TW201718746A - 潛在指紋檢出用組成物 - Google Patents
潛在指紋檢出用組成物 Download PDFInfo
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- TW201718746A TW201718746A TW105123905A TW105123905A TW201718746A TW 201718746 A TW201718746 A TW 201718746A TW 105123905 A TW105123905 A TW 105123905A TW 105123905 A TW105123905 A TW 105123905A TW 201718746 A TW201718746 A TW 201718746A
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Abstract
本發明之潛在指紋檢出用組成物係含有2-氰基丙烯酸酯及矽酮油,矽酮油的含量在將2-氰基丙烯酸酯的含量設為100質量份之情況下為700~9000質量份。本發明之潛在指紋檢出用組成物可進一步含有螢光染料、安定劑等。
Description
本發明係關於鑑識領域中之潛在指紋的檢出。
潛在指紋係由指頭所分泌之物質附著於犯罪現場所遺留之物品(以下,亦稱為「檢體」)時,以皮膚隆起之部分(皮膚凸脊,以下亦將其稱為「指紋隆線」)的形狀印跡而成者。在由指頭所分泌之物質中,除了屬於主成分之水以外,尚包含氯化鈉、氯化鉀、氯化鈣等無機成分、或乳酸、胺基酸類、尿酸、脂質、蛋白質、維生素類等。由於潛在指紋無法以原本的狀態加以識別,故在鑑識時,係利用指頭分泌成分與檢出用物質之化學反應或物理吸附反應。具體而言,有使由鋁、氧化鐵、白雲母、高嶺土等所組成之微粉末物理吸附於屬於指紋隆線之成分之水或脂質並予以視覺化之固體法;使用包含茚三酮(ninhydrin)、硝酸銀、DFO(1,8-二氮雜茀-9-酮)等之溶液,使脂質、與胺基酸、鹽分等進行反應而使其呈色之方法、或使2-氰基丙烯酸酯吸附於水或脂質,並使其進行
反應之液體法;以及使碘氣體、2-氰基丙烯酸酯氣體等與脂質進行反應之氣體法。
上述之中,在藉由使用2-氰基丙烯酸酯之液體法對潛在指紋進行檢出之情況,係使用包含2-氰基丙烯酸酯之溶液。舉例而言,在日本專利特開昭63-161939號公報中,已揭示由2-氰基丙烯酸酯、羅丹明6G、三氯乙烷及氯仿所組成之液體組成物,其係記載有亦可使用烴、其他鹵化烴、醚類、酯類、醇類、酮類等有機溶媒來代替三氯乙烷或氯仿之內容。
包含2-氰基丙烯酸酯之溶液係適合於潛在指紋的檢出。然而,由於所附著之潛在指紋係依存於檢體之構成構件(以下,亦稱為「指紋支持構件」)的表面形狀,因而在於指紋支持構件的表面有微細的凸部(突起部)及凹部連續而成之部分之情況,會變成指頭分泌成分僅殘存於凸部的前端。對於此種檢體,若使用日本專利特開昭63-161939號公報之組成物,則會有指頭分泌成分從凸部流入凹部,潛在指紋變形或消失,該檢出變得不充分之情形。此外,在日本專利特開昭63-161939號公報之組成物中所包含之有機溶劑之中,有會引起指紋支持構件之構成材料的溶解、膨潤或變質者,會有檢體受到限定之情形。
本發明之課題為提供不僅在包含指頭分泌成分之潛在指紋形成於平坦的指紋支持構件的表面之情況,即便在僅形成於在最表面具有凸部或凹部之指紋支持構件中之凸部的表面之情況,亦會抑制潛在指紋的變形或消失,保持潛在指紋的圖案,並可藉由光照射而效率良好地施行潛在指紋的檢出之組成物。
本發明者等人針對在使用含有2-氰基丙烯酸酯之組成物之鑑識作業中,會抑制潛在指紋的變形或消失並保持潛在指紋的圖案之液體組成物致力檢討之結果,遂完成本發明。
即,本發明為一種潛在指紋檢出用組成物,其係含有2-氰基丙烯酸酯及矽酮油,矽酮油的含量在將2-氰基丙烯酸酯的含量設為100質量份之情況下為700~9000質量份。
本發明之潛在指紋檢出用組成物可進一步含有螢光染料、安定劑等。
根據本發明,藉由使潛在指紋檢出用組成物接觸至檢體,在不會引起構成潛在指紋之指頭分泌成分的溶解或移動、指紋支持構件的溶解、膨潤或變質之情形下,組成物會吸附至構成潛在指紋之指頭分泌成分,發生
硬化並白化,故可以較高精度獲得潛在指紋的圖案。取決於指紋支持構件的顏色,使用含有螢光染料之潛在指紋檢出用組成物來形成包含螢光染料之白化部分後,藉由照射可見光等,便可獲得反映出潛在指紋之發光圖案。
在本發明中,不僅在包含指頭分泌成分之潛在指紋形成於平坦的指紋支持構件的表面之情況,即便在僅形成於具有微細的凸部及凹部連續而成之表面之指紋支持構件(多孔質構件等)中之凸部的表面,例如潛在指紋的圖案成為斷斷續續之情況,亦會在無矽酮油所引發之指紋支持構件的溶解、膨潤及變質之情形下,抑制殘存之潛在指紋的變形或消失。從而,可在不依存於指紋支持構件的表面形狀之情形下,保持潛在指紋的圖案,效率良好地施行潛在指紋的檢出。
〔圖1〕顯示出屬於實施例1之評估用試料之對其表面進行指觸後之磚塊之外觀影像。
〔圖2〕顯示出使實施例1之組成物進行接觸後,對附有潛在指紋之磚塊照射可見光所獲得之螢光指紋之影像。
〔圖3〕顯示出屬於實施例13之評估用試料之對其表面進行指觸後之磁性票券的背面(磁性面)之外觀影像。
〔圖4〕顯示出使實施例13之組成物進行接觸後,對附有潛在指紋之磁性票券照射可見光所獲得之螢光指紋之影像。
〔圖5〕顯示出屬於實施例13之評估用試料之對其表面進行指觸後之聚乙烯袋之外觀影像。
〔圖6〕顯示出使實施例13之組成物進行接觸後,對附有潛在指紋之聚乙烯袋照射可見光所獲得之螢光指紋之影像。
以下,對本發明詳細地進行說明。
本發明之潛在指紋檢出用組成物為以特定的比例含有2-氰基丙烯酸酯及矽酮油之液體組成物。
上述2-氰基丙烯酸酯並無特別限定,可使用氰基丙烯酸(環)烷酯、氰基丙烯酸芳酯、氰基丙烯酸烯酯、氰基丙烯酸炔酯、氰基丙烯酸烷氧基烷酯、氰基丙烯酸鹵烷酯、氰基丙烯酸鹵烷氧基烷酯等。在本發明中所使用之2-氰基丙烯酸酯可僅為1種,亦可為2種以上之組合。
作為上述氰基丙烯酸(環)烷酯,可列舉甲基-2-氰基丙烯酸酯、乙基-2-氰基丙烯酸酯、正丙基-2-氰基丙烯酸酯、異丙基-2-氰基丙烯酸酯、正丁基-2-氰基丙烯酸酯、異丁基-2-氰基丙烯酸酯、正己基-2-氰基丙烯酸酯、正辛基-2-氰基丙烯酸酯、2-乙基己基-2-氰基丙烯酸
酯、環己基-2-氰基丙烯酸酯等。此等之中,較佳為甲基-2-氰基丙烯酸酯、乙基-2-氰基丙烯酸酯、正丙基-2-氰基丙烯酸酯及異丙基-2-氰基丙烯酸酯。
作為上述氰基丙烯酸芳酯,可列舉苯基-2-氰基丙烯酸酯、苄基-2-氰基丙烯酸酯等。
作為上述氰基丙烯酸烯酯,可列舉烯丙基-2-氰基丙烯酸酯等。
作為上述氰基丙烯酸炔酯,可列舉炔丙基-2-氰基丙烯酸酯等。
作為上述氰基丙烯酸烷氧基烷酯,可列舉甲氧基甲基-2-氰基丙烯酸酯、甲氧基乙基-2-氰基丙烯酸酯、甲氧基丁基-2-氰基丙烯酸酯、乙氧基乙基-2-氰基丙烯酸酯等。
作為上述氰基丙烯酸鹵烷氧基烷酯,可列舉2-氯乙基-2-氰基丙烯酸酯、2-氯乙氧基乙基-2-氰基丙烯酸酯、2,2,2-三氟乙基-2-氰基丙烯酸酯等。
作為上述2-氰基丙烯酸酯,較佳為氰基丙烯酸烷酯,特佳為烷基部分的碳原子數為1~3之氰基丙烯酸烷酯。
上述矽酮油只要是在1氣壓及25℃中為液體,即無特別限定,非變性矽酮油及變性矽酮油皆可使用。此外,本發明之潛在指紋檢出用組成物中所包含之矽酮油可為僅由1種所組成者,亦可為由2種以上所組成者。
上述矽酮油係鏈狀化合物及環狀化合物皆
可。
作為鏈狀化合物,可列舉1,1,3,3-四甲基二矽氧烷、1,3-二乙基四甲基二矽氧烷、1,1,3,3-四異丙基二矽氧烷、五甲基二矽氧烷、六甲基二矽氧烷、六乙基二矽氧烷、五甲基己基二矽氧烷、1,3-二辛基四甲基二矽氧烷、1,1,1,5,5,5-六甲基三矽氧烷、1,1,3,3,5,5-六甲基三矽氧烷、1,1,1,3,5,5,5-七甲基三矽氧烷、八甲基三矽氧烷、七甲基己基三矽氧烷、七甲基庚基三矽氧烷、七甲基辛基三矽氧烷、1,1,3,3,5,5,7,7-八甲基四矽氧烷、十甲基四矽氧烷、十二甲基五矽氧烷、十四甲基六矽氧烷、十六甲基七矽氧烷、十八甲基八矽氧烷、二十甲基九矽氧烷、二十二甲基十矽氧烷、參(三甲基矽烷氧基)矽烷、參(三甲基矽烷氧基甲基)矽烷、肆(三甲基矽烷氧基)矽烷等烷基矽氧烷;六乙烯基二矽氧烷、(3-環氧丙氧基丙基)五甲基二矽氧烷、1,1,3,3-四乙氧基-1,3-二甲基二矽氧烷、1,3-雙(環氧丙氧基丙基)四甲基二矽氧烷、1,3-雙(羥基丁基)四甲基二矽氧烷、1,3-雙(羥基丙基)四甲基二矽氧烷、1,3-雙(三甲基矽烷氧基)-1,3-二甲基二矽氧烷、1,3-二烯丙基肆(三甲基矽烷氧基)二矽氧烷、1,3-二烯丙基四甲基二矽氧烷、1,3-二乙基四甲基二矽氧烷、1,3-二乙炔基四甲基二矽氧烷、1,3-二甲基四甲氧基二矽氧烷、1,3-二辛基四甲基二矽氧烷、1,3-二乙烯基四乙氧基二矽氧烷、1,3-二乙烯基四甲基二矽氧烷、1-烯丙基-1,1,3,3-四甲基二矽氧烷、二乙烯基肆(三甲基矽烷氧
基)二矽氧烷、參(三甲基矽烷氧基乙烯基)矽烷、1,5-二乙烯基六甲基三矽氧烷、2-[甲氧基(聚乙烯氧基)丙基]七甲基三矽氧烷、3-[羥基(聚乙烯氧基)丙基]七甲基三矽氧烷、3-辛基七甲基三矽氧烷等變性烷基矽氧烷等。
此外,作為環狀化合物,可列舉六甲基環三矽氧烷、八甲基環四矽氧烷、十甲基環五矽氧烷、十二甲基環六矽氧烷、十四甲基環七矽氧烷、十六甲基環八矽氧烷、十八甲基環九矽氧烷、二十甲基環十矽氧烷等環烷基矽氧烷;雙[(雙環庚烯基)乙基]四甲基二矽氧烷、雙-2-[3,4-(環氧基環己基)乙基]四甲基二矽氧烷等變性環烷基矽氧烷等。
作為上述矽酮油,從會在不依存於指紋支持構件之構成材料及表面形狀之情形下,抑制潛在指紋的變形或消失,保持潛在指紋的圖案,並在潛在指紋上形成安定的白化部分,能夠輕易地檢出潛在指紋而言,較佳為烷基矽氧烷,更佳為矽原子數為2~10之烷基矽氧烷,特佳為矽原子數為2~5之烷基矽氧烷。如後述,使本發明之潛在指紋檢出用組成物接觸至檢體之方法可設為噴佈、浸漬等,並可使用具有因應檢體的性狀之黏度之組成物,故亦可設為2種以上之矽原子數為2~5之烷基矽氧烷、或者將矽原子數為2~5之烷基矽氧烷與矽原子數為6以上之烷基矽氧烷或高黏度的其他矽酮油進行組合而成者。此外,由於上述矽酮油係屬於在組成物中之含有比例較高的成分,因而若為包含在1氣壓中之沸點較佳在90℃~
300℃,更佳在90℃~250℃之範圍的矽酮油之組成物,則可更迅速地檢出潛在指紋。
本發明之潛在指紋檢出用組成物中所包含之矽酮油的含量,從會抑制潛在指紋的變形或消失,保持潛在指紋的圖案,並在潛在指紋上形成安定的白化部分,能夠輕易地檢出潛在指紋而言,在將2-氰基丙烯酸酯的含量設為100質量份之情況下,為700~9000質量份,較佳為1000~5000質量份,更佳為1500~4500質量份。
本發明之潛在指紋檢出用組成物,除了上述必需成分以外,可進一步含有其他成分,舉例而言,可含有螢光染料、安定劑、增黏劑、搖變性賦予劑、香料等。
由於藉由2-氰基丙烯酸酯的聚合所形成之硬化部通常為白色,因而較佳係取決於指紋支持構件的顏色,而使用含有螢光染料之潛在指紋檢出用組成物。
上述螢光染料只要是對使其粉末分散於由上述2-氰基丙烯酸酯之均聚物所組成之粉末之中所獲得之試料照射具有400~800nm之範圍的波長之電磁波(可見光線)而會發出螢光者,即無特別限定。在本發明中,從在上述均聚物之中呈安定,螢光感度較高而言,可使用蒽醌系染料、萘醯亞胺系染料等。在本發明中所使用之螢光染料可僅為1種,亦可為2種以上之組合。
作為上述蒽醌系染料,可列舉胺基蒽醌、胺基羥基蒽醌、二胺基蒽醌、二羥基蒽醌、二胺基二羥基蒽醌等。此等之中,較佳為2-苯氧基-1-胺基-4-羥基蒽-9,10-
二酮(SOLVENT RED 146)等胺基羥基蒽醌。
作為上述萘醯亞胺系染料,可列舉烷基萘醯亞胺、烷氧基萘醯亞胺、烷氧基烷基萘醯亞胺、胺基萘醯亞胺、烷基胺基萘醯亞胺、硝基萘醯亞胺、鹵化萘醯亞胺、羰基萘醯亞胺、苯硫基萘醯亞胺、氰基萘醯亞胺、羥基萘醯亞胺等。此等之中,較佳為2-丁基-6-(丁基胺基)-1H-苯并[de]異喹啉-1,3(2H)-二酮(SOLVENT YELLOW 43)等烷基胺基萘醯亞胺。
上述螢光染料對矽酮油之溶解性並無特別限定,較佳係使用可溶於矽酮油之螢光染料。另外,在使用不溶於矽酮油之螢光染料之情況,其平均粒徑較佳為0.1μm以下。
在本發明之潛在指紋檢出用組成物含有螢光染料之情況,其含量從藉由光照射可獲得充分的發光強度,能夠輕易地檢出潛在指紋而言,在將2-氰基丙烯酸酯的含量設為100質量份之情況下,較佳為0.05質量份以上,更佳為0.1~6.0質量份,再佳為0.2~3.0質量份,特佳為0.3~1.0質量份。
上述安定劑為具有抑制在組成物中之2-氰基丙烯酸酯的聚合之作用者,可使用亞硫酸氣體、甲磺酸、乙磺酸、HBF4、BF3醚錯合物、BF3醋酸錯合物、氫醌、氫醌單甲醚、2,6-二-第三丁基-對甲酚、三氟甲磺酸、二硫化碳等。
在本發明之潛在指紋檢出用組成物含有安定劑之情
況,其含量在將2-氰基丙烯酸酯的含量設為100質量份之情況下為0.0001~1質量份,較佳為0.001~0.1質量份,更佳為0.001~0.05質量份。
本發明之潛在指紋檢出用組成物可設為均勻溶液或均勻分散液,其黏度較佳為0.5~20mPa.s,更佳為0.5~10mPa.s。組成物的黏度係藉由按照JIS K 6833-15.4.1b)方法2之方法,於溫度25℃進行測定而得者。
本發明之潛在指紋檢出用組成物可藉由將上述必需成分、或將上述必需成分與其他成分進行混合而予以製造。另外,在使用安定劑之情況,較佳係預先製成與2-氰基丙烯酸酯之混合物。此外,在製造組成物時,可例如視螢光染料的種類等,選擇原料之混合方法(使用方法等),可將所有的原料進行整批混合,亦可進行分段混合。
根據本發明之潛在指紋檢出用組成物,可在不限定於指紋支持構件之構成材料的種類之情形下,效率良好地檢出潛在指紋。即,可檢出形成於由任何金屬、合金、無機化合物等無機材料、樹脂等有機材料、以及包含此等之複合材料所組成之指紋支持構件的表面之潛在指紋。此外,針對指紋支持構件的表面形狀亦無限定,對於難以透過以往公知的潛在指紋檢出用組成物進行檢出之例如磚塊、混凝土塊、塑膠燒結多孔質體、石板、木、紙等多孔質構件、票券等磁性紙背面等般具有微細的凸部及凹部連續而成之表面之指紋支持構件而言特別適合。
如上述,由於藉由2-氰基丙烯酸酯的聚合所形成之硬化部通常為白色,因而較佳係取決於指紋支持構件的顏色,而使用含有會發光成與該顏色不同的顏色之螢光染料之潛在指紋檢出用組成物。
若使本發明之潛在指紋檢出用組成物接觸至檢體,則組成物會吸附至具有水、脂質之潛在指紋,在與接觸同時或乾燥時,2-氰基丙烯酸酯會發生聚合並在潛在指紋的表面形成白化部。另一方面,於潛在指紋不在之區域,不僅組成物不會進行吸附,亦不會引起變形或消失。從而,可效率良好地檢出潛在指紋的圖案。在使用含有藉由光照射會發光成與指紋支持構件的顏色不同的顏色之螢光染料之潛在指紋檢出用組成物之情況,對白化部照射具有400~800nm之範圍的波長之光,可獲得反映出潛在指紋之發光圖案。
作為使本發明之潛在指紋檢出用組成物接觸至檢體之方法,可列舉噴佈法(噴吹法)、浸漬法等。
在本發明中,從在檢出潛在指紋時,不僅可將組成物的使用量設為少量,對於大面積的檢體亦適合而言,較佳為噴佈法。
在將組成物噴佈至檢體之情況,可使用機械式噴佈器、電氣式噴佈器、泵式噴霧器、觸發式噴霧器、氣溶膠等噴佈器。另外,對於檢體的同一表面之噴佈次數並無特別限定,只要2-氰基丙烯酸酯的噴佈量較佳成為0.000015~0.003ml/cm2之範圍即可。另外,每1次之噴佈量較佳
為0.0005~1ml/cm2,更佳為0.001~0.1ml/cm2。
此外,在將檢體浸漬於組成物中之情況,較佳係在0℃~40℃的組成物中使檢體成為靜止狀態,並浸漬0.1~5分鐘。
以下,藉由實施例具體地說明本發明。惟,本發明並不限定於下述實施例。
用於製造潛在指紋檢出用組成物的原料係如下。
作為安定劑,係使用預先添加亞硫酸氣體200質量ppm及氫醌600質量ppm之乙基-2-氰基丙烯酸酯(以下,稱為「乙基-2-氰基丙烯酸酯原料」)。
使用將下述2種製品供予精製處理而得者。
(1)蒽醌系染料
日本化藥公司製2-苯氧基-1-胺基-4-羥基蒽-9,10-二酮「Kayaset Red B」(商品名)
(2)萘醯亞胺系染料
日本化藥公司製2-丁基-6-(丁基胺基)-1H-苯并[de]
異喹啉-1,3(2H)-二酮「Kayaset Flavine FG」(商品名)
將螢光染料5g緩緩地添加至攪拌下之1質量%甲磺酸之甲醇溶液50g中,添加完成後,再繼續攪拌5分鐘。接著,進行過濾分離,於50℃進行減壓乾燥24小時。
(1)六甲基二矽氧烷(在1氣壓中之沸點:100℃)
(2)十甲基四矽氧烷(在1氣壓中之沸點:194℃)
(3)十甲基環五矽氧烷(在1氣壓中之沸點:210℃)
使用亞硫酸氣體及氫醌。
為了比較例,使用丙酮、甲基乙基酮、苯、己烷或氯仿來代替矽酮油。
藉由將上述各原料進行分段混合,並於25℃進行攪
拌,而製造潛在指紋檢出用組成物。藉由按照JIS K 6833-15.4.1b)方法2之方法,於溫度25℃測定所獲得之組成物的黏度。
隨後,以將洗手後之指腹按壓至市售的磚塊的表面、市售的聚乙烯製袋的表面、以及磁性票券的背面(磁性面)而得之物作為檢體,對其整個表面噴佈組成物,藉由光照射來調查是否能夠檢出潛在指紋。
獲得由乙基-2-氰基丙烯酸酯原料3.7質量份、六甲基二矽氧烷96.3質量份、及蒽醌系染料281.3×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.65mPa.s。
其次,將所獲得之潛在指紋檢出用組成物噴佈(噴佈量0.01~0.02ml/cm2)於在其表面具有潛在指紋之磚塊(圖1)。藉此,觀察一旦組成物接觸至指頭分泌成分,乙基-2-氰基丙烯酸酯的硬化所引發之白色化。然後,使所噴佈之組成物乾燥,藉由Horiba Scientific公司製犯罪搜查用光源裝置「CRIMESCOPE CS-16-500」(商品名),對白色固化部照射波長415~575nm的光,結果如圖2所示,可觀察到潛在指紋鮮明發光。將此等結果示於表1。
獲得由乙基-2-氰基丙烯酸酯原料5.5質量份、六甲基二矽氧烷94.5質量份、及蒽醌系染料368.1×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.65mPa.s。
然後,施行與實施例1同樣的操作,藉由光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表1。
獲得由乙基-2-氰基丙烯酸酯原料5.5質量份、六甲基二矽氧烷94.5質量份、及蒽醌系染料36.8×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.65mPa.s。
然後,施行與實施例1同樣的噴佈7次後,藉由進行光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表1,因歷經複數次施行組成物的噴佈後檢出潛在指紋,故將判定評為「△」。
獲得由乙基-2-氰基丙烯酸酯原料3.7質量份、八甲基三矽氧烷96.3質量份、及蒽醌系染料281.3×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為1.0mPa.s。
然後,施行與實施例1同樣的操作,藉由光照射,可
觀察到潛在指紋鮮明發光。將此等結果示於表1。
獲得由乙基-2-氰基丙烯酸酯原料5.5質量份、八甲基三矽氧烷94.5質量份、及蒽醌系染料368.1×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為1.0mPa.s。
然後,施行與實施例1同樣的操作,藉由光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表1。
獲得由乙基-2-氰基丙烯酸酯原料5.5質量份、十甲基四矽氧烷94.5質量份、及蒽醌系染料368.1×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為1.5mPa.s。
然後,施行與實施例1同樣的操作,藉由光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表1。
獲得由乙基-2-氰基丙烯酸酯原料5.5質量份、十甲基環五矽氧烷94.5質量份、及蒽醌系染料368.1×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為4.0mPa.s。
然後,施行與實施例1同樣的操作,藉由光照射,可
觀察到潛在指紋鮮明發光。將此等結果示於表1。
獲得由乙基-2-氰基丙烯酸酯原料3.7質量份、六甲基二矽氧烷96.3質量份、及萘醯亞胺系染料140.6×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.65mPa.s。
然後,施行與實施例1同樣的操作,藉由光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表1。
獲得由乙基-2-氰基丙烯酸酯原料5.5質量份、六甲基二矽氧烷94.5質量份、及萘醯亞胺系染料184.0×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.65mPa.s。、
然後,施行與實施例1同樣的操作,藉由光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表1。
獲得由乙基-2-氰基丙烯酸酯原料5.5質量份、六甲基二矽氧烷94.5質量份、及萘醯亞胺系染料18.4×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.65mPa.s。
然後,施行與實施例1同樣的噴佈5次後,藉由進行
光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表1,因歷經複數次施行組成物的噴佈後檢出潛在指紋,故將判定評為「△」。
獲得由乙基-2-氰基丙烯酸酯原料3.7質量份、八甲基三矽氧烷96.3質量份、及萘醯亞胺系染料140.6×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為1.0mPa.s。
然後,施行與實施例1同樣的操作,藉由光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表1。
獲得由乙基-2-氰基丙烯酸酯原料5.5質量份、八甲基三矽氧烷94.5質量份、及萘醯亞胺系染料184.0×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為1.0mPa.s。
然後,施行與實施例1同樣的操作,藉由光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表1。
獲得由乙基-2-氰基丙烯酸酯原料5.5質量份、丙酮94.5質量份、及蒽醌系染料368.1×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.34
mPa.s。
然後,施行與實施例1同樣的操作,藉由光照射,未觀察到發光,無法檢出潛在指紋。將此等結果示於表1。
獲得由乙基-2-氰基丙烯酸酯原料5.5質量份、甲基乙基酮94.5質量份、及蒽醌系染料368.1×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.4mPa.s。
然後,施行與實施例1同樣的操作,藉由光照射,未觀察到發光,無法檢出潛在指紋。將此等結果示於表1。
獲得由乙基-2-氰基丙烯酸酯原料5.5質量份、苯94.5質量份、及蒽醌系染料368.1×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.65mPa.s。
然後,施行與實施例1同樣的操作,藉由光照射,未觀察到發光,無法檢出潛在指紋。將此等結果示於表1。
獲得由乙基-2-氰基丙烯酸酯原料5.5質量份、己烷94.5質量份、及蒽醌系染料368.1×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.33
mPa.s。
然後,施行與實施例1同樣的操作,藉由光照射,未觀察到發光,無法檢出潛在指紋。將此等結果示於表1。
獲得由乙基-2-氰基丙烯酸酯原料5.5質量份、氯仿94.5質量份、及蒽醌系染料368.1×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.57mPa.s。
然後,施行與實施例1同樣的操作,藉由光照射,未觀察到發光,無法檢出潛在指紋。將此等結果示於表1。
獲得由乙基-2-氰基丙烯酸酯原料2.3質量份、六甲基二矽氧烷97.7質量份、及蒽醌系染料133.2×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.65mPa.s。
其次,將所獲得之潛在指紋檢出用組成物噴佈(噴佈量0.01~0.02ml/cm2)於在其表面具有潛在指紋之磁性票券的磁性面(圖3)及聚乙烯製袋(圖5)的表面。藉此,觀察一旦組成物接觸至指頭分泌成分,乙基-2-氰基丙烯酸酯的硬化所引發之白色化。然後,使所噴佈之組成物乾燥,藉由Horiba Scientific公司製犯罪搜查用光源裝置「CRIMESCOPE CS-16-500」(商品名),對白色固化部照射波長415~575nm的光,結果如圖4及圖6所示,可觀察到潛在指紋鮮明發光。將此等結果示於表2。
獲得由乙基-2-氰基丙烯酸酯原料3.7質量份、六甲基二矽氧烷96.3質量份、及蒽醌系染料187.5×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.65mPa.s。
然後,對於在其表面具有潛在指紋之聚乙烯製袋,施行與實施例13同樣的操作,藉由光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表2。
獲得由乙基-2-氰基丙烯酸酯原料3.7質量份、六甲基二矽氧烷96.3質量份、及蒽醌系染料18.8×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.65mPa.s。
然後,對於在其表面具有潛在指紋之聚乙烯製袋,施行與實施例13同樣的噴佈3次後,藉由進行光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表2,因歷經複數次施行組成物的噴佈後檢出潛在指紋,故將判定評為「△」。
獲得由乙基-2-氰基丙烯酸酯原料2.3質量份、八甲基三矽氧烷97.7質量份、及蒽醌系染料133.2×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為1.0mPa.s。
然後,對於在其表面具有潛在指紋之聚乙烯製袋,施行與實施例13同樣的操作,藉由光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表2。
獲得由乙基-2-氰基丙烯酸酯原料3.7質量份、八甲基三矽氧烷96.3質量份、及蒽醌系染料187.5×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為1.0mPa.s。
然後,對於在其表面具有潛在指紋之聚乙烯製袋,施行與實施例13同樣的操作,藉由光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表2。
獲得由乙基-2-氰基丙烯酸酯原料3.7質量份、十甲基四矽氧烷96.3質量份、及蒽醌系染料187.5×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為1.5mPa.s。
然後,對於在其表面具有潛在指紋之聚乙烯製袋,施行與實施例13同樣的操作,藉由光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表2。
獲得由乙基-2-氰基丙烯酸酯原料3.7質量份、十甲基環五矽氧烷96.3質量份、及蒽醌系染料187.5×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為4.0mPa.s。
然後,對於在其表面具有潛在指紋之聚乙烯製袋,施
行與實施例13同樣的操作,藉由光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表2。
獲得由乙基-2-氰基丙烯酸酯原料2.3質量份、六甲基二矽氧烷97.7質量份、及萘醯亞胺系染料66.6×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.65mPa.s。
然後,對於在其表面具有潛在指紋之聚乙烯製袋,施行與實施例13同樣的操作,藉由光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表2。
獲得由乙基-2-氰基丙烯酸酯原料3.7質量份、六甲基二矽氧烷96.3質量份、及萘醯亞胺系染料93.8×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.65mPa.s。
然後,對於在其表面具有潛在指紋之聚乙烯製袋,施行與實施例13同樣的操作,藉由光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表2。
獲得由乙基-2-氰基丙烯酸酯原料3.7質量份、六甲基二矽氧烷96.3質量份、及萘醯亞胺系染料9.4×10-6質量
份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.65mPa.s。
然後,對於在其表面具有潛在指紋之聚乙烯製袋,施行與實施例13同樣的噴佈5次後,藉由進行光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表2,因歷經複數次施行組成物的噴佈後檢出潛在指紋,故將判定評為「△」。
獲得由乙基-2-氰基丙烯酸酯原料2.3質量份、八甲基三矽氧烷97.7質量份、及萘醯亞胺系染料66.6×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為1.0mPa.s。
然後,對於在其表面具有潛在指紋之聚乙烯製袋,施行與實施例13同樣的操作,藉由光照射,可觀察到潛在指紋鮮明發光。將此等結果示於表2。
獲得由乙基-2-氰基丙烯酸酯原料3.7質量份、八甲基三矽氧烷96.3質量份、及萘醯亞胺系染料93.8×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為1.0mPa.s。
.然後,對於在其表面具有潛在指紋之聚乙烯製袋,施行與實施例13同樣的操作,藉由光照射,可觀察到潛在
指紋鮮明發光。將此等結果示於表2。
獲得由乙基-2-氰基丙烯酸酯原料3.7質量份、丙酮96.3質量份、及蒽醌系染料187.5×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.34mPa.s。
然後,對於在其表面具有潛在指紋之聚乙烯製袋,施行與實施例13同樣的操作,藉由光照射,未觀察到發光,無法檢出潛在指紋。將此等結果示於表2。
獲得由乙基-2-氰基丙烯酸酯原料3.7質量份、甲基乙基酮96.3質量份、及蒽醌系染料187.5×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.4mPa.s。
然後,對於在其表面具有潛在指紋之聚乙烯製袋,施行與實施例13同樣的操作,藉由光照射,未觀察到發光,無法檢出潛在指紋。將此等結果示於表2。
獲得由乙基-2-氰基丙烯酸酯原料3.7質量份、苯96.3質量份、及蒽醌系染料187.5×10-6質量份所組成之均勻溶液(潛在指紋檢出用組成物)。黏度(25℃)為0.65
mPa.s。
然後,對於在其表面具有潛在指紋之聚乙烯製袋,施行與實施例13同樣的操作,藉由光照射,未觀察到發光,無法檢出潛在指紋。將此等結果示於表2。
根據本發明,使潛在指紋檢出用組成物接觸至檢體的表面後,藉由進行光照射,可正確地檢出潛在指紋。特定而言,在潛在指紋形成於在表面具有凸部或凹部之指紋支持構件中之凸部的表面之情況,藉由以往公知的組成物難以進行檢出,相對於此,藉由本發明之組成物,會抑制潛在指紋的變形或消失,保持其概貌,故可效率良好地施行檢出。從而,在鑑識領域中,對於廣泛的檢體而言實屬適合。
Claims (6)
- 一種潛在指紋檢出用組成物,其特徵為含有2-氰基丙烯酸酯及矽酮油,前述矽酮油的含量在將前述2-氰基丙烯酸酯的含量設為100質量份之情況下為700~9000質量份。
- 如請求項1之潛在指紋檢出用組成物,其中,前述矽酮油為矽原子數為2~5之烷基矽氧烷。
- 如請求項1之潛在指紋檢出用組成物,其係進一步含有螢光染料。
- 如請求項3之潛在指紋檢出用組成物,其中,前述螢光染料為選自蒽醌系染料及萘醯亞胺系染料之至少1種。
- 如請求項1之潛在指紋檢出用組成物,其係進一步含有安定劑。
- 如請求項5之潛在指紋檢出用組成物,其中,前述安定劑為選自亞硫酸氣體、甲磺酸、乙磺酸、HBF4、BF3醚錯合物、BF3醋酸錯合物、氫醌、氫醌單甲醚、2,6-二-第三丁基-對甲酚、三氟甲磺酸及二硫化碳之至少1種。
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JPS61288836A (ja) * | 1985-06-17 | 1986-12-19 | 田岡化学工業株式会社 | 指紋の検出方法 |
US4837260A (en) * | 1986-05-23 | 1989-06-06 | Toagosei Chemical Industry Co., Ltd. | Cyanoacrylate compositions |
JPS63108010A (ja) * | 1986-05-23 | 1988-05-12 | Toagosei Chem Ind Co Ltd | シアノアクリレ−ト系組成物 |
JPH0689067B2 (ja) * | 1987-05-07 | 1994-11-09 | 東亞合成化学工業株式会社 | シアノアクリレ−ト系組成物 |
JPH0415004A (ja) * | 1990-05-07 | 1992-01-20 | Matsushita Electric Ind Co Ltd | 毛髪乾燥機 |
JPH0415044A (ja) * | 1990-05-09 | 1992-01-20 | Badlands Trust Org | 検証のために物体に標識を付ける方法 |
JPH06165771A (ja) * | 1992-09-10 | 1994-06-14 | Toagosei Chem Ind Co Ltd | 指紋検出液および指紋検出方法 |
IL109155A0 (en) * | 1993-05-11 | 1994-06-24 | Minnesota Mining & Mfg | Fluorescent dye/cyanoacrylate compositions useful in latent fingerprint development kit |
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US6183593B1 (en) * | 1999-12-23 | 2001-02-06 | Closure Medical Corporation | 1,1-disubstituted ethylene adhesive compositions containing polydimethylsiloxane |
EP1945231B1 (en) * | 2005-08-17 | 2021-11-10 | Rochal Partners, LLP | Conformable solvent-based bandage and coating material |
WO2008044494A1 (fr) * | 2006-10-06 | 2008-04-17 | Toagosei Co., Ltd. | Polymère pour la détection d'empreintes digitales, procédé de production dudit polymère, composition pour la détection d'empreintes digitales et procédé associé |
JP5346631B2 (ja) * | 2009-03-16 | 2013-11-20 | 株式会社スカイサイエンス | 指紋検出方法 |
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-
2016
- 2016-07-25 US US15/747,613 patent/US20180368740A1/en not_active Abandoned
- 2016-07-25 WO PCT/JP2016/071699 patent/WO2017018373A1/ja active Application Filing
- 2016-07-25 EP EP16830478.0A patent/EP3329846B1/en active Active
- 2016-07-25 JP JP2017530855A patent/JP6525056B2/ja active Active
- 2016-07-25 CN CN201680043083.XA patent/CN107847188B/zh active Active
- 2016-07-25 KR KR1020187005361A patent/KR20180030910A/ko active IP Right Grant
- 2016-07-28 TW TW105123905A patent/TWI682953B/zh active
Also Published As
Publication number | Publication date |
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JPWO2017018373A1 (ja) | 2018-06-14 |
US20180368740A1 (en) | 2018-12-27 |
EP3329846A4 (en) | 2019-03-06 |
KR20180030910A (ko) | 2018-03-26 |
WO2017018373A1 (ja) | 2017-02-02 |
EP3329846A1 (en) | 2018-06-06 |
JP6525056B2 (ja) | 2019-06-05 |
EP3329846B1 (en) | 2021-07-14 |
CN107847188A (zh) | 2018-03-27 |
CN107847188B (zh) | 2022-03-25 |
TWI682953B (zh) | 2020-01-21 |
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