JP2006524566A - 超臨界圧流体への水溶性又は親水性物質の分散方法 - Google Patents
超臨界圧流体への水溶性又は親水性物質の分散方法 Download PDFInfo
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Abstract
Description
オッテウィル(R. H. Ottewill)著、「ジャーナル・オブ・コロイド・アンド・インターフェイス・サイエンス(Journal of Colloid & Interface Science)」、第58巻第2号(1997年2月)、357〜373頁 オーバーヴェーク(J. Th. G. Overbeek)著、「ジャーナル・オブ・コロイド・アンド・インターフェイス・サイエンス(Journal of Colloid & Interface Science)」、第58巻第2号(1997年2月)、408〜422頁
ヘラー(W. Heller)及びプフ(T. L. Pugh)共著、「ジャーナル・オブ・ケミカル・フィジクス(Journal of Chemical Physics)、第22巻(1954年)、1778頁 ナッパー(D. H. Napper)著、「ジャーナル・オブ・コロイド・アンド・インターフェイス・サイエンス(Journal of Colloid & Interface Science)」、第58巻第2号(1997年2月)、390〜407頁 ドロツゥィスキー(A. Doroszwski)及びランブーン(R. Lambourne)共著、「ジャーナル・オブ・コロイド・アンド・インターフェイス・サイエンス(Journal of Colloid & Interface Science)」、第43巻(1973年)、第97頁 サトー(T. Sato)著、「ジャーナル・オブ・コーティングス・テクノロジー(Journal of Coatings Technology)」、第65巻第825号(1993年)、113〜121頁
コンサーニ他(Consani et al.)共著、「超臨界流体(Supercritical Fluids)」、第3版(1990年)、51〜65頁 キルビー/マックヒュー(Kirby C. F. and McHugh)共著、「ケミカル・レビュー(Chemical Review)」、第99巻(1999年)、565〜602頁 ニューマン他(Newman D. A. et al.)共著、「ジャーナル・オブ・スーパークリティカル・フルード(Journal of Supercritical Fluids)」第6巻(1993年)、205〜210頁 ヘフリンク他(Hoefling et al.)共著、「ジャーナル・オブ・スーパークリティカル・フルード(Journal of Supercritical Fluids)」第6巻(1993年)、164〜171頁 サルブ他(Sarbu et al.)著、「ネイチャー(Nature)」、第405号(2000年)、165〜167頁
ヘフリンク他(Hoefling T. A. et al.)共著、「ジャーナル・オブ・フィジカル・ケミストリー(Journal of Physical Chemistry)」、第95巻(1991年)、7127〜7129頁
カルボ他(L. Calvo et al.)、「ジャーナル・オブ・スーパークリティカル・フルード(Journal of Supercritical Fluids)」、第16巻(2000年)、247〜260頁
親水性基 / 親CO2性基 / 親水性基 (1)
親CO2性基 / 親水性基 / 親CO2性基 (2)
(但し、式中の親水性基又は親CO2 性基はそれぞれ同一でも異なっていても良い。)
に相当する。
TFT:使用量=40.0g(蒸留品)
AIBN:使用量=4.9mg
テロゲン(I):使用量=3.3194g
温度=65℃
t0+21h 50:反応の停止
Claims (28)
- 水溶性又は親水性の物質を界面活性剤の添加によって超臨界圧下にある流体に分散させる方法であって、前記界面活性剤が少なくとも一つの親CO2性ブロック並びに少なくとも一つの非イオン性親水性ブロックを含むブロック共重合体であることを特徴とする水溶性又は親水性物質の分散方法。
- 超臨界圧下にある流体がCO2であることを特徴とする請求項1に記載の方法。
- 超臨界圧下にある流体が5%未満の量の添加溶剤を含むCO2であることを特徴とする請求項1に記載の方法。
- 親CO2ブロックが超臨界圧下のCO2に可溶であるポリマーから成る群から選ばれていることを特徴とする請求項1に記載の方法。
- ブロック共重合体が超臨界CO2に可溶の共重合体であることを特徴とする請求項1〜4のいずれか1項に記載の方法。
- 前記ブロック共重合体の最小溶解度が、0℃〜100℃、好ましくは15℃〜60℃の範囲内の少なくとも一つの特定温度及び好ましくは70MPa未満、特に好ましくは30MPa未満で、且つCO2の臨界圧よりも高い少なくとも一つの特定圧力において、0.05%w/w、好ましくは0.2%w/wであることを特徴とする請求項5に記載の方法。
- 前記ブロック共重合体の数平均分子量が1,000〜200,000g/mol、好ましくは4,000〜50,000g/molの範囲から選ばれていることを特徴とする請求項1〜6のいずれか1項に記載の方法。
- 親水性ブロックの数平均分子量が500〜20,000g/mol、好ましくは1,000〜10,000g/molの範囲内であることを特徴とする請求項7に記載の方法。
- 親CO2ブロックの親水性ブロックに対する重量比が1〜50、好ましくは1〜20であることを特徴とする請求項1〜8のいずれか1項に記載の方法。
- 前記ブロック共重合体の親CO2ブロックがフッ素系ポリマー類及びポリ(シロキサン)類から成る群から選ばれたものであることを特徴とする請求項1〜9のいずれか1項に記載の方法。
- 前記フッ素系ポリマー類がポリ(フルオロエーテル)類、ポリ(アクリル酸フルオロアルキル)類、及びポリ(メタクリル酸フルオロアルキル)類から成る群から選ばれたものであることを特徴とする請求項10に記載の方法。
- 前記ポリ(アクリル酸フルオロアルキル)類がポリ(アクリル酸1,1-ジヒドロパーフルオロオクチル)及びポリ(アクリル酸1,1,2,2-テトラヒドロパーフルオロデシル)であることを特徴とする請求項11に記載の方法。
- 非イオン性親水性ブロックが生体適合性を有する親水性ポリマーから選ばれたものであることを特徴とする請求項1に記載の方法。
- 前記生体適合性を有する親水性ポリマーが、多糖類、親水性セルロースポリマー類、ポリ(ビニルアルコール)、及びエチレンオキシドのホモポリマー及び共重合体から成る群から選ばれたものであることを特徴とする請求項13に記載の方法。
- 親水性ブロックがポリ(エチレンオキシド)であることを特徴とする請求項14に記載の方法。
- 前記ブロック共重合体が、一つのポリ(アクリル酸1,1,2,2-テトラヒドロパーフルオロデシル)ブロックと一つのポリ(エチレンオキシド)ブロックから構成されたブロック共重合体かPEO-b-PFDA型のブロック共重合体であること、又は前記ブロック共重合体がPFDA-b-PEO-b-PFDA型の3ブロック共重合体及びPEO−b−PFDA−b−PEO型の3ブロック共重合体から成る群から選ばれたものであることを特徴とする請求項1〜15のいずれか1項に記載の方法。
- 請求項1〜16のいずれか1項に記載の方法によって実行される分散工程を含むことを特徴とする活性成分のカプセル化方法。
- 水溶性又は親水性物質が、(i)医薬、特に鎮痛剤、解熱剤、アスピリン及びその誘導体、抗生物質、抗炎症薬、抗潰瘍薬、抗高血圧薬、神経弛緩剤、抗うつ剤、治療活性を示すオリゴヌクレオチド、治療活性を示すペプチド、及び治療活性を示す蛋白質、(ii)化粧品、特に人工日焼け剤及び紫外線日焼け防止剤、及び(iii)ビタミン類等の栄養食品、から成る群から選ばれた活性成分を含むことを特徴とする請求項1に記載の方法。
- 治療活性を有する蛋白質又はペプチドが、副甲状腺ホルモン、成長ホルモン、α-、β-又はγ-インターフェロン、α-又はβ-エリスロポイエチン(EPO)、顆粒球コロニー刺激因子(GCSF)、顆粒球マクロファージコロニー刺激因子(GMCSF)、血管作用性腸ポリペプチド(VIP)、甲状腺刺激ホルモン放出ホルモン(TRH)、アルギニンバソプレシン(AVP)、アンギオテンシン、インスリン、ソマトトロピン、組織プラスミノゲン賦活剤、凝固因子VIII及びIX、グルコシルセラミダーゼ、レノグラスティム、モルグラモスティム、フィルグラスティム、インターロイキン類、ドルナーゼ・アルファ、PEG-L-アスパラギナーゼ、PEG-アデノシンデアミナーゼ、ヒルジン、エプタコグ・アルファ、神経発育因子、黄体化ホルモン放出ホルモン(LHRH)、その誘導体及び類似体、ソマトスタチン及びその誘導体、トリプトレリン、ボンベシン、カルシトニン、ガストリン放出ポリペプチド、成長ホルモン放出因子及びアミリンに相当する蛋白質、から成る群から選ばれていることを特徴とする請求項18に記載の方法。
- 少なくとも一つの親CO2ブロック、及び少なくとも一つの生体適合性で非イオン性の親水性ブロックを含むことを特徴とするブロック共重合体。
- 2ブロック構成の共重合体及び3ブロック構成の共重合体のいずれかであることを特徴とする請求項20に記載のブロック共重合体。
- 3ブロック構成の共重合体が、下記の式(1)又は式(2)
親水性基 / 親CO2性基 / 親水性基 (1)
親CO2性基 / 親水性基 / 親CO2性基 (2)
(但し、式中の親水性基又は親CO2 性基はそれぞれ同一でも異なっていても良い。)
に相当することを特徴とする請求項20に記載のブロック共重合体。 - 親CO2 ブロックがフッ素系ポリマー及びポリ(シロキサン)から成る群から選ばれたものであることを特徴とする請求項20に記載のブロック共重合体。
- フッ素系ポリマーが、ポリ(フルオロエーテル)類、ポリ(メタクリル酸フルオロアルキル)類、及びポリ(アクリル酸フルオロアルキル)類から成る群から選ばれたものであることを特徴とする請求項23に記載のブロック共重合体。
- ポリ(アクリル酸フルオロアルキル)類が、ポリ(アクリル酸1,1-ジヒドロパーフルオロオクチル)、更に特別には、ポリ(アクリル酸1,1,2,2-テトラヒドロパーフルオロデシル)であることを特徴とする請求項24に記載のブロック共重合体。
- 生体適合性で非イオン性の親水性ブロックが、多糖類、親水性セルロースポリマー、ポリ(ビニルアルコール)、ポリオール類、及びエチレンオキシドのホモポリマー及び共重合物から成る群から選ばれたものであることを特徴とする請求項20に記載のブロック共重合体。
- 親水性ブロックがポリ(エチレンオキシド)であることを特徴とする請求項26に記載のブロック共重合体。
- 一つのポリ(アクリル酸1,1,2,2-テトラヒドロパーフルオロデシル)ブロックと一つのポリ(エチレンオキシド)ブロックから構成されたブロック共重合体かPEO-b-PFDA型のブロック共重合体であること、又はPFDA-b-PEO-b-PFDA型の3ブロック共重合体及びPEO−b−PFDA−b−PEO型の3ブロック共重合体から成る群から選ばれたものであることを特徴とする請求項27に記載のブロック共重合体。
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FR0305108A FR2854071B1 (fr) | 2003-04-25 | 2003-04-25 | Procede de dispersion de substances hydrosolubles ou hydrophiles dans un fluide a pression supercritique |
PCT/FR2004/000994 WO2004096173A2 (fr) | 2003-04-25 | 2004-04-23 | Procede de dispersion de substances hydrosolubles ou hydrophiles dans un fluide a pression supercritique |
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JP2009273978A (ja) * | 2008-05-13 | 2009-11-26 | Tokyo Institute Of Technology | 液体二酸化炭素の超微粒化方法および超微粒化システム |
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PL1617814T3 (pl) | 2008-10-31 |
CA2523374A1 (fr) | 2004-11-11 |
EP1617814A2 (fr) | 2006-01-25 |
FR2854071B1 (fr) | 2009-01-30 |
DE602004014124D1 (de) | 2008-07-10 |
ES2307027T3 (es) | 2008-11-16 |
WO2004096173A2 (fr) | 2004-11-11 |
US20090191135A1 (en) | 2009-07-30 |
US20060258798A1 (en) | 2006-11-16 |
PT1617814E (pt) | 2008-08-25 |
WO2004096173A3 (fr) | 2005-07-28 |
SI1617814T1 (sl) | 2008-08-31 |
EP1617814B1 (fr) | 2008-05-28 |
CN1780609A (zh) | 2006-05-31 |
FR2854071A1 (fr) | 2004-10-29 |
ATE396711T1 (de) | 2008-06-15 |
DK1617814T3 (da) | 2008-09-08 |
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