動ユニット(16)と、
重合分解能を適合させるために、前記レーザビーム(7)の光路上または光路外に配置されるよう、支持要素(15)上に移動可能に取り付けられた少なくとも1つの拡散体(14)を含む重合分解能の適合器とを含む、3次元物体の製造装置。
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FR3079517B1 (fr) * | 2018-03-28 | 2021-01-01 | Ecole Centrale Marseille | Procede pour la realisation d’un objet tridimensionnel par un processus de photo-polymerisation multi-photonique et dispositif associe |
FR3093332B1 (fr) | 2019-03-01 | 2021-10-08 | Univ De Lorraine | Dispositif d’impression en trois dimensions d’un objet en verre de petite taille |
DE102019121106A1 (de) * | 2019-05-23 | 2020-11-26 | Multiphoton Optics Gmbh | Verfahren und Vorrichtung zum Erzeugen einer dreidimensionalen Struktur mit wenigstens einem flächigen Teilbereich |
FR3099479B1 (fr) * | 2019-07-30 | 2021-07-02 | Centre Nat Rech Scient | Procédé de fabrication d’un objet tridimensionnel, ou de modification de l’état de surface d’un objet préformé, par photo-polymérisation |
WO2021023452A1 (en) * | 2019-08-06 | 2021-02-11 | Ecole Polytechnique Federale De Lausanne (Epfl) | Method and apparatus for volumetric additive manufacturing of cell-loaded resins |
LU101722B1 (en) * | 2020-03-31 | 2021-09-30 | Univ Hamburg | Step-wise formation of a three-dimensional structure employing different resolutions |
LU101723B1 (en) * | 2020-03-31 | 2021-09-30 | Univ Hamburg | Microchannel sensor and method of manufacturing the same |
FR3119562A1 (fr) * | 2021-02-09 | 2022-08-12 | Universite Claude Bernard Lyon 1 | Procédé d'impression d'un objet à imprimer, et imprimante adaptée pour la mise en oeuvre du procédé. |
WO2023215638A1 (en) * | 2022-05-06 | 2023-11-09 | The Regents Of The University Of California | Sinter-free low-temperature 3d-printing of nanoscale optical grade fused silica glass |
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