TW202038922A - 皮膚黏貼用帶或片材 - Google Patents
皮膚黏貼用帶或片材 Download PDFInfo
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- TW202038922A TW202038922A TW108145482A TW108145482A TW202038922A TW 202038922 A TW202038922 A TW 202038922A TW 108145482 A TW108145482 A TW 108145482A TW 108145482 A TW108145482 A TW 108145482A TW 202038922 A TW202038922 A TW 202038922A
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- Prior art keywords
- skin
- sheet
- tape
- adhesive layer
- adhesion
- Prior art date
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Abstract
本發明係關於一種皮膚黏貼用帶或片材,其係具備基材、及積層於上述基材之至少單面之黏著劑層者,且上述黏著劑層含有:使包含(甲基)丙烯酸烷基酯單體與含烷氧基之乙烯性不飽和單體之單體混合物共聚而成之丙烯酸系共聚物、室溫下為液狀或糊狀之成分、及黏著賦予劑,上述黏著賦予劑包含松香酯類。
Description
本發明係關於一種皮膚黏貼用帶或片材。
皮膚黏貼用帶或片材係藉由黏貼於皮膚表面而保護皮膚表面,或用以將導管或醫療機器等固定於皮膚表面(例如,參照專利文獻1)。
[先前技術文獻]
[專利文獻]
專利文獻1:日本專利特開2007-209515號公報
[發明所欲解決之問題]
通常皮膚表面具有不規則且複雜之結構,因此想到藉由提高構成皮膚黏貼用帶或片材之黏著劑層之柔軟性來提高與皮膚表面之密接性。然而,若過度地提高黏著劑層之柔軟性,則黏著劑層之凝聚力降低,因此有於將皮膚黏貼用帶或片材自皮膚表面剝離去除時黏著劑殘留於皮膚表面之情形,而有成為糊劑殘留之原因之虞。
又,若於將皮膚黏貼用帶或片材黏貼於皮膚表面之狀態下長時間維持,則有因自皮膚所產生之汗等而使皮膚黏貼用帶或片材容易被剝離之情形。另一方面,若為了防止剝離而過高地設定皮膚黏貼用帶或片材之黏著力,則有於自皮膚表面剝離時於纖細之皮膚表面引起皮膚刺激或皮膚炎等之虞。
如上所述,皮膚黏貼用帶或片材必須保持黏著劑層之內部凝聚力或對皮膚之黏著力等絕妙之平衡性,但先前之皮膚黏貼用帶或片材之特性尚難以說到達充分等級。
鑒於上述情況,本發明之目的在於提供一種皮膚黏貼用帶或片材,其對於皮膚表面之黏貼性、尤其對入浴時或存在汗等水分之皮膚表面之黏貼性良好,於自皮膚表面剝離去除時可防止糊劑殘留或抓固破壞,可降低自皮膚表面剝離去除時之皮膚刺激,並且透濕性優異。
[解決問題之技術手段]
本發明者等人為了達成上述目的而反覆努力研究,結果發現:於在基材之至少單面積層黏著劑層而成之皮膚黏貼用帶或片材中,黏著劑層含有由特定之單體組成所獲得之丙烯酸系共聚物、室溫下液狀或糊狀之成分、及黏著賦予劑,且該黏著賦予劑包含松香酯類,藉此可對該黏著劑層賦予柔軟性及凝聚性,進而可獲得較高之透濕性,從而完成本發明。
基於上述見解之本發明係如下所述。
(1)一種皮膚黏貼用帶或片材,其係具備基材、及積層於上述基材之至少單面之黏著劑層者,且上述黏著劑層含有:使包含(甲基)丙烯酸烷基酯單體與含烷氧基之乙烯性不飽和單體之單體混合物共聚而成之丙烯酸系共聚物、室溫下為液狀或糊狀之成分、及黏著賦予劑,且上述黏著賦予劑包含松香酯類。
(2)如(1)記載之皮膚黏貼用帶或片材,其中上述室溫下為液狀或糊狀之成分包含羧酸酯。
(3)如(2)記載之皮膚黏貼用帶或片材,其中上述羧酸酯包含飽和脂肪酸之甘油酯。
(4)如(1)至(3)中任一項記載之皮膚黏貼用帶或片材,其中松香酯類之軟化點為50℃~160℃。
[發明之效果]
本發明之皮膚黏貼用帶或片材具有對於皮膚表面之優異之黏貼性、尤其具有對入浴時或存在汗等水分之皮膚表面之優異之黏貼性,並且於自皮膚表面剝離去除時可防止糊劑殘留或抓固破壞,可降低自皮膚表面剝離去除時之皮膚刺激。又,由於具有較高之透濕性,可抑制黏貼時之悶熱或發癢等,故而對於長時間之黏貼亦有用。
以下,對本發明之較佳實施形態進行說明,但本發明並不限定於該等具體之實施形態。
再者,於以下之圖式中,有時對發揮相同作用之構件、部位附上相同之符號來進行說明,有時省略或簡化重複之說明。又,關於圖式中記載之實施形態,為了明確地說明本發明而模式化,未必準確地表示實際之製品之尺寸或縮小比例。
本發明係於基材之至少單面積層黏著劑層而成之皮膚黏貼用帶或片材,其特徵在於:該黏著劑層含有:使包含(甲基)丙烯酸烷基酯單體與含烷氧基之乙烯性不飽和單體之單體混合物共聚而成之丙烯酸系共聚物、室溫下為液狀或糊狀之成分、及黏著賦予劑,且該黏著賦予劑包含松香酯類。
構成丙烯酸系共聚物之(甲基)丙烯酸烷基酯單體係對黏著劑層賦予對於皮膚之黏著性之成分,若使用烷基之碳數較佳為4以上、更佳為6~18之長鏈烷基酯,則有效果。又,包含丙烯酸系共聚物之黏著劑亦具有如下之優點:與橡膠系黏著劑相比雜質之混入較少,對皮膚之刺激性較少,即便長時間使用,亦不易產生黏著力之降低。
作為(甲基)丙烯酸烷基酯,例如可列舉:烷基為丁基、戊基、己基、庚基、辛基、2-乙基己基、壬基、異壬基、癸基、十一烷基、十二烷基、十三烷基等,其中,可較佳地使用2-乙基己基、異壬基。再者,該等可單獨使用或將兩者以上組合而使用,該等烷基酯鏈亦可為直鏈或支鏈之任一種。
含烷氧基之乙烯性不飽和單體係對丙烯酸系共聚物賦予水蒸氣透過性、即透濕性之成分。藉由對丙烯酸系共聚物甚至包含其之黏著劑層賦予透濕性,可抑制皮膚黏貼用帶或片材之黏貼時之悶熱或發癢等,即便對於長時間之黏貼亦有用。此種含烷氧基之乙烯性不飽和單體並無特別限定,例如可列舉:甲氧基聚乙二醇丙烯酸酯、乙氧基二乙二醇丙烯酸酯、丁氧基二乙二醇丙烯酸酯、丙烯酸甲氧基乙酯、丙烯酸乙氧基乙酯、丙烯酸丁氧基乙酯等具有碳數為1~4之烷氧基之丙烯酸烷氧基烷基酯,其中,可較佳地使用丙烯酸甲氧基乙酯。
本發明中之丙烯酸系共聚物較佳為進而使用由包含含羧基之乙烯性不飽和單體之單體混合物所獲得之丙烯酸系共聚物。藉由包含含羧基之乙烯性不飽和單體,可期待所獲得之共聚物之凝聚力之提高。此種含羧基之乙烯性不飽和單體並無特別限定,例如可列舉:(甲基)丙烯酸、伊康酸、丁烯酸、反丁烯二酸、順丁烯二酸(酐)等,其中,就共聚性或操作性等方面而言,可較佳地使用(甲基)丙烯酸。
本發明中之丙烯酸系共聚物除上述各單體以外,亦可視需要使苯乙烯、乙酸乙烯酯、N-乙烯基-2-吡咯啶酮等單體適宜共聚。
關於丙烯酸系共聚物中之(甲基)丙烯酸烷基酯單體之含量,上限較佳為80質量%,更佳為75質量%,下限較佳為40質量%,更佳為50質量%。若(甲基)丙烯酸烷基酯單體之含量為上述範圍內,則可更良好地獲得如下效果:顯示良好之皮膚黏貼性,於自皮膚剝離時不會於該皮膚產生糊劑殘留現象,具有優異之剝離性。
又,關於丙烯酸系共聚物中之含烷氧基之乙烯性不飽和單體之含量,上限較佳為60質量%,更佳為50質量%,下限較佳為10質量%,更佳為20質量%,進而較佳為25質量%。再者,於丙烯酸系共聚物中含有含羧基之乙烯性不飽和單體之情形時,關於含烷氧基之乙烯性不飽和單體之含量,上限較佳為50質量%,更佳為45質量%,下限較佳為10質量%,更佳為20質量%。若含烷氧基之乙烯性不飽和單體之含量為上述之範圍內,則可更良好地獲得如下效果:可對黏著劑層賦予優異之透濕性,於黏貼於皮膚表面時可抑制悶熱或瘙癢感等。
於在丙烯酸系共聚物中含有含羧基之乙烯性不飽和單體之情形時,關於含羧基之乙烯性不飽和單體之含量,上限較佳為10質量%,更佳為8質量%,下限較佳為1質量%,更佳為3質量%。若含羧基之乙烯性不飽和單體之含量為上述範圍內,則可更良好地獲得如下效果:可對黏著劑層賦予優異之凝聚力,可抑制糊劑殘留現象等,並且亦可抑制皮膚刺激性。
本發明中之丙烯酸系共聚物例如可藉由溶液聚合法、乳化聚合法、懸濁聚合法等公知之聚合方法而獲得。又,可藉由使用過氧化物系化合物或偶氮系化合物等自由基聚合起始劑進行自由基聚合而獲得。
丙烯酸系共聚物之玻璃轉移溫度較佳為設為250°K以下。即,藉由將玻璃轉移溫度設為250°K以下,而於將皮膚黏貼用帶或片材黏貼於皮膚表面時容易成為具有充分之皮膚接著性者。
又,丙烯酸系共聚物之對於分子量測定溶劑可溶分之重量平均分子量較理想為調整為較佳為50萬~250萬、更佳為60萬~200萬、進而較佳為60萬~100萬。再者,此處,重量平均分子量及分子量分佈係使用凝膠滲透層析法(GPC,Gel Permeation Chromatography)所測定之值,係使測定樣品溶解於四氫呋喃中,對通過0.45 μmϕ之膜濾器之可溶分進行測定,並藉由聚苯乙烯換算而算出。
丙烯酸系共聚物之玻璃轉移溫度或重量平均分子量之調整可適宜控制丙烯酸系共聚物之聚合條件(單體種類、單體之調配比、固形物成分比、反應溫度、反應時間等)而進行。
本發明中之黏著劑層含有室溫(25℃)下為液狀或糊狀之成分(以下,亦簡稱為「液狀或糊狀之成分」)。該成分賦予如下特性:對黏著劑層賦予柔軟性,保持對皮膚表面之良好之接著性,且於剝離時對皮膚角質層之損傷較少,而降低皮膚刺激。
此種室溫下為液狀或糊狀之成分只要為具有與丙烯酸系共聚物之親和性或相溶性者,則並無特別限定。例如可使用鄰苯二甲酸、順丁烯二酸、己二酸、辛酸、癸酸、月桂酸、肉豆蔻酸、棕櫚酸、硬脂酸、油酸或各種脂肪酸與烷基醇之酯類;上述各種酸與乙二醇、甘油等多元醇之酯類等。更具體而言,作為一元醇之酯,可列舉:鄰苯二甲酸二乙酯、鄰苯二甲酸二丁酯、鄰苯二甲酸二(2-乙基己基)酯、順丁烯二酸二丁酯、己二酸二丁酯、癸二酸二(2-乙基己基)酯、肉豆蔻酸乙酯、肉豆蔻酸異丙酯、肉豆蔻酸辛基十二烷基酯、棕櫚酸異丙酯、硬脂酸丁酯、異硬脂酸異丙酯、月桂酸己酯、乳酸鯨蠟酯、乳酸肉豆蔻酯、油酸辛基十二烷基酯、二甲基辛酸己基癸酯、2-乙基己酸鯨蠟酯、2-乙基己酸異鯨蠟酯、2-乙基己酸硬脂酯、丁二酸二辛酯等。又,作為二元以上之醇之酯,可列舉:二辛酸丙二醇酯、二癸酸丙二醇酯、二異硬脂酸丙二醇酯、單辛酸甘油酯、三辛酸甘油酯、三-2-乙基己酸甘油酯、三癸酸甘油酯、三月桂酸甘油酯、三異硬脂酸甘油酯、三油酸甘油酯、三-2-乙基己酸三羥甲基丙烷等。其中,就與丙烯酸系共聚物之良好之親和性、相溶性之觀點而言,可較佳地使用較佳為羧酸酯、更佳為甘油脂肪酸酯、進而較佳為飽和脂肪酸之甘油酯。該等成分可單獨使用或將兩種以上組合而使用。
關於黏著劑層中之室溫下為液狀或糊狀之成分之含量,相對於丙烯酸系共聚物100質量份,上限較佳為60質量份,更佳為50質量份,進而較佳為45質量份,下限較佳為5質量份,更佳為10質量份,進而較佳為15質量份。若該成分之含量為上述之範圍內,則可對黏著劑層賦予充分之柔軟性,故而可更良好地獲得如下效果:具有良好之皮膚黏貼性,並且可抑制自皮膚剝離時之物理性皮膚刺激,可實現良好之剝離性。
本發明中之黏著劑層進而含有黏著賦予劑,該黏著賦予劑包含松香酯類。藉由使黏著劑層包含松香酯類,可賦予對皮膚表面之優異之黏貼性、尤其於入浴時之優異之皮膚黏貼性。所謂松香酯類,可列舉:將未改性松香(例如,松脂膠、木松香、妥爾油松香等)藉由醇類進行酯化而成之松香之酯化合物;或將改性松香(將未改性松香藉由例如聚合、歧化、氫化等進行改性而成者(聚合松香、穩定松香、歧化松香、完全氫化松香、部分氫化松香、或經其他化學修飾之松香等))藉由醇類進行酯化而成之改性松香之酯化合物等。
作為於製備上述松香酯類時所使用之醇類,例如可較佳地使用乙二醇、二乙二醇、丙二醇、新戊二醇、1,3-丙二醇、1,4-丁二醇、1,3-丁二醇、1,6-己二醇等二元醇類;甘油、三羥甲基乙烷、三羥甲基丙烷、三羥乙基乙烷等三元醇類;季戊四醇、二甘油等四元醇類;二季戊四醇等六元醇類等多元醇類,亦可為甲醇、乙醇等一元醇類。又,作為醇類,亦可使用三乙醇胺、三丙醇胺、三異丙醇胺、N-異丁基二乙醇胺、N-正丁基二乙醇胺等胺基醇類。
上述松香酯類例如可列舉:Haritack PCJ(Harima Chemicals公司製造)、Haritack SE10(Harima Chemicals公司製造)、PENSEL D-125(荒川化學工業公司製造)、PENSEL D-135(荒川化學工業公司製造)、Super Ester A-100(荒川化學工業公司製造)、Super Ester A-115(荒川化學工業公司製造)、Super Ester A-125(荒川化學工業公司製造)等。
關於本發明中之松香酯類之軟化點,上限較佳為160℃,更佳為140℃,進而較佳為130℃,下限較佳為50℃,更佳為70℃,進而較佳為100℃,進而更佳為110℃。若松香酯類之軟化點為上述範圍內,則可實現對於皮膚表面較高之黏著力。再者,松香酯類之軟化點例如可依據JIS K 5601-2-2(環球法)進行測定。
關於黏著劑層中之松香酯類之含量,相對於丙烯酸系共聚物100質量份,上限較佳為50質量份,更佳為40質量份,進而較佳為30質量份,下限較佳為3質量份,更佳為5質量份,進而較佳為8質量份。若該成分之含量為上述範圍內,則可更良好地獲得如下效果:可實現對皮膚表面之較高黏著力及入浴時等水分浸入時之黏著力降低之抑制。
於本發明之皮膚黏貼用帶或片材中之黏著劑層中,亦可於不脫離本發明之目的之範圍內,視需要適宜調整本身公知之塑化劑或軟化劑、填充劑、穩定劑、抗氧化劑、抗菌劑、殺菌劑等各種添加劑。
對於本發明之黏著劑層,為了賦予適度之凝聚力,較佳為實施交聯處理。作為該交聯處理,除利用γ射線照射、電子束照射等物理處理之交聯處理以外,亦可列舉利用有機過氧化物、異氰酸酯化合物、有機金屬鹽、金屬醇化物、金屬螯合化合物、環氧系化合物、含一級胺基之化合物等之化學交聯處理。作為化學交聯處理之具體例,可列舉:過氧化苯甲醯等有機過氧化物、甲苯二異氰酸酯、六亞甲基二異氰酸酯等異氰酸酯化合物、甘油三縮水甘油醚、異氰尿酸三縮水甘油酯等環氧系化合物、三(乙醯丙酮酸)鋁、乙醯乙酸乙基鋁二異丙酯等金屬螯合化合物。該等中,就交聯反應性或操作容易性之方面而言,較佳為使用異氰酸酯化合物、金屬醇化物、金屬螯合化合物。藉由進行此種交聯處理,可較佳地調整黏著劑層之柔軟性與凝聚力等特性之平衡性,因此可更良好地抑制剝離時之糊劑殘留。
黏著劑層之厚度並無特別限定,可視本發明之皮膚黏貼用帶或片材之用途、或供黏貼之皮膚之適用部位等而適宜設定,例如關於黏著劑層之厚度,上限較佳為100 μm,更佳為80 μm,下限較佳為30 μm,更佳為50 μm。若黏著劑層之厚度為上述範圍內,則可更良好地獲得如下效果:於黏貼於皮膚時具有良好之皮膚接著性,並且可獲得優異之水蒸氣透過性,即便長時間黏貼,亦可極力抑制悶熱或瘙癢感等。
作為本發明中所使用之基材,只要為無損黏貼時之柔軟性且具有機械強度者,則並無特別限定,可使用包含各種材料之各種構造者。關於構造,可例示:織布、不織布、編織布、紙等纖維之聚集體類;多孔性膜、透氣性膜等膜類;及發泡體等片狀物。該等中,尤佳為具有容易適合於黏貼部位之曲面之適度伸縮性者。作為基材,可為片狀物單層,亦可為片狀物之積層體。關於材質,可列舉:聚醚胺基甲酸酯或聚酯胺基甲酸酯等聚胺基甲酸酯系聚合物、聚醚聚醯胺嵌段聚合物等醯胺系聚合物、聚丙烯酸酯等丙烯酸系聚合物、聚乙烯或聚丙烯、乙烯/乙酸乙烯酯共聚物等聚烯烴系聚合物、聚對苯二甲酸乙二酯等聚酯系聚合物等。
基材之厚度較佳為根據材質、用途等而適宜決定,但通常於以膜作為基材之情形時,厚度之上限較佳為100 μm,更佳為70 μm,厚度之下限較佳為3 μm,更佳為5 μm。又,於以織布或不織布等布帛或紙等作為基材之情形時,亦有難以測定絕對厚度之情形,因此基重之上限較佳為200 g/m2
,更佳為150 g/m2
,基重之下限較佳為5 g/m2
,更佳為10 g/m2
。又,於以發泡體作為基材之情形時,厚度之上限較佳為3000 μm,更佳為2000 μm,進而較佳為1000 μm,厚度之下限較佳為100 μm,更佳為200 μm,進而較佳為300 μm。
就防止皮膚黏貼用帶或片材黏貼於皮膚表面時之悶熱或發癢之方面而言,亦可於基材形成孔。形成於基材之孔可藉由實施金屬輥、穿孔機、雷射照射等公知之多孔化技術而容易地獲得。又,於本發明之皮膚黏貼用帶或片材中,作為於基材形成孔之方法,可於基材本身形成孔後積層黏著劑層,亦可於基材積層黏著劑層後形成孔。再者,於在基材積層黏著劑層後形成孔之情形時,形成貫通基材與黏著劑層之孔。
積層於基材之至少單面之黏著劑層可形成於基材之整個面,亦可局部地形成。於基材之局部形成黏著劑層之情形時,例如較佳為形成為點狀或條狀。於條狀之情形時,例如可列舉:直線狀或波浪狀等,但只要為作為水蒸氣等氣體之通氣管路發揮功能之空間、即條間空間得到確保,則亦可為任一形狀。其中,波浪狀由於黏貼於皮膚時之條間空間之截面面積之經時變化較少,故而較佳。
本發明之皮膚黏貼用帶或片材亦可以例如貼附於各種行動裝置(可穿戴裝置)或構成其之構件之態樣,較佳地用於該裝置或該構件之固定、接合、裝飾、保護、支持等用途。更具體而言,可使用皮膚黏貼用帶或片材,於皮膚上對行動裝置或構成其之構件等進行固定、接合、裝飾、保護、支持等。
於本發明之皮膚黏貼用帶或片材中,通常為了防止黏著劑層之表面之污染,預先藉由剝離襯墊被覆黏著劑層之露出表面直至使用為止。該剝離襯墊可使用通常皮膚或貼附於皮膚之黏著帶所使用者。具體而言,可使用於道林紙、玻璃紙、羊皮紙等之表面塗佈有聚矽氧樹脂或氟樹脂等具有剝離性能之剝離劑者;或於道林紙增黏塗佈有樹脂者、或層壓聚乙烯而成者等之表面塗佈有聚矽氧樹脂或氟樹脂等具有剝離性能之剝離劑者。
於圖1中表示具有剝離襯墊之皮膚黏貼用帶或片材之一態樣。本態樣之皮膚黏貼用帶或片材10具有基材1、及形成於基材1上之黏著劑層2,且於黏著劑層2之表面可剝離地被覆剝離襯墊3。
[實施例]
以下,列舉實施例進一步具體地說明本發明,但該等實施例並不限定本發明。再者,於以下,「份」及「%」分別表示「質量份」及「質量%」。
(實施例1)
於丙烯酸系共聚物(包含丙烯酸異壬酯:丙烯酸2-甲氧基乙酯:丙烯酸=65份:30份:5份之共聚物(以下,亦稱為「成分A」))100份中,將作為液狀或糊狀之成分之三辛酸甘油酯30份、作為黏著賦予劑之松香酯類(商品名:Haritack PCJ,Harima Chemicals公司製造)10份、作為交聯劑之三官能性異氰酸酯化合物(商品名:Coronate HL,Tosoh公司製造)0.05份調配於甲苯中而製作均勻之黏著劑溶液。
其次,將該溶液以乾燥後之厚度成為70 μm之方式塗佈於剝離紙(商品名:KP-64 SIROMAL D MARUMIZU,LINTEC公司製造)之剝離處理面,於130℃下乾燥3分鐘而形成黏著劑層。繼而,將所形成之黏著劑層轉印於作為基材之聚對苯二甲酸乙二酯膜(厚度38 μm)之單面並進行貼合,於60℃下熟化72小時,而獲得本發明之皮膚黏貼用帶。
(實施例2~11及比較例1~4)
將丙烯酸系共聚物、液狀或糊狀之成分、黏著賦予劑、交聯劑變更為表1中所示者,除此以外,以與實施例1相同之方式,獲得實施例2~11及比較例1~4之皮膚黏貼用帶。
[表1]
表1 | |||||||||
丙烯酸系共聚物[份] | 液狀或糊狀之成分[份] | 黏著賦予劑 [份] | 交聯劑[份] | 基材 | |||||
成分A | 成分B | GTC | IPM | PCJ | SE-10 | YS- O105 | C/HL | ||
實施例1 | 100 | - | 30 | - | 10 | - | - | 0.05 | PET 38 μm |
實施例2 | 100 | - | 5 | - | 10 | - | - | 0.05 | |
實施例3 | 100 | - | 15 | - | 5 | - | - | 0.05 | |
實施例4 | 100 | - | 15 | - | 10 | - | - | 0.05 | |
實施例5 | 100 | - | 15 | - | 30 | - | - | 0.05 | |
實施例6 | 100 | - | 15 | - | 40 | - | - | 0.05 | |
實施例7 | 100 | - | 15 | - | 50 | - | - | 0.05 | |
實施例8 | 100 | - | 30 | - | 10 | - | - | 0.05 | 胺基甲酸酯 30 μm |
實施例9 | 100 | - | 40 | - | 10 | - | - | 0.05 | PET 38 μm |
實施例10 | 100 | - | 30 | - | 10 | - | 0.05 | ||
實施例11 | 100 | - | - | 30 | 10 | - | - | 0.05 | |
比較例1 | 100 | - | - | - | 10 | - | - | 0.05 | |
比較例2 | 100 | - | 30 | - | - | - | - | 0.05 | |
比較例3 | - | 100 | 30 | - | 10 | - | - | 0.05 | |
比較例4 | 100 | - | 30 | - | - | - | 10 | 0.05 |
・成分A:丙烯酸系共聚物(包含丙烯酸異壬酯:丙烯酸2-甲氧基乙酯:丙烯酸=65份:30份:5份之共聚物)
・成分B:丙烯酸系共聚物(丙烯酸2-乙基己酯:丙烯酸=95份:5份)
・GTC:三辛酸甘油酯
・IPM:肉豆蔻酸異丙酯
・PCJ:松香酯類(商品名:Haritack PCJ,Harima Chemicals公司製造)
・SE-10:松香酯類(商品名:Haritack SE-10,Harima Chemicals公司製造)
・YS-O105:芳香族改性萜烯樹脂(商品名:YS-O105,YASUHARA Chemicals公司製造)
・C/HL:Coronate HL(Tosoh公司製造)
・PET:聚對苯二甲酸乙二酯膜
・胺基甲酸酯:聚胺基甲酸酯膜
對各實施例及比較例中所獲得之皮膚黏貼用帶進行以下之試驗。
(乾燥狀態之膠原蛋白膜黏著力)
將皮膚黏貼用帶剪裁成寬度10 mm、長度50 mm之矩形狀,將剝離紙剝離而使黏著面露出後,利用2 kg之輥往返1次以將該黏著面壓接黏貼於膠原蛋白膜(寬度25 mm、長度100 mm、厚度38 μm)。於該狀態下,於室溫下經過30分鐘後,於180度方向上以速度300 mm/min之剝離速度將皮膚黏貼用帶剝離,測定此時之剝離力。重複相同之試驗3次,取剝離力之平均值,算出其作為乾燥狀態之膠原蛋白膜黏著力(Pdry
)之值。
(潮濕狀態之膠原蛋白膜黏著力)
將皮膚黏貼用帶剪裁成寬度10 mm、長度50 mm之矩形狀,將剝離紙剝離而使黏著面露出後,利用2 kg之輥往返1次以將該黏著面壓接黏貼於膠原蛋白膜(寬度25 mm、長度100 mm、厚度38 μm)。繼而,向膠原蛋白膜之未貼附皮膚黏貼用帶之面注加供充滿整個面之量之純化水,於該狀態下經過30分鐘後,將所注加之純化水用抹布擦去,於180度方向上以速度300 mm/min之剝離速度剝離皮膚黏貼用帶,測定此時之剝離力。重複相同之試驗3次,取剝離力之平均值,算出其作為潮濕狀態之膠原蛋白膜黏著力之值(Pwet
)。
(黏著力變化率)
根據上述之乾燥狀態及潮濕狀態之膠原蛋白膜黏著力之值,藉由下式而算出黏著力變化率。
黏著力變化率=(Pdry
-Pwet
)/Pdry
×100(%)
(耐皮脂黏著力)
將樣本皮脂(三辛酸甘油酯)利用甲苯以濃度成為40 mg/mL之方式稀釋。將該稀釋液100 μL以成為均勻之厚度之方式塗佈於膠原蛋白膜(寬度25 mm、長度100 mm、厚度38 μm)之表面,進行風乾而將甲苯去除,準備塗佈有樣本皮脂之膠原蛋白膜。其次,將皮膚黏貼用帶剪裁為寬度10 mm、長度50 mm之矩形狀,將剝離紙剝離而使黏著面露出後,利用2 kg之輥往返1次以將該黏著面壓接黏貼於塗佈有上述樣本皮脂之膠原蛋白膜。於該狀態下,於室溫下經過30分鐘後,於180度方向上以速度300 mm/min之剝離速度將皮膚黏貼用帶剝離,測定此時之剝離力。重複相同之試驗3次,取剝離力之平均值,算出其作為耐皮脂黏著力之值。
(水中定負荷剝離性)
參照圖2對水中定負荷剝離性進行說明。
經由雙面膠帶(未圖示)將膠原蛋白膜22(寬度25 mm、長度100 mm、厚度38 μm)貼合於酚醛樹脂板23(寬度30 mm、長度130 mm、厚度2 mm)而準備試驗板。其次,將皮膚黏貼用帶21剪裁成寬度10 mm、長度50 mm之矩形狀,將剝離紙剝離而使黏著面露出後,利用2 kg之輥往返1次以將該黏著面壓接黏貼於上述試驗板之膠原蛋白膜22,而獲得試驗樣品。於該狀態下,於室溫下經過30分鐘後,於放入有40℃之水24之水槽25中設置具有圖2所示之形狀之支持具27,進而以將酚醛樹脂板23之相隔之兩個端部於圖2所示之狀態下載置於支持具27上之方式設置試驗樣品,於皮膚黏貼用帶21之一端掛上60 g之砝碼26,測定皮膚黏貼用帶21被剝離之距離及時間。重複相同之試驗3次,根據下式算出剝離速度,取其平均值,算出其作為水中定負荷剝離性之值。該值越小,表示於水中越難以剝離。
剝離速度(mm/min)=被剝離之距離(mm)/剝離時間(min)
(人類皮膚黏著力)
將實施例1及比較例1~4之皮膚黏貼用帶剪裁成寬度10 mm、長度50 mm之矩形狀,將剝離紙剝離而使黏著面露出後,利用2 kg之輥往返1次以將該黏著面壓接黏貼於志願者之前臂部。於該狀態下,於室溫下經過30分鐘後,於180度方向上以速度300 mm/min之剝離速度將皮膚黏貼用帶剝離,測定此時之剝離力。重複相同之試驗3次,取剝離力之平均值,算出其作為皮膚黏著力之值。
(抓固性)
於膠原蛋白膜黏著力(乾燥狀態、潮濕狀態)、耐皮脂黏著力、水中定負荷剝離性之測定中或測定後,利用目視觀察抓固性之狀態,並以下述判斷基準進行評價。
〇:無抓固破壞
△:稍稍可見抓固破壞
×:可見明顯之抓固破壞
將所獲得之結果示於表2。
[表2]
表2 | |||||||
結果 | |||||||
Pdry (N/10 mm) | Pwet (N/10 mm) | 黏著力變化 率(%) | 耐皮脂 黏著力 (N/10 mm) | 水中定負荷 剝離性 (mm/min) | 抓固性 | 人類皮膚黏著力 (N/10 mm) | |
實施例1 | 2.2 | 0.7 | 68 | 3.2 | 15.9 | 〇 | 5.1 |
實施例2 | 3.1 | 0.2 | 94 | 4.1 | 3.1 | 〇 | - |
實施例3 | 2.4 | 0.4 | 83 | 3.6 | 6.9 | 〇 | - |
實施例4 | 2.4 | 0.4 | 83 | 3.5 | 8.2 | 〇 | - |
實施例5 | 2.8 | 0.4 | 86 | 4.1 | 4.1 | 〇 | - |
實施例6 | 3.5 | 0.4 | 89 | 5.2 | 2.9 | 〇 | - |
實施例7 | 3.7 | 0.3 | 92 | 6.2 | 2.2 | 〇 | - |
實施例8 | 2.1 | 0.4 | 81 | 3.5 | 11.7 | 〇 | - |
實施例9 | 2.4 | 1.1 | 54 | 5.4 | 20.4 | 〇 | - |
實施例10 | 2.0 | 0.9 | 58 | 3.8 | 16.8 | 〇 | - |
實施例11 | 2.2 | 0.9 | 59 | 4.3 | 11.4 | △ | - |
比較例1 | 3.4 | 0.1 | 97 | 4.5 | 1.6 | 〇 | 1.4 |
比較例2 | 1.8 | 0.7 | 61 | 2.7 | 22.4 | 〇 | 3.0 |
比較例3 | 1.1 | 0.6 | 45 | 1.5 | 3.2 | 〇 | 1.4 |
比較例4 | 2.3 | 0.8 | 65 | 4.0 | 14.6 | × | 3.1 |
如表2所示,確認到實施例1之皮膚黏貼用帶與比較例之皮膚黏貼用帶相比,人類皮膚黏著力較高,具有優異之皮膚黏貼性。又,確認到各實施例之皮膚黏貼用帶與各比較例之皮膚黏貼用帶相比,於各評價項目中顯示良好之結果,尤其於存在水分之潮濕狀態下具有良好之黏著特性。
另一方面,比較例1之皮膚黏貼用帶係人類皮膚黏著力較低且黏著力變化率亦較大者,且係黏著特性較差者。
比較例2之皮膚黏貼用帶由於耐皮脂黏著力較低,水中定負荷剝離性之值較大,故而係容易剝離,黏著特性較差者。
比較例3之皮膚黏貼用帶係人類皮膚黏著力、耐皮脂黏著力均較低,黏著特性較差者。
比較例4之皮膚黏貼用帶係產生明顯之抓固破壞者。
以上,對本發明之較佳之實施形態進行了說明,但本發明並不受上述實施形態限制,可於不脫離本發明之範圍之範圍內,對上述實施形態加以各種變化及置換。
再者,本申請案係基於2018年12月12日提出申請之日本專利申請(特願2018-232674)者,其內容係作為參照被引用於本申請中。
[產業上之可利用性]
根據本發明,可提供一種皮膚黏貼用帶或片材,其黏著力較高,皮膚黏貼性優異,並且於黏貼中對於入浴時或存在自皮膚產生之汗等水分之被接著體,可抑制接著力之大幅降低而獲得良好之接著性。
1:基材
2:黏著劑層
3:剝離襯墊
10:皮膚黏貼用帶或片材
21:皮膚黏貼用帶
22:膠原蛋白膜
23:酚醛樹脂板
24:水
25:水槽
26:砝碼
27:支持具
圖1係表示具有剝離襯墊之皮膚黏貼用帶或片材之一態樣之概略剖視圖。
圖2係表示皮膚黏貼用帶之水中定負荷剝離性之測定方法之圖,(a)係其概略立體圖,(b)係其概略前視圖。再者,關於圖中之各尺寸,為了明確本發明之特徵,有時誇張地記載。
Claims (4)
- 一種皮膚黏貼用帶或片材,其係具備基材、及積層於上述基材之至少單面之黏著劑層者,且 上述黏著劑層含有:使包含(甲基)丙烯酸烷基酯單體與含烷氧基之乙烯性不飽和單體之單體混合物共聚而成之丙烯酸系共聚物、室溫下為液狀或糊狀之成分、及黏著賦予劑,且 上述黏著賦予劑包含松香酯類。
- 如請求項1之皮膚黏貼用帶或片材,其中上述室溫下為液狀或糊狀之成分包含羧酸酯。
- 如請求項2之皮膚黏貼用帶或片材,其中上述羧酸酯包含飽和脂肪酸之甘油酯。
- 如請求項1至3中任一項之皮膚黏貼用帶或片材,其中松香酯類之軟化點為50℃~160℃。
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JP2018232674 | 2018-12-12 | ||
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US (1) | US20220064492A1 (zh) |
EP (1) | EP3896135A4 (zh) |
JP (1) | JP7384824B2 (zh) |
CN (1) | CN113242895A (zh) |
TW (1) | TW202038922A (zh) |
WO (1) | WO2020122058A1 (zh) |
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DE102018222213A1 (de) * | 2018-12-18 | 2020-06-18 | Beiersdorf Ag | Klebmasse zur Verklebung auf der Haut |
WO2023013701A1 (ja) * | 2021-08-05 | 2023-02-09 | 日東電工株式会社 | 皮膚貼付材 |
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ES2281366T3 (es) * | 1999-12-15 | 2007-10-01 | Hisamitsu Pharmaceutical Co. Inc. | Preparaciomnes de adhesivos. |
US6998432B2 (en) * | 2000-09-01 | 2006-02-14 | Nitto Denko Corporation | Adhesive composition for skin and adhesive tape or sheet for skin comprising the composition |
JP5177726B2 (ja) * | 2000-09-01 | 2013-04-10 | 日東電工株式会社 | 皮膚貼付用粘着剤組成物、および皮膚貼付用粘着テープもしくはシート |
EP1639999B1 (en) * | 2003-06-24 | 2016-01-20 | Nipro Patch Co., Ltd. | Nonaqueous pressure-sensitive adhesive for medicinal tape preparation |
JP4884020B2 (ja) | 2006-02-09 | 2012-02-22 | ニチバン株式会社 | 医療補助用粘着テープ |
CN109125789B (zh) | 2012-03-12 | 2022-05-10 | 博斯蒂克股份公司 | 粘结剂组合物,透气的自粘制品,自粘制品的用途及其制备方法 |
JP5311694B1 (ja) | 2012-08-01 | 2013-10-09 | 正則 小林 | 二重瞼形成用テープ |
JP2015173948A (ja) * | 2014-03-18 | 2015-10-05 | 日東電工株式会社 | 皮膚貼着テープもしくはシート |
US20180030316A1 (en) * | 2016-07-28 | 2018-02-01 | Nitto Denko Corporation | Pressure-sensitive adhesive tape or sheet for affixation to clothing |
EP3919031A4 (en) * | 2019-01-28 | 2022-11-02 | Nitto Denko Corporation | SKIN PATCH MATERIAL |
CN113316436A (zh) * | 2019-01-28 | 2021-08-27 | 日东电工株式会社 | 皮肤粘贴材料 |
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2019
- 2019-12-10 EP EP19896317.5A patent/EP3896135A4/en active Pending
- 2019-12-10 CN CN201980081282.3A patent/CN113242895A/zh active Pending
- 2019-12-10 US US17/413,022 patent/US20220064492A1/en active Pending
- 2019-12-10 JP JP2020559247A patent/JP7384824B2/ja active Active
- 2019-12-10 WO PCT/JP2019/048250 patent/WO2020122058A1/ja unknown
- 2019-12-12 TW TW108145482A patent/TW202038922A/zh unknown
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CN113242895A (zh) | 2021-08-10 |
US20220064492A1 (en) | 2022-03-03 |
WO2020122058A1 (ja) | 2020-06-18 |
JP7384824B2 (ja) | 2023-11-21 |
EP3896135A4 (en) | 2022-08-31 |
EP3896135A1 (en) | 2021-10-20 |
JPWO2020122058A1 (ja) | 2021-10-21 |
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