CN105620900A - 数码防伪垫片及其制备方法 - Google Patents

数码防伪垫片及其制备方法 Download PDF

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CN105620900A
CN105620900A CN201510990825.7A CN201510990825A CN105620900A CN 105620900 A CN105620900 A CN 105620900A CN 201510990825 A CN201510990825 A CN 201510990825A CN 105620900 A CN105620900 A CN 105620900A
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张钦永
巩建宝
荆浩
张川东
孙海德
李亚男
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Shandong Taibao Information Technology Group Co., Ltd
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Shandong Taibao Preventing Counterfeit Product Co Ltd
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Abstract

本发明属于防伪材料技术领域，具体涉及一种数码防伪垫片及其制备方法。数码防伪垫片是PE层、铝箔层、第一胶层、数码层、PET层、第二胶层与吸收层由内至外依次相连。本发明实现开盖即检的功能，杜绝了垫片的二次使用；使用环保材料复合制作防伪铝箔垫片，提高了环保功能。

Description

数码防伪垫片及其制备方法
技术领域
本发明属于防伪材料技术领域，具体涉及一种数码防伪垫片及其制备方法。
背景技术
在食品或药品等领域，灌装或瓶装的封口，通常采用电磁感应铝箔垫片实现密封，以阻隔空气和水分，达到延长食品或药品保质期的目的，在假冒伪劣商品日益猖獗的今天，因食品、药品直接关系到人体健康，所以食品、药品的防伪成为重中之重。
发明内容
本发明的目的是提供一种数码防伪垫片，增强了防伪力度，杜绝了垫片的二次使用，提高了环保功能；本发明同时提供了数码防伪垫片的制备方法，科学合理、简单易行。
本发明所述的数码防伪垫片是PE层、铝箔层、第一胶层、数码层、PET层、第二胶层与吸收层由内至外依次相连。
所述的PE层厚度为15-30μm。
所述的第一胶层的材质为高聚聚氨酯，其固含量为100％；第一胶层的厚度为15-20微米。
所述的第二胶层的材质是复合胶DH-3018，复合胶DH-3018是厦门鼎宏热熔胶有限公司生产。
所述的吸收层是原浆纸层，吸收层的厚度为1-2mm。
本发明数码信息内容是不可透视的，只有吸收层与PET层分离后才可以识读数码内容，并且每个垫片的数码信息内容的位置是相对固定的，每个垫片的数码信息是独立的。
本发明所述的数码防伪垫片的制备方法，步骤如下：
(1)选择铝箔，利用流延机在铝箔上面涂布PE层；
(2)选择PET，利用赋码机在PET上面赋上身份唯一的镜像防伪码，且各个防伪码之间的间距是等同的；
(3)使用无溶剂复合机将上述的铝箔和PET进行复合，复合面为铝箔面和数码层面；
(4)根据上述单个防伪数码之间的相对位置，制作对应的凹印版，并利用凹印机采用二次印刷工艺在步骤(3)复合好的半成品PE面定位印刷规矩线和单个垫片的模切线；
(5)利用干式复合机将步骤(4)中复合好半成品的PET面涂布复合胶DH-3018并与原浆纸进行复合；
(6)根据规矩线和模切线位置裁切成单个的防伪垫片。
步骤(1)中所述的铝箔的厚度为50-60μm。
步骤(1)中所述的涂布的车速为50-80米/分钟。
步骤(2)中所述的PET的厚度为12-30μm。
步骤(4)中所述的定位偏差≤0.2mm。
步骤(5)中所述的复合胶DH-3018在化料槽融化温度为80-90℃，复合中复合辊温度为40-50℃。
本发明与现有技术相比，具有如下有益效果：
1、解决了数码隐藏的实施办法，并同时解决定位模切垫片的方法。
2、实现开盖即检的功能，杜绝了垫片的二次使用。
3、使用环保材料复合制作防伪铝箔垫片，提高了环保功能。
4、利用数字身份管理系统对每一片防伪铝箔封口垫片赋予二维码，对产品实施精细化的管理，达到防伪、防串货等管理目的。
本发明的防伪铝箔封口垫片，不仅达到了密封的目的，同时也起到了打假护优的作用，严厉打击了食品、药品行业假冒伪劣产品的产生。
具体实施方式
以下结合实施例对本发明做进一步描述。
实施例1
客户订单300万枚
(1)选择厚度为50μm的铝箔，利用流延机在铝箔上面涂布PE层，PE层厚度为20μm，车速为80米/分钟。
(2)选择厚度为12μm的PET，利用赋码机在PET上面赋上身份唯一的镜像防伪码，且各个防伪码之间的间距是等同的。
(3)使用无溶剂复合机将上述的铝箔和PET进行复合，复合面为铝箔面和数码层面。
(4)根据上述单个防伪数码之间的相对位置，制作对应的凹印版，并利用凹印机采用二次印刷工艺在步骤(3)复合好的半成品PE面定位印刷规矩线和单个垫片的模切线，定位偏差≤0.2mm。
(5)利用干式复合机将步骤(4)中复合好半成品的PET面涂布复合胶DH-3018并与原浆纸进行复合。复合胶DH-3018在化料槽融化温度为80℃。复合辊温度为40℃。
(6)根据规矩线和模切线位置裁切成单个的防伪垫片。
实施例2
客户订单600万枚
(1)选择厚度为55μm的铝箔，利用流延机在铝箔上面涂布PE层，PE层厚度为25μm，车速为70米/分钟。
(2)选择厚度为20μm的PET，利用赋码机在PET上面赋上身份唯一的镜像防伪码，且各个防伪码之间的间距是等同的。
(3)使用无溶剂复合机将上述的铝箔和PET进行复合，复合面为铝箔面和数码层面。
(4)根据上述单个防伪数码之间的相对位置，制作对应的凹印版。并利用凹印机采用二次印刷工艺在步骤(3)复合好的半成品PE面定位印刷规矩线和单个垫片的模切线，定位偏差≤0.2mm。
(5)利用干式复合机将步骤(4)中复合好半成品的PET面涂布复合胶DH-3018并与原浆纸进行复合。复合胶DH-3018在化料槽融化温度为85℃。复合辊温度为45℃。
(6)根据规矩线和模切线位置裁切成单个的防伪垫片。
实施例3
客户订单700万枚
(1)选择厚度为60μm的铝箔，利用流延机在铝箔上面涂布PE层，PE层厚度为30μm，车速为50米/分钟。
(2)选择厚度为30μm的PET，利用赋码机在PET上面赋上身份唯一的镜像防伪码，且各个防伪码之间的间距是等同的。
(3)使用无溶剂复合机将上述的铝箔和PET进行复合，复合面为铝箔面和数码层面。
(4)根据上述单个防伪数码之间的相对位置，制作对应的凹印版。并利用凹印机采用二次印刷工艺在步骤(3)复合好的半成品PE面定位印刷规矩线和单个垫片的模切线，定位偏差≤0.2mm。
(5)利用干式复合机将步骤(4)中复合好半成品的PET面涂布复合胶DH-3018并与原浆纸进行复合。复合胶DH-3018在化料槽融化温度为90℃。复合辊温度为50℃。
(6)根据规矩线和模切线位置裁切成单个的防伪垫片。

Claims (10)

1.一种数码防伪垫片，其特征在于PE层、铝箔层、第一胶层、数码层、PET层、第二胶层与吸收层由内至外依次相连。
2.根据权利要求1所述的数码防伪垫片，其特征在于所述的PE层厚度为15-30μm。
3.根据权利要求1所述的数码防伪垫片，其特征在于所述的第一胶层的材质为高聚聚氨酯，其固含量为100％；第一胶层的厚度为15-20微米。
4.根据权利要求1所述的数码防伪垫片，其特征在于所述的第二胶层的材质是复合胶DH-3018。
5.根据权利要求1所述的数码防伪垫片，其特征在于所述的吸收层是原浆纸层，吸收层的厚度为1-2mm。
6.一种权利要求1-5任一所述的数码防伪垫片的制备方法，其特征在于步骤如下：
(1)选择铝箔，利用流延机在铝箔上面涂布PE层；
(2)选择PET，利用赋码机在PET上面赋上身份唯一的镜像防伪码，且各个防伪码之间的间距是等同的；
(3)使用无溶剂复合机将上述的铝箔和PET进行复合，复合面为铝箔面和数码层面；
(4)根据上述单个防伪数码之间的相对位置，制作对应的凹印版，并利用凹印机采用二次印刷工艺在步骤(3)复合好的半成品PE面定位印刷规矩线和单个垫片的模切线；
(5)利用干式复合机将步骤(4)中复合好半成品的PET面涂布复合胶DH-3018并与原浆纸进行复合；
(6)根据规矩线和模切线位置裁切成单个的防伪垫片。
7.根据权利要求6所述的数码防伪垫片的制备方法，其特征在于步骤(1)中所述的铝箔的厚度为50-60μm。
8.根据权利要求6所述的数码防伪垫片的制备方法，其特征在于步骤(1)中所述的涂布的车速为50-80米/分钟。
9.根据权利要求6所述的数码防伪垫片的制备方法，其特征在于步骤(2)中所述的PET的厚度为12-30μm。
10.根据权利要求6所述的数码防伪垫片的制备方法，其特征在于步骤(5)中所述的复合胶DH-3018在化料槽融化温度为80-90℃，复合中复合辊温度为40-50℃。
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CN107235228B (zh) * 2017-05-04 2019-09-24 中山国安火炬科技发展有限公司 一种功能型瓶盖垫片的生产工艺

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