CN105365425A - 烫金转移膜工艺 - Google Patents

烫金转移膜工艺 Download PDF

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CN105365425A
CN105365425A CN201510892474.6A CN201510892474A CN105365425A CN 105365425 A CN105365425 A CN 105365425A CN 201510892474 A CN201510892474 A CN 201510892474A CN 105365425 A CN105365425 A CN 105365425A
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黎芳权
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GUANGZHOU HUADU HENGSHENG PRINTING PACKAGING CO., LTD.
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Abstract

本发明公开了烫金转移膜工艺，它涉及烫金工艺技术领域；它的工艺流程为：1、PET基膜；2、离型层；3、信息层；4、镀铝层；5、背胶层；6、成品分切；它的溶剂包含：乙酯、丁酮、环己酮、甲苯；它的原料固含量为：LX-51M-3(30%)、LX-49M(30%)、PET-261(50%)、PET251H(50%)、BJ-30A-1(20%)；所述的PET基膜为PET转移膜；所述的离型层为LX-51M-3离型；所述的信息层为PET-261、PET251H双组份色层；所述的背胶层为BJ-302、88胶水。本发明有益效果为：本发明所述的烫金转移膜工艺，具有烫印后印迹清晰、棱角分明、光亮、不糊板、不花版，不脱落等特点。

Description

烫金转移膜工艺
技术领域
本发明涉及一种烫金工艺技术，具体涉及烫金转移膜工艺。
背景技术
在当前我国经济得到快速发展的同时,相关的科学技术也得到了大幅度的进步,其中在烫金技术的发展领域表现的较为突出,烫金技术是消费类电子产品的重要装饰手段,这一技术在电子行业中的应用已经近四十年。在近些年的发展过程中,烫金技术有了新的进步,应用的范围也在进一步的扩大,目前,烫金技术已经成了重要的金属效果表面整饰方法,对包装所起到的促销作用也愈来愈大。烫金工艺是利用热压转移的原理，将电化铝中的铝层转印到承印物表面以形成特殊的金属效果，因烫金使用的主要材料是电化铝箔，因此烫金也叫电化铝烫印。
烫金工艺可分为热烫金工艺、冷烫金工艺。烫金工艺可使印刷表面同时具有多种颜色的金属质感图案，另外还可以把不同的烫压效果结合起来。烫金除具有表面装饰功能外，还有一个重要作用就是防伪。稳定、压力和速度是烫金工艺的三大要素，只有控制好三者之间的关系，才能控制好烫印的质量。温度太低，电化铝的背胶层和离型层不能充分融化，烫印时电化铝不能充分转移，造成烫印不上；温度太高，涂布变形严重，易产生套印不准、图文糊板、字迹发花、电化铝变色等问题；压力太大，烫印后易印迹不清晰、不光亮、糊板，图文发晕、发虚；压力太小，易烫迹不牢、脱落、花版，棱角不分明；速度过快，会使电化铝的箔层分离力和剥离力不相配，导致烫印不牢；速度过慢，会发生受热焦化现象，图文烫印后发晕、无光泽。
发明内容
本发明的目的在于针对上诉的缺陷和不足，提供一种设计合理的烫金转移膜工艺，它烫印后印迹清晰、棱角分明、光亮、不糊板、不花版，不脱落。
为实现上述目的，本发明采用的技术方案是：它的工艺流程为：
一、PET基膜：所述的PET基膜为PET转移膜（PET聚脂薄膜）。
二、离型层：它的成分配比为：LX-51M-3(5kg):LX-49M(22.5kg)：酒精(3kg)：水；先将酒精与水混合好后再加入LX-51M、LX-49M离型剂，搅拌10分钟。它的工艺参数为：温度：80℃-130℃-155℃-155℃-130℃，网纹辊：电雕辊180目，湿涂量：6g／㎡，涂布速度：80m／min，上机固含量：23%，涂布放卷张力：2.5-2.8kg，放卷锥度：30%，收卷张力：3.7-4.2kg，烘箱张力：9-9.5kg，环境温度：25℃，湿度：35-45%；
离型层生产工艺控制要点：①保持涂布过程固含量以及粘度偏差，建议涂布中使用点滴加溶剂，确保溶剂挥发，注意涂布起雾发白问题；②确保涂布表观流平性和亮度与韧性；③确认网辊胶辊表观质量，严格控制好涂布面表观暇茨点。
三、信息层：它的成分配比为：PET-261(4kg)：PET-251H(1kg)：丁酮(4.2kg)：环己酮(1.1kg)，先将溶剂混合好后添加色粉溶解，然后再加入色料，261、251H固化剂最后添加，充分搅拌10-15分钟；它的工艺参数为：温度：90℃-135℃-155℃-155℃-130℃，网纹辊：电雕辊180目，湿涂量：6g／㎡，干涂量：1.1g／㎡，涂布速度：90m／min，上机固含量：18%，涂布放卷张力：2.5-2.8kg，放卷锥度：20%，收卷张力：3.7-4.2kg，烘箱张力：8kg；环境温度：25℃，湿度：35-45%；
信息层生产工艺控制要点：①保持涂布过程粘度及固含范围；②确保涂布表观均匀性和亮度问题，注意发雾及色点和色圈问题，控制色差等问题；③确认网辊胶辊表观质量，严格控制好涂布面表观暇茨点(注：剩余色料不可重新使用，涂布后建议在恒温60度熟化室固化24小时再进行镀铝。)。
四、镀铝层：镀铝层使用真空镀膜机；镀铝层的工艺参数为：速度：450m／min，铝层厚度:2.2欧姆；
镀铝层生产工艺控制要点：铝层均匀性，沙眼，漏镀，真空线，折邹线，铝层厚薄，发黑发雾。
五、背胶层：它的成分配比为：BJ-30A-1(10kg):乙酯(3kg):甲苯(2kg)，先将溶剂与硅粉完全溶解均匀，后再添加胶水，搅拌10-15分钟；它的工艺参数为：温度：80℃-125℃-135℃-140℃-120℃，网纹辊：挤压辊180目，湿涂量：6g／㎡，干涂量：1.2g／㎡，涂布速度：90m／min，上机固含量：30%，涂布放卷张力：2.5-2.8kg，放卷锥度：35%，收卷张力：3.7-4.2kg，烘箱张力：7-8kg，环境温度：25℃，湿度：35-45%；
背胶层生产工艺控制要点：①控制好涂布过程粘度及固含范围；②确保涂布表观胶层均匀性，注意涂胶线条，控制松紧度、韧性等问题，防止胶水渗透；③确认网辊胶辊表观质量，严格控制好涂布面表观暇茨点。
六、成品分切。
采用上述技术方案后，本发明有益效果为：本发明所述的烫金转移膜工艺，具有烫印后印迹清晰、棱角分明、光亮、不糊板、不花版，不脱落等特点。
具体实施方式
本具体实施方式采用如下技术方案：它的工艺流程为：
一、PET基膜：所述的PET基膜为PET转移膜。
二、离型层：它的成分配比为：LX-51M-3(5kg):LX-49M(22.5kg)：酒精(3kg)：水，先将酒精与水混合好后再加入LX-51M、LX-49M离型剂，搅拌10分钟(注意下机剩料使用方法：建议下次使用剩料时少量添加到新料中，注意循环均匀即可使用，否则离型松紧度不一致。)；它的工艺参数为：温度：80℃-130℃-155℃-155℃-130℃，网纹辊：电雕辊180目，湿涂量：6g／㎡，涂布速度：80m／min，上机固含量：23%，涂布放卷张力：2.5-2.8kg，放卷锥度：30%，收卷张力：3.7-4.2kg，烘箱张力：9-9.5kg，环境温度：25℃，湿度：35-45%；
离型层生产工艺控制要点：①保持涂布过程固含量以及粘度偏差，建议涂布中使用点滴加溶剂，确保溶剂挥发，注意涂布起雾发白问题；②确保涂布表观流平性和亮度与韧性；③确认网辊胶辊表观质量，严格控制好涂布面表观暇茨点。
三、信息层：它的成分配比为：PET-261(4kg)：PET-251H(1kg)：丁酮(4.2kg)：环己酮(1.1kg)，先将溶剂混合好后添加色粉溶解，然后再加入色料，261、251H固化剂最后添加，充分搅拌10-15分钟（注意色粉需要完全溶解，以免影响涂布流平性等。)；它的工艺参数为：温度：90℃-135℃-155℃-155℃-130℃，网纹辊：电雕辊180目，湿涂量：6g／㎡，干涂量：1.1g／㎡，涂布速度：90m／min，上机固含量：18%，涂布放卷张力：2.5-2.8kg，放卷锥度：20%，收卷张力：3.7-4.2kg，烘箱张力：8kg；环境温度：25℃，湿度：35-45%；
信息层生产工艺控制要点：①保持涂布过程粘度及固含范围；②确保涂布表观均匀性和亮度问题，注意发雾及色点和色圈问题，控制色差等问题；③确认网辊胶辊表观质量，严格控制好涂布面表观暇茨点(注：剩余色料不可重新使用，涂布后建议在恒温60度熟化室固化24小时再进行镀铝。)。
四、镀铝层：镀铝层使用真空镀膜机；镀铝层的工艺参数为：速度：450m／min，铝层厚度:2.2欧姆；
镀铝层生产工艺控制要点：铝层均匀性，沙眼，漏镀，真空线，折邹线，铝层厚薄，发黑发雾。
五、背胶层：所述背胶层的成分配比为：BJ-30A-1(10kg):乙酯(3kg):甲苯(2kg)，先将溶剂与硅粉完全溶解均匀，后再添加胶水，搅拌10-15分钟(配料前注意原胶的沉淀问题，使用之前将包装桶摇动，防止沉淀物，确保胶水均匀性。)；背胶层的工艺参数为：温度：80℃-125℃-135℃-140℃-120℃，网纹辊：挤压辊180目，湿涂量：6g／㎡，干涂量：1.2g／㎡，涂布速度：90m／min，上机固含量：30%，涂布放卷张力：2.5-2.8kg，放卷锥度：35%，收卷张力：3.7-4.2kg，烘箱张力：7-8kg，环境温度：25℃，湿度：35-45%；
背胶层生产工艺控制要点：①控制好涂布过程粘度及固含范围；②确保涂布表观胶层均匀性，注意涂胶线条，控制松紧度、韧性等问题，防止胶水渗透；③确认网辊胶辊表观质量，严格控制好涂布面表观暇茨点。
六、成品分切。
采用上述具体实施方式后，本发明有益效果为：本发明所述的烫金转移膜工艺，具有烫印后印迹清晰、棱角分明、光亮、不糊板、不花版，不脱落等特点。
以上所述，仅用以说明本发明的技术方案而非限制，本领域普通技术人员对本发明的技术方案所做的其它修改或者等同替换，只要不脱离本发明技术方案的精神和范围，均应涵盖在本发明的权利要求范围当中。

Claims (1)

1.烫金转移膜工艺，其特征在于它的工艺流程为：
一、PET基膜：所述的PET基膜为PET转移膜；
二、离型层：它的成分配比为：LX-51M-3(5kg):LX-49M(22.5kg)：酒精(3kg)：水，先将酒精与水混合好后再加入LX-51M、LX-49M离型剂，搅拌10分钟；它的工艺参数为：温度：80℃-130℃-155℃-155℃-130℃，网纹辊：电雕辊180目，湿涂量：6g／㎡，涂布速度：80m／min，上机固含量：23%，涂布放卷张力：2.5-2.8kg，放卷锥度：30%，收卷张力：3.7-4.2kg，烘箱张力：9-9.5kg，环境温度：25℃，湿度：35-45%；
三、信息层：它的成分配比为：PET-261(4kg)：PET-251H(1kg)：丁酮(4.2kg)：环己酮(1.1kg)，先将溶剂混合好后添加色粉溶解，然后再加入色料，261、251H固化剂最后添加，充分搅拌10-15分钟；它的工艺参数为：温度：90℃-135℃-155℃-155℃-130℃，网纹辊：电雕辊180目，湿涂量：6g／㎡，干涂量：1.1g／㎡，涂布速度：90m／min，上机固含量：18%，涂布放卷张力：2.5-2.8kg，放卷锥度：20%，收卷张力：3.7-4.2kg，烘箱张力：8kg；环境温度：25℃，湿度：35-45%；
四、镀铝层：镀铝层使用真空镀膜机；镀铝层的工艺参数为：速度：450m／min，铝层厚度:2.2欧姆；
五、背胶层：它的成分配比为：BJ-30A-1(10kg):乙酯(3kg):甲苯(2kg)，先将溶剂与硅粉完全溶解均匀，后再添加胶水，搅拌10-15分钟；它的工艺参数为：温度：80℃-125℃-135℃-140℃-120℃，网纹辊：挤压辊180目，湿涂量：6g／㎡，干涂量：1.2g／㎡，涂布速度：90m／min，上机固含量：30%，涂布放卷张力：2.5-2.8kg，放卷锥度：35%，收卷张力：3.7-4.2kg，烘箱张力：7-8kg，环境温度：25℃，湿度：35-45%；
六、成品分切。
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