JP6790427B2 - 表面改質方法 - Google Patents
表面改質方法 Download PDFInfo
- Publication number
- JP6790427B2 JP6790427B2 JP2016075395A JP2016075395A JP6790427B2 JP 6790427 B2 JP6790427 B2 JP 6790427B2 JP 2016075395 A JP2016075395 A JP 2016075395A JP 2016075395 A JP2016075395 A JP 2016075395A JP 6790427 B2 JP6790427 B2 JP 6790427B2
- Authority
- JP
- Japan
- Prior art keywords
- monomer
- modified
- modification method
- tubular
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000012986 modification Methods 0.000 claims description 40
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- 150000001875 compounds Chemical class 0.000 claims description 27
- 239000003999 initiator Substances 0.000 claims description 26
- 238000006116 polymerization reaction Methods 0.000 claims description 25
- 238000010526 radical polymerization reaction Methods 0.000 claims description 21
- 239000012965 benzophenone Substances 0.000 claims description 20
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- 230000000977 initiatory effect Effects 0.000 claims description 11
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- 150000001340 alkali metals Chemical class 0.000 claims description 8
- 230000001678 irradiating effect Effects 0.000 claims description 6
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- 239000011591 potassium Substances 0.000 description 1
- LLLCSBYSPJHDJX-UHFFFAOYSA-M potassium;2-methylprop-2-enoate Chemical compound [K+].CC(=C)C([O-])=O LLLCSBYSPJHDJX-UHFFFAOYSA-M 0.000 description 1
- QIFCIFLDTQJGHQ-UHFFFAOYSA-M potassium;2-phenylethenesulfonate Chemical compound [K+].[O-]S(=O)(=O)C=CC1=CC=CC=C1 QIFCIFLDTQJGHQ-UHFFFAOYSA-M 0.000 description 1
- YLQIJFPHMPTBGU-UHFFFAOYSA-M potassium;ethenesulfonate Chemical compound [K+].[O-]S(=O)(=O)C=C YLQIJFPHMPTBGU-UHFFFAOYSA-M 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
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- 108090000623 proteins and genes Proteins 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- SONHXMAHPHADTF-UHFFFAOYSA-M sodium;2-methylprop-2-enoate Chemical compound [Na+].CC(=C)C([O-])=O SONHXMAHPHADTF-UHFFFAOYSA-M 0.000 description 1
- WNAJIILVQHSJSC-UHFFFAOYSA-M sodium;pent-4-enoate Chemical compound [Na+].[O-]C(=O)CCC=C WNAJIILVQHSJSC-UHFFFAOYSA-M 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
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- PXQLVRUNWNTZOS-UHFFFAOYSA-N sulfanyl Chemical class [SH] PXQLVRUNWNTZOS-UHFFFAOYSA-N 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 125000005207 tetraalkylammonium group Chemical group 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- AIUAMYPYEUQVEM-UHFFFAOYSA-N trimethyl(2-prop-2-enoyloxyethyl)azanium Chemical compound C[N+](C)(C)CCOC(=O)C=C AIUAMYPYEUQVEM-UHFFFAOYSA-N 0.000 description 1
- FZGFBJMPSHGTRQ-UHFFFAOYSA-M trimethyl(2-prop-2-enoyloxyethyl)azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CCOC(=O)C=C FZGFBJMPSHGTRQ-UHFFFAOYSA-M 0.000 description 1
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Images
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- A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
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- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
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- A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
- A61L29/14—Materials characterised by their function or physical properties, e.g. lubricating compositions
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/04—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polycarbonamides, polyesteramides or polyimides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
- A61M2025/0046—Coatings for improving slidability
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2321/00—Characterised by the use of unspecified rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
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Description
前記モノマーは、アルカリ金属含有モノマー、ハロゲン含有モノマー及び双性イオン性モノマーからなる群より選択される少なくとも1種であることが好ましい。
前記改質対象物がカテーテルであることが好ましい。
黒色チューブ状熱可塑性エラストマー(材質:ナイロン6、長さ:5cm、内径:7mm、外径:10mm)の内外表面にベンゾフェノンの3wt%アセトン溶液を塗布して、ベンゾフェノンを吸着させ、乾燥した。
その後、3−スルホプロピルメタクリル酸カリウム水溶液(1.25M)の入ったガラス反応容器に浸漬し、ゴムで蓋をし、アルゴンガスを導入して120分間バブリングをし、酸素を追い出した。
ガラス反応容器を回転させながら、365nmの波長を持つLED光をチューブ外側から45分照射してラジカル重合を行い、チューブ内外表面にポリマー鎖を成長させ、表面改質弾性体(ポリマーブラシ)を得た。
ベンゾフェノンに代えて2,4−ジエチルチオキサントンを用い、LED光の照射時間を45分から20分に変更した以外は、実施例1と同様にして表面改質弾性体(ポリマーブラシ)を得た。
3−スルホプロピルメタクリル酸カリウムに代えて2−メタクリロイルオキシエチルホスホリルコリンを用いた以外は、実施例1と同様にして表面改質弾性体(ポリマーブラシ)を得た。
3−スルホプロピルメタクリル酸カリウムに代えて2−(メタクロイルオキシ)エチルトリメチルアンモニウム・クロリドを用いた以外は、実施例2と同様にして表面改質弾性体(ポリマーブラシ)を得た。
黒色チューブ状熱可塑性エラストマー(材質:ナイロン6、長さ:5cm、内径:7mm、外径:10mm)に代えて、黒色チューブ状熱可塑性エラストマー(材質:ナイロン6、長さ:10cm、内径:7mm、外径:10mm)を用いた以外は、実施例3と同様にして表面改質弾性体(ポリマーブラシ)を得た。
黒色チューブ状熱可塑性エラストマー(材質:ナイロン6、長さ:5cm、内径:7mm、外径:10mm)に代えて、黒色チューブ状熱可塑性エラストマー(材質:ナイロン6、長さ:30cm、内径:7mm、外径:10mm)を用いた以外は、実施例3と同様にして表面改質弾性体(ポリマーブラシ)を得た。
黒色チューブ状熱可塑性エラストマー(材質:ナイロン6、長さ:5cm、内径:7mm、外径:10mm)に代えて、黒色チューブ状熱可塑性エラストマー(材質:ナイロン6、長さ:5cm、内径:1mm、外径:2mm)を用いた以外は、実施例3と同様にして表面改質弾性体(ポリマーブラシ)を得た。
黒色チューブ状熱可塑性エラストマー(材質:ナイロン6、長さ:5cm、内径:7mm、外径:10mm)に代えて、黒色チューブ状熱可塑性エラストマー(材質:ウレタン、長さ:5cm、内径:7mm、外径:10mm)を用いた以外は、実施例1と同様にして表面改質弾性体(ポリマーブラシ)を得た。
黒色チューブ状熱可塑性エラストマー(材質:ナイロン6、長さ:5cm、内径:7mm、外径:10mm)を、3−スルホプロピルメタクリル酸カリウム水溶液(1.25M)にベンゾフェノン濃度が0.003Mになるように添加・調整した水溶液の入ったガラス反応容器に浸漬し、ゴムで蓋をし、アルゴンガスを導入して120分間バブリングをし、酸素を追い出した。ガラス反応容器を回転させながら、365nmの波長を持つLED光を90分照射してラジカル重合を行い、チューブ内外表面にポリマー鎖を成長させ、表面改質弾性体(ポリマーブラシ)を得た。
黒色チューブ状熱可塑性エラストマー(材質:ナイロン6、長さ:5cm、内径:7mm、外径:10mm)そのものを使用した。
黒色チューブ状熱可塑性エラストマー(材質:ナイロン6、長さ:5cm、内径:7mm、外径:10mm)の内外表面に、メチルビニルエーテル−無水マレイン酸(IPS社製GANTREZ−AN16)の5%メタノール溶液でコーティングしたものを使用した。なお、血管カテーテルによく使用される材料がナイロンであり、表面の潤滑性を出すための標準的な潤滑剤がメチルビニルエーテル−無水マレイン酸である。
チューブを切断し、内外表面を露出させ、水を付け、表面の滑り性について、人の指による感応評価を行った。滑り性が良いものを5点、滑り性が悪く滑らないものを1点とする基準において、10人が感応評価を行い、その平均値を算出した。
チューブ内外表面に水を付けた後、チューブを指で挟んで移動させるというサイクルを100回繰り返した後、再度、前記潤滑性の評価に従って10人が感応評価を行い、その平均値及び初期潤滑性からの低下率を算出した。
12 開口部
13 内部
Claims (8)
- 側面に開口部を有してもよい不透明のチューブ状加硫ゴム又は不透明の熱可塑性エラストマーを改質対象物とする表面改質方法であって、
前記改質対象物の少なくとも外表面に重合開始点を形成する工程1と、
前記改質対象物の前記外表面に300〜400nmのUV光を照射して、前記重合開始点からラジカルを生成させてモノマーをラジカル重合させ、前記改質対象物の少なくとも内表面にポリマー鎖を成長させる工程2とを含む表面改質方法。 - 不透明のチューブ状加硫ゴム又は不透明の熱可塑性エラストマーを改質対象物とする表面改質方法であって、
光重合開始剤の存在下で、前記改質対象物の外表面に300〜400nmのUV光を照射してモノマーをラジカル重合させ、前記改質対象物の少なくとも内表面にポリマー鎖を成長させる工程Iを含む表面改質方法。 - 前記工程1において、前記改質対象物の外表面の他、内表面にも重合開始点を形成させるものである請求項1記載の表面改質方法。
- 前記工程2又はIにおいて、前記改質対象物の内表面の他、外表面にもポリマー鎖を成長させるものである請求項1〜3のいずれかに記載の表面改質方法。
- 前記光重合開始剤は、ベンゾフェノン系化合物及び/又はチオキサントン系化合物である請求項2記載の表面改質方法。
- 前記モノマーは、アルカリ金属含有モノマー、ハロゲン含有モノマー及び双性イオン性モノマーからなる群より選択される少なくとも1種である請求項1〜5のいずれかに記載の表面改質方法。
- 前記改質対象物の少なくとも前記内表面の一部を改質し、水存在下での潤滑性を付与する請求項1〜6のいずれかに記載の表面改質方法。
- 前記改質対象物がカテーテルである請求項1〜7のいずれかに記載の表面改質方法。
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EP1149598A3 (en) * | 2000-04-27 | 2002-03-06 | Terumo Kabushiki Kaisha | Catheter and medical tube |
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2017
- 2017-02-01 EP EP17154198.0A patent/EP3228638B1/en active Active
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US20170283572A1 (en) | 2017-10-05 |
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JP2017186427A (ja) | 2017-10-12 |
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