TWI664265B - 貼附劑 - Google Patents
貼附劑 Download PDFInfo
- Publication number
- TWI664265B TWI664265B TW105106380A TW105106380A TWI664265B TW I664265 B TWI664265 B TW I664265B TW 105106380 A TW105106380 A TW 105106380A TW 105106380 A TW105106380 A TW 105106380A TW I664265 B TWI664265 B TW I664265B
- Authority
- TW
- Taiwan
- Prior art keywords
- adhesive
- adhesive layer
- release liner
- group
- peelability
- Prior art date
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- 239000000853 adhesive Substances 0.000 claims abstract description 155
- 230000001070 adhesive effect Effects 0.000 claims abstract description 148
- 239000012790 adhesive layer Substances 0.000 claims abstract description 99
- -1 polysiloxane Polymers 0.000 claims abstract description 74
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 23
- 229920001971 elastomer Polymers 0.000 claims abstract description 17
- 239000005060 rubber Substances 0.000 claims abstract description 17
- 238000010030 laminating Methods 0.000 claims abstract description 6
- 239000003522 acrylic cement Substances 0.000 claims abstract description 4
- 239000003814 drug Substances 0.000 claims description 39
- 229940079593 drug Drugs 0.000 claims description 38
- 238000010521 absorption reaction Methods 0.000 claims description 22
- 239000003623 enhancer Substances 0.000 claims description 22
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 18
- 239000000194 fatty acid Substances 0.000 claims description 18
- 229930195729 fatty acid Natural products 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 239000003921 oil Substances 0.000 claims description 12
- 239000004014 plasticizer Substances 0.000 claims description 12
- 229920001577 copolymer Polymers 0.000 claims description 11
- XUGNVMKQXJXZCD-UHFFFAOYSA-N isopropyl palmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC(C)C XUGNVMKQXJXZCD-UHFFFAOYSA-N 0.000 claims description 10
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 9
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 9
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 9
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- 239000011347 resin Substances 0.000 claims description 8
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- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 7
- 229930195734 saturated hydrocarbon Natural products 0.000 claims description 7
- HIQIXEFWDLTDED-UHFFFAOYSA-N 4-hydroxy-1-piperidin-4-ylpyrrolidin-2-one Chemical compound O=C1CC(O)CN1C1CCNCC1 HIQIXEFWDLTDED-UHFFFAOYSA-N 0.000 claims description 6
- 239000013032 Hydrocarbon resin Substances 0.000 claims description 6
- 229920002367 Polyisobutene Polymers 0.000 claims description 6
- 229920006270 hydrocarbon resin Polymers 0.000 claims description 6
- 229920001083 polybutene Polymers 0.000 claims description 6
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- 125000002723 alicyclic group Chemical group 0.000 claims description 5
- 125000005456 glyceride group Chemical group 0.000 claims description 5
- 229940057995 liquid paraffin Drugs 0.000 claims description 5
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 claims description 4
- KSCKTBJJRVPGKM-UHFFFAOYSA-N octan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCCCCCC[O-].CCCCCCCC[O-].CCCCCCCC[O-].CCCCCCCC[O-] KSCKTBJJRVPGKM-UHFFFAOYSA-N 0.000 claims description 4
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- 125000003944 tolyl group Chemical group 0.000 claims description 3
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- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
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- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 5
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- ASUTZQLVASHGKV-JDFRZJQESA-N galanthamine Chemical compound O1C(=C23)C(OC)=CC=C2CN(C)CC[C@]23[C@@H]1C[C@@H](O)C=C2 ASUTZQLVASHGKV-JDFRZJQESA-N 0.000 description 4
- 229940100463 hexyl laurate Drugs 0.000 description 4
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- LVYLCBNXHHHPSB-UHFFFAOYSA-N 2-hydroxyethyl salicylate Chemical compound OCCOC(=O)C1=CC=CC=C1O LVYLCBNXHHHPSB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
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- 230000008859 change Effects 0.000 description 3
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- 239000004615 ingredient Substances 0.000 description 3
- 229960001047 methyl salicylate Drugs 0.000 description 3
- PRAKJMSDJKAYCZ-UHFFFAOYSA-N squalane Chemical compound CC(C)CCCC(C)CCCC(C)CCCCC(C)CCCC(C)CCCC(C)C PRAKJMSDJKAYCZ-UHFFFAOYSA-N 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
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- DTGKSKDOIYIVQL-WEDXCCLWSA-N (+)-borneol Chemical compound C1C[C@@]2(C)[C@@H](O)C[C@@H]1C2(C)C DTGKSKDOIYIVQL-WEDXCCLWSA-N 0.000 description 2
- XMGQYMWWDOXHJM-JTQLQIEISA-N (+)-α-limonene Chemical compound CC(=C)[C@@H]1CCC(C)=CC1 XMGQYMWWDOXHJM-JTQLQIEISA-N 0.000 description 2
- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 2
- VDPRSOCKHVPZRS-UHFFFAOYSA-N 1-(2-decylsulfanylethyl)pyrrolidin-2-one Chemical class CCCCCCCCCCSCCN1CCCC1=O VDPRSOCKHVPZRS-UHFFFAOYSA-N 0.000 description 2
- AXTGDCSMTYGJND-UHFFFAOYSA-N 1-dodecylazepan-2-one Chemical compound CCCCCCCCCCCCN1CCCCCC1=O AXTGDCSMTYGJND-UHFFFAOYSA-N 0.000 description 2
- WNWHHMBRJJOGFJ-UHFFFAOYSA-N 16-methylheptadecan-1-ol Chemical compound CC(C)CCCCCCCCCCCCCCCO WNWHHMBRJJOGFJ-UHFFFAOYSA-N 0.000 description 2
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- VOXZDWNPVJITMN-ZBRFXRBCSA-N 17β-estradiol Chemical compound OC1=CC=C2[C@H]3CC[C@](C)([C@H](CC4)O)[C@@H]4[C@@H]3CCC2=C1 VOXZDWNPVJITMN-ZBRFXRBCSA-N 0.000 description 2
- YWPABLWXCWUIIT-UHFFFAOYSA-N 2-(2-phenylphenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC=C1C1=CC=CC=C1 YWPABLWXCWUIIT-UHFFFAOYSA-N 0.000 description 2
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 2
- LEACJMVNYZDSKR-UHFFFAOYSA-N 2-octyldodecan-1-ol Chemical compound CCCCCCCCCCC(CO)CCCCCCCC LEACJMVNYZDSKR-UHFFFAOYSA-N 0.000 description 2
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical class [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
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- DUGOZIWVEXMGBE-UHFFFAOYSA-N Methylphenidate Chemical compound C=1C=CC=CC=1C(C(=O)OC)C1CCCCN1 DUGOZIWVEXMGBE-UHFFFAOYSA-N 0.000 description 2
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 2
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- RJKFOVLPORLFTN-LEKSSAKUSA-N Progesterone Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H](C(=O)C)[C@@]1(C)CC2 RJKFOVLPORLFTN-LEKSSAKUSA-N 0.000 description 2
- XSVMFMHYUFZWBK-NSHDSACASA-N Rivastigmine Chemical compound CCN(C)C(=O)OC1=CC=CC([C@H](C)N(C)C)=C1 XSVMFMHYUFZWBK-NSHDSACASA-N 0.000 description 2
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- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 description 2
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- 125000004122 cyclic group Chemical group 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
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- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
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- 238000002360 preparation method Methods 0.000 description 2
- ARIWANIATODDMH-UHFFFAOYSA-N rac-1-monolauroylglycerol Chemical compound CCCCCCCCCCCC(=O)OCC(O)CO ARIWANIATODDMH-UHFFFAOYSA-N 0.000 description 2
- GHBFNMLVSPCDGN-UHFFFAOYSA-N rac-1-monooctanoylglycerol Chemical compound CCCCCCCC(=O)OCC(O)CO GHBFNMLVSPCDGN-UHFFFAOYSA-N 0.000 description 2
- 229960001534 risperidone Drugs 0.000 description 2
- RAPZEAPATHNIPO-UHFFFAOYSA-N risperidone Chemical compound FC1=CC=C2C(C3CCN(CC3)CCC=3C(=O)N4CCCCC4=NC=3C)=NOC2=C1 RAPZEAPATHNIPO-UHFFFAOYSA-N 0.000 description 2
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- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 238000013112 stability test Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
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- HLZKNKRTKFSKGZ-UHFFFAOYSA-N tetradecan-1-ol Chemical compound CCCCCCCCCCCCCCO HLZKNKRTKFSKGZ-UHFFFAOYSA-N 0.000 description 2
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- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 description 2
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Abstract
本發明係一種貼附劑,其係於支持體之至少一面上積層黏著劑層及剝離襯墊而成者,且上述黏著劑層為含有選自由丙烯酸酯系黏著劑及橡膠系黏著劑所組成之群中之至少一種作為黏著基劑者,且於該黏著劑層中調配有0.3~5質量%之於25℃下之動黏度為10~350cSt之無官能性聚矽氧油。
Description
本發明係關於一種貼附劑,更詳細而言,係關於一種於支持體上積層黏著劑層與剝離襯墊而成之貼附劑。
貼附劑通常而言於支持體之至少一面上具有黏著劑層、與用以保護黏著劑層直至使用貼附劑時之剝離襯墊,且對於剝離襯墊,要求其於剝離時容易自黏著劑層適度地剝離。即,若剝離襯墊難以自黏著劑層剝離,則將貼附劑貼附於皮膚時變得難以使用,又,於極端之情形時,產生如下問題,即於剝離襯墊附著於黏著劑層之狀態下黏著劑層自支持體被剝離。另一方面,若為剝離襯墊過於容易地自黏著劑層剝離之狀態,則產生如下問題,即於貼附劑之製造時或保存時剝離襯墊偏離黏著劑層,而無法充分謀求利用剝離襯墊保護黏著劑層。
因此,為了使此種剝離襯墊之剝離性變良好,先前使用有實施過於剝離襯墊之表面層狀地塗佈聚矽氧系樹脂或氟系樹脂等脫模劑,並藉由交聯等進行固定之所謂脫模處理者。
又,於日本專利特開2009-274959號公報(專利文獻1)中記載有如下情況:於具備含有聚矽氧系黏著劑作為黏著基劑之黏著劑層之貼附劑中,藉由將極性聚矽氧油調配於黏著劑層中,而經聚矽氧處理之剝離襯墊之剝離性提昇。
專利文獻1:日本專利特開2009-274959號公報
然而,關於黏著劑層之組成,通常而言,與其說由與剝離襯墊之剝離性決定,倒不如說由對皮膚之附著性、或此時應含有之藥物之經皮吸收性(皮膚滲透性)或經時穩定性等觀點決定,於基於此種觀點而決定了黏著劑層之基本組成後鑒於與襯墊之剝離性而變更基本組成時,產生新問題之風險較高且變更較為困難。又,剝離襯墊之剝離性容易隨時間變差,因此要求不變更黏著劑層之基本組成而隨時間穩定地維持適度之剝離性。
近年來,根據各種藥物,而開發有具備含有丙烯酸酯系黏著劑或橡膠系黏著劑作為黏著基劑之黏著劑層之貼附劑,本發明者等人發現:若可不變更該等黏著劑層之基本組成,在不會給對皮膚之附著性、或此時應含有之藥物之經皮吸收性(皮膚滲透性)或經時穩定性造成不良影響的情況下將與剝離襯墊之剝離性調節為適度之範圍,進而可隨時間穩定地維持適度之剝離性,則非常有用。
本發明係鑒於此種課題而完成者,其目的在於提供一種可不變更含有丙烯酸酯系黏著劑或橡膠系黏著劑作為黏著基劑之黏著劑層之基本組成,在不會給對皮膚之附著性或此時應含有之藥物之經皮吸收性(皮膚滲透性)或經時穩定性造成不良影響的情況下一面將與剝離襯墊之剝離性調節為適度之範圍,一面隨時間穩定地維持適度之剝離性之貼附劑。
本發明者等人為了達成上述目的而反覆進行銳意研究,結果發現,藉由於具有含有丙烯酸酯系黏著劑或橡膠系黏著劑作為黏著基劑之黏著劑層之貼附劑中含有0.3~5質量%之於25℃下之動黏度為10~
350cSt之無官能性聚矽氧油,而可在不會給對皮膚之附著性或此時應含有之藥物之經皮吸收性(皮膚滲透性)或經時穩定性造成不良影響之情況下一面將剝離襯墊自黏著劑層之剝離性調節為適度之範圍,一面隨時間穩定地維持適度之剝離性,以至完成本發明。
即,本發明之貼附劑係於支持體之至少一面上積層黏著劑層及剝離襯墊而成者,且上述黏著劑層為含有選自由丙烯酸酯系黏著劑及橡膠系黏著劑所組成之群中之至少一種作為黏著基劑者,且於該黏著劑層中調配有0.3~5質量%之於25℃下之動黏度為10~350cSt之無官能性聚矽氧油。
又,於本發明之貼附劑中,較佳為於上述黏著劑層中進而調配有藥物。
進而,於本發明之貼附劑中,較佳為上述無官能性聚矽氧油為選自由二甲基聚矽氧烷及甲基苯基聚矽氧烷所組成之群中之至少一種。
於本發明之貼附劑中,較佳為於上述黏著劑層中進而調配有選自由液態石蠟、液狀聚丁烯、棕櫚酸異丙酯、肉豆蔻酸異丙酯、癸二酸二乙酯及月桂酸己酯所組成之群中之至少一種作為塑化劑。
又,於本發明之貼附劑中,較佳為於上述黏著劑層中進而調配有選自由碳鏈數6~20之脂肪酸及碳鏈數6~20之脂肪族醇所組成之群中之至少一種作為經皮吸收促進劑。
進而,於本發明之貼附劑中,較佳為於上述黏著劑層中進而調配有選自由氫化松香之甘油酯、脂環族飽和烴樹脂、脂肪族系烴樹脂及萜烯樹脂所組成之群中之至少一種作為黏著賦予劑。
於本發明之貼附劑中,更佳為上述黏著基劑為丙烯酸酯系共聚物,且於上述黏著劑層中進而調配有液狀脂肪酸酯類及碳鏈數6~20之脂肪酸。
又,於本發明之貼附劑中,更佳為上述黏著基劑為苯乙烯-異戊二烯-苯乙烯嵌段共聚物及聚異丁烯,且於上述黏著劑層中進而調配有脂環族飽和烴樹脂、石油系油、液狀脂肪酸酯類及碳鏈數6~20之脂肪族醇。
根據本發明,於支持體上積層黏著劑層及剝離襯墊而成之貼附劑可不變更含有丙烯酸酯系黏著劑或橡膠系黏著劑作為黏著基劑之黏著劑層之基本組成,在不會給對皮膚之附著性或此時應含有之藥物之經皮吸收性(皮膚滲透性)或經時穩定性造成不良影響之情況下一面將與剝離襯墊之剝離性調節為適度之範圍,一面隨時間穩定地維持適度之剝離性。
以下,根據本發明之較佳之實施形態而詳細地說明本發明。
本發明之貼附劑係由支持體、積層於其至少一面上之黏著劑層、及被覆黏著劑層之與支持體相反側之面之剝離襯墊所構成。
上述支持體只要為通常用於貼附劑之支持體,則無特別限定,但作為材質,較佳地使用聚對苯二甲酸乙二酯(PET)、聚對苯二甲酸丁二醇酯、聚萘二甲酸乙二酯等聚酯;聚乙烯、聚丙烯等聚烯烴;尼龍;聚碳酸酯;鋁等金屬。
關於上述支持體,較佳地使用膜狀、棉布狀、箔狀、多孔質片狀等形態者、或積層有該等之形態者。
於本發明之貼附劑中,於上述支持體之至少一面積層有黏著劑層,本發明之黏著劑層係含有選自由丙烯酸酯系黏著劑及橡膠系黏著劑所組成之群中之至少一種作為黏著基劑者,且調配有0.3~5質量%
之於25℃下之動黏度為10~350cSt之無官能性聚矽氧油。
作為本發明之丙烯酸酯系黏著劑,只要為通常用作貼附劑之黏著基劑之丙烯酸酯系黏著劑,則無特別限定,可為1種或2種以上之(甲基)丙烯酸烷基酯之均聚物或共聚物,亦可為(甲基)丙烯酸烷基酯與該等以外之共聚單體成分之共聚物。
作為上述(甲基)丙烯酸烷基酯,例示有(甲基)丙烯酸丁酯、(甲基)丙烯酸異丁酯、(甲基)丙烯酸己酯、(甲基)丙烯酸2-乙基己酯、(甲基)丙烯酸辛酯、(甲基)丙烯酸異辛酯、(甲基)丙烯酸癸酯等,就黏著物性之觀點而言,較佳為(甲基)丙烯酸2-乙基己酯、(甲基)丙烯酸辛酯,更佳為(甲基)丙烯酸2-乙基己酯。
又,作為上述共聚單體成分,例示有(甲基)丙烯酸2-羥基乙酯、(甲基)丙烯酸、乙烯、丙烯、苯乙烯、乙酸乙烯酯、N-乙烯基-吡咯啶酮、丙烯醯胺等,就有保持黏著劑之凝聚力,藥物之溶解性與皮膚滲透性變得更加良好之傾向之觀點而言,較佳為(甲基)丙烯酸2-羥基乙酯、乙酸乙烯酯、N-乙烯基-吡咯啶酮。上述共聚單體成分可單獨使用1種,或亦可組合2種以上使用。
作為本發明之丙烯酸酯系黏著劑,就有保持黏著劑之凝聚力,藥物之溶解性與皮膚滲透性變得更加良好之傾向之觀點而言,較佳為丙烯酸酯-乙酸乙烯酯共聚物、丙烯酸2-乙基己酯-乙烯基吡咯啶酮共聚物等丙烯酸酯系共聚物,更佳為具有醇性羥基之丙烯酸酯-乙酸乙烯酯共聚物。此種丙烯酸酯系黏著劑可單獨使用1種,或亦可組合2種以上使用。作為丙烯酸酯系黏著劑之具體例,例示有DURO-TAK 87-2516、DURO-TAK 87-4287、DURO-TAK 87-2287(商品名,Henkel公司製造)等。
作為本發明之橡膠系黏著劑,只要為通常用作貼附劑之黏著基劑之橡膠系黏著劑,則無特別限定,例示有苯乙烯-異戊二烯-苯乙烯
嵌段共聚物(SIS)、異戊二烯橡膠、聚異丁烯(PIB)、苯乙烯-丁二烯-苯乙烯嵌段共聚物(SBS)、苯乙烯-丁二烯橡膠(SBR)、天然橡膠等,就有橡膠系黏著劑之黏著物性與藥物之溶解性變得更加良好之傾向之觀點而言,較佳為SIS、PIB。此種橡膠系黏著劑可單獨使用1種,或亦可組合2種以上使用。作為橡膠系黏著劑之具體例,例示有:Oppanol B12、B15、B50、B80、B100、B120、B150、B220(商品名,BASF公司製造);JSR BUTYL065、268、365(商品名,JSR公司製造);Vistanex LM-MS、MH、H、MML-80、100、120、140(商品名,Exxon Chemical公司製造);HYCAR(商品名,Goodrich公司製造);SIBSTAR T102(商品名,Kaneka公司製造)等。
於本發明之黏著劑層中,作為黏著基劑含有之選自由丙烯酸酯系黏著劑及橡膠系黏著劑所組成之群中之至少一種之調配量並無特別限定,以黏著劑層之總質量(對黏著基劑進行固形物成分換算)為基準,較佳為20~99質量%,更佳為30~95質量%。
於本發明之含有上述黏著基劑之黏著劑層中,藉由調配0.3~5質量%之於25℃下之動黏度為10~350cSt之無官能性聚矽氧油,而該無官能性聚矽氧油作為剝離性提昇劑發揮作用,而一面將下述之與剝離襯墊之剝離性調節為適度之範圍,一面隨時間穩定地維持適度之剝離性。
此種無官能性聚矽氧油係主鏈包含矽氧烷鍵(Si-O-Si)之油狀物質,且意指聚乙二醇鏈或羥基等極性官能基或反應性官能基(胺基、環氧基、甲醇基、羧基、巰基等)未被導入至支鏈或末端之非反應性聚矽氧油。
作為本發明中所使用之無官能性聚矽氧油,可列舉:二甲基聚矽氧烷、甲基乙基聚矽氧烷等烷基聚矽氧烷;甲基苯基聚矽氧烷等烷基芳基聚矽氧烷;甲基氫聚矽氧烷等烷基氫聚矽氧烷等,就有與藥物
之交互作用變得更少之傾向之觀點而言,較佳為二甲基聚矽氧烷、甲基乙基聚矽氧烷、甲基苯基聚矽氧烷等,更佳為二甲基聚矽氧烷、甲基苯基聚矽氧烷等,尤佳為二甲基聚矽氧烷。此種二甲基聚矽氧烷亦稱為甲基聚矽氧烷或矽靈(dimethicone),係下式之結構式所表示之油狀物質。
作為無官能性聚矽氧油,使用有黏性較小(分子量較小)者至黏性較高(分子量較大)者等以醫藥、化妝用原料之形式具有各種黏性者,但於本發明中,必須使用於25℃下之動黏度為10~350cSt之範圍內者。若使用於25℃下之動黏度未達10cSt者,則產生如下問題,即成為剝離襯墊過於容易地自黏著劑層剝離之狀態,而於貼附劑之製造時或保存時剝離襯墊偏離黏著劑層,而無法充分謀求利用剝離襯墊保護黏著劑層。另一方面,若使用於25℃下之動黏度超過350cSt者,則產生如下問題,即無法充分提昇與剝離襯墊之剝離性,剝離性隨時間變差而剝離襯墊變得難以自黏著劑層剝離,從而將貼附劑貼附於皮膚時變得難以使用。
再者,就可一面將與剝離襯墊之剝離性調節為更適度之範圍,一面隨時間更穩定地維持適度之剝離性之觀點而言,較佳為使用於25℃下之動黏度為15~300cSt之範圍內者,更佳為使用於25℃下之動黏度為20~250cSt之範圍內者。
又,本說明書中所謂「動黏度」,意指於25℃下使用例如毛細管
黏度計(烏式黏度計,坎農-芬斯克式等)而測得者。
於本發明之貼附劑中,必須以黏著劑層之總質量(對黏著基劑進行固形物成分換算)為基準,調配0.3~5質量%之上述無官能性聚矽氧油。若上述無官能性聚矽氧油之調配量未達0.3質量%,則產生如下問題,即無法充分提昇與剝離襯墊之剝離性,剝離性隨時間變差而剝離襯墊變得難以自黏著劑層剝離,從而將貼附劑貼附於皮膚時變得難以使用。另一方面,若上述無官能性聚矽氧油之調配量超過5質量%,則產生如下問題,即黏著劑層過度塑化而於黏著劑層之表面發生液體成分滲出(滲出),而對皮膚之附著性降低。進而若上述無官能性聚矽氧油之調配量超過5質量%,則產生如下問題,即成為剝離襯墊過於容易地自黏著劑層剝離之狀態,而於貼附劑之製造時或保存時剝離襯墊偏離黏著劑層,從而無法充分謀求利用剝離襯墊保護黏著劑層。
再者,就可一面更確實地防止滲出之發生一面將與剝離襯墊之剝離性調節為適度之範圍,並非可隨時間穩定地維持適度之剝離性之觀點而言,上述無官能性聚矽氧油之調配量以黏著劑層之總質量(對黏著基劑進行固形物成分換算)為基準,較佳為0.3~4質量%,更佳為0.3~3質量%。
於本發明中,於25℃下之動黏度為10~350cSt之無官能性聚矽氧油使剝離襯墊之剝離性提昇之原因並不明確,但本發明者等人推測其原因在於:藉由上述動黏度之無官能性聚矽氧油存在於黏著劑層中,而獲得如下特異性效果,即隨時間穩定地減少剝離襯墊與黏著劑層之間之交界面之過度黏著力。
於本發明之貼附劑中,較佳為於上述黏著劑層中進而調配有藥物(生理活性成分),亦可根據所使用之藥物而適當地調配用於該藥物等之助溶劑。
於本發明中,作為較佳地調配於上述黏著劑層中之藥物,只要
為被經皮吸收至體內而發揮生理活性者即可,並無特別限定。作為此種藥物,例示有:非類固醇性消炎止痛劑(雙氯芬酸、吲哚美辛、酮洛芬、聯苯乙酸、氯索洛芬、布洛芬、氟比洛芬、噻洛芬、阿西美辛、舒林酸、依託度酸、托美汀、吡羅昔康、美洛昔康、安吡昔康、萘普生、阿紮丙酮(Azapropazone)、水楊酸甲酯、水楊酸乙二醇酯、伐地昔布、塞來昔布、羅非昔布、氨芬酸等)、抗組織胺劑(苯海拉明、氯芬尼拉明、過敏美奎錠、高氯環嗪(Homochlorcyclizine)等)、降血壓劑(地爾硫卓、尼卡地平、尼伐地平、美托洛爾、比索洛爾、群多普利等)、抗帕金森劑(培高利特、溴麥角環肽、羅匹尼洛、希利治林等)、支氣管擴張劑(妥洛特羅、異丙腎上腺素、沙丁胺醇等)、抗過敏劑(可多替芬、氯雷他定、氮卓斯汀、特芬那定、西替利嗪、阿紮司特等)、局部麻醉劑(利多卡因、狄布卡因等)、麻藥系止痛劑(嗎啡等)、泌尿器官用劑(奧昔布寧、他蘇洛辛等)、精神神經用劑(丙嗪、氯丙嗪等)、類固醇激素劑(雌二醇、黃體素、炔諾酮、可體松、氫化可體松等)、抗憂鬱劑(舍曲林、氟西汀、帕羅西汀、西酞普蘭等)、抗癡呆藥(多奈哌齊、利培酮、利凡斯的明、加蘭他敏、艾地苯醌(Idebenone)等)、祛痰藥(安布索等)、抗焦慮藥(坦度螺酮(Tandospirone)等)、抗精神病藥(奧氮平等)、中樞神經興奮劑(哌醋甲酯等)、骨質疏鬆症治療藥(雷洛昔芬、阿侖膦酸鹽等)、防乳腺癌藥(他莫昔芬等)、抗肥胖藥(馬吲哚、西布曲明等)、失眠症改善藥(褪黑激素等)、抗風濕藥(阿他利特等)。
上述藥物可單獨使用1種,或亦可組合2種以上使用。又,上述藥物亦可為藥學上所容許之鹽之形態。進而,上述藥物之調配量並無特別限定,係視其目的而適當地調配,但通常而言,以黏著劑層之總質量(對黏著基劑進行固形物成分換算)為基準,較佳為0.1~70質量%,更佳為1~50質量%,進而較佳為3~30質量%。
於本發明之貼附劑中,亦可於上述黏著劑層中進而調配黏著賦予劑、塑化劑、經皮吸收促進劑、填充劑、穩定劑等添加成分。
於本發明中,作為可調配於上述黏著劑層中之黏著賦予劑,只要為通常用於貼附劑之黏著賦予劑即可,並無特別限定,例示有:松香、松香之甘油酯、氫化松香、氫化松香之甘油酯、松香之季戊四醇酯等松香衍生物;Arkon P100(商品名,荒川化學工業)等脂環族飽和烴樹脂;Quintone B170(商品名,日本瑞翁)等脂肪族系烴樹脂;Clearon P-125(商品名,Yasuhara Chemical)等萜烯樹脂;順丁烯二酸共聚樹脂等。該等中,較佳為氫化松香之甘油酯、脂環族飽和烴樹脂、脂肪族系烴樹脂、萜烯樹脂。
上述黏著賦予劑可單獨使用1種,或亦可組合2種以上使用。藉由含有此種黏著賦予劑,而有所獲得之黏著劑層之接著性更為提昇,可穩定地維持其他各種物性之傾向。上述黏著賦予劑之調配量並無特別限定,通常而言,以黏著劑層之總質量(對黏著基劑進行固形物成分換算)為基準,較佳為70質量%,更佳為10~60質量%。
於本發明中,作為可調配於上述黏著劑層中之塑化劑,係視所使用之黏著基劑而適當地調配,並無特別限定,例示有:石蠟油(液態石蠟)、環烷油、芳香族油等石油系油;角鯊烷、角鯊烯等動物油;橄欖油、山茶油、蓖麻油、妥爾油、花生油等植物系油;鄰苯二甲酸二丁酯、鄰苯二甲酸二辛酯等二元酸酯;聚丁烯(液狀聚丁烯)、液狀異戊二烯橡膠等液狀橡膠;棕櫚酸異丙酯、肉豆蔻酸異丙酯、月桂酸己酯、癸二酸二乙酯、癸二酸二異丙酯等液狀脂肪酸酯類;二乙二醇;聚乙二醇;水楊酸乙二醇酯;丙二醇;二丙二醇;甘油三乙酸酯;檸檬酸三乙酯;克羅米通等。該等中,較佳為液態石蠟、液狀聚丁烯、棕櫚酸異丙酯、肉豆蔻酸異丙酯、癸二酸二乙酯、月桂酸己酯,尤佳為液狀聚丁烯、棕櫚酸異丙酯、肉豆蔻酸異丙酯、液態石
蠟。
上述塑化劑可單獨使用1種,或亦可組合2種以上使用。上述塑化劑之調配量並無特別限定,通常而言,以黏著劑層之總質量(對黏著基劑進行固形物成分換算)為基準,較佳為60質量%以下,更佳為0.5~50質量%,進而較佳為1~40質量%,尤佳為2~30質量%。
於本發明中,作為可調配於上述黏著劑層中之經皮吸收促進劑,係視所使用之藥物而適當地調配,並無特別限定。作為此種經皮吸收促進劑,例示有:有機酸類、碳鏈數6~20之脂肪酸、碳鏈數6~20之脂肪族醇、碳鏈數6~20之脂肪酸酯、醯胺、醚類、芳香族系有機酸、芳香族系醇、芳香族系有機酸酯及醚(以上可為飽和、不飽和中之任一種,又,亦可為環狀、直鏈狀、分支狀中之任一種)、乳酸酯類、乙酸酯類、單萜系化合物、倍半萜系化合物、氮酮(Azone)、氮酮(Azone)衍生物、1-[2-(癸硫基)乙基]吡咯啶-2-酮(Pyrrothiodecane)、甘油脂肪酸酯類、丙二醇脂肪酸酯類、山梨醇酐脂肪酸酯類、聚山梨糖醇酯類、聚乙二醇脂肪酸酯類、聚氧乙烯氫化蓖麻油類、聚氧乙烯烷基醚類、蔗糖脂肪酸酯類、植物油等。就有藥物之溶解性較高,更確實地防止結晶析出之傾向之觀點而言,較佳為碳鏈數6~20之脂肪酸、碳鏈數6~20之脂肪族醇,更佳為碳鏈數6~20之脂肪酸。
作為此種經皮吸收促進劑,具體而言,例示有:月桂酸、肉豆蔻酸、棕櫚酸、硬脂酸、異硬脂酸、油酸、亞麻油酸、次亞麻油酸、月桂醇、肉豆蔻醇、油醇、異硬脂酸醇、鯨蠟醇、辛基十二烷醇、月桂酸甲酯、月桂酸己酯、月桂酸二乙醇胺、肉豆蔻酸異丙酯、肉豆蔻酸肉豆蔻酯、肉豆蔻酸辛基十二烷基酯、棕櫚酸鯨蠟酯、水楊酸甲酯、乙二醇水楊酸酯、檸檬酸三乙酯、乳酸鯨蠟酯、乳酸月桂酯、乙酸乙酯、乙酸丙酯、香葉草醇、瑞香草酚、丁香酚、松脂醇、l-薄荷
腦、冰片、d-檸檬烯、異丁香酚、異冰片、橙花醇、dl-樟腦、甘油單辛酸酯、甘油單癸酸酯、甘油單月桂酸酯、甘油單油酸酯、山梨糖醇酐單月桂酸酯、蔗糖單月桂酸酯、聚山梨糖醇酯20、丙二醇、丙二醇單月桂酸酯、聚乙二醇單月桂酸酯、聚乙二醇單硬脂酸酯、聚氧乙烯月桂醚、聚山梨醇酯20、聚山梨糖醇酯60、聚山梨醇酯80、1-[2-(癸硫基)乙基]吡咯啶-2-酮(Pyrrothiodecane)、橄欖油等。
上述經皮吸收促進劑可單獨使用1種,或亦可組合2種以上使用。上述經皮吸收促進劑之調配量並無特別限定,通常而言,以黏著劑層之總質量(對黏著基劑進行固形物成分換算)為基準,較佳為30質量%以下,更佳為0.5~15質量%,進而更佳為2~10質量%。
於本發明中,作為可調配於上述黏著劑層中之穩定劑,係視所使用之藥物、其他添加成分而適當地調配,並無特別限定,例示有:抗氧化劑(生育酚衍生物、抗壞血酸衍生物、異抗壞血酸衍生物、正二氫愈創酸、沒食子酸衍生物、二丁基羥基甲苯(BHT)、丁基羥基甲氧苯、焦亞硫酸鈉、亞硫酸鈉等)、紫外線吸收劑(咪唑衍生物、苯并三唑衍生物、對胺基苯甲酸衍生物、鄰胺苯甲酸衍生物、水楊酸衍生物、桂皮酸衍生物、二苯甲酮衍生物、香豆素酸衍生物、樟腦衍生物等)等。
又,於本發明中,作為可調配於上述黏著劑層中之填充劑,並無特別限定,例示有:碳酸鈣、碳酸鎂、矽酸鹽、纖維素衍生物(羥丙基纖維素、羥丙基甲基纖維素、羧甲基纖維素等)等。
再者,本發明之貼附劑中之上述黏著劑層之厚度並無特別限定,通常而言,較佳為50~500μm,更佳為50~300μm。
於本發明之貼附劑中,上述黏著劑層之與支持體相反側之面由剝離襯墊被覆。此種剝離襯墊係用於被覆黏著劑層而加以保護之剝離膜,只要為通常用於貼附劑之剝離襯墊即可,並無特別限定。作為此
種剝離襯墊,例示有:聚酯(聚對苯二甲酸乙二酯、聚萘二甲酸乙二酯、聚對苯二甲酸丁二醇酯等)、聚烯烴(聚乙烯、聚丙烯等)等樹脂膜、紙、纖維素衍生物等材質,較佳為將聚矽氧、鐵氟龍(註冊商標)等塗佈於抵接於黏著劑層之面而實施過脫模處理者,尤其是可較佳地使用經聚矽氧處理之聚對苯二甲酸乙二酯膜。
作為本發明之貼附劑之製造方法,除於獲得上述黏著劑層時調配上述無官能性聚矽氧油外,並無特別限定,可藉由通常之貼附劑之製造方法(溶劑法、熱熔法等)而獲得本發明之貼附劑。例如,將上述之無官能性聚矽氧油、黏著基劑、藥物(生理活性成分)、添加成分等混合於有機溶劑中而使該等溶解,將所獲得之黏著劑溶液塗佈於剝離襯墊上後,將溶劑乾燥去除,於所形成之黏著劑層之上積層支持體,將所獲得之貼附劑片適當地剪裁,藉此可獲得本發明之貼附劑。
以下,基於實施例及比較例而對本發明更具體地進行說明,但本發明並不限定於以下之實施例。
(實施例1~2及比較例1~12)
使用下述之表1及表2所示之剝離性提昇劑(無官能性聚矽氧油、極性聚矽氧油、聚乙烯吡咯啶酮、氧化鋅、甘氨酸鋁、膨潤土、高嶺土、滑石)、黏著基劑(丙烯酸酯系共聚物)、添加成分(棕櫚酸異丙酯(塑化劑)、油酸(經皮吸收促進劑)),並以成為下述之表1及表2所示之組成之方式稱量各成分,進行混合而獲得黏著劑溶液。繼而,將所獲得之黏著劑溶液塗佈於剝離襯墊(藉由聚矽氧對表面進行過脫模處理之PET膜)上,將溶劑乾燥去除而形成黏著劑層(所獲得之黏著劑層之厚度為100g/m2)。其次,於黏著劑層之上積層支持體(PET膜),進行剪裁而獲得貼附劑。其後,將所獲得之貼附劑密封於包含鋁層壓膜之包裝袋中並進行包裝。
再者,表1及表2中之調配量係以黏著劑層之總質量為基準之調配量(質量%),且係對黏著基劑進行固形物成分換算而獲得之調配量。又,表1及表2中之空欄係表示為0(零)。
使用所獲得之各貼附劑,利用下述之方法進行「剝離襯墊之剝離性試驗」及「防滲出性試驗」。將所獲得之結果示於表3及表4。
針對密封於上述包裝袋中之前之各貼附劑(初期)、及將密封於上述包裝袋中之各貼附劑於60℃之腔室內保存1週後打開包裝袋而取出之各貼附劑(60℃/1W),基於以下之基準對自貼附劑去除剝離襯墊時之剝離容易性(剝離所需要之力之強度)進行評價。
1:剝離襯墊偏離黏著劑層(不合格)
2:可以較輕之力剝離,但存在剝離襯墊偏離黏著劑層之情況(不合格)
3:剝離襯墊未偏離黏著劑層,且可以適度之力剝離(合格)
4:剝離襯墊未偏離黏著劑層,但剝離需要稍強之力(準合格)
5:剝離襯墊未偏離黏著劑層,但剝離需要非常強之力(不合格)。
針對密封於上述包裝袋中之前之各貼附劑(初期)、及將密封於上述包裝袋中之各貼附劑於60℃之腔室內保存1週後打開包裝袋而取出之各貼附劑(60℃/1W),自貼附劑去除剝離襯墊。基於以下之基準,對液體是否滲出至各貼附劑之表面進行評價。
A:未觀察到滲出(合格)
B:觀察到少許滲出(準合格)
C:觀察到明顯之滲出(不合格)。
根據表3及表4所示之結果明確可知,調配有本發明之無官能性聚矽氧油之實施例1、2中所獲得之貼附劑未發生滲出,且發現剝離性之提昇,尤其是關於實施例1之貼附劑,確認到其一面具有適度之剝離襯墊之剝離性,一面隨時間穩定地維持適度之剝離性。
另一方面,關於未調配有剝離性提昇劑之比較例1中所獲得之貼附劑,其剝離性隨時間變差而剝離襯墊變得非常難以剝離,又,關於調配有先前之剝離性提昇劑之比較例2、3、5、7~9中所獲得之貼附劑,該等之剝離性隨時間變差而基本上未發現剝離性之提昇,進而,即便為增加了先前之剝離性提昇劑之調配量之比較例4、6中所獲得之貼附劑,該等之剝離性亦隨時間變差而基本上未發現剝離性之提昇。
又,關於調配有動黏度較本發明之無官能性聚矽氧油高者之比較例10中所獲得之貼附劑、或調配有具有極性官能基之聚矽氧油之比較例11、12中所獲得之貼附劑,該等之剝離性隨時間變差而基本上未發現剝離性之提昇。
(實施例3及比較例13)
使用下述之表5所示之剝離性提昇劑(無官能性聚矽氧油)、黏著基劑(苯乙烯-異戊二烯-苯乙烯嵌段共聚物、聚異丁烯)、添加成分(脂環族飽和烴樹脂(黏著賦予劑)、液態石蠟(塑化劑)、棕櫚酸異丙酯(塑化劑)、辛基十二烷醇(經皮吸收促進劑)),並以成為下述之表5所示之組成之方式稱量各成分,使上述各成分溶解於溶劑(甲苯)中而獲得黏
著劑溶液,使用該黏著劑溶液,除此以外,以與實施例1相同之方式獲得貼附劑並密封於包裝袋中。再者,表5中之調配量亦係以黏著劑層之總質量為基準之調配量(質量%),且係對黏著基劑進行固形物成分換算而獲得之調配量。
使用所獲得之各貼附劑,利用上述之方法進行「剝離襯墊之剝離性試驗」及「防滲出性試驗」,將所獲得之結果示於表6。
根據表6所示之結果明確可知,調配有本發明之無官能性聚矽氧油之實施例3中所獲得之貼附劑未發生滲出,且發現剝離性之提昇,並確認到一面具有適度之剝離襯墊之剝離性,一面隨時間穩定地維持適度之剝離性。另一方面,未調配有剝離性提昇劑之比較例13中所獲得之貼附劑係剝離性隨時間變差而剝離襯墊變得非常難以剝離者。
(實施例4~8及比較例14~15)
使用下述之表7所示之剝離性提昇劑(無官能性聚矽氧油)、黏著基劑(丙烯酸酯系共聚物)、添加成分(棕櫚酸異丙酯(塑化劑)、油酸(經皮吸收促進劑)),並以成為下述之表7所示之組成之方式稱量各成分,進行混合而獲得黏著劑溶液,使用該黏著劑溶液,除此以外,以與實施例1相同之方式獲得貼附劑並密封於包裝袋中。再者,表7中之調配量亦係以黏著劑層之總質量為基準之調配量(質量%),且係對黏著基劑進行固形物成分換算而獲得之調配量。
使用所獲得之各貼附劑,利用上述之方法進行「剝離襯墊之剝離性試驗」及「防滲出性試驗」,將所獲得之結果示於表8。
根據表8所示之結果明確可知,以成為本發明所規定之調配量之方式調配有本發明之無官能性聚矽氧油之實施例4~8中所獲得之貼附劑未發生滲出(實施例8中所獲得之貼附劑稍微發生滲出),且發現剝離性之提昇,並確認到一面具有適度之剝離襯墊之剝離性,一面隨時間穩定地維持適度之剝離性。另一方面,關於無官能性聚矽氧油之調配量較本發明所規定之調配量少之比較例14中所獲得之貼附劑,雖發現其剝離性稍微提昇,但其剝離性隨時間變差而上述效果並不充分。又,關於無官能性聚矽氧油之調配量較本發明所規定之調配量多之比較例15中所獲得之貼附劑,其滲出之發生較為明顯,而對皮膚之附著性較差,進而存在剝離襯墊偏離黏著劑層之情況故而不合格。
(實施例9~12及比較例16)
使用下述之表9所示之剝離性提昇劑(無官能性聚矽氧油)、黏著基劑(丙烯酸酯系共聚物)、添加成分(棕櫚酸異丙酯(塑化劑)、油酸(經皮吸收促進劑)),並以成為下述之表9所示之組成之方式稱量各成分,進行混合而獲得黏著劑溶液,使用該黏著劑溶液,除此以外,以與實施例1相同之方式獲得貼附劑並密封於包裝袋中。再者,表9中之調配量亦係以黏著劑層之總質量為基準之調配量(質量%),且係對黏著基劑進行固形物成分換算而獲得之調配量。又,表9中之空欄係表示為0(零)。
使用所獲得之各貼附劑,利用上述之方法進行「剝離襯墊之剝離性試驗」及「防滲出性試驗」,將所獲得之結果示於表10。
根據表10所示之結果明確可知,調配有本發明之無官能性聚矽氧油之實施例1、2、9~12中所獲得之貼附劑未發生滲出,且發現剝離性之提昇,並確認到一面具有適度之剝離襯墊之剝離性,一面隨時間穩定地維持適度之剝離性。另一方面,關於調配有動黏度較本發明之無官能性聚矽氧油高者之比較例10中所獲得之貼附劑,其剝離性隨時間變差而基本上未發現剝離性之提昇。又,關於調配有動黏度較本發明之無官能性聚矽氧油低者之比較例16中所獲得之貼附劑,雖可以較輕之力剝離,但存在剝離襯墊偏離黏著劑層之情況故而不合格。
(實施例13~14及比較例17~18)
使用下述之表11所示之藥物(加蘭他敏)、剝離性提昇劑(無官能性聚矽氧油)、黏著基劑(丙烯酸酯系共聚物)、添加成分(棕櫚酸異丙酯(塑化劑)、油酸(經皮吸收促進劑)),並以成為下述之表11所示之組成之方式稱量各成分,進行混合而獲得黏著劑溶液,使用該黏著劑溶液,除此以外,與實施例1相同之方式獲得貼附劑並密封於包裝袋中。再者,表11中之調配量亦係以黏著劑層之總質量為基準之調配量(質量%),且係對黏著基劑進行固形物成分換算而獲得之調配量。
使用所獲得之各貼附劑,利用上述之方法進行「剝離襯墊之剝離性試驗」及「防滲出性試驗」,將所獲得之結果示於表12。
根據表12所示之結果明確可知,以成為本發明所規定之調配量之方式調配有本發明之無官能性聚矽氧油之實施例13~14中所獲得之貼附劑未發生滲出(實施例14中所獲得之貼附劑稍微發生滲出),且發現剝離性之提昇,並確認到一面具有適度之剝離襯墊之剝離性,一面隨時間穩定地維持適度之剝離性。另一方面,未調配無官能性聚矽氧油之比較例17中所獲得之貼附劑係剝離性隨時間變差而剝離襯墊變得非常難以剝離者。又,關於無官能性聚矽氧油之調配量較本發明所規定之調配量少之比較例18中所獲得之貼附劑,雖發現其剝離性稍微上升,但其剝離性隨時間變差而上述效果並不充分。
其次,使用實施例13中所獲得之各貼附劑,利用以下之方法進行「皮膚附著性試驗」、「經皮吸收性試驗」及「藥物經時穩定性試驗」,結果任一試驗之結果均無問題,從而確認本發明之貼附劑可在不會給對皮膚之附著性或此時所含有之藥物之經皮吸收性(皮膚滲透性)及經時穩定性造成不良影響之情況下一面將與剝離襯墊之剝離性調節為適度之範圍,一面隨時間穩定地維持適度之剝離性。
自剝離襯墊剝離各貼附劑,對將拇指壓抵於黏著劑層之表面後離開時之貼附劑之凝聚力、黏著力進行評價。又,將各貼附劑貼附於試驗用之人類皮膚(腹部)之角質層側,於32±1℃下保存3小時後剝離貼附劑,對此時之剝離阻力進行評價。
使用自7~10週齡之無毛小鼠摘取並去除了脂肪之皮膚(體側部)或自角質層側切割(皮刀)為約500μm左右之厚度之試驗用人類皮膚(腹部),將各貼附劑(3cm2)貼附於角質層側,以真皮側為受體層側,安裝於流通型擴散池。然後,對受體層側使用pH值7.4之磷酸鹽緩衝生理食鹽水,並以皮膚表面溫度成為32±1℃之方式使溫水於外周部循環。受體液之流速係設為2.5mL/小時之速度,取樣係每隔4小時進行,關於在各時間點所獲得之受體溶液,係準確地測量流量,並藉由高效液相層析法測定藥物濃度,根據流量及藥物濃度之測定值而算出各貼附劑之每小時之藥物透過速度。
將各貼附劑剪裁為6.25cm2之尺寸,而獲得用於試驗之樣品。將藉由對於溫度60℃、濕度75%之恆溫恆濕槽中保存了2週及1個月之各樣品進行測定而獲得之藥物之含量(Ni)、及初期樣品之測定中所獲得之藥物之含量(N0)之值代入下述式(1):Ri(%)=(Ni/N0)×100 (1)
所示之關係式中而獲得值(Ri),將該值(Ri)設為各樣品中之藥物於各條件下保管後之相對於初期之值(%)。
再者,藥物之含量係藉由以下之方法求出。即,首先,自貼附劑將剝離襯墊剝離,並投入至50mL之離心管中。其次,將作為提取液之鹽酸/甲醇溶液10mL添加至50mL之離心管中,振盪1小時。其次,添加內部標準物質(對羥基苯甲酸甲酯/(鹽酸/甲醇溶液)),利用水/甲醇溶液將其定容為50mL,振盪30分鐘。藉由高效液相層析法對所製備之各樣品進行分析,而求出藥物之含量。
(實施例15~32)
分別使用吲哚美辛(實施例15)、酮洛芬(實施例16)、聯苯乙酸(實
施例17)、水楊酸甲酯(實施例18)、水楊酸乙二醇酯(實施例19)、比索洛爾(實施例20)、培高利特(實施例21)、羅匹尼洛(實施例22)、妥洛特羅(實施例23)、可多替芬(實施例24)、利多卡因(實施例25)、奧昔布寧(實施例26)、他蘇洛辛(實施例27)、阿塞那平(實施例28)、雌二醇(實施例29)、利培酮(實施例30)、利凡斯的明(實施例31)、哌醋甲酯(實施例32)作為藥物,除此以外,以與實施例13相同之方式獲得各貼附劑,使用所獲得之各貼附劑,利用上述之方法進行「剝離襯墊之剝離性試驗」及「防滲出性試驗」。
其結果為,任一貼附劑均未發生滲出,且發現剝離性之提昇,並確認到一面具有適度之剝離襯墊之剝離性,一面隨時間穩定地維持適度之剝離性。
如以上所說明般,根據本發明,於支持體上積層黏著劑層及剝離襯墊而成之貼附劑可不變更含有丙烯酸酯系黏著劑或橡膠系黏著劑作為黏著基劑之黏著劑層之基本組成,在不會給對皮膚之附著性或此時應含有之藥物之經皮吸收性(皮膚滲透性)或經時穩定性造成不良影響之情況下一面將與剝離襯墊之剝離性調節為適度之範圍,一面隨時間穩定地維持適度之剝離性。
因此,本發明於開發具備含有丙烯酸酯系黏著劑或橡膠系黏著劑作為黏著基劑之黏著劑層之各種貼附劑時,作為不變更該等黏著劑層之基本組成而一面將與剝離襯墊之剝離性調節為適度之範圍一面隨時間穩定地維持適度之剝離性的技術非常有用。
Claims (6)
- 一種貼附劑,其係於支持體之至少一面上積層黏著劑層及剝離襯墊而成者,且上述黏著劑層為含有選自由丙烯酸酯系黏著劑及橡膠系黏著劑所組成之群中之至少一種作為黏著基劑者,於上述黏著劑層中調配有選自由液態石蠟、液狀聚丁烯、棕櫚酸異丙酯、肉豆蔻酸異丙酯、癸二酸二乙酯及月桂酸己酯所組成之群中之至少一種作為塑化劑,於上述黏著劑層中調配有選自由碳鏈數6~20之脂肪酸及碳鏈數6~20之脂肪族醇所組成之群中之至少一種作為經皮吸收促進劑,且於該黏著劑層中調配有0.3~3質量%之於25℃下之動黏度為20~250cSt之無官能性聚矽氧油。
- 如請求項1之貼附劑,其中於上述黏著劑層中進而調配有藥物。
- 如請求項1或2之貼附劑,其中上述無官能性聚矽氧油為選自由二甲基聚矽氧烷及甲基苯基聚矽氧烷所組成之群中之至少一種。
- 如請求項1或2之貼附劑,其中於上述黏著劑層中進而調配有選自由氫化松香之甘油酯、脂環族飽和烴樹脂、脂肪族系烴樹脂及萜烯樹脂所組成之群中之至少一種作為黏著賦予劑。
- 如請求項1或2之貼附劑,其中上述黏著基劑為丙烯酸酯系共聚物,且於上述黏著劑層中進而調配有液狀脂肪酸酯類及碳鏈數6~20之脂肪酸。
- 如請求項1或2之貼附劑,其中上述黏著基劑為苯乙烯-異戊二烯-苯乙烯嵌段共聚物及聚異丁烯,且於上述黏著劑層中進而調配有脂環族飽和烴樹脂、石油系油、液狀脂肪酸酯類及碳鏈數6~20之脂肪族醇。
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| CN101454007B (zh) * | 2006-07-14 | 2011-04-13 | 久光制药株式会社 | 贴剂 |
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2016
- 2016-02-22 US US15/554,923 patent/US10369116B2/en active Active
- 2016-02-22 WO PCT/JP2016/055010 patent/WO2016140087A1/ja not_active Ceased
- 2016-02-22 KR KR1020177027749A patent/KR101942677B1/ko active Active
- 2016-02-22 EP EP16758781.5A patent/EP3266451B1/en active Active
- 2016-02-22 JP JP2017503422A patent/JP6360614B2/ja active Active
- 2016-02-22 CN CN201680012491.9A patent/CN107427472B/zh active Active
- 2016-03-02 TW TW105106380A patent/TWI664265B/zh active
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| US20040142024A1 (en) * | 1999-07-27 | 2004-07-22 | Hisamitsu Pharmaceutical Co., Inc. | Patch formulation for external use |
| US7556823B2 (en) * | 2002-10-30 | 2009-07-07 | Mylan Pharmaceuticals, Inc. | Fentanyl suspension-based silicone adhesive formulations and devices for transdermal delivery of fentanyl |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101942677B1 (ko) | 2019-01-25 |
| CN107427472B (zh) | 2021-04-30 |
| WO2016140087A1 (ja) | 2016-09-09 |
| CN107427472A (zh) | 2017-12-01 |
| EP3266451B1 (en) | 2020-09-16 |
| KR20170120181A (ko) | 2017-10-30 |
| EP3266451A4 (en) | 2018-08-22 |
| TW201638265A (zh) | 2016-11-01 |
| US20180085323A1 (en) | 2018-03-29 |
| US10369116B2 (en) | 2019-08-06 |
| JPWO2016140087A1 (ja) | 2017-12-07 |
| EP3266451A1 (en) | 2018-01-10 |
| JP6360614B2 (ja) | 2018-07-18 |
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