CN111539505A - 一种热转印电子标签及制备方法 - Google Patents

一种热转印电子标签及制备方法 Download PDF

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CN111539505A
CN111539505A CN202010509689.6A CN202010509689A CN111539505A CN 111539505 A CN111539505 A CN 111539505A CN 202010509689 A CN202010509689 A CN 202010509689A CN 111539505 A CN111539505 A CN 111539505A
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layer
glue
printing
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drying
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翟慎道
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Zhejiang Meisheng Intelligent System Co ltd
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Abstract

本发明公开了一种热转印电子标签,包括基材,在基材上印刷有油墨以形成图案层,所述图案层上方印刷有胶水以形成第一胶水层,所述第一胶水层上贴附有芯片,所述芯片上印刷有胶水以形成第二胶水层,第二胶水层覆盖芯片,所述第二胶水层上设置有热熔层,本发明将芯片粘贴嵌入在热转印标签内,方便数据存储、读取和防伪,其在水洗后外观完好且无分层现象,芯片信息依然可被正常读取。

Description

一种热转印电子标签及制备方法
技术领域
本发明属于电子标签领域,更具体的说涉及一种热转印电子标签及制备方法。
背景技术
申请号为2013100580182的中国专利公开了一种超高频织标电子标签制造方法,该制造方法包括丝印离型剂、丝印第一透明油墨层、丝印油墨、丝印天线、封装超高频芯片、丝印第二透明油墨层、丝印粘合剂、分切、烫印、撕走承印片等步骤,同时依照此方法生产公开了一种超高频织标电子标签,其中,超高频织标电子标签制造方法,以织标为基材,将单个的嵌体直接烫印在织标上,与现有的超高频织标电子标签制造方法相比,无需额外的包裹等工序,从而简化制造工艺。
上述专利申请虽然公开了一种织标电子标签,但其制成布料成品或衣服时,此织标电子标签若在外部则不够美观。
目前还有的电子标签是与图案标签结合在一起,如申请号为2014202398610的中国专利公开了一种印在衣服上的RFID标签,包括最少两层与衣服粘附的热熔胶,热熔胶外层设有4-6层水性弹涂油墨,在水性弹涂油墨中间印刷RFID柔性天线,芯片嵌在RFID柔性天线线圈内,水性弹涂油墨外层设有2-4层油墨印刷的图案,图案最外层设有PET离型膜。
其虽然将图案与RFID结合在一起,但其芯片嵌在水性弹涂油墨中间,在对标签进行多次水洗后,油墨层与芯片层易发生分层脱落,甚至造成芯片的裸露损坏、影响信息读取。
发明内容
针对现有技术的不足,本发明提供了一种将芯片嵌入在热转印标签内,方便数据存储、读取和防伪,且对电子标签进行有效保护,使电子标签在水洗后芯片依然正常使用。
为实现上述目的,本发明提供了如下技术方案:一种热转印电子标签,包括基材,在基材上印刷有油墨以形成图案层,所述图案层上方印刷有胶水以形成第一胶水层,所述第一胶水层上贴附有芯片,所述芯片上印刷有胶水以形成第二胶水层,第二胶水层覆盖芯片,所述第二胶水层上设置有热熔层。
进一步的所述热熔层包括至少一层胶水。
进一步的每层胶水的厚度为0.02-0.04mm
或者的所述热熔层包括至少一层透明油墨及吸附在透明油墨上的热熔粉。
进一步的所述第二胶水层上方印刷有色油墨以形成遮挡层。
进一步的所述第二胶水层上方印刷有防升华油墨以形成防升华层。
进一步的所述图案层与第一胶水层之间设置有白底层。
进一步的所述图案层包含有至少三层。
进一步的所述图案层及白底层共包含有至少三层油墨。
进一步的所述芯片为RFID或NFC。
一种热转印电子标签的制备方法,包括如下步骤,
S1:在基材上印刷有色油墨后并通过烘道进行烘干,以形成图案层;
S2:在图案层上方至少印刷一遍胶水并通过烘道进行烘干,形成第一胶水层;
S3:在第一胶水层上方将芯片贴在第一胶水层上;
S4:在步骤S3后至少印刷一遍胶水并通过烘道进行烘干,使胶水同时印刷于第一胶水层和芯片上,形成第二胶水层;
S5:在第二胶水层上方至少印刷一遍胶水经过烘道进行烘干,形成热熔层;或在第二胶水层上方印刷透明油墨,而后在湿润的透明油墨表面撒上热熔粉,再经过烘道进行烘干,形成热熔层。
进一步的在步骤S4之后步骤S5之前,在第二胶水层上方印刷至少一层有色油墨,并通过烘道进行烘干形成遮挡层,以遮挡芯片不外露。
进一步的在步骤S4后步骤S5之前,在第二胶水层上方印刷防升华油墨并通过烘道进行烘干,形成防升华层。
进一步的在遮挡层上方印刷防升华油墨并通过烘道进行烘干,形成防升华层。
进一步的在步骤S1印刷油墨形成图案层后,在其上印刷白色油墨并通过烘道进行烘干,形成白底层。
在步骤S1中,采用数字印刷机印刷油墨,以形成图案层后,在图案层上方通过丝网印刷机印刷透明油墨并经过烘道进行烘干。
与现有技术相比,本发明的有益效果是:
1、将芯片(RFID或NFC)嵌入至热转印标签内,利用第一胶水层和第二胶水层牢固包裹保护,图案层不易被芯片破坏,且相互之间不会发生分层脱落;
2、采用多层油墨与液态胶水,增强整个标签的弹性及拉伸性能;
3、在经过水洗后整个标签依然保持完整,且芯片能够正常的读取使用;
4、利用遮挡层将芯片更好地隐藏在标签内,标签更加美观,且可以避免他人知晓内部有芯片而进行造假。
附图说明
图1为本发明热转印电子标签实施例一的结构示意图;
图2为本发明热转印电子标签实施例二的结构示意图;
图3为本发明热转印电子标签实施例三的结构示意图;
图4为本发明热转印电子标签实施例四的结构示意图。
附图标记:1、基材;2、图案层;3、白底层;4、第一胶水层;5、第二胶水层;6、芯片;7、热熔层;8、遮挡层;9、防升华层。
具体实施方式
在本发明的描述中,需要说明的是,对于方位词,如有术语“中心”,“横向(X)”、“纵向(Y)”、“竖向(Z)”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示方位和位置关系为基于附图所示的方位或位置关系,仅是为了便于叙述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定方位构造和操作,不能理解为限制本发明的具体保护范围。
此外,如有术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或隐含指明技术特征的数量。由此,限定有“第一”、“第二”特征可以明示或者隐含包括一个或者多个该特征,在本发明描述中,“数个”、“若干”的含义是两个或两个以上,除非另有明确具体的限定。
实施例一:
如图1所示,一种热转印电子标签,包括基材1,在基材1上印刷有油墨以形成图案层2,所述图案层2上方印刷有胶水以形成第一胶水层4,所述第一胶水层4上贴附有芯片6,所述芯片6上印刷有胶水以形成第二胶水层5,第二胶水层5覆盖芯片6,所述第二胶水层5上设置有热熔层7。
在本实施例中基材1可以为PET、纸或其他材质,其中胶水可采用液态胶水或固态胶水,以下以液态胶水为例。
本实施例中的热熔层7可采用如下方式成型,方式一:在第二胶水层5上印刷第三液态胶水,第三液态胶水形成热熔层7;方式二:在第二胶水层5上印刷透明油墨,在透明油墨湿润状态时在其表面撒热熔粉形成热熔层7,其中透明油墨用以给热熔粉提供液体的环境,以吸附热熔粉,透明油墨在行业内亦称为透明油。
在使用时,将热转印电子标签利用热转印技术转印在承载物如布料上,热熔层7与布料直接接触,图案层2一面朝向外侧,也就是在热转印标签转印至布料上后,图案层2可以被直接看到为正面,热熔层7为背面,那么背面朝向布料,而正面朝向外侧,通过图案层2的油墨及第一胶水层4将芯片6覆盖,使得芯片6不易穿破图案层2,且通过覆上第二胶水层5,对芯片6包裹性更佳,在水洗时芯片6不受影响,依然能够正常读取使用。
本实施例优选的所述图案层2与第一胶水层4之间设置有白底层3,白底层3为通过白色油墨印刷,其具有良好的不透明性,使得正面观看电子标签时图案能够良好的显示不会被其后的芯片6、布料等影响,同时将芯片6遮盖,达到隐藏芯片6的目的。
在本实施例中优选的所述图案层2设置有至少三层油墨,三层油墨采用丝网印刷机或其他印刷机进行印刷,通常待印刷的图案层2的颜色种类越多,所需印刷的遍数也越多,同时印刷多遍则形成图案层2,层数越多油墨整体的弹性越佳,提高标签的拉伸性能,同时较多的层数使得图案层2不易被芯片6所破坏,通过丝网印刷机印刷的油墨优选的采用较为环保的水性油墨。
本实施例优选的内置的芯片6为RFID或NFC,当其用作防伪功能时,通过移动终端读取到RFID或NFC中的预存信息与数据库中的信息进行比对,根据比对结果反馈该热转印电子标签对应的产品的真伪。由于热转印电子标签始终附着在产品上,较普通的外挂电子标签供用户进行信息读取、防伪识别更为可靠、实用。
实施例一的制备方法:
一种热转印电子标签的制备方法,包括如下步骤,
S1:在基材1上印刷油墨后并通过烘道进行烘干,形成图案层2;
本实施例基材1以PET为例,将PET置于丝网印刷机上,根据需要印刷的图案,依次将油墨印刷于PET上,如需要印刷三遍油墨使图案层2成型,那么第一遍油墨印刷于PET表面,而后使其经过烘道进行烘干,形成图案层2的第一层油墨;再进行第二遍油墨的印刷,此时第二遍油墨印刷于第一层油墨上方,而后经过烘道进行烘干,形成第二层油墨;最后在第二层油墨上方进行第三遍油墨的印刷,经过烘道进行烘干,形成第三层油墨,三层油墨共同构成需要印刷的图案层2,当然若需要印刷更多层油墨的图案层2,方法与上述相同,每印刷完一遍油墨均需要经烘道烘干后再进行下一遍油墨的印刷,若不能完全烘干易导致图案层2各油墨层间的分层。
在印刷油墨形成图案层2时,优选的采用环保的水性油墨。
S2:在烘干完成的图案层2上方通过丝网印刷技术至少印刷一遍液态胶水并通过烘道进行烘干,形成第一胶水层4;在液态胶水印刷多层时,每一遍(层)液态胶水印刷完成后均需要经过烘道烘干后再进行下一遍液态胶水的印刷。
S3:在烘干完成的第一胶水层4上方将芯片6贴在第一胶水层4上;优选的芯片6的厚度小于0.1mm,芯片6的平面尺寸小于第一胶水层4的面积,更优选地芯片6一面或者两面均具有粘性;或者优选地,芯片6成品为嵌入在两层基材1间,可以人工或者通过贴标机剥开一层基材1并使芯片6(包含另一层基材1)贴附于第一胶水层4上方,更优选地芯片6与第一胶水层4接触的一侧具有粘性,芯片6包括承载其的一层基材1整体厚度小于0.1mm。
S4:在步骤S3后通过丝网印刷技术至少印刷一遍液态胶水并通过烘道进行烘干,使液态胶水同时印刷于第一胶水层4和芯片6上,形成第二胶水层5;即将步骤S3完成的半成品通过丝网印刷机,使液态胶水印刷在芯片6表面,同时液态胶水也印刷在芯片6未覆盖区域的第一胶水层4表面,即芯片6完全被第一胶水层4和第二胶水层5所包裹在内,芯片6无任何外露(与外界空气接触)的部分,且第二胶水层5与第一胶水层4均为液态胶水烘干固化而成,二者黏结牢固难分离;在本实施例中第二胶水层5具有多层时,每一层第二胶水层5印刷成型前均需在前一层第二胶水层5的液态胶水经过烘道完全烘干后进行印刷。
S5:在第二胶水层5上方通过丝网印刷技术至少印刷一遍液态胶水经过烘道进行烘干,形成热熔层7;或在第二胶水层5上方通过丝网印刷技术印刷透明油墨,而后在湿润的透明油墨表面撒上热熔粉,再经过烘道进行烘干,形成热熔层7。
本实施例优选的每一层胶水的厚度为0.02-0.04mm。
本实施例中步骤S5,可以采用如上两种方式形成热熔层7,对于第一种方式采用液态胶水烘干形成热熔层7,可以无需热熔粉,制备工艺更加简单,且电子标签整体各层之间采用液态胶水黏结,各层之间更加牢固;对于第二种方式采用印刷透明油墨后撒热熔粉再烘干,因透明油墨的弹性较好,可以提高整个标签的弹性即表现为拉伸性能好。
在本实施例中经过烘道烘干的温度优选的采用85-110度的高温烘干,烘干时间短。
在本实施例中步骤S1中,还可以采用数字印刷机,其中内置电子墨水,将电子墨水印刷在基材1上形成图案层2,印刷完成后再通过丝网印刷机在其表面上印刷至少一层透明油墨,以增强图案层2的油墨弹性,且透明油墨不会影响通过数字印刷机印制好的图案层2的颜色显示,经烘道烘干后再进行步骤S2。
在本实施例中为增加白底层3,则在步骤S1之后,即步骤S2之前,在图案层2表面通过丝网印刷技术印刷白色油墨并通过烘道进行烘干,形成白底层3,那么步骤S2的液态胶水印刷于白底层3上形成第一胶水层4。
实施例二:
如图2所示,在本实施例中相较于实施例一的区别是:所述第二胶水层5上方印刷有色油墨以形成遮挡层8,也就是遮挡层8布置于在热熔层7与第二胶水层5之间,其余技术特征与实施例一相同。
其具体的为遮挡层8印刷于第二胶水层5上,那么在电子标签转印在布料上时,由布料反面的一侧(芯片6的背面)观看电子标签时,由于芯片6被遮挡层8覆盖,将芯片6隐藏,其与实施例一的白底层3配合,能够达到无论由标签的正面还是布料的反面观察,均无法察觉内部具有芯片6,同时由于芯片6厚度薄,从侧面也难以观察到内部的芯片6。
实施例二的制备方法:包括如下步骤,
S1:在基材1上印刷油墨后并通过烘道进行烘干,以形成图案层2;
S2:在图案层2上方通过丝网印刷技术至少印刷一遍液态胶水并通过烘道进行烘干,形成第一胶水层4;
S3:在第一胶水层4上方通过贴标机将芯片6贴在第一胶水层4上;
S4:在步骤S3后通过丝网印刷技术至少印刷一遍液态胶水并通过烘道进行烘干,使液态胶水同时印刷于第一胶水层4和芯片6上,形成第二胶水层5;
S41:在第二胶水层5上方通过丝网印刷技术印刷至少一层有色油墨,并通过烘道进行烘干形成遮挡层8,以遮挡芯片6不外露;此处的油墨采用如黑色或其他颜色油墨,此油墨颜色视图案层2颜色及烫印的布料颜色决定,可以从芯片6的背面遮盖住芯片6又不会影响到图案层2的颜色显示。
S5:在遮挡层8上方通过丝网印刷技术至少印刷一遍液态胶水经过烘道进行烘干,形成热熔层7;或在防升华层9上方通过丝网印刷技术印刷透明油墨,而后在湿润的透明油墨表面撒上热熔粉,再经过烘道进行烘干,形成热熔层7。
其余技术特征与实施例一相同。
实施例三:
如图3所示,在本实施例中相较于实施例一的区别是:所述第二胶水层5上方印刷有防升华油墨以形成防升华层9,也就是防升华层9位于第二胶水层5和热熔层7之间,在使用时,电子标签转印在布料上,防升华层9能够防止布料上的颜色升华至电子标签上,使电子标签不被染色,能够始终明显的显示正确的图案层2的内容。
实施例三的制备方法:包括如下步骤,
S1:在基材1上印刷油墨后并通过烘道进行烘干,以形成图案层2;
S2:在图案层2上方通过丝网印刷技术至少印刷一遍液态胶水并通过烘道进行烘干,形成第一胶水层4;
S3:在第一胶水层4上方通过贴标机将芯片6贴在第一胶水层4上;
S4:在步骤S3后通过丝网印刷技术至少印刷一遍液态胶水并通过烘道进行烘干,使液态胶水同时印刷于第一胶水层4和芯片6上,形成第二胶水层5;
S41:在第二胶水层5上方通过丝网印刷技术印刷防升华油墨并通过烘道进行烘干,形成防升华层9。
S5:在防升华层9上方通过丝网印刷技术至少印刷一遍液态胶水经过烘道进行烘干,形成热熔层7;或在防升华层9上方通过丝网印刷技术印刷透明油墨,而后在湿润的透明油墨表面撒上热熔粉,再经过烘道进行烘干,形成热熔层7。
其余技术特征与实施例一相同。
实施例四:
如图4所示,在本实施例中相较于实施例一的区别是:在第二胶水层5上方印刷有遮挡油墨以形成遮挡层8,同时在遮挡层8的上方印刷有防升华油墨以形成防升华层9,此时遮挡层8用于遮挡住芯片6的背面,使芯片6得以隐藏,而防升华层9能够防止布料上的颜色升华至电子标签上,特别是遮挡层8上,使遮挡层8保持原色,不会发生变色而失去遮挡作用。
实施例四的制备方法:包括如下步骤,
S1:在基材1上印刷油墨后并通过烘道进行烘干,以形成图案层2;
S2:在图案层2上方通过丝网印刷技术至少印刷一遍液态胶水并通过烘道进行烘干,形成第一胶水层4;
S3:在第一胶水层4上方通过贴标机将芯片6贴在第一胶水层4上;
S4:在步骤S3后通过丝网印刷技术至少印刷一遍液态胶水并通过烘道进行烘干,使液态胶水同时印刷于第一胶水层4和芯片6上,形成第二胶水层5;
S41:在烘干的第二胶水层5上方通过丝网印刷技术印刷一层具有颜色的油墨,并通过烘道进行烘干形成遮挡层8;
S42:在遮挡层8上方通过丝网印刷技术印刷防升华油墨并通过烘道进行烘干,形成防升华层9;
S5:在防升华层9上方通过丝网印刷技术至少印刷一遍液态胶水经过烘道进行烘干,形成热熔层7;或在防升华层9上方通过丝网印刷技术印刷透明油墨,而后在湿润的透明油墨表面撒上热熔粉,再经过烘道进行烘干,形成热熔层7。
其余技术特征与实施例一相同。
本申请中实施例一至实施例四的电子标签,均具有热转印功能,方便将其转印在布料上,同时在利用丝网印刷技术印刷油墨或液态胶水时,均需要在前道步骤中油墨或液态胶水完全烘干后再进行、否则亦容易导致图案层2间的油墨分层或者图案层2与其他层的分层,特别是多层液态胶水的使用使得相互两层之间结合牢固,同时能够将芯片6牢牢的包裹在内,多层的油墨和胶水结构使得标签整体弹性增加,芯片6不易戳破电子标签的正面和背面,在使用时,热转印电子标签与承载其的衣物可共同水洗,水洗后热转印电子标签外观完好且不会发生分层现象,且内置的RFID或者NFC芯片6可以被正常的读取识别。
将本实施例一至实施例四制备的标签与现有技术方法制备的标签经水洗测试,具体测试方法为:将热转印电子标转印在布料上,置于搅拌式/滚筒洗衣机中搅拌、洗衣机中水温为41度、每次搅拌90分钟(洗衣机自带烘干功能,在每次搅拌完后进行烘干,烘干后再继续搅拌,循环5/10次),而后通过读取装置读取标签内芯片中预存的信息,获得如下表所示对比结果:
Figure BDA0002527458970000111
Figure BDA0002527458970000121
Figure BDA0002527458970000131
如上表所示,以本实施例一至四制备方法获得的标签具有如下特点:
1)标签仍然完好且芯片未损坏可以读取,通过相应RFID读取器/带NFC功能的手机可进行数据读取;
2)标签未出现分层现象(分层意指油墨层、胶水层、芯片等各层连接得好,未分开)。
以上所述仅是本发明的优选实施方式,本发明的保护范围并不仅局限于上述实施例,凡属于本发明思路下的技术方案均属于本发明的保护范围。应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理前提下的若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。

Claims (16)

1.一种热转印电子标签,其特征在于:包括基材,在基材上印刷有油墨以形成图案层,所述图案层上方印刷有胶水以形成第一胶水层,所述第一胶水层上贴附有芯片,所述芯片上印刷有胶水以形成第二胶水层,第二胶水层覆盖芯片,所述第二胶水层上设置有热熔层。
2.根据权利要求1所述的热转印电子标签,其特征在于:所述热熔层包括至少一层胶水。
3.根据权利要求1或2所述的热转印电子标签,其特征在于:每层胶水的厚度为0.02-0.04mm。
4.根据权利要求1所述的热转印电子标签,其特征在于:所述热熔层包括至少一层透明油墨及吸附在透明油墨上的热熔粉。
5.根据权利要求1所述的热转印电子标签,其特征在于:所述第二胶水层上方印刷有色油墨以形成遮挡层。
6.根据权利要求1或5所述的热转印电子标签,其特征在于:所述第二胶水层上方印刷有防升华油墨以形成防升华层。
7.根据权利要求1所述的热转印电子标签,其特征在于:所述图案层与第一胶水层之间设置有白底层。
8.根据权利要求1或2所述的热转印电子标签,其特征在于:所述图案层包含至少三层油墨。
9.根据权利要求7所述的热转印电子标签,其特征在于:所述图案层及白底层共包含有至少三层油墨。
10.根据权利要求1所述的热转印电子标签,其特征在于:所述芯片为RFID或NFC。
11.一种热转印电子标签的制备方法,其特征在于,包括如下步骤,
S1:在基材上印刷油墨后并通过烘道进行烘干,以形成图案层;
S2:在图案层上方至少印刷一遍胶水并通过烘道进行烘干,形成第一胶水层;
S3:在第一胶水层上方将芯片贴在第一胶水层上;
S4:在步骤S3后至少印刷一遍胶水并通过烘道进行烘干,使胶水同时印刷于第一胶水层和芯片上,形成第二胶水层;
S5:在第二胶水层上方至少印刷一遍胶水经过烘道进行烘干,形成热熔层;或在第二胶水层上方印刷透明油墨,而后在湿润的透明油墨表面撒上热熔粉,再经过烘道进行烘干,形成热熔层。
12.根据权利要求11所述的热转印电子标签的制备方法,其特征在于:在步骤S4之后步骤S5之前,在第二胶水层上方印刷至少一层有色油墨,并通过烘道进行烘干形成遮挡层,以遮挡芯片不外露。
13.根据权利要求11所述的热转印电子标签的制备方法,其特征在于:在步骤S4后步骤S5之前,在第二胶水层上方印刷防升华油墨并通过烘道进行烘干,形成防升华层。
14.根据权利要求12所述的热转印电子标签的制备方法,其特征在于:在遮挡层上方印刷防升华油墨并通过烘道进行烘干,形成防升华层。
15.根据权利要求11所述的热转印电子标签的制备方法,其特征在于:在步骤S1印刷油墨形成图案层后,在其上印刷白色油墨并通过烘道进行烘干,形成白底层。
16.根据权利要求11所述的热转印电子标签的制备方法,其特征在于:在步骤S1中,采用数字印刷机印刷油墨形成图案层后,在图案层上方通过丝网印刷机印刷透明油墨并经过烘道进行烘干。
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