CN105283602B - 包括干涉颜料和纳米填料的安全元件 - Google Patents
包括干涉颜料和纳米填料的安全元件 Download PDFInfo
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- CN105283602B CN105283602B CN201480033256.0A CN201480033256A CN105283602B CN 105283602 B CN105283602 B CN 105283602B CN 201480033256 A CN201480033256 A CN 201480033256A CN 105283602 B CN105283602 B CN 105283602B
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Abstract
本发明涉及一种用于安全证件的安全元件、优选地安全线,该安全元件包括:掩蔽结构(13),所述掩蔽结构用于在所述安全元件位于所述证件内或位于所述证件的表面上时降低所述元件的表面的可见性,所述掩蔽结构包括纳米填料以及多层干涉颜料。
Description
技术领域
本发明涉及安全元件,尤其是用于安全证件的安全元件。
背景技术
表述“安全证件”被理解为表示支付的工具(诸如纸币、支票或餐券)、身份证件(诸如身份证、签证、护照或驾照)、彩票、旅游票务或旅游通行证、印花税票、或者甚至用于进入文化活动或体育赛事的票。
已知将安全线并入到纸基材中。该线或者完全插入到纸的主体中,或者作为变型,至少部分地在其表面上,尤其是窗口中。该线通常包括在透射光下显现的文字,有时也被称为在任何窗口外,线优选地在反射中不可见,以免不利地影响证件的外观且以免阻碍基材所支撑的印刷的可见性。此外,这提供了另外的安全措施,在反射光下难以或不可能看到该线及其文字且在透射光下可见该线及其文字。
为了降低线的可见性,已经存在多个解决方案。
第一解决方案在于使用通过沉积相对大厚度的金属获得的很反光的线,允许获得高的光密度。然而,为了尤其基于金属层的半透明而获得特定的光学效应,某些安全元件需要低光密度的金属层,例如铝的金属层。
第二解决方案在于向线涂覆掩蔽层。使用由二氧化钛、氧化锌或其它颗粒制成的掩蔽层可以使线的背面呈哑光白色,降低线的金属外观。这些层通常具有小的厚度且不允许安全线被最佳地遮蔽。另外,这样的层的厚度的增大影响在透射光下的可见性。
US 2010/0213698 A1公开了这类型的解决方案。该掩蔽层的光散射特性类似于纸的光散射特性。
如果该掩蔽层均匀地覆盖线的一面,则其不透明度降低了文字在透射光下的可见性。可以仅仅将掩蔽层沉积在金属上,但这使制造过程复杂。此外,该掩蔽层可以形成紫外线(UV)的遮蔽物,且因此妨碍发光层在线内的使用。
降低线的可见性的第三解决方案在于制造采取连续的或半色调(half-tone)的半反射性金属层的形式的掩蔽层。该解决方案的缺点在于其降低了文字的可见性。
FR 2871174公开了包括信息载体以及条形掩蔽元件的证件。
US 2002/0056758公开了涂覆于磁层的两面的不透明的保护层。该不透明层可以包括虹彩颜料。一种变型在于利用不透明墨对线进行印刷,该不透明墨例如包含不让紫外线辐射通过的二氧化钛或者光学可变的颜料。
US 5876068描述了涂覆于线的整个表面的反射性金属层。
而且,还已知将包覆有白色的薄掩蔽层或包括哑光剂的薄掩蔽层的金属层涂覆于安全线。这样的层实现了某些造纸机检测器的操作,尤其是扭转安全线的检测器的操作。然而,通过降低金属层的反射,该薄掩蔽层使得该线在反射中更可见。此外,增大该掩蔽层的厚度降低了在透射光下的可见性。
发明内容
需要一种这样的安全元件,在反射光下不太可见,但其在透射光下不过度地降低与安全元件相关联的信息的易辨认性。
本发明通过用于安全证件的安全元件、优选地采用安全线的形式的安全元件来实现该目的,该安全元件包括:
-掩蔽结构,所述掩蔽结构用以在所述元件存在于所述证件内或所述证件的表面上时降低所述元件的表面的可见性,所述掩蔽结构包括纳米级填料和多层干涉颜料。
所述填料和所述颜料接收入射光,且可以添加它们的光学效应来降低所述安全元件的可见性。
所述掩蔽结构优选地采用单个掩蔽层的形式,该单个掩蔽层包括颜料和填料的混合物;或者根据一个变型,所述掩蔽结构采用分别包含填料和颜料的两个叠置的层的形式。这两个层可以是连续的且叠置的。
凭借本发明,由于存在掩蔽结构,该掩蔽结构例如在所述元件的一个面的至少整个面上延伸,因此可以使该安全元件在所述安全元件的可见性将不利地影响证件的外观的一个或多个区域中较不可见。
填料的纳米颗粒的尺寸引起光的取决于入射波长的散射。因此,短(蓝)波长、中(绿)波长和长(红)波长不以相同的强度进行散射。D50尤其在150nm与250nm之间的小尺寸颗粒对蓝光散射较多,因此在透射中(以及因此,如果颗粒位于至少部分地反射的层上,则在镜面反射中)获得占主导地位的红色/橙色,以及在漫反射中获得占主导地位的蓝色。
所述多层干涉颜料具有在反射和透射中优选地选择某些波长的特质。例如,蓝色的虹彩颜料在蓝色波长下比其它波长以镜面反射方向(反射角等于入射角)反射得更多。在透射中,所获得的颜色于是与反射中的颜色互补,即红色/橙色。多层干涉颜料可以是相对透明的,这是因为它们吸收能力弱,因此多层干涉颜料的层在漫反射中(在除了镜面反射方向以外的所有其它方向中)将具有与透射中相同的颜色(与反射中的镜面反射颜色互补)。再次考虑上面的示例,在一张白纸上铺展的蓝色虹彩颜料的层将产生红色/橙色。
通过将与纳米级填料进行的光的散射相关联的颜色和与通过多层干涉颜料进行的漫反射相关联的颜色进行组合,通过合适地选择颜料的颜色和填料的颜色,可以通过加法混色获得与基材的颜色基本上类似的颜色,例如白色;优选地,将蓝色的、绿色的、或者蓝绿色的多层干涉颜料、或者甚至绿色颜料和蓝色颜料的混合物与该纳米级填料组合。
颜料和填料的组合加强了入射光在掩蔽结构内的散射,并降低了安全元件在反射中的可见性。
尽管该安全元件优选地为安全线,但当该安全元件是箔、薄片或另一安全元件时,本发明仍是有利的。
表述“纳米级填料”被理解为表示其D50平均尺寸在1nm和1000nm之间的一种或多种粉状化合物的填料。该填料可以由单一的特定的材料构成,该单一的特定的材料优选地可透过UV辐射。
具体地,该安全元件可以包括至少一种发光剂,且该纳米级填料对于UV辐射、尤其是可用于发光的UV辐射而言,是至少部分地、优选地完全地可透过的。在该情况下,对于UV而言至少部分地可透过的纳米级填料相对于掩蔽结构的重量,以在20%与80%之间、更好地在30%与70%之间、甚至更好地在40%与60%之间的按重量计的量存在。所有的重量为干重,另有说明除外。
可以使用诸如硅石、二氧化钛、碳酸钙、硫酸钡和氧化锌的纳米级填料。
所述填料的纳米级尺寸可以提高光在掩蔽结构内的散射。这样的填料对与可见光对应的波长进行散射,由此可以获得将安全元件掩蔽位于掩蔽结构下面的效果。
优选地,所述纳米级填料具有在30nm与1000nm之间、更好地在30nm与500nm之间、甚至更好地在50nm与300nm之间的D50尺寸。
表述“多层干涉颜料”被理解为表示以下这样的颜料,该颜料通过凭借至少两种具有不同折射率的材料的在光所遵循的路径上的连续的干涉效应而产生颜色。在沉积在片状基底上的层的情况下,多层干涉颜料有时甚至可担当“珍珠母”。多层干涉颜料不同于液晶,液晶还可以由于其内部结构而通过干涉效应产生颜色。
优选地,根据本发明的多层干涉颜料包括透明的、优选地矿物基底,该基底涂覆有折射率与该基底的折射率不同的材料的至少一个层。该颜料可以包括优选地由云母或玻璃制成的片状基底。例如,该颜料包括涂覆有二氧化钛的云母或硅石(二氧化硅)。
优选地,如上所述,干涉颜料具有蓝色、绿色或蓝绿色。
颜料的D50平均尺寸优选地在2微米与150微米之间、更好地在5微米与40微米之间、甚至更好地在5微米与25微米之间。
多层干涉颜料可以是无角异色的(non-goniochromic),且例如仅包括涂覆基底的单个层。
安全元件可以具有两个相反的主面,且该掩蔽结构可以放置成使得降低所述面中的至少一个面的可见性。例如,该掩蔽结构在所述安全元件的承载件的一侧上覆盖所述承载件。凭借填料和颜料的低不透明度,该掩蔽结构可以采用不具有开口的连续涂层形式。因此,有助于制造安全元件。该掩蔽结构可以覆盖由所述安全元件支撑的安全结构的透明区域或半透明区域以及该安全结构的不透明区域。
再优选地,该纳米级填料包括胶态的、尤其是热解的硅石,更好地由热解的胶态硅石构成。包括硅石(二氧化硅)的纳米级填料是有利的,这是因为其具有不吸收对于发光有用的UV辐射的优势,由此可以制造具有在UV下发光、尤其是发荧光的一个或多个层的安全元件。
相对于掩蔽结构的重量,胶态硅石可以以在20%与80%之间、更好地在30%与70%之间、甚至更好地在40%与60%之间的按重量计的量存在。
胶态硅石优选地具有在30nm与1000nm之间、更好地在30nm与500nm之间、甚至更好地在50nm与300nm之间的D50尺寸。
相对于掩蔽结构的重量,多层干涉颜料的按重量计的量在1%与40%之间,更好地在2%与30%之间,甚至更好地在5%与15%之间。所有的重量是干重,另有说明除外。
掩蔽结构的厚度,尤其在该掩蔽结构采用单个层的形式时,可以在2微米与30微米之间,更好地在5微米与20微米之间,甚至更好地在8微米与13微米之间。
颜料和填料(或多种填料)可以分散在粘结剂中,该粘结剂可以是任何类型且尤其在元件的制造期间以流体状态涂覆于该元件。该粘结剂在干燥下或在UV辐射下可以是交联的。
该安全元件可以包括可以以各种方式制造的安全结构。优选地,该安全结构包括尤其通过真空沉积过程印刷或沉积的不透明层以及在该不透明层中的至少一个开口。尤其有利地,该安全结构是反射性的且尤其包括金属化体/去金属化体。优选地,这是尤其与在下面的不透明层相关联的低光密度的反射性安全结构的问题。该金属例如是铝、金、铜、铁、银、铬、镍、锌、镉、铋、及其合金和氧化物。采用例如翻转印迹(negative script)的文字的形式的开口通常通过去金属化而形成在金属中。
该安全元件可以在该掩蔽结构内包括另外的纳米级填料。在该情况下,两种纳米级填料优选地是不同的,至少它们的折射率是不同的且尤其相差至少0.5、更优选地相差至少0.8。
优选地,所述另外的纳米级填料具有在30nm与1000nm之间、更好地在30nm与500nm之间、甚至更好地在50nm与300nm之间的D50尺寸。
因此,添加另外的纳米级填料放大了光散射效应,并且尤其对于掩蔽结构的给定厚度而言,允许获得最佳的掩蔽。
不期望被束缚于一种理论,申请人认为将所述至少两种不同折射率的纳米级填料混合允许放大散射效应,这是因为折射率较低的纳米级填料对遵循较长的光路径且进一步透入掩蔽结构的入射光进行较少的折射,而折射率较高的纳米级填料提高光在掩蔽结构内被散射的次数。因此获得光在所述掩蔽结构内的高透过性和显著的散射二者,因此无需在掩蔽结构不透明的情况下,允许在反射中掩蔽所述安全元件,这将不利地影响安全元件在透射光下的可见性。
该另外的纳米级填料优选地并入到采用单个掩蔽层的形式的掩蔽结构中,该单个掩蔽层包括包含纳米级填料和多层干涉颜料的混合物。
相对于掩蔽结构的重量,该另外的纳米级填料的按重量计的量优选地在1%与40%之间,更好地在2%与30%之间,甚至更好地在3%与15%之间。
该安全元件可以在掩蔽结构中包括当作另外的纳米级填料的二氧化钛。优选地,二氧化钛的量足够小,而不过度地吸收UV辐射且可以在该安全元件内使用至少一种发光化合物,该发光化合物在UV(365nm)下尤其发荧光,该发光化合物例如通过印刷而涂覆或混合到该安全元件的该掩蔽层或漆或粘结剂中。
根据该组合,将注意限制具有最高折射率的纳米级填料(例如二氧化钛)的比例,以限制透射光中的不透明以及如果需要的话则限制UV的吸收。
该二氧化钛优选地具有锐钛矿性质,这是因为其相对于金红石性质的二氧化钛而言,具有更弱地吸收UV的优势。该锐钛矿的二氧化钛尤其对于UV是至少部分地可透射的,且尤其对于在UV域中的至少一个波长范围是可透射的。
相对于掩蔽结构的重量,该二氧化钛可以以在1%与40%之间、更好地在2%与30%之间、甚至更好地在3%与15%之间的按重量计的量存在。
该二氧化钛优选地具有在30nm与1000nm之间、更好地在30nm与500nm之间、甚至更好地在50nm与300nm之间的D50尺寸。
根据优选的变型,所述掩蔽结构采用单个掩蔽层的形式,该单个掩蔽层包含尤其热解的胶态硅石、尤其锐钛矿的二氧化钛和多层干涉颜料的混合物。
根据该变型,胶态硅石引起短(蓝)波长的光的更显著的散射,因此在透射中(以及因此,如果颗粒位于至少部分地反射的层上,则在镜面反射中)获得占主导地位的红色/橙色。该二氧化钛可以通过提高该掩蔽结构内的散射、从而增大不透明度以及因此降低由胶态硅石所产生的红/橙反射性方面,来改变光所遵循的路径。
优选地,根据本发明的安全元件包括承载件,该承载件尤其由热塑性材料制成、优选地由PET或聚酯制成。该承载件优选地是完全透明的。
该安全结构可以位于承载件的一侧,该掩蔽结构位于另一侧。该安全结构和该掩蔽结构还可以均位于承载件的同一侧。该掩蔽结构甚至可以在该承载件的每一侧而存在于该安全元件上两次,这可以是期望的,从而掩蔽例如磁性线。
该安全元件可以包括发光剂、尤其是荧光剂,例如,该发光剂通过印刷而涂覆、混合到漆中、或者混合到安全元件的粘结剂中、或优选地并入到掩蔽结构、更优选地混合到包括该多层干涉颜料和纳米级填料的掩蔽层中。
该安全元件可以包括尤其与该掩蔽结构接触的热密封粘结剂。该粘结剂可以包括发光剂、尤其是在UV下发荧光的发光剂。
有利的是,安全元件尤其在与掩蔽结构不同的层内、优选地在相对于承载件而与该安全结构相反定位的层内(当该层存在时),包括发光剂、优选地在UV下发荧光的发光剂。
根据本发明的另一方面,本发明的另一主题是并入有根据本发明的安全元件的安全证件。该安全元件例如被并入到该证件的基材的主体中、窗口中或表面上。当窗口位于安全元件的正面时,该掩蔽结构可以存在于安全元件的反面上。
该安全元件可以从证件的一个边沿延伸到另一边沿或者可以不从证件的一个边沿延伸到另一边沿。
该证件可以包括一个或多个另外的安全元件,诸如下面限定的安全元件。
在所述另外的安全元件中,在日光下或人造光下,不使用特定的设备,可以由眼睛检测到某些安全元件。这些另外的安全元件例如包括着色的薄片或纤维和/或部分地或完全地金属化的或印刷的线。这些另外的安全元件是所谓的第一级安全元件。
仅使用相对简单的设备,诸如发出紫外光(UV)或红外光(IR)的灯,可检测到其它类型的另外的安全元件。这些另外的安全元件例如包括纤维、薄片、条带、线或颗粒。这些安全元件可以是肉眼可见的或肉眼不可见的,例如,在以365nm的波长发光的伍氏灯的照明下发光。这些安全元件是所谓的第二级安全元件。
为了被检测到,其它类型的另外的安全元件需要更复杂的设备。这些安全元件例如在经受(无论是否同时经受)一个或多个外部激发源时,能够产生特定的信号。信号的自动检测使得,如果需要的话,可以验证该证件。这些另外的安全元件例如包括采用活性材料、颗粒或纤维的形式的示踪物,当这些示踪物经受光电激发、电激发、磁激发或电磁激发时,这些示踪物能够产生特定的信号。这些另外的安全元件是所谓的第三级安全元件。
存在于该证件内的一个或多个另外的安全元件可以具有第一级安全性质、第二级安全性质、或第三级安全性质。
根据本发明的再一方面,本发明的再一主题是一种用于验证如上所限定的证件的方法,其中,在透射光下观察安全元件。该观察可以通过证件中的窗口来进行。
根据本发明的又一方面,本发明的又一主题是一种用于制造如上所限定的证件的方法,其中,将安全元件并入到证件的窗口或表面中。
附图说明
阅读本发明的非限制性的且示例性的实施方式的下列详细描述以及查看附图后,将更好地理解本发明,在附图中:
–图1示意性地示出了根据本发明的示例性安全证件;
–图2以沿着II-II的横剖图示出了安全证件和安全元件;
–图3和图4以沿着II-II的横剖图示出了安全元件的变型;
–图5以剖视图示出了根据本发明的变型的安全证件;
–图6孤立地示出了变型的安全元件;以及
–图7孤立地且从上方示出了图2中的安全元件。
具体实施方式
在附图中,为了使附图清楚,并没有一直遵守各个构成元件的实际的相应部分。此外,可能已经将某些层示为图中的单层,而实际上它们由多个子层构成。在各个构成层之间可能没有示出粘结层。
图1示出了根据本发明的示例性实现的示例性的安全证件1。
证件1包括由一个或多个薄层形成的基材2,该基材2优选地由纸制成。
证件1与根据本发明的安全元件10成为一体,该安全元件10在所讨论的示例中采用线的形式。
安全元件10包括由热塑性材料制成的承载件11,该承载件11确保线的机械强度。该承载件11例如由透明的热塑料性材料制成,该透明的热塑料材料例如为聚对苯二甲酸乙二醇酯(PET)或聚酯。承载件11的厚度e例如在6μm到30μm的范围中,元件10的宽度w例如在1mm到10mm的范围中。
安全元件10包括安全结构12,例如该安全结构12由金属化体/去金属化体形成。因此,例如,该安全结构12包括不透明的金属层12a和采用字母或其它可识别的图案的形式的开口12b。这些开口12b在透射过证件1中的窗口3的光下是可见的。安全结构12还可形成可识别的半色调图像,例如而且,该半色调图像的对象呈现在证件上。尽管该安全结构优选地包括金属化体/去金属化体,但其还可包括印刷图案,例如利用金属油墨、磁性油墨或导电油墨印刷的印刷图案。
安全元件10包括掩蔽结构13,例如如图2所示,该掩蔽结构13采用相对于承载件11而与安全结构12相反定位的单个层的形式。
安全元件10还可包括热密封粘结剂层14,该热密封粘结剂层14如图所示优选地位于元件10的外表面上,例如相对于承载件11而与安全结构12相反的这一侧。该元件10可以在其每一外表面中包括热密封粘结剂层。
层14可以包括发光剂,尤其是荧光剂。该掩蔽结构13可以降低基材2中的元件的可见性,同时在透射时保留图案12b的透明度、以及如果需要的话则保留对UV的透过性。
本发明可以避免在基材内具有过度厚度的问题,这是因为掩蔽结构13可以具有相对小的厚度t。
由于掩蔽层13的存在,本发明允许使用光密度相对低的金属层来制造安全结构12,没有这一点的情况下,无论如何都会使该线在反射下过于可见。
优选地,该掩蔽结构13包括颗粒尺寸为纳米级的胶态的热解硅石以及虹彩颜料,例如来自默克公司(Merck)的
该颜料优选地具有例如由云母制成的透明基底、以及与胶态的热解硅石的光学性质互补的光学性质。当基材是白色的时,颜料优选地是蓝色或绿色或蓝绿色的。该颜料的颜色是非垂直入射的镜面反射中获得的颜色。
胶态的热解硅石由硅石纳米颗粒构成,该硅石纳米颗粒的尺寸对于一半的该颗粒而言小于120nm。
该硅石颗粒的尺寸优选地在30nm与1000nm之间,再优选地在30nm与500nm之间,更优选地在50nm与300nm之间。
掩蔽层的厚度t优选地在2μm与30μm之间,再优选地在5μm与20μm之间,更好地在8μm与13μm之间。
多层干涉颜料相对于掩蔽结构的重量的量优选地在1%与40%之间,更好地在2%与30%之间,优选地在3%与15%之间。
颜料的尺寸优选地在2μm与150μm之间,再优选地在5μm与40μm之间,更优选地在5μm与25μm之间。
示例
使用具有以下组成的掩蔽层13:
-来自Evonik公司的纳米级填料Aerodisp W7330N:按干重计50%;
-来自Merck公司的标号221的虹彩颜料:按干重计10%;以及
-来自Cromogenia-Units公司的粘结剂Cromelastic SE871:按干重计40%。
该层可以通过轮转影印(或回转涂覆)以10微米的均匀厚度的涂层的形式进行涂覆。
在该示例中,安全结构12是具有以翻转印迹的文字的300nm厚的铝层,如图4所示。承载件11由PET制成。
在一个变型中,在安全结构12的金属层的上方,还可以沉积至少一个光学上可变的层(称为OVI)。该附加的层(未示出)例如包括液晶、虹彩颜料和/或干涉层或干涉结构,诸如全息图。
该安全元件还可包括磁性涂层,例如以码形式的磁性涂层。
通常,二氧化钛可以以小的量添加到掩蔽层13中,从而增大光的散射。优选地,这是来自Cristal公司的其D50颗粒尺寸小于220nm的Rutile PGG 121二氧化钛的问题。
在该情况下,下列组成可以替代前面的组成:
-来自Evonik公司的纳米级填料Aerodisp W7330N:按干重计50%;
-来自Merck公司的标号221的虹彩颜料:按干重计6%;
-来自Cristal公司的纳米级填料Rutile PGG 121:按干重计6%;以及
-来自Cromogenia-Units公司的粘结剂Cromelastic SE871:按干重计38%。
另一变型在于在承载件11与掩蔽层13之间的单独的层中沉积二氧化钛。
图3示出了安全结构12和掩蔽结构13位于承载件11的同一侧的可能性。承载件的另一面可以接收任何另外的安全措施,例如发光化合物、光学上可变的结构、全息结构或基于透镜状阵列的结构。
图4示出了其中掩蔽结构13由两个叠置的层13a、13b所组成的安全元件10,该两个叠置的层13a、13b分别包含纳米级填料和多层干涉颜料。这两个层可以叠置地涂覆。
该安全元件可以采取完全并入到安全证件的基材的主体中的安全线的形式。在该情况下,将掩蔽层有利地涂覆到线的两面从而在反射中掩蔽该线,并允许在透射光下可观察到该线。
尽管本发明特别有利地可应用于安全线,但该安全元件10还可采用涂覆到证件1的基材2的表面的箔或贴片的形式,如图5所示。
在该掩蔽结构插入在基材2和安全元件的待隐藏的一个或多个层之间时,根据本发明的掩蔽结构则可以使元件10的内部面19、即转向基材2的面较不可见。
在图6的示例中,安全元件10采用薄片的形式。该掩蔽结构可以在薄片的两个主面上延伸。该薄片可以包括发光化合物,尤其是荧光化合物。
在另一变型中,该安全元件采用尤其是彩色的磁性纤维和/或金属纤维的形式。
尽管本发明优选地应用于白颜色的纸基材,但该基材可以略微着色。
在该情况下,掩蔽层可以是基本上白色的或具有相同的略微的着色。掩蔽层的颜色可以通过调节多层干涉颜料的彩虹色的颜色以及如果需要的话则调节纳米级填料的颜色来调节。
可以使用热解的胶态硅石以外的纳米级填料,该填料优选地是对UV透射的材料且优选地也透明。可以与二氧化硅一起使用其它的纳米级填料(诸如碳酸钙和硫酸钡),和/或其它的纳米级填料(诸如碳酸钙和硫酸钡)可以用来代替硅石。
除非另有规定,否则表述“包括一个”必须被理解为与“包括至少一个”同义。
Claims (23)
1.一种用于安全证件(1)的安全元件(10),所述安全元件包括:
掩蔽结构(13),所述掩蔽结构用以当所述元件存在于所述证件(1)内或存在于所述证件(1)的表面上时减小所述元件的表面的可见性,所述掩蔽结构包括纳米级填料和多层干涉颜料。
2.根据权利要求1所述的元件,所述元件(10)形成安全线、箔、贴片、薄片或纤维。
3.根据权利要求1所述的元件,所述元件(10)具有两个相对的主面且所述掩蔽结构降低所述面中的至少一个面的可见性。
4.根据权利要求1所述的元件,所述多层干涉颜料包括矿物基底,所述矿物基底涂覆有折射率与所述基底的折射率不同的至少一个层。
5.根据权利要求1所述的元件,多层干涉颜料相对于所述掩蔽结构的重量的按重量计的量在1%与40%之间。
6.根据权利要求1所述的元件,所述多层干涉颜料的尺寸在2微米与150微米之间。
7.根据权利要求1所述的元件,所述纳米级填料具有在30nm与1000nm之间的D50尺寸。
8.根据权利要求1所述的元件,所述纳米级填料包括胶态的硅石。
9.根据权利要求8所述的元件,相对于所述掩蔽结构的重量,所述胶态的硅石以在20%与80%之间的按重量计的量存在。
10.根据权利要求1所述的元件,所述掩蔽结构(13)的厚度(t)在2微米与30微米之间。
11.根据权利要求1所述的元件,所述颜料和所述纳米级填料分散在所述掩蔽结构的层内的粘结剂中。
12.根据权利要求1所述的元件,包括至少部分地叠置在所述掩蔽结构(13)上的安全结构(12)。
13.根据权利要求12所述的元件,包括承载件(11)。
14.根据权利要求13所述的元件,所述安全结构(12)位于所述承载件(11)的一侧,且所述掩蔽结构(13)位于另一侧。
15.根据权利要求13所述的元件,所述安全结构(12)和所述掩蔽结构(13)位于所述承载件(11)的同一侧。
16.根据权利要求1所述的元件,包括另外的纳米级填料。
17.根据权利要求16所述的元件,相对于所述掩蔽结构的重量,所述另外的纳米级填料以在1%与40%之间的按重量计的量存在。
18.根据权利要求16所述的元件,所述纳米级填料具有的折射率相差至少0.5。
19.根据权利要求1所述的元件,还包括发光剂。
20.根据权利要求1所述的元件,包括热密封粘结剂(14)。
21.根据权利要求20所述的元件,所述粘结剂包括发光剂。
22.一种并入有如权利要求1所述的安全元件(10)的证件(1)。
23.根据权利要求22所述的证件,所述安全元件采用并入到窗口(3)中的线的形式。
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PCT/IB2014/060560 WO2014167512A1 (fr) | 2013-04-11 | 2014-04-09 | Element de securite comportant un pigment interferentiel et une charge nanometrique |
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Also Published As
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WO2014167512A1 (fr) | 2014-10-16 |
FR3004470A1 (fr) | 2014-10-17 |
FR3004470B1 (fr) | 2015-05-22 |
EP2984229A1 (fr) | 2016-02-17 |
EP2984229B1 (fr) | 2017-05-31 |
EP2984229B2 (fr) | 2022-10-26 |
US10336124B2 (en) | 2019-07-02 |
CN105283602A (zh) | 2016-01-27 |
US20160075165A1 (en) | 2016-03-17 |
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