JP2005528193A - 熱可塑性エラストマーを主成分とする固形乳剤 - Google Patents
熱可塑性エラストマーを主成分とする固形乳剤 Download PDFInfo
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- JP2005528193A JP2005528193A JP2003584170A JP2003584170A JP2005528193A JP 2005528193 A JP2005528193 A JP 2005528193A JP 2003584170 A JP2003584170 A JP 2003584170A JP 2003584170 A JP2003584170 A JP 2003584170A JP 2005528193 A JP2005528193 A JP 2005528193A
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Abstract
さらに本発明は、上記新規固形乳剤の使用に関し、特に皮膚、傷又は粘膜と接触させる医療用途、皮膚への用途又は美容用途での使用を目的とする製品の製造のための使用に関する。
Description
・ブロック共重合体であるポリ(スチレン−オレフィン−スチレン)、ポリ(スチレン−オレフィン)及びその混合物から選択される熱可塑性エラストマー
・液体可塑剤から構成される油相
・水相、及び、
・2つの末端熱可塑性ポリ(スチレン)ブロックA及び1つの中央エラストマーブロックBからなる両親媒性ABA型ブロック共重合体であって、上記中央ブロックBはグラフト化された親水性基を含むポリ(エチレン−ブチレン)配列であり、上記両親媒性共重合体ABAは以下の式で概略的に表わすことができるもの:
を含有することを特徴とする固形乳剤に関する。
本発明の固形乳剤の製造において使用される両親媒性共重合体は2つの末端熱可塑性ポリ(スチレン)ブロックAと1つの中央エラストマーブロックBを有し、上記中央ブロックBはグラフト化された親水性基を含むポリ(エチレン−ブチレン)配列であり、上記両親媒性共重合体ABAは以下の式で概略的に表わすことができるABA型ブロック共重合体である。
HO−(CH2−CH2−O)n−H(式中、nは整数を表わす)。
CH3−O−(CH2−CH2−O) n−H(式中nは整数である)。また平均モル質量は、200〜20,000の範囲である。
・ポロクサマー124:a=12、b=20、平均モル質量は2,090〜2,360
・ポロクサマー188:a=80、b=27、平均モル質量は7,680〜9,510
・ポロクサマー407:a=101、b=56、平均モル質量は9,840〜14,600
マレイン酸変性SEBSを溶媒中、好ましくはトルエン中に、加熱下で攪拌を行ないながら溶解させる(約120度、溶媒の還流温度)。
a.2〜10重量部の、100,000ダルトン以上の平均モル質量を有する熱可塑性エラストマー、
b.30〜75重量部の液体可塑剤、
c.2〜50重量部の水、及び、
d.0.05〜5重量部の、2つの末端熱可塑性ポリ(スチレン)ブロックA及び1つの中央エラストマーブロックBからなる両親媒性ABA型ブロック共重合体であって、上記中央ブロックBはグラフト化された親水性基を含むポリ(エチレン−ブチレン)配列であり、上記両親媒性共重合体ABAは以下の式で概略的に表わすことができるもの:
であって、ゲル浸透クロマトグラフィーによって測定される平均モル質量が50,000ダルトンである両親媒性ABA型ブロック共重合体、
を含有する組成物である。
窒素下、150mlのトルエンを反応容器に入れる。20gのクレイトン(Kraton)G 1901(R)(マレイン酸変性SEBS共重合体、シェル(SHELL)社によって市販されているもの)を加える。マレイン酸変性SEBS共重合体が完全に溶解するまで攪拌下、熱を加えて還流させる(約110℃)。モル質量2,000のPEGME(ポリ(エチレングリコール)メチルエーテル2000という名称でアルドリッチ社によって市販されているもの)の溶液を別途調製する。次に32.32gのPEGME2000を、攪拌しながらその融解温度に加熱して100mlのトルエン中に溶解させる。前もって得たマレイン酸変性SEBS共重合体の溶液に約20滴の硫酸を加え、そのまま更に攪拌し還流させる。次に上記の通り調製したPEGME2000のトルエン溶液を加え、攪拌下還流させる。こうして、この場合には、各酸無水物基に対して4つのヒドロキシル基が存在していることになる。得られた混合物を、エステル化反応が完了するまで(即ちここでは約30〜40分)、還流下攪拌し続ける。次に温めた(約90〜100℃)1.5リットルの50/50水−エタノール混合物中で溶液から沈澱物を沈澱させる。ろ過した後、溶媒を蒸発させて得られる沈澱から、40〜50℃の真空オーブン中で残留溶媒を除去する。得られた両親媒性重合体を精製するために、合成中に反応しなかった余分なPEGME2000を除去することは不可欠である。このため、両親媒性重合体は攪拌しながら温トルエン(約90〜100℃)100〜150ml中で再溶解させ、得られた溶液から1.5リットルの50/50水−エタノール混合物中で再び沈殿物を沈澱させる。ろ過した後、回収された沈澱物を減圧下40〜50℃で乾燥させる。この精製ステップ(再溶解・沈澱及び減圧下での乾燥)は、PEGME2000が完全に除去されるまで繰り返される。このようにして得られる両親媒性共重合体はR1とR2がCH3−O−(CH2−CH2−O−)n基(n=45)で、ゲル浸透クロマトグラフィーによって測定される平均モル質量が50,000ダルトン程度である(ゲル浸透クロマトグラフィーは、スティラゲル(STYRAGEL) HR4の名称でウォーターズ(WATERS)社から市販されているカラムにおいて、テトラヒドロフランを溶媒として用い、1ml/分の流速で示差屈折率検出器を用いて行なったものである)。
本発明の数種の固形乳剤を次の製造方法に従って調製した。
・製造例I−両親媒性共重合体
・クレイトンD 1161(R)−シェル社によって市販されているSIS
・オンディーナ 15(R)−シェル社によって市販されている鉱油
・ジェムシール(GEMSEAL(R))60−トータル社(TOTAL)によって市販されている飽和炭化水素の液体混合物
・水
・アルニカエキス−親水性活性成分
・材料及び装置
強制振動を与えることのできるボーリン(BOHLIN)レオメーター(タイプCS)を使用した。テストは25℃で行なう。
試料を変形させるのに十分な強制振動を60秒間与える。
次にこの強制振動を取り除き、その結果得られる試料の減衰γ(百分率で表される)を120秒間測定する。
分析する試料(約1グラム)を、固定された下側の面と、上側の円錐(直径40mm、角度40度)の間に置く。
分析する試料(約1グラム)を、2つの平行なプレート(直径20mm、プレート間距離1mm)の間に載せる。載せた試料がプレートの外へと広がらないよう十分注意する。
Claims (15)
- ・ブロック共重合体であるポリ(スチレン−オレフィン−スチレン)、ポリ(スチレン−オレフィン)及びその混合物から選択される熱可塑性エラストマー
・液体可塑剤から構成される油相
・水相、及び、
・2つの末端熱可塑性ポリ(スチレン)ブロックA及び1つの中央エラストマーブロックBからなる両親媒性ABA型ブロック共重合体であって、前記中央ブロックBはグラフト化された親水性基を含むポリ(エチレン−ブチレン)配列であり、前記両親媒性共重合体ABAは以下の式で概略的に表わすことができるもの:
を含有することを特徴とする固形乳剤。 - 前記両親媒性共重合体はゲル浸透クロマトグラフィーによって測定される平均モル質量が約50,000ダルトン程度であることを特徴とする請求項2記載の固形乳剤。
- 固形乳剤の全重量に対して0.05〜20重量%の、好ましくは0.05〜5重量%の両親媒性共重合体を含有することを特徴とする請求項1〜3のいずれか一項に記載の固体乳剤。
- 油相を構成する液体可塑剤が油系可塑剤又は飽和炭化水素の混合液体であり、上記油系可塑剤又は飽和炭化水素の混合液体は熱可塑性エラストマーの中央オレフィンと相溶するものであり、好ましくは鉱油系可塑剤、特に液体パラフィンであることを特徴とする請求項1〜4のいずれか一項に記載の固形乳剤。
- 固形乳剤の全重量に対して25〜90重量%、好ましくは30〜75重量%の液体可塑剤を含むことを特徴とする請求項5記載の固形乳剤。
- 前記熱可塑性エラストマーがポリ(スチレン−オレフィン−スチレン)共重合体及びポリ(スチレン−オレフィン)共重合体の混合物であることを特徴とする請求項1から6のいずれか一項に記載の固形乳剤。
- 前記熱可塑性エラストマーのオレフィン配列が、イソプレン、ブタジエン、エチレン−ブチレン又はエチレン−プロピレンの配列から選択されるものであり、好ましくはイソプレン又はエチレン−ブチレン配列から選択されることを特徴とする請求項1〜7のいずれか一項に記載の固形乳剤。
- 固形乳剤の全重量に対して熱可塑性エラストマーが2〜20重量%の濃度で存在することを特徴とする請求項1〜8のいずれか一項に記載の固形乳剤。
- 熱可塑性エラストマーの平均モル質量が両親媒性共重合体の平均モル質量よりも大きく、好ましくは熱可塑性エラストマーの平均モル質量が100,000ダルトン以上であり、好ましくは固形乳剤の全重量に対して2〜10重量%の濃度で熱可塑性エラストマーが存在することを特徴とする請求項1〜9のいずれか一項に記載の固形乳剤。
- 固形乳剤の全重量に対して5〜60重量%、好ましくは10〜50重量%の水を含むことを特徴とする請求項1〜10のいずれか一項に記載の固形乳剤。
- a.2〜10重量部の、100,000ダルトン以上の平均モル質量を有する熱可塑性エラストマー、
b.30〜75重量部の液体可塑剤、
c.2〜50重量部の水、及び、
d.0.05〜5重量部の、2つの末端熱可塑性ポリ(スチレン)ブロックA及び1つの中央エラストマーブロックBからなる両親媒性ABA型ブロック共重合体であって、前記中央ブロックBはグラフト化された親水性基を含むポリ(エチレン−ブチレン)配列であり、前記両親媒性共重合体ABAは以下の式で概略的に表わすことができるもの:
であって、ゲル浸透クロマトグラフィーによって測定される平均モル質量が50,000ダルトンである両親媒性ABA型ブロック共重合体
を含有することを特徴とする、特に皮膚、傷又は粘膜上に使用できる固形乳剤。 - 医療用途、皮膚への用途、美容用途、薬学用途又は外科用途で用いることを意図している製品の製造のための、請求項1〜12いずれか一項に記載の固形乳剤の使用。
- 皮膚、傷又は粘膜上に適用する製品の製造のための、請求項1〜12いずれか一項に記載の固形乳剤の使用。
- 上記製品が傷、水ぶくれ、火傷又は表皮表面の損傷を治療する又は保護するための創傷被覆材、局所投与又は全身投与により活性成分を送達するためのパッチ、皮膚若しくは粘膜のケア、洗浄又は保護のための製品、電極、又は、成形可能なシート若しくはフィルムであることを特徴とする請求項13又は14記載の固形乳剤の使用。
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FR0204780A FR2838745B1 (fr) | 2002-04-17 | 2002-04-17 | Emulsions solides a base d'elastomere thermoplastique |
PCT/FR2003/001216 WO2003087220A2 (fr) | 2002-04-17 | 2003-04-16 | Emulsions solides a base d'elastomere thermoplastique |
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ES (1) | ES2291654T3 (ja) |
FR (1) | FR2838745B1 (ja) |
HK (1) | HK1072952A1 (ja) |
WO (1) | WO2003087220A2 (ja) |
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US20070078197A1 (en) * | 2003-10-07 | 2007-04-05 | Coloplast A/S | Adhesive composition and use of such composition |
EP1985290A1 (en) * | 2007-04-26 | 2008-10-29 | Sansho Cosme Inc. | Skin application medicament, method of applying the same to skin and method of manufacturing the same |
US8846740B2 (en) | 2011-01-04 | 2014-09-30 | Biological Responsibility, Llc | Biotherapeutics for the treatment of infectious diseases |
KR20200117973A (ko) * | 2018-02-07 | 2020-10-14 | 가부시키가이샤 시세이도 | 고형 w/o 화장료 조성물 |
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US4369284A (en) * | 1977-03-17 | 1983-01-18 | Applied Elastomerics, Incorporated | Thermoplastic elastomer gelatinous compositions |
JPS54143517A (en) * | 1978-04-28 | 1979-11-08 | Hisamitsu Pharmaceut Co Inc | Novel poultice and its preparation |
US5167649A (en) * | 1988-08-22 | 1992-12-01 | Zook Gerald P | Drug delivery system for the removal of dermal lesions |
ZA899629B (en) * | 1988-12-22 | 1990-09-26 | Ferro Corp | Toughened compositions of polyamide and functionalized rubber block or graft copolymers |
USH1022H (en) * | 1991-01-09 | 1992-02-04 | Shell Oil Company | Soft paintable polymer composition |
JPH0759808A (ja) * | 1993-08-27 | 1995-03-07 | Nitto Denko Corp | 血行促進型含水膏体 |
CA2171542C (en) | 1993-10-12 | 1999-09-14 | Carolyn Marie Anderson | Polystyrene-ethylene/butylene-polystyrene hot melt adhesive |
CA2178825A1 (en) * | 1993-12-29 | 1995-07-06 | Richard Anthony Miller | Water-dispersible adhesive composition and process |
US5559165A (en) | 1995-08-08 | 1996-09-24 | National Starch And Chemical Investment Holding Corporation | Hot melt adhesives for bonding to sensitive areas of the human body |
FR2753380B1 (fr) * | 1996-09-16 | 1998-12-04 | Lhd Lab Hygiene Dietetique | Nouvelle masse adhesive hydrophile |
EP0885942A1 (en) | 1997-06-17 | 1998-12-23 | H.B. Fuller Licensing & Financing, Inc. | Adhesive hotmelt formulation and articles constructed therefrom |
EP1277466B1 (en) * | 2000-04-18 | 2011-07-27 | Hisamitsu Pharmaceutical Co., Inc. | Patch containing anti-inflammatory agent |
CN1182219C (zh) * | 2000-07-07 | 2004-12-29 | A.V.石化合成托普契夫研究所 | 具有最佳粘合性能的亲水性压敏性粘合剂的制备方法 |
FR2814170B1 (fr) * | 2000-09-18 | 2005-05-27 | Rhodia Chimie Sa | Nouveau latex a proprietes de surface modifiees par l' ajout d'un copolymere hydrosoluble a caractere amphiphile |
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2002
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2003
- 2003-04-16 JP JP2003584170A patent/JP4398734B2/ja not_active Expired - Fee Related
- 2003-04-16 EP EP03740625A patent/EP1495075B1/fr not_active Expired - Lifetime
- 2003-04-16 AT AT03740625T patent/ATE370989T1/de not_active IP Right Cessation
- 2003-04-16 US US10/514,251 patent/US7268177B2/en not_active Expired - Fee Related
- 2003-04-16 ES ES03740625T patent/ES2291654T3/es not_active Expired - Lifetime
- 2003-04-16 DE DE60315822T patent/DE60315822T2/de not_active Expired - Lifetime
- 2003-04-16 CN CNB038085313A patent/CN1309781C/zh not_active Expired - Fee Related
- 2003-04-16 WO PCT/FR2003/001216 patent/WO2003087220A2/fr active IP Right Grant
- 2003-04-16 AU AU2003262176A patent/AU2003262176A1/en not_active Abandoned
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2005
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013512233A (ja) * | 2009-11-27 | 2013-04-11 | リヴォリマー リミテッド | 化粧組成物 |
Also Published As
Publication number | Publication date |
---|---|
FR2838745B1 (fr) | 2004-07-09 |
HK1072952A1 (en) | 2005-09-16 |
WO2003087220A3 (fr) | 2004-04-01 |
JP4398734B2 (ja) | 2010-01-13 |
DE60315822D1 (de) | 2007-10-04 |
US7268177B2 (en) | 2007-09-11 |
AU2003262176A8 (en) | 2003-10-27 |
EP1495075A2 (fr) | 2005-01-12 |
FR2838745A1 (fr) | 2003-10-24 |
US20050176871A1 (en) | 2005-08-11 |
CN1646627A (zh) | 2005-07-27 |
EP1495075B1 (fr) | 2007-08-22 |
ES2291654T3 (es) | 2008-03-01 |
DE60315822T2 (de) | 2008-05-21 |
WO2003087220A2 (fr) | 2003-10-23 |
ATE370989T1 (de) | 2007-09-15 |
CN1309781C (zh) | 2007-04-11 |
AU2003262176A1 (en) | 2003-10-27 |
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