CN116176150B - 一种铂金浮雕热转印膜及其生产工艺 - Google Patents

一种铂金浮雕热转印膜及其生产工艺 Download PDF

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CN116176150B
CN116176150B CN202211612762.8A CN202211612762A CN116176150B CN 116176150 B CN116176150 B CN 116176150B CN 202211612762 A CN202211612762 A CN 202211612762A CN 116176150 B CN116176150 B CN 116176150B
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陈志润
周国平
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Jiangsu Xuetai Printing Co ltd
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Abstract

本发明属于立体印刷转印膜领域,具体公开了一种铂金浮雕热转印膜及其生产工艺,所述热转印膜为多层结构,并且从上到下依次相连接的聚合物保护层(10)、可洗离型涂层(20)、铂金浮雕层(30)、镀色层(40)、基底层(50)、热熔胶层(60);所述聚合物保护层(10)材料选自聚丙烯、聚乳酸PLA、聚对苯二甲酸乙二醇酯中的一种或者多种;本发明所述的铂金浮雕热转印膜制备流程短,工艺成熟可控,制备成本低,VOC排放少,绿色环保。

Description

一种铂金浮雕热转印膜及其生产工艺
技术领域
本发明属于立体印刷转印膜领域,具体公开了一种铂金浮雕热转印膜及其生产工艺。
背景技术
热转印是一项新兴的印刷工艺,由国外传入不过10多年的时间。该工艺印刷方式分为转印膜印和转印加工两大步骤,转印膜印刷采用网点印刷,将图案预先印在薄膜表面,印刷的图案层次丰富、色彩鲜艳,千变万化,色差小,再现性好,能达到设计图案者的要求效果,并且适合大批量生产。转印加工通过热转印机一次加工(加热加压)将转印膜上精美的图案转印在产品表面,成型后油墨层与产品表面溶为一体,逼真漂亮,大大提高产品的档次。但由于该工艺技术含量较高,许多材料均需进口。热转印制作流程:第一步.制作高分辨率的图片;第二步.按照图片尺寸制作出网点式凹版电雕版;第三步.把凹版安装上印刷机械上印刷到PET聚酯薄膜上即印刷成热转印花膜,一小时可印刷数千米成品图案。第四步.把热转印花膜安装上热转印烫印机上进行印刷,操作简单,图案一次成型,无需套色。热转印膜适用于塑胶(ABS、AS、PS、PVC、EVA、PP、PE)、金属、皮革、陶瓷、木材等制品的平面、曲面、异形、圆柱面、圆椎面上进行烫印,广泛应用于日用品、化妆品、玩具、电器、建材、文具、礼品、食品包装、标牌等行业的产品以及包装物的印刷装璜上。
随着文化产业的发展,越来越多的文化产品上需要具有立体浮雕效果,目前的热转印工艺产品,大致基于普通的热转印工艺,或者基于镭射热转印工艺,然而上述两种热转印工艺都缺少立体浮雕的效果,并且立体热转印膜生产过程复杂,有机溶剂污染大,良品率不高,例如,CN202010684402.3公开了一种铂金浮雕热转印膜及其生产方法,虽然其制备的热转印膜具有3D浮雕的效果,但是其工艺流程多,成本高。
发明内容
为了解决上述问题,本发明公开了一种铂金浮雕热转印膜及其生产工艺。
本发明的技术方案如下:
一种铂金浮雕热转印膜,所述热转印膜为多层结构,并且从上到下依次相连接的聚合物保护层、可洗离型涂层、铂金浮雕层、镀色层、基底层、热熔胶层。
本方案的思路如下,将色墨按照传统的方法镀在基底层上,形成2D的镀色膜,然后3D的铂金浮雕层覆盖在镀色层上,同时优选的铂金浮雕层使用透明或者半透明的材料,能够使得镀色层的色彩透过铂金浮雕层,从而使得2D的鲜艳色彩和3D的立体浮雕相结合,形成独特的艺术风格;同时设置可洗的离型涂层,在转印完成后,除去聚合物保护层之后,可以用有机溶剂如丙三醇将可洗离型涂层擦去,然后烘干蒸发残余的有机溶剂,使得3D效果更为突出。
进一步的,上述一种铂金浮雕热转印膜,所述聚合物保护层材料选自聚丙烯、聚乳酸PLA、聚对苯二甲酸乙二醇酯中的一种或者多种。优选的,可以选用聚乳酸PLA,因为其可降解,绿色环保效果好。
进一步的,上述一种铂金浮雕热转印膜,所述可洗离型涂层由离型剂涂覆而成,所述离型剂由以下重量份的原料组成:
上述离型剂只要涂覆少量即可有良好的离型效果,并且能够很好的被有机溶剂所擦除。
进一步的,上述一种铂金浮雕热转印膜,所述离型剂的制备方法包括以下步骤:
按重量份将聚醚改性硅油、对苯乙烯磺酸钠、硬脂酸钾稳定剂、聚丙烯酸脂、聚乙烯醇、反丁烯二酸投入反应釜中,氮气保护下,0.3-0.6Mpa下,温度60-80摄氏度反应2-3h,得到所述离型剂。
进一步的,上述一种铂金浮雕热转印膜,所述铂金浮雕层由铂金浮雕制版工艺结合UV膜压技术,压制在材质层上形成。上述的铂金浮雕制版工艺结合UV膜压技术使用现有的成熟工艺,制备成本低,效果好。
进一步的,上述一种铂金浮雕热转印膜,所述材质层为透明PET层。
进一步的,上述一种铂金浮雕热转印膜,所述镀色层中镀有油墨。使用现有的油墨印刷技术即可,成熟技术,成本低,效果好。
进一步的,上述一种铂金浮雕热转印膜,所述基底层为原纸基材层。可以使用现有的工业原纸,原料易得,成本低廉。
进一步的,上述一种铂金浮雕热转印膜,所述热熔胶层中的热熔胶为EVA热熔胶。使用EVA热熔胶,
进一步的,上述一种铂金浮雕热转印膜的生产工艺,包括以下步骤:
S1准备好合适材料的热熔胶层,在上面热压一层基底层;
S2随后在基底层上喷涂具有图案的镀色层;
S3在镀色层上热压一层预先制备好的铂金浮雕层;
S4在铂金浮雕层涂抹可洗离型涂层;
S5在可洗离型涂层贴合聚合物保护层。
上述工艺流程短,对设备要求低,制备成本低。
相比现有技术,本发明具有如下有益效果:
本发明公开了一种铂金浮雕热转印膜的生产工艺,将色墨按照传统的方法镀在基底层上,形成2D的镀色膜,然后3D的铂金浮雕层覆盖在镀色层上,同时优选的铂金浮雕层使用透明或者半透明的材料,能够使得镀色层的色彩透过铂金浮雕层,从而使得2D的鲜艳色彩和3D的立体浮雕相结合,形成独特的艺术风格;同时设置可洗的离型涂层,在转印完成后,除去聚合物保护层之后,可以用有机溶剂如丙三醇将可洗离型涂层擦去,然后烘干蒸发残余的有机溶剂,使得3D效果更为突出;同时,本发明所述的制备流程短,工艺成熟可控,制备成本低,VOC排放少,绿色环保。
附图说明
图1为本发明所述的铂金浮雕热转印膜的结构示意图;
图2为热转印膜附着力测试图;
图3为热转印膜抗撕裂能力测试图。
具体实施方式
下面对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。
本发明实施例中使用的试剂或仪器未注明生产厂商者,均为可以通过市购获得的常规试剂产品。
实施例1
如图1所示的一种铂金浮雕热转印膜,所述热转印膜为多层结构,并且从上到下依次相连接的聚合物保护层10、可洗离型涂层20、铂金浮雕层30、镀色层40、基底层50、热熔胶层60。
所述聚合物保护层10材料选自聚丙烯、聚乳酸PLA、聚对苯二甲酸乙二醇酯中的一种或者多种。
所述离型剂由以下重量份的原料组成:
所述离型剂的制备方法包括以下步骤:
按重量份将聚醚改性硅油、对苯乙烯磺酸钠、硬脂酸钾稳定剂、聚丙烯酸脂、聚乙烯醇、反丁烯二酸投入反应釜中,氮气保护下,0.3Mpa下,温度60摄氏度反应2h,得到所述离型剂;
所述铂金浮雕层30由铂金浮雕制版工艺结合UV膜压技术,压制在材质层上形成;
所述材质层为透明PET层;
所述镀色层40中镀有油墨;
所述基底层50为原纸基材层;
所述热熔胶层60中的热熔胶为EVA热熔胶;
上述铂金浮雕热转印膜的生产工艺,包括以下步骤:
S1准备好合适材料的热熔胶层60,在上面热压一层基底层50;
S2随后在基底层50上喷涂具有图案的镀色层40;
S3在镀色层40上热压一层预先制备好的铂金浮雕层30;
S4在铂金浮雕层30涂抹可洗离型涂层20;
S5在可洗离型涂层20上贴合聚合物保护层10;
上述铂金浮雕热转印膜在使用时,加热热熔胶层60,附着在转印的目的材料上,烫印压力为4—6kg/cm2,待结合牢固后,撕去聚合物保护层10,并用丙三醇擦净可洗离型涂层20。
实施例2
如图1所示的一种铂金浮雕热转印膜,所述热转印膜为多层结构,并且从上到下依次相连接的聚合物保护层10、可洗离型涂层20、铂金浮雕层30、镀色层40、基底层50、热熔胶层60。
所述聚合物保护层10材料选自聚丙烯、聚乳酸PLA、聚对苯二甲酸乙二醇酯中的一种或者多种。
所述离型剂由以下重量份的原料组成:
所述离型剂的制备方法包括以下步骤:
按重量份将聚醚改性硅油、对苯乙烯磺酸钠、硬脂酸钾稳定剂、聚丙烯酸脂、聚乙烯醇、反丁烯二酸投入反应釜中,氮气保护下,0.45Mpa下,温度70摄氏度反应2.5h,得到所述离型剂;
所述铂金浮雕层30由铂金浮雕制版工艺结合UV膜压技术,压制在材质层上形成;
所述材质层为透明PET层;
所述镀色层40中镀有油墨;
所述基底层50为原纸基材层;
所述热熔胶层60中的热熔胶为EVA热熔胶;
上述铂金浮雕热转印膜的生产工艺,包括以下步骤:
S1准备好合适材料的热熔胶层60,在上面热压一层基底层50;
S2随后在基底层50上喷涂具有图案的镀色层40;
S3在镀色层40上热压一层预先制备好的铂金浮雕层30;
S4在铂金浮雕层30涂抹可洗离型涂层20;
S5在可洗离型涂层20上贴合聚合物保护层10;
上述铂金浮雕热转印膜在使用时,加热热熔胶层60,附着在转印的目的材料上,烫印压力为4—6kg/cm2,待结合牢固后,撕去聚合物保护层10,并用丙三醇擦净可洗离型涂层20。
实施例3
如图1所示的一种铂金浮雕热转印膜,所述热转印膜为多层结构,并且从上到下依次相连接的聚合物保护层10、可洗离型涂层20、铂金浮雕层30、镀色层40、基底层50、热熔胶层60。
所述聚合物保护层10材料选自聚丙烯、聚乳酸PLA、聚对苯二甲酸乙二醇酯中的一种或者多种。
所述离型剂由以下重量份的原料组成:
所述离型剂的制备方法包括以下步骤:
按重量份将聚醚改性硅油、对苯乙烯磺酸钠、硬脂酸钾稳定剂、聚丙烯酸脂、聚乙烯醇、反丁烯二酸投入反应釜中,氮气保护下,0.6Mpa下,温度80摄氏度反应3h,得到所述离型剂;
所述铂金浮雕层30由铂金浮雕制版工艺结合UV膜压技术,压制在材质层上形成;
所述材质层为透明PET层;
所述镀色层40中镀有油墨;
所述基底层50为原纸基材层;
所述热熔胶层60中的热熔胶为EVA热熔胶;
上述铂金浮雕热转印膜的生产工艺,包括以下步骤:
S1准备好合适材料的热熔胶层60,在上面热压一层基底层50;
S2随后在基底层50上喷涂具有图案的镀色层40;
S3在镀色层40上热压一层预先制备好的铂金浮雕层30;
S4在铂金浮雕层30涂抹可洗离型涂层20;
S5在可洗离型涂层20上贴合聚合物保护层10;
上述铂金浮雕热转印膜在使用时,加热热熔胶层60,附着在转印的目的材料上,烫印压力为4—6kg/cm2,待结合牢固后,撕去聚合物保护层10,并用丙三醇擦净可洗离型涂层20。
测试例1
本测试例对实施例1-3所制备的铂金浮雕热转印膜与市面上的普通立体热转印膜(对比例1)进行对比测试
结果见表1和图2-3
表1热转印膜性能测试
从实施例1-3以及对比例1的数据来看,本发明公开的铂金浮雕热转印膜附着力和撕裂强度以及外观均优于市场上的同类产品,并具有较好的耐水性能。同时本发明所述的铂金浮雕热转印膜制备流程短,工艺成熟可控,制备成本低,VOC排放少,绿色环保,具有很大的市场潜力。
发明的有限几种优选实施方式,其描述较为具体和详细,但并不能因此而理解为对本发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。

Claims (8)

1.一种铂金浮雕热转印膜,其特征在于,所述热转印膜为多层结构,并且从上到下依次相连接的聚合物保护层(10)、可洗离型涂层(20)、铂金浮雕层(30)、镀色层(40)、基底层(50)、热熔胶层(60);
所述可洗离型涂层(20)由离型剂涂覆而成,所述离型剂由以下重量份的原料组成:
聚醚改性硅油 100份
对苯乙烯磺酸钠 20-40份
硬脂酸钾稳定剂 20-30份
聚丙烯酸脂 15-25份
聚乙烯醇: 5-15份
反丁烯二酸 4-8份;
所述离型剂的制备方法包括以下步骤:
按重量份将聚醚改性硅油、对苯乙烯磺酸钠、硬脂酸钾稳定剂、聚丙烯酸脂、聚乙烯醇、反丁烯二酸投入反应釜中,氮气保护下,0.3-0.6Mpa下,温度60-80摄氏度反应2-3h,得到所述离型剂。
2.根据权利要求1所述的一种铂金浮雕热转印膜,其特征在于,所述聚合物保护层(10)材料选自聚丙烯、聚乳酸 PLA、聚对苯二甲酸乙二醇酯中的一种或者多种。
3.根据权利要求1所述的一种铂金浮雕热转印膜,其特征在于,所述铂金浮雕层(30)由铂金浮雕制版工艺结合UV膜压技术,压制在材质层上形成。
4.根据权利要求3所述的一种铂金浮雕热转印膜,其特征在于,所述材质层为透明PET层。
5.根据权利要求1所述的一种铂金浮雕热转印膜,其特征在于,所述镀色层(40)中镀有油墨。
6.根据权利要求1所述的一种铂金浮雕热转印膜,其特征在于,所述基底层(50)为原纸基材层。
7.根据权利要求1所述的一种铂金浮雕热转印膜,其特征在于,所述热熔胶层(60)中的热熔胶为EVA热熔胶。
8.如权利要求1-7任一项所述的铂金浮雕热转印膜的生产工艺,其特征在于,包括以下步骤:
S1准备好合适材料的热熔胶层(60),在上面热压一层基底层(50);
S2随后在基底层(50)上喷涂具有图案的镀色层(40);
S3在镀色层(40)上热压一层预先制备好的铂金浮雕层(30);
S4在铂金浮雕层(30)涂抹可洗离型涂层(20);
S5在可洗离型涂层(20)贴合聚合物保护层(10)。
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