JPH10511600A - 表面を反応性化する方法 - Google Patents
表面を反応性化する方法Info
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- JPH10511600A JPH10511600A JP8520702A JP52070296A JPH10511600A JP H10511600 A JPH10511600 A JP H10511600A JP 8520702 A JP8520702 A JP 8520702A JP 52070296 A JP52070296 A JP 52070296A JP H10511600 A JPH10511600 A JP H10511600A
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.表面を多段階被覆するための方法であって、 一方において、少なくとも1種のイソシアナート基を含む反応性光開始剤、又 はそれから誘導されるマクロ開始剤を、担体に共有的に結合させ、他方において 、新規な表面層を形成するオリゴマー又はポリマーを、イソシアナート基と共− 反応性である反応性基を介して、反応性光開始剤又は反応性光開始剤により改質 される担体に共有的に結合させることを特徴とする方法。 2.a)式(Ia)又は(Ib)の反応性光開始剤の薄層を、ラジカルと共−反 応性である適切な基を含む表面へ塗布する工程; (b)被覆した表面を適切な波長のUV光で照射し、反応性光開始剤のラジカル α−開裂により、表面の共−反応性基と共有結合を形成するベンゾイル−様ラジ カルを生成させ、同時に光開始剤のイソシアナート基は保持する工程; (c)イソシアナート基と共−反応性である基を含むオリゴマー又はポリマーを 、光開始剤により改質された表面に塗布する工程; (d)共有的に結合された光開始剤のイソシアナート基を有するオリゴマー又は ポリマーにより、表面に共有結合を形成させる工程を含む、請求項1記載の方法 。 3.(a)イソシアナート基と共−反応性である基を含むオリゴマー又はポリマ ーを、式(Ib)又は(Ib)の反応性光開始剤と反応させてマクロ開始剤を形 成させ、光開始剤のイソシアナート基を、オリゴマー又はポリマーの共−反応性 基の一つと共有結合を形成させる工程; (b)そのようにして得たマクロ開始剤の薄層を、ラジカルと共−反応性である 適切な基を含む表面に塗布する工程; (c)該被覆表面を、適切な波長のUV光で照射し、反応性光開始剤のラジカル α−開裂により、表面の共−反応性基と共有結合を形成するベンゾイル−様ラジ カルを生成させる工程を含む、請求項1記載の方法。 4.(a)適用できるならば、基材の表面に、イソシアナート基と共−反応性で ある反応性基、例えばOH、NH2又はCOOHを、適切な化学的又は物理的前 処理により(例えばプラズマ処理により)、付与する工程; (b)イソシアナート基と共−反応性である基を含む表面を、式(Ib)又は( Ib)の反応性光開始剤で被覆し、光開始剤のイソシアナート基と、表面との共 有結合を形成させる工程; (c)光開始剤で改質された表面を、少なくとも1種のイソシアナートを含むビ ニル性モノマー又はそのようなモノマーを含むビニルモノマーの混合物の薄層で 被覆する工程; (d)被覆した表面を適切な波長のUV光で照射し、表面に共有的に結合してい るイソシアナート基を含むグラフト(コ)ポリマーを生成させる工程; (e)そのように改質された表面に、イソシアナート基と共−反応性である基を 含むオリゴマー又はポリマーを塗布する工程; (f)グラフト(コ)ポリマーのイソシアナート基を有するオリゴマー又はポリ マーにより共有結合を形成させる工程を含む、請求項1記載の方法。 5.式(Ia)又は(Ib): (式中、 Yは、O、NH又はNR1Aであり; Y1は、Oであり; Y2は、−O−、−O−(O)C−、−C(O)−O−又は−O−C(O)− O−であり; それぞれのnは、他と独立して、0又は1であり; Rは、H、C1−C12アルキル、C1−C12アルコキシ又はC1−C12アルキル NH−であり; R1及びR2は、それぞれ他と独立に、H、直鎖又は分岐の、C1−C8アルキル 、C1−C8ヒドロキシアルキル若しくはC6−C10アリールであるか、又は 2個の基:R1−(Y1)n−は、一緒になって、−(CH2)x−であるか、又 は 基:R1−(Y1)n−とR2−(Y1)n−は、一緒になって、下記式: の基であり; R3は、直接結合又は直鎖若しくは分岐のC1−C8アルキレン(これは、非置 換であるか、又は−OHで置換されているか、及び/又は場合により−O−、− O−(O)C−若しくは−O−C(O)−O−の1個又は2個以上の基で中断さ れている)であり; R4は、分岐C3−C18アルキレン、非置換若しくはC1−C4アルキル−若しく はC1−C4アルコキシ−置換C6−C10アリーレン、又は非置換若しくはC1−C4 アルキル−若しくはC1−C4アルコキシ−置換C7−C18アラルキレン、非置換 若しくはC1−C4アルキル−若しくはC1−C4アルコキシ−置換C3−C8シクロ アルキレン、非置換若しくはC1−C4アルキル−若しくはC1−C4アルコキシ− 置換C3−C8シクロアルキレン−CyH2y−、非置換若しくはC1−C4アルキル −若しくはC1−C4アルコキシ−置換−CyH2y−(C3−C8シクロアルキレン )−CyH2y−であり; R5は、独立してR4と同義であるか、又は直鎖C3−C18アルキレンであり; R1Aは、低級アルキルであり; xは、3〜5の整数であり; yは、1〜6の整数であり; Ra及びRbは、それぞれ他と独立に、H、C1−C8アルキル、C3−C8シクロ アルキル、ベンジル又はフェニルであるが;ただし R2がHである場合、R1−(Y1)n−のnは0であり;−(Y1)n−の2個を越 えないY1は、Oであり、他の−(Y1)n−のnは、0であり;そしてR3が、直 接結合である場合、−(Y2)n−のnは0であり; Xは、二価の、−O−、−NH−、−S−、低級アルキレン又は下記式: の基であり; Y10は、直接結合又は−O−(CH2)y−(ここで、yは、1〜6の整数であり 、そして式(Ib)においてその末端CH2基は、隣接Xに結合している)であ り; R100は、H、C1−C12アルキル、C1−C12アルコキシ、C1−C12アルキル NH−又は−NR1AR1B(ここで、R1Aは、低級アルキルであり、そしてR1Bは 、H又は低級アルキルであり; R101は、直鎖又は分岐の、低級アルキル、低級アルケニル又はアリール−低 級アルキルであり; R102は、R101と独立に、R101と同義であるか、又はアリールであるか、又 はR101とR102は、一緒になって、−(CH2)m−(ここで、mは、2〜6の整数 である)であり; R103及びR104は、それぞれ他と独立に、直鎖又は分岐の、低級アルキル(こ れは、C1−C4アルコキシにより置換されていてもよい)、若しくはアリール− 低級アルキル若しくは低級アルケニルであるか;又は R103とR104は、一緒になって、−(CH2)z−Y11−(CH2)z−(ここで、 Y11は、直接結合、−O−、−S−又は−NR1B−であり、そしてR1Bは、H又 は低級アルキルであり、そしてそれぞれのzは、他と独立に、2〜4の整数であ る)で示される化合物が、反応性光開始剤として用いられる、請求項1記載の方 法。 6.マクロ開始剤として、所望ならば、1個又は2個以上の架橋基を介して、末 端で又は懸垂的に結合した、1個又は2個以上のH−活性の、−OH及び/又は −NH−基を有するオリゴマー又はポリマーを用い、そのH−活性基のH原子が 、基:R200により部分的に又は完全に置換されており、R200が、式(IVa)又 は(IVb): (式中、X、Y、Y1、Y2、Y10、R、R1、R2、R3、R4、R5、R100、R10 1 、R102、R103、R104及びnは、請求項5と同義である)で示される基である 、請求項1〜4のいずれか1項記載の方法。 7.オリゴマー又はポリマーが、天然若しくは合成のオリゴマー又はポリマーで ある、請求項1〜4のいずれか1項又は請求項6記載の方法。 8.天然のオリゴマー又はポリマーが、シクロデキストリン、スターチ、ヒアル ロン酸、脱アセチル化ヒアルロン酸、キトサン、トレハロース、セロビオース、 マルトトリオース、マルトヘキサオース、キトヘキサオース、アガロース、キチ ン50、アミロース、グルカン、ヘパリン、キシラン、ペクチン、ガラクタン、 ポリ−ガラクトサミン、グルコサミノグリカン、デキストラン、アミノ化デキス トラン、セルロース、ヒドロキシアルキルセルロース、カルボキシアルキルセル ロース、フコイダン、硫酸コンドロイチン、硫酸化多糖、ムコ多糖、ゲラチン、 ゼイン、コラーゲン、アルブミン、グロブリン、ビリルビン、オバルブミン、ケ ラチン、フィブルネクチン若しくはビトロネクチン、ペプシン、トリプシン又は リゾチームと理解され;かつ合成のオリゴマー又はポリマーが、ビニルエステル 若しくはエーテルの1種若しくは2種以上のポリマー若しくは加水分解ポリマー (ポリビニルアルコール);ポリジオレフィン若しくはヒドロキシル化ポリジオ レフィン、例えばポリブタジエン、ポリイソプレン若しくはク ロロプレン;ポリアクリル酸若しくはポリメタクリル酸、又は所望ならば、エス テル基若しくはアミド基にヒドロキシルアルキル若しくはアミノアルキル基を有 する、ポリアクリラート、ポリメタクリラート、ポリアクリルアミド若しくはポ リメタクリルアミド;所望ならばヒドロキシルアルキル若しくはアミノアルキル 基を有するポリシロキサン;1種若しくは2種以上のエポキシド若しくはグリシ ジル化合物とジオールのポリエーテル;ポリビニルフェノール又はビニルフェノ ールと1種若しくは2種以上のオレフィン化合物のコポリマー;あるいはビニル アルコール、ビニルピロリドン、アクリル酸、メタクリル酸、又はヒドロキシル アルキル−若しくはアミノアルキル−含有アクリラート、メタクリラート又はア クリルアミド若しくはメタクリルアミド、又はジオレフィン若しくはヒドロキシ ル化ジオレフィンの群からのモノマーの少なくとも1種と、1種若しくは2種以 上のエチレン性不飽和化合物、例えばアクリロニトリル、オレフィン、ジオレフ ィン、塩化ビニル、塩化ビニリデン、フッ化ビニル、フッ化ビニリデン、スチレ ン、α−メチルスチレン、ビニルエーテル若しくはビニルエステルとのコポリマ ー;あるいは所望ならば、末端OH基若しくはアミノアルコキシ基を有するポリ オキサアルキレンであると理解される、請求項7記載の方法。 9.用いられる光開始剤が、下記式: の化合物から選択される、請求項1、2、3又は4記載の方法。 10.問題の表面が、コンタクトレンズ又は眼科用成形品の表面である、請求項 1記載の方法。 11.請求項1〜9のいずれか1項記載の方法により得られる被覆された 基材。 12.請求項1〜9のいずれか1項記載の方法により得られる被覆されたフィル ム。 13.請求項1〜10のいずれか1項記載の方法により得られるコンタクトレン ズ。 14.請求項2記載の方法により、そこに記載された工程(c)及び(d)を省 略することによって得られる改質基材。 15.請求項4記載の方法により、そこに記載された工程(e)及び(f)を省 略することによって得られる改質基材。 16.フィルムである請求項14又は15記載の改質基材。 17.コンタクトレンズである請求項14又は15記載の改質基材。 18.(a)基材、並びに(b)その表面に、(b1)式(Ia)又は(Ib) の光開始剤の少なくとも1種から誘導される構成要素、及び(b2)構成要素( b1)のイソシアナート基に、イソシアナート基と共−反応性の基を介して、共 有的に結合しているオレフィンのポリマーからなる共有的に結合した薄層を含む フィルム。 19.(a)透明な有機基材、並びに(b)表面に、(b2)式(Ia)又は( Ib)の光開始剤の少なくとも1種から誘導される構成要素、及び(b2)構成 要素(b1)のイソシアナート基に、イソシアナート基と共−反応性の基を介し て、共有的に結合しているオレフィンのポリマーからなる共有的に結合した薄層 を含むコンタクトレンズ。 20.(a)基材、並びに(b)その表面に、依然として、遊離の形態でイソシ アナート基含む、式(Ia)又は(Ib)の光開始剤の少なくとも1種から誘導 される構成要素(b)からなる共有的に結合した薄層を含むフィルム。 21.(a)透明な有機基材、並びに(b)その表面に、依然として、遊離の形 態でイソシアナート基含む、式(Ia)又は(Ib)の光開始剤の少なくとも1 種から誘導される構成要素(b)からなる共有的に結合した薄層を含むコンタク トレンズ。
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| CH396794 | 1994-12-30 | ||
| PCT/EP1995/005013 WO1996020796A1 (en) | 1994-12-30 | 1995-12-18 | Process for the functionalisation of surfaces |
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| DE3738567A1 (de) * | 1987-03-12 | 1988-09-22 | Merck Patent Gmbh | Coreaktive fotoinitiatoren |
| EP0574352A1 (en) * | 1992-06-09 | 1993-12-15 | Ciba-Geigy Ag | Process for graft polymerization on surfaces of preformed substrates to modify surface properties |
| TW328535B (en) * | 1993-07-02 | 1998-03-21 | Novartis Ag | Functional photoinitiators and their manufacture |
-
1995
- 1995-02-04 TW TW084100886A patent/TW353086B/zh active
- 1995-12-18 CN CN95197514A patent/CN1174525A/zh active Pending
- 1995-12-18 FI FI972699A patent/FI972699A7/fi unknown
- 1995-12-18 AT AT95942693T patent/ATE180185T1/de not_active IP Right Cessation
- 1995-12-18 DE DE69509801T patent/DE69509801T2/de not_active Expired - Lifetime
- 1995-12-18 DK DK95942693T patent/DK0808222T3/da active
- 1995-12-18 EP EP95942693A patent/EP0808222B1/en not_active Expired - Lifetime
- 1995-12-18 WO PCT/EP1995/005013 patent/WO1996020796A1/en not_active Ceased
- 1995-12-18 AU AU43874/96A patent/AU698098B2/en not_active Ceased
- 1995-12-18 US US08/860,130 patent/US6099122A/en not_active Expired - Fee Related
- 1995-12-18 NZ NZ298396A patent/NZ298396A/xx unknown
- 1995-12-18 JP JP52070296A patent/JP4188413B2/ja not_active Expired - Fee Related
- 1995-12-18 ES ES95942693T patent/ES2134514T3/es not_active Expired - Lifetime
- 1995-12-18 BR BR9510292A patent/BR9510292A/pt active Search and Examination
- 1995-12-18 CA CA002208710A patent/CA2208710A1/en not_active Abandoned
- 1995-12-21 IL IL11648795A patent/IL116487A0/xx unknown
- 1995-12-27 BR BR9510415A patent/BR9510415A/pt not_active Application Discontinuation
- 1995-12-28 ZA ZA9511003A patent/ZA9511003B/xx unknown
-
1997
- 1997-06-27 NO NO973022A patent/NO973022L/no not_active Application Discontinuation
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1999
- 1999-08-18 GR GR990402072T patent/GR3030994T3/el unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003509211A (ja) * | 1999-09-22 | 2003-03-11 | サーモディックス,インコーポレイティド | 開始剤基を有する水溶性コーティング剤およびコーティング方法 |
| JP2006510774A (ja) * | 2002-12-20 | 2006-03-30 | チバ スペシャルティ ケミカルズ ホールディング インコーポレーテッド | 反応性被膜の形成方法 |
| JP2011025247A (ja) * | 2010-10-08 | 2011-02-10 | Surmodics Inc | 開始剤基を有する水溶性コーティング剤およびコーティング方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| FI972699A0 (fi) | 1997-06-23 |
| GR3030994T3 (en) | 1999-12-31 |
| FI972699L (fi) | 1997-08-22 |
| NO973022L (no) | 1997-08-25 |
| BR9510292A (pt) | 1997-11-11 |
| MX9704921A (es) | 1997-10-31 |
| JP4188413B2 (ja) | 2008-11-26 |
| ZA9511003B (en) | 1996-07-01 |
| CA2208710A1 (en) | 1996-07-11 |
| TW353086B (en) | 1999-02-21 |
| AU4387496A (en) | 1996-07-24 |
| CN1174525A (zh) | 1998-02-25 |
| FI972699A7 (fi) | 1997-08-22 |
| DE69509801T2 (de) | 1999-10-14 |
| ATE180185T1 (de) | 1999-06-15 |
| DK0808222T3 (da) | 1999-11-29 |
| IL116487A0 (en) | 1996-03-31 |
| AU698098B2 (en) | 1998-10-22 |
| DE69509801D1 (de) | 1999-06-24 |
| EP0808222A1 (en) | 1997-11-26 |
| NZ298396A (en) | 1999-07-29 |
| WO1996020796A1 (en) | 1996-07-11 |
| BR9510415A (pt) | 1998-05-19 |
| NO973022D0 (no) | 1997-06-27 |
| EP0808222B1 (en) | 1999-05-19 |
| US6099122A (en) | 2000-08-08 |
| ES2134514T3 (es) | 1999-10-01 |
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