CN105780592A - 一种用于香烟包装的哑光镭射材料的生产工艺 - Google Patents

一种用于香烟包装的哑光镭射材料的生产工艺 Download PDF

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CN105780592A
CN105780592A CN201610158577.4A CN201610158577A CN105780592A CN 105780592 A CN105780592 A CN 105780592A CN 201610158577 A CN201610158577 A CN 201610158577A CN 105780592 A CN105780592 A CN 105780592A
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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香烟包装的哑光镭射材料,包括外保护层、铝箔层、衬纸层和镭射防伪层,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。本发明通过膜转移方式将哑光镭射转移涂料贴附于铝箔纸上,得到哑光镭射材料,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;本发明中采用水性哑光镭射转移涂料,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。

Description

一种用于香烟包装的哑光镭射材料的生产工艺
技术领域
本发明属于包装材料技术领域,具体涉及一种用于香烟包装的哑光镭射材料的生产工艺。
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包装行业,假烟、假酒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;除此之外,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。
发明内容
发明目的:本发明目的在于针对现有技术的不足,提供一种结构稳定、成品率高以及环保的用于香烟包装的哑光镭射材料的生产工艺。
技术方案:本发明所述的一种用于香烟包装的哑光镭射材料的生产工艺,包括以下步骤:
(1)将水性哑光镭射转移涂料在涂布速度为15~30m/min的条件下涂布于PET薄膜上,然后导入烘箱内,在150~170℃下烘干,烘干车速为20~30m/min;
(2)采用模压机对涂布哑光水性镭射转移涂料的PET薄膜进行模压,得到哑光镭射膜;
(3)将铝箔哑光面涂布胶层后与衬纸层复合得到铝箔纸,并经热压辊热压后冷置待用;
(4)采用体积比为1~3:1的乙醇和丙酮的混合溶剂对铝箔纸光面层进行清洗,经烘箱烘干后涂布胶层;将涂胶后的铝箔静置1~3h;
(5)将哑光镭射膜贴附于所述铝箔的涂胶面,并再热压辊下进行热压复合,热压温度为160~200℃,压力为0.45~0.5MPa,辊速为18~25m/min;热压复合后在5~10℃条件下骤冷,并同时将PET薄膜揭掉,得到哑光镭射材料初产品;
(6)在哑光镭射材料初产品的镭射防伪层上淋膜,附上外防护层,得到哑光镭射材料产品。
优选地,所述水性哑光镭射转移涂料包括以下组分:
以重量分数计。
优选地,所述水性哑光镭射转移涂料包括以下组分:
以重量分数计。
优选地,步骤(4)中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。
优选地,水性哑光镭射转移涂料的在所述铝箔纸上的涂布量为0.5~1.1g/m2
优选地,所述外防护层为PLA/PBT复合材料层或PLA/PEA复合材料层或PLA/PBS复合材料层。
有益效果:本发明通过膜转移方式将哑光镭射转移涂料贴附于铝箔纸上,得到哑光镭射材料,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;本发明中采用水性哑光镭射转移涂料,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。
具体实施方式
下面通过具体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1:一种用于香烟包装的哑光镭射材料的生产工艺,包括以下步骤:
(1)将水性哑光镭射转移涂料在涂布速度为20m/min的条件下涂布于PET薄膜上,然后导入烘箱内,在160℃下烘干,烘干车速为25m/min,干涂布量为0.8g/m2
(2)采用模压机对涂布哑光水性镭射转移涂料的PET薄膜进行模压,得到哑光镭射膜;
(3)将铝箔哑光面涂布胶层后与衬纸层复合得到铝箔纸,并经热压辊热压后冷置待用;
(4)采用体积比为3:1的乙醇和丙酮的混合溶剂对铝箔纸光面层进行清洗,经烘箱烘干后涂布胶层;将涂胶后的铝箔静置2h;所述胶层为丙烯酸酯改性水性聚氨酯胶层;
(5)将哑光镭射膜贴附于所述铝箔的涂胶面,并再热压辊下进行热压复合,热压温度为180℃,压力为0.48MPa,辊速为20m/min;热压复合后在6条件下骤冷,并同时将PET薄膜揭掉,得到哑光镭射材料初产品;
(6)在哑光镭射材料初产品的镭射防伪层上淋膜,附上外防护层PLA/PBT复合材料,得到哑光镭射材料产品。
本实施例中,所述水性哑光镭射转移涂料包括以下组分:
以重量分数计。
实施例2:一种用于香烟包装的哑光镭射材料的生产工艺,包括以下步骤:
(1)将水性哑光镭射转移涂料在涂布速度为15m/min的条件下涂布于PET薄膜上,然后导入烘箱内,在150℃下烘干,烘干车速为20m/min;干涂布量为0.5g/m2
(2)采用模压机对涂布哑光水性镭射转移涂料的PET薄膜进行模压,得到哑光镭射膜;
(3)将铝箔哑光面涂布胶层后与衬纸层复合得到铝箔纸,并经热压辊热压后冷置待用;
(4)采用体积比为1.5:1的乙醇和丙酮的混合溶剂对铝箔纸光面层进行清洗,经烘箱烘干后涂布胶层;将涂胶后的铝箔静置1h;所述胶层为魔芋粉-壳聚糖-聚乙烯醇共混胶层;
(5)将哑光镭射膜贴附于所述铝箔的涂胶面,并再热压辊下进行热压复合,热压温度为160℃,压力为0.45MPa,辊速为18m/min;热压复合后在5℃条件下骤冷,并同时将PET薄膜揭掉,得到哑光镭射材料初产品;
(6)在哑光镭射材料初产品的镭射防伪层上淋膜,附上外防护层PLA/PEA复合材料层,得到哑光镭射材料产品。
本实施例中,所述水性哑光镭射转移涂料包括以下组分:
以重量分数计。
实施例3:一种用于香烟包装的哑光镭射材料的生产工艺,包括以下步骤:
(1)将水性哑光镭射转移涂料在涂布速度为30m/min的条件下涂布于PET薄膜上,然后导入烘箱内,在170℃下烘干,烘干车速为30m/min;
(2)采用模压机对涂布哑光水性镭射转移涂料的PET薄膜进行模压,得到哑光镭射膜;
(3)将铝箔哑光面涂布胶层后与衬纸层复合得到铝箔纸,并经热压辊热压后冷置待用;
(4)采用体积比为1:1的乙醇和丙酮的混合溶剂对铝箔纸光面层进行清洗,经烘箱烘干后涂布胶层;将涂胶后的铝箔静置2h;所述胶层为水性聚氨酯胶层;
(5)将哑光镭射膜贴附于所述铝箔的涂胶面,并再热压辊下进行热压复合,热压温度为200℃,压力为0.5MPa,辊速为25m/min;热压复合后在10°条件下骤冷,并同时将PET薄膜揭掉,得到哑光镭射材料初产品;
(6)在哑光镭射材料初产品的镭射防伪层上淋膜,附上外防护层PLA/PBS复合材料层,得到哑光镭射材料产品。
本实施例中,所述水性哑光镭射转移涂料包括以下组分:
以重量分数计。
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 98.9 99.3
成品率(%) 88 98.6 98.5 98.6
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 (6)

1.一种用于香烟包装的哑光镭射材料的生产工艺,其特征在于包括以下步骤:
(1)将水性哑光镭射转移涂料在涂布速度为15~30m/min的条件下涂布于PET薄膜上,然后导入烘箱内,在150~170℃下烘干,烘干车速为20~30m/min;
(2)采用模压机对涂布哑光水性镭射转移涂料的PET薄膜进行模压,得到哑光镭射膜;
(3)将铝箔哑光面涂布胶层后与衬纸层复合得到铝箔纸,并经热压辊热压后冷置待用;
(4)采用体积比为1~3:1的乙醇和丙酮的混合溶剂对铝箔纸光面层进行清洗,经烘箱烘干后涂布胶层;将涂胶后的铝箔静置1~3h;
(5)将哑光镭射膜贴附于所述铝箔的涂胶面,并再热压辊下进行热压复合,热压温度为160~200℃,压力为0.45~0.5MPa,辊速为18~25m/min;热压复合后在5~10℃条件下骤冷,并同时将PET薄膜揭掉,得到哑光镭射材料初产品;
(6)在哑光镭射材料初产品的镭射防伪层上淋膜,附上外防护层,得到哑光镭射材料产品。
2.根据权利要求1所述的用于香烟包装的哑光镭射材料的生产工艺,其特征在于:所述水性哑光镭射转移涂料包括以下组分:
3.根据权利要求2所述的用于香烟包装的哑光镭射材料的生产工艺,其特征在于:所述水性哑光镭射转移涂料包括以下组分:
4.根据权利要求1所述的用于香烟包装的哑光镭射材料的生产工艺,其特征在于:步骤(4)中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。
5.根据权利要求1所述的用于香烟包装的哑光镭射材料的生产工艺,其特征在于:水性哑光镭射转移涂料的在所述铝箔纸上的涂布量为0.5~1.1g/m2
6.根据权利要求1所述的用于香烟包装的哑光镭射材料的生产工艺,其特征在于:步骤(6)中,所述外防护层为PLA/PBT复合材料层或PLA/PEA复合材料层或PLA/PBS复合材料层。
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