CN105818559B - 一种用于药品包装的镭射防伪材料及其加工工艺 - Google Patents

一种用于药品包装的镭射防伪材料及其加工工艺 Download PDF

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CN105818559B
CN105818559B CN201610158527.6A CN201610158527A CN105818559B CN 105818559 B CN105818559 B CN 105818559B CN 201610158527 A CN201610158527 A CN 201610158527A CN 105818559 B CN105818559 B CN 105818559B
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徐祥祥
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JIANGSU JINHENG NEW STYLE PACKAGE MATERIAL CO Ltd
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Abstract

本发明公开一种用于药品包装的镭射防伪材料，包括外保护层、镭射防伪层、铝箔层、衬纸层、纸板层和遮光材料层，所述镭射防伪层贴附于所述铝箔层的光面上，所述外保护层为透明层，淋膜于所述镭射防伪层表面，所述衬纸层贴附于所述铝箔层的哑光面上，所述纸板层贴附于所述衬纸层的外表面，所述遮光材料层涂布于所述纸板层的外表面。本发明中采用水性镭射转移涂料，避免了油性转移涂料在烘干过程中毒性气体的挥发，得到的包装材料适用于包装人类直接食用的产品，符合绿色化生产要求；本发明的加工方法成品率高，适于市场推广，本产品具有遮光性能，适用于包装需避光保存的药物类物品。

Description

一种用于药品包装的镭射防伪材料及其加工工艺
技术领域
本发明属于包装材料技术领域，具体涉及一种用于药品包装的镭射防伪材料及其加工工艺。
背景技术
镭射防伪技术是利用激光光源在极短的时间内将光波振幅信息和相应信息同时记录下来，利用光的干涉原理反映出构成图像的每一个质点，制作成唯一的防伪图版，从而达到防伪的目的。
目前各生产厂家为保证产品质量，多将镭射防伪技术应用于产品包装或直接应用于产品上，以防止假冒产品破坏企业形象。特别是对于高档烟、酒以及医药包装行业，假烟、假酒以及假药的出现不仅损害商家和消费者的经济利益还损害了消费者的身体健康，需严格杜绝。镭射防伪技术应用到包装材料上主要基于膜转移的工作原理，在整个工作过程中包括制版、成膜、膜转移以及剥离等工序，整个工序中仍存在膜转移不彻底、剥离不干净等问题；随着环境污染问题的加剧，人们的环保意识越来越强，对于包装材料的绿色化要求也越来越高，因此，在保证包装材料具有防伪特性的同时还要求其可自然降解性能，进一步维护地球的可持续发展；此外，在药品包装时，因大部分药物需要避光保存，采用普通的包装纸达不到理想的避光保存的效果，因而需要一种遮光效果好的防伪包装材料。
发明内容
发明目的：本发明目的在于针对现有技术的不足，提供一种成品率高、遮光效果好并且环保的用于药品包装的镭射防伪材料及其加工工艺。
技术方案：本发明所述的一种用于药品包装的镭射防伪材料，包括外保护层、镭射防伪层、铝箔层、衬纸层、纸板层和遮光材料层，所述镭射防伪层贴附于所述铝箔层的光面上，所述外保护层为透明层，淋膜于所述镭射防伪层表面，所述衬纸层贴附于所述铝箔层的哑光面上，所述纸板层贴附于所述衬纸层的外表面，所述遮光材料层涂布于所述纸板层的外表面。
优选地，所述遮光材料层包括以下组分：
本发明还提供一种用于药品包装的镭射防伪材料的加工工艺，包括以下步骤：
(1)将水性镭射转移涂料在涂布速度为10～30m/min的条件下涂布于BOPP薄膜上，然后导入烘箱内，在160～170℃下烘干，烘干车速为25～30m/min；
(2)采用模压机对涂布水性镭射转移涂料的BOPP薄膜进行模压，得到镭射膜；
(3)将铝箔哑光面涂布胶层后与衬纸层复合得到铝箔纸，并经热压辊热压后经若干个张力辊传输后在衬纸层外表面涂布胶层后与纸板复合，得到铝箔纸板；
(4)采用体积比为3～5:2～3:1的乙醇、丙酮和水的混合溶剂对铝箔纸板光面层进行清洗，经烘箱烘干后涂布胶层；然后在170～190℃的热风下烘干5～10min；
(5)将镭射膜贴附于所述铝箔纸板的涂胶面，并在热压辊下进行热压复合，热压温度为160～200℃，压力为0.55～0.65MPa，辊速为16～20m/min；热压复合后在5～10℃条件下骤冷，并同时将BOPP薄膜揭掉，得到镭射材料初产品；
(6)在镭射材料初产品的镭射防伪层上淋膜，附上外防护层；在所述镭射材料初产品的内表面涂布遮光材料层，得到镭射材料产品。
优选地，所述遮光材料层的厚度为0.1～1mm。
优选地，所述水性镭射转移涂料包括如下组分：
优选地，所述外防护层为PLA/PET复合材料层或PLA/PA复合材料层或PLA/PBS复合材料层。
优选地，所述胶层为水性聚氨酯胶层或丙烯酸酯改性水性聚氨酯胶层或魔芋粉-壳聚糖-聚乙烯醇共混胶层或丙烯酸胶层。
有益效果：本发明通过膜转移方式将镭射转移涂料贴附于铝箔纸上，得到镭射材料，并在该材料表面淋膜聚乳酸类可降解材料作为防护膜，在符合绿色化生产的前提下提高材料的耐磨性；本发明中采用水性镭射转移涂料，避免了油性转移涂料在烘干过程中毒性气体的挥发，得到的包装材料适用于包装人类直接食用的产品，符合绿色化生产要求；本发明的加工方法成品率高，适于市场推广，本产品具有遮光性能，适用于包装需避光保存的药物类物品。
具体实施方式
下面通过实施例对本发明技术方案进行详细说明，但是本发明的保护范围不局限于所述实施例。
实施例1：一种用于药品包装的镭射防伪材料，包括外保护层、镭射防伪层、铝箔层、衬纸层、纸板层和遮光材料层，所述镭射防伪层贴附于所述铝箔层的光面上，所述外保护层为透明层，淋膜于所述镭射防伪层表面，所述衬纸层贴附于所述铝箔层的哑光面上，所述纸板层贴附于所述衬纸层的外表面，所述遮光材料层涂布于所述纸板层的外表面；
所述遮光材料层包括以下组分：
上述用于药品包装的镭射防伪材料的加工工艺，包括以下步骤：
(1)将水性镭射转移涂料在涂布速度为20m/min的条件下涂布于BOPP薄膜上，然后导入烘箱内，在165℃下烘干，烘干车速为28m/min；
(2)采用模压机对涂布水性镭射转移涂料的BOPP薄膜进行模压，得到镭射膜；
(3)将铝箔哑光面涂布胶层后与衬纸层复合得到铝箔纸，并经热压辊热压后经若干个张力辊传输后在衬纸层外表面涂布胶层后与纸板复合，得到铝箔纸板；
(4)采用体积比为3:2:1的乙醇、丙酮和水的混合溶剂对铝箔纸板光面层进行清洗，经烘箱烘干后涂布胶层；然后在180℃的热风下烘干8min；
(5)将镭射膜贴附于所述铝箔纸板的涂胶面，并在热压辊下进行热压复合，热压温度为185℃，压力为0.6MPa，辊速为18m/min；热压复合后在6℃条件下骤冷，并同时将BOPP薄膜揭掉，得到镭射材料初产品；
(6)在镭射材料初产品的镭射防伪层上淋膜，附上外防护层；在所述镭射材料初产品的内表面涂布遮光材料层，得到镭射材料产品。
所述遮光材料层的厚度为0.8mm。
所述水性镭射转移涂料包括如下组分：
所述外防护层为PLA/PET复合材料层；所述胶层为水性聚氨酯胶层。
实施例2：本产品结构与实施例1中相同，其不同在于：
所述遮光材料层包括以下组分：
上述用于药品包装的镭射防伪材料的加工工艺，包括以下步骤：
(1)将水性镭射转移涂料在涂布速度为30m/min的条件下涂布于BOPP薄膜上，然后导入烘箱内，在170℃下烘干，烘干车速为30m/min；
(2)采用模压机对涂布水性镭射转移涂料的BOPP薄膜进行模压，得到镭射膜；
(3)将铝箔哑光面涂布胶层后与衬纸层复合得到铝箔纸，并经热压辊热压后经若干个张力辊传输后在衬纸层外表面涂布胶层后与纸板复合，得到铝箔纸板；
(4)采用体积比为5:3:1的乙醇、丙酮和水的混合溶剂对铝箔纸板光面层进行清洗，经烘箱烘干后涂布胶层；然后在190℃的热风下烘干10min；
(5)将镭射膜贴附于所述铝箔纸板的涂胶面，并在热压辊下进行热压复合，热压温度为200℃，压力为0.65MPa，辊速为20m/min；热压复合后在10℃条件下骤冷，并同时将BOPP薄膜揭掉，得到镭射材料初产品；
(6)在镭射材料初产品的镭射防伪层上淋膜，附上外防护层；在所述镭射材料初产品的内表面涂布遮光材料层，得到镭射材料产品。
所述遮光材料层的厚度为1mm。
所述水性镭射转移涂料包括如下组分：
所述外防护层为PLA/PA复合材料层；所述胶层为丙烯酸酯改性水性聚氨酯胶层。
实施例3：本产品结构与实施例1中相同，其不同在于：
所述遮光材料层包括以下组分：
上述用于药品包装的镭射防伪材料的加工工艺，包括以下步骤：
(1)将水性镭射转移涂料在涂布速度为10m/min的条件下涂布于BOPP薄膜上，然后导入烘箱内，在160℃下烘干，烘干车速为25m/min；
(2)采用模压机对涂布水性镭射转移涂料的BOPP薄膜进行模压，得到镭射膜；
(3)将铝箔哑光面涂布胶层后与衬纸层复合得到铝箔纸，并经热压辊热压后经若干个张力辊传输后在衬纸层外表面涂布胶层后与纸板复合，得到铝箔纸板；
(4)采用体积比为3:2:1的乙醇、丙酮和水的混合溶剂对铝箔纸板光面层进行清洗，经烘箱烘干后涂布胶层；然后在170℃的热风下烘干5min；
(5)将镭射膜贴附于所述铝箔纸板的涂胶面，并在热压辊下进行热压复合，热压温度为160℃，压力为0.55MPa，辊速为16m/min；热压复合后在5℃条件下骤冷，并同时将BOPP薄膜揭掉，得到镭射材料初产品；
(6)在镭射材料初产品的镭射防伪层上淋膜，附上外防护层；在所述镭射材料初产品的内表面涂布遮光材料层，得到镭射材料产品。
所述遮光材料层的厚度为0.1mm。
优选地，所述水性镭射转移涂料包括如下组分：
所述外防护层为PLA/PBS复合材料层；所述胶层为魔芋粉-壳聚糖-聚乙烯醇共混胶层。
本发明产品与现有产品的降解性能比较结果见表1；
本发明产品与现有产品的其他性能比较见表2；
表1实施例1～3与现有产品降解性能检测结果
表2实施例1～3与现有产品其他性能检测结果
产品 现有产品 实施例1 实施例2 实施例3
剥离率(％) 90 99.5 98.8 99.4
成品率(％) 88 98.7 98.6 98.7
遮光率(％) ≤50 85 80 84
如上所述，尽管参照特定的优选实施例已经表示和表述了本发明，但其不得解释为对本发明自身的限制。在不脱离所附权利要求定义的本发明的精神和范围前提下，可对其在形式上和细节上作出各种变化。

Claims (3)

1.一种用于药品包装的镭射防伪材料，其特征在于：包括外保护层、镭射防伪层、铝箔层、衬纸层、纸板层和遮光材料层，所述镭射防伪层贴附于所述铝箔层的光面上，所述外保护层为透明层，淋膜于所述镭射防伪层表面，所述衬纸层贴附于所述铝箔层的哑光面上，所述纸板层贴附于所述衬纸层的外表面，所述遮光材料层涂布于所述纸板层的外表面；
所述遮光材料层包括以下组分：
以重量分数计。
2.一种权利要求1所述的用于药品包装的镭射防伪材料的加工工艺，其特征在于包括以下步骤：
(1)将水性镭射转移涂料在涂布速度为10～30m/min的条件下涂布于BOPP薄膜上，然后导入烘箱内，在160～170℃下烘干，烘干车速为25～30m/min；
(2)采用模压机对涂布水性镭射转移涂料的BOPP薄膜进行模压，得到镭射膜；
(3)将铝箔哑光面涂布胶层后与衬纸层复合得到铝箔纸，并经热压辊热压后经若干个张力辊传输后在衬纸层外表面涂布胶层后与纸板复合，得到铝箔纸板；
(4)采用体积比为3～5:2～3:1的乙醇、丙酮和水的混合溶剂对铝箔纸板光面层进行清洗，经烘箱烘干后涂布胶层；然后在170～190℃的热风下烘干5～10min；
(5)将镭射膜贴附于所述铝箔纸板的涂胶面，并在热压辊下进行热压复合，热压温度为160～200℃，压力为0.55～0.65MPa，辊速为16～20m/min；热压复合后在5～10℃条件下骤冷，并同时将BOPP薄膜揭掉，得到镭射材料初产品；
(6)在镭射材料初产品的镭射防伪层上淋膜，附上外防护层；在所述镭射材料初产品的内表面涂布遮光材料层，得到镭射材料产品；
所述水性镭射转移涂料包括如下组分：
以重量分数计；
所述外防护层为PLA/PET复合材料层或PLA/PA复合材料层或PLA/PBS复合材料层；
所述胶层为水性聚氨酯胶层或丙烯酸酯改性水性聚氨酯胶层或魔芋粉-壳聚糖-聚乙烯醇共混胶层或丙烯酸胶层。
3.根据权利要求2所述的用于药品包装的镭射防伪材料的加工工艺，其特征在于：所述遮光材料层的厚度为0.1～1mm。
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