CN108641617A - 一种反光热贴膜及制备方法 - Google Patents

一种反光热贴膜及制备方法 Download PDF

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CN108641617A
CN108641617A CN201810239794.5A CN201810239794A CN108641617A CN 108641617 A CN108641617 A CN 108641617A CN 201810239794 A CN201810239794 A CN 201810239794A CN 108641617 A CN108641617 A CN 108641617A
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邱煌龙
蔡加力
王文元
王世攀
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FUJIAN XINLIYUAN REFLECTIVE MATERIAL Co Ltd
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Abstract

本发明涉及反光材料技术领域,提供一种反光热贴膜及制备方法,包括由下至上依次贴合设置的PE/PET复合膜、玻璃微珠层、黏胶层、电镀层、热熔胶层,所述玻璃微珠粒度为200‑500目,解决了现有技术表面的PE/PET复合膜不易撕开及后期不能对反光膜表面进一步印刷的缺陷。

Description

一种反光热贴膜及制备方法
技术领域
本发明涉及反光材料技术领域,尤其涉及一种反光热贴膜及制备方法。
背景技术
反光热贴膜又称为“热烫膜”,是在带有反光元件的胶层背后附有一层热熔胶,一般都是用电熨斗或热烫机在一定的压力和温度下分条转烫,它的反光亮度强,耐洗涤,耐磨擦,可贴合在TPU、PVC、PU、布、服装、织带、鞋子等不同基材上面及刻字、刻商标等,在夜晚或者视线不好的情况下可以起到安全警示的作用,并具有一定的美观性。
专利文件CN201520400164公开了一种单层反光热贴膜,包括PE/PET复合膜层、玻璃微珠层、聚焦层、镀层和热熔复合胶膜层,所述的PE/PET复合膜层上依次设置有玻璃微珠层、聚焦层、镀层和热熔复合胶膜层。该单层反光热贴膜虽:采用单层热熔复合胶膜层替代传统的复合胶层和热熔胶膜层,同时实现复合胶和热熔胶两种功能,简化了生产工艺,但是,其色彩比较固定,不能通过后期采用印刷方式来赋予反光膜更多的美观性即不具有可印刷性,且表面的PE/PET复合膜层不易撕开。
发明内容
因此,针对以上内容,本发明提供一种反光热贴膜及制备方法,解决了现有技术表面的PE/PET复合膜层不易撕开及后期不能对反光膜表面进一步印刷的缺陷。
为达到上述目的,本发明是通过以下技术方案实现的:
一种反光热贴膜,包括由下至上依次贴合设置的PE/PET复合膜1、印刷层2、玻璃微珠层3、黏胶层4、电镀层5、热熔胶层6,所述玻璃微珠粒度为400-450目,嵌入PE/PET复合膜1中的深度为1-10μm,所述印刷层2的组分由以下重量份的各原料组成:纳米二氧化硅10-20份,超细碳酸钙5-10份,硅烷偶联剂5-10份,聚乙烯醇20-30份,硼酸2-5份,去离子水100份-150份,所述纳米二氧化硅粒度为10-90纳米,所述超细碳酸钙粒度0.01-0.08μm,所述聚乙烯醇分子量3000-5000,所述印刷层2厚度10-20μm,所述黏胶层4厚度10-20μm,所述电镀层5厚度为10-20纳米。
进一步的改进是:所述印刷层2的组分还加入丙烯酸酯30-50份,流平剂1-2份。
进一步的改进是:所述黏胶层4材料为亮银胶。
一种反光热贴膜的制备方法,包括以下步骤:
1)涂印刷层,配置组分由以下重量份的各原料组成的印刷层涂液:纳米二氧化硅10-20份,超细碳酸钙5-10份,硅烷偶联剂5-10份,聚乙烯醇20-30份,硼酸2-5份,去离子水100份-150份,所述纳米二氧化硅粒度为10-90纳米,所述超细碳酸钙粒度0.01-0.08μm,所述聚乙烯醇分子量3000-5000,将涂液均匀涂布在PE/PET复合膜上,厚度10-20μm;
2)涂黏胶层,印刷层上均匀涂布一层厚度10-20μm的黏胶,经过60-80℃烘箱烘干1-2min,在半干状态下取出;
3)植株,将粒度为400-450目的玻璃微珠通过硫化气压植在PE/PET复合膜胶面上,经过2-3KG气压的橡胶压辊,把玻璃微珠压进黏胶中,并嵌入PE/PET复合膜中深度为1-10μm;
4)电镀,将植株后的半成品表面镀铝,电镀层厚度10-20纳米;
5)涂热熔胶,在电镀层表面均匀涂布热熔胶,60-80℃烘干10-15min得到成品。
进一步的改进是:所述印刷层涂液的组分还加入丙烯酸酯30-50份,流平剂1-2份。
进一步的改进是:所述黏胶层所用材料为亮银胶。
通过采用前述技术方案,本发明的有益效果是:
1、通过改进玻璃微珠的粒度,增大玻璃微珠与使PE/PET复合膜的接触面,使其更易剥离,便于剥离PE/PET复合膜通过丝网印刷技术印刷上客户需要的印花图案,提高了使用便捷性。
2、通过设置进一步改进的印刷层,把反光热贴表面的PE/PET复合膜剥离,在印刷层表面通过丝网印刷技术印刷上客户需要的印花图案,所述印刷层具有吸墨特性,可以使印刷时墨水得到很好的吸附,并控制墨晕扩散,可以得到高质量的图案,赋予反光膜更多的美观性。
3、通过进一步改进的在印刷层的组分还加入丙烯酸酯、流平剂,增加了印刷层的成膜性,有助于提升印刷图案的质量。
4、通过进一步改进的黏胶层使用亮银胶,起到反光作用,可以相应的减少电镀层的厚度,制作工艺更简单,成本更低。
附图说明
图1是本发明实施例一的结构示意图。
具体实施方式
以下将结合具体实施例来详细说明本发明的实施方式,借此对本发明如何应用技术手段来解决技术问题,并达成技术效果的实现过程能充分理解并据以实施。
若未特别指明,实施例中所采用的技术手段为本领域技术人员所熟知的常规手段,所采用的试剂和产品也均为可商业获得的。所用试剂的来源、商品名以及有必要列出其组成成分者,均在首次出现时标明。
实施例一
如图1所示,一种反光热贴膜,包括由下至上依次贴合设置的PE/PET复合膜1、印刷层2、玻璃微珠层3、黏胶层4、电镀层5、热熔胶层6。PE/PET复合膜1厚度2.0mm,在反光膜热贴使用前起到保护的作用;所述玻璃微珠粒度为400目,该目数下的玻璃微珠漫反射效果好,与PE/PET复合膜1接触面积大使其易剥离;黏胶层4使用聚氨酯胶水,厚度为10μm;电镀层5为镀铝层,厚度20纳米,起到反光作用;热熔胶层6为市场常规热熔胶,起到热压粘合的作用。所述印刷层2的组分由以下重量份的各原料组成:纳米二氧化硅20份,超细碳酸钙5份,份硅烷偶联剂5份,聚乙烯醇20份,硼酸2份,去离子水100份。所述纳米二氧化硅平均粒径平均为10纳米,所述超细碳酸钙粒径0.01-0.08μm,所述聚乙烯醇分子量3000,所述印刷层厚度10μm。纳米二氧化硅有较大的比表面积,可以有效吸附油墨,但是价格昂贵,通过加入同样具有大比表面积的超细碳酸钙可以降低成本,以硅烷偶联剂做分散剂制成的纳米二氧化硅和超细碳酸钙的分散液稳定、透明,分散均匀,聚乙烯醇遇水膨胀,即可形成吸墨的网络结构又具有足够大的表面张力作为载体来包裹纳米二氧化硅和超细碳酸钙,硼酸可以与聚乙烯醇的-OH脱水形成稳定的配合物,从而使聚乙烯醇交联固化,形成牢固的膜,避免印刷层断裂,无水乙醇的加入有助于降低混合组份的粘度,利于生产过程中的涂布操作。
一种反光热贴膜的制备方法,包括以下步骤:
1)涂印刷层,配置组分由以下重量份的各原料组成的印刷层涂液:纳米二氧化硅20份,超细碳酸钙5份,硅烷偶联剂5份,聚乙烯醇20份,硼酸2份,去离子水100份份,所述纳米二氧化硅平均粒径为10纳米,所述超细碳酸钙粒径为0.01-0.08μm,所述聚乙烯醇分子量3000,将涂液均匀涂布在厚度2.0mm室温PE/PET复合膜上,涂层厚度为10μm。
2)涂黏胶层,印刷层上均匀涂布一层厚度10μm的黏胶,经过60℃烘箱烘干2min,在半干状态下取出;
3)植株,将粒度为400目的玻璃微珠通过硫化气压植在PE/PET复合膜胶面上,经过2KG气压的橡胶压辊,把玻璃微珠压进黏胶中,并嵌入PE/PET复合膜中深度为1μm;
4)电镀,将植株后的半成品表面镀铝,电镀层厚度20纳米;
5)涂热熔胶,在电镀层表面均匀涂布热熔胶,60℃烘干10min得到成品。
本实施例的反光热贴膜的使用方法是:把制备好的反光热贴表面的PE/PET复合膜1剥离,在其玻璃微珠层表面通过丝网印刷技术印刷上印花图案(图案可以根据客户要求定制),印花所用的是一种耐候性优良的黑色油墨(PU油墨、尼龙油墨等),厚度在10-50微米;在印刷好图案的反光热贴上复合一层PET定位膜,得到带有图案的反光热贴。
实施例二
一种反光热贴膜,包括由下至上依次贴合设置的PE/PET复合膜1、印刷层2、玻璃微珠层3、黏胶层4、电镀层5、热熔胶层6。PE/PET复合膜1厚度1.0mm;所述玻璃微珠粒度为450目;黏胶层4使用亮银胶,可以起到反光作用;电镀层5为镀铝层,厚度为10纳米;热熔胶层6为市场常规热熔胶。所述印刷层2的组分由以下重量份的各原料组成:纳米二氧化硅10份,超细碳酸钙10份,份硅烷偶联剂10份,聚乙烯醇30份、硼酸5份,去离子水150份,所述纳米二氧化硅平均粒度为90纳米,所述聚乙烯醇分子量5000,所述印刷层厚度为20μm。
一种反光热贴膜的制备方法,包括以下步骤:
1)涂印刷层,配置组分由以下重量份的各原料组成的印刷层涂液:纳米二氧化硅10份,超细碳酸钙10份,硅烷偶联剂10份,聚乙烯醇30份,硼酸5份,去离子水150份,所述纳米二氧化硅平均粒度为90纳米,所述超细碳酸钙粒径0.01-0.08μm,所述聚乙烯醇分子量5000,将涂液均匀涂布在1.0mm厚的PE/PET复合膜上,印刷层厚度为10μm。
2)涂黏胶层,印刷层上均匀涂布一层厚度20μm的黏胶,经过80℃烘箱烘干1min,在半干状态下取出;
3)植株,将粒度为450目的玻璃微珠通过硫化气压植在PE/PET复合膜胶面上,经过3KG气压的橡胶压辊,把玻璃微珠压进黏胶中,并嵌入PE/PET复合膜中深度为10μm;
4)电镀,将植株后的半成品表面镀铝,电镀层厚度10纳米;
5)涂热熔胶,在电镀层表面均匀涂布热熔胶,60℃烘干15min得到成品。
实施例三
一种反光热贴膜,包括由下至上依次贴合设置的PE/PET复合膜1、印刷层2、玻璃微珠层3、黏胶层4、电镀层5、热熔胶层6。PE/PET复合膜1厚度2.0mm;所述玻璃微珠粒度为450目;黏胶层4使用亮银胶,可以起到反光作用;电镀层5为镀铝层,厚度为0;热熔胶层6为市场常规热熔胶。所述印刷层2的组分由以下重量份的各原料组成:纳米二氧化硅15份,超细碳酸钙8份,份硅烷偶联剂7份,聚乙烯醇25份、硼酸4份,去离子水120份,丙烯酸酯50份,流平剂2份。所述纳米二氧化硅平均粒度为50纳米,所述聚乙烯醇分子量4000,所述印刷层厚度15μm,所述丙烯酸脂除了作为透明的成膜剂,自身也有吸附油墨的作用,流平剂有助于成膜。
一种反光热贴膜的制备方法,包括以下步骤:
1)涂印刷层,配置组分由以下重量份的各原料组成的印刷层涂液:纳米二氧化硅15份,超细碳酸钙8份,硅烷偶联剂7份,聚乙烯醇25份,硼酸4份,去离子水120份,丙烯酸酯50份,流平剂2份。所述纳米二氧化硅平均粒度为90纳米,所述超细碳酸钙粒径0.01-0.08μm,所述聚乙烯醇分子量4000,将涂液均匀涂布在2.0mm厚的PE/PET复合膜上,印刷层厚度为15μm。
2)涂黏胶层,印刷层上均匀涂布一层厚度20μm的亮银胶,经过80℃烘箱烘干1min,在半干状态下取出;
3)植株,将粒度为400450目的玻璃微珠通过硫化气压植在PE/PET复合膜胶面上,经过2KG3KG气压的橡胶压辊,把玻璃微珠压进黏胶中,并嵌入PE/PET复合膜中深度为110μm;
4)电镀层厚度为0纳米;
5)涂热熔胶,在电镀层表面均匀涂布热熔胶,80℃烘干12min得到成品。
实施例五
本实施例与实施例四的区别在于印刷层2的组分为由以下重量份的各原料组成:纳米二氧化硅15份,超细碳酸钙8份,份硅烷偶联剂7份,聚乙烯醇25份、硼酸4份,去离子水120份,丙烯酸酯30份,流平剂1份。
以上所记载,仅为利用本创作技术内容的实施例,任何熟悉本项技艺者运用本创作所做的修饰、变化,皆属本创作主张的专利范围,而不限于实施例所揭示者。

Claims (6)

1.一种反光热贴膜,其特征是:包括由下至上依次贴合设置的PE/PET复合膜(1)、印刷层(2)、玻璃微珠层(3)、黏胶层(4)、电镀层(5)、热熔胶层(6),所述玻璃微珠粒度为400-450目,嵌入PE/PET复合膜(1)中的深度为1-10μm,所述印刷层(2)的组分由以下重量份的各原料组成:纳米二氧化硅10-20份,超细碳酸钙5-10份,硅烷偶联剂5-10份,聚乙烯醇20-30份,硼酸2-5份,去离子水100-150份,所述纳米二氧化硅粒径为10-90纳米,所述超细碳酸钙粒径为0.01-0.08μm,所述聚乙烯醇分子量为3000-5000,所述印刷层(2)厚度为10-20μm,所述黏胶层(4)厚度10-20μm,所述电镀层(5)厚度为10-20纳米。
2.根据权利要求2所述的一种反光热贴膜,其特征是:所述印刷层(2)的组分还加入丙烯酸酯30-50重量份,流平剂1-2重量份。
3.根据权利要求1至3任一权利要求所述的一种反光热贴膜,其特征是:所述黏胶层(4)材料为亮银胶。
4.一种反光热贴膜的制备方法,其特征是:包括以下步骤:
1)涂印刷层,配置组分由以下重量份的各原料组成的印刷层涂液:纳米二氧化硅10-20份,超细碳酸钙5-10份,硅烷偶联剂5-10份,聚乙烯醇20-30份,硼酸2-5份,去离子水100-150份,所述纳米二氧化硅粒径为10-90纳米,所述超细碳酸钙粒度为0.01-0.08μm,所述聚乙烯醇分子量为3000-5000,将所述印刷层涂液均匀涂布在PE/PET复合膜上,烘干,厚度10-20μm;
2)涂黏胶层,印刷层表面上均匀涂布一层厚度为10-20μm的黏胶,经过60-80℃烘箱烘干1-2min,在半干状态下取出;
3)植株,将粒度为400-450目的玻璃微珠通过流化气压植在PE/PET复合膜胶面上,经过2-3KG气压的橡胶压辊,把玻璃微珠压进黏胶中,并嵌入PE/PET复合膜中深度为1-10μm;
4)电镀,将植株后的半成品表面镀铝,电镀层厚度为10-20纳米;
5)涂热熔胶,在电镀层表面均匀涂布热熔胶,60-80℃烘干10-15min得到成品。
5.根据权利要求4所述的一种反光热贴膜的制备方法,其特征是:所述印刷层涂液的组分还加入丙烯酸酯30-50重量份,流平剂1-2重量份。
6.根据权利要求4所述的一种反光热贴膜的制备方法,其特征是:所述黏胶层所用材料为亮银胶。
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