CN107489074B - 一种高粘合力耐候不干胶纸 - Google Patents

一种高粘合力耐候不干胶纸 Download PDF

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CN107489074B
CN107489074B CN201710643881.2A CN201710643881A CN107489074B CN 107489074 B CN107489074 B CN 107489074B CN 201710643881 A CN201710643881 A CN 201710643881A CN 107489074 B CN107489074 B CN 107489074B
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陈飘
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Nantong Yichuan composite material technology Co.,Ltd.
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Abstract

本发明公开了一种高粘合力耐候不干胶纸，从外向里层依次包括：反射层、面材层、不干胶层、硅油纸层，所述面材层包含以重量份计的：聚碳酸酯20‑30份、PE‑g‑GMA 5‑13份、马来酸酐接枝聚乙烯15‑25份、石墨烯0.1‑1份、2，6‑二叔丁基‑4‑甲基苯酚0.5‑2份、亚磷酸三酯0.2‑1份；所述不干胶层包含以重量份计的：丙烯酸树脂20‑25份、环氧树脂5‑15份、乙酸乙酯25‑30份、马来酸酐接枝聚乙烯8‑14份、乙烯‑乙酸乙烯酯共聚物10‑16份、纳米氢氧化铝3‑5份、纳米氧化锌2‑6份、增塑剂3‑9份、填料3‑12份。本发明的面材层和不干胶层相容性好、粘结性佳、抗老化、耐用，具有极好的使用体验和持久的粘结性，适用性广。

Description

一种高粘合力耐候不干胶纸
技术领域
本发明涉及化工领域，尤其涉及一种高粘合力耐候不干胶纸。
背景技术
不干胶又称为自贴纸、压敏纸、及时贴等，由于其使用方便、成本低廉而被广泛采用。通常它是以纸张、薄膜等为面料，背面涂有粘合剂，以涂硅底层为保护纸的一种复合材料，并经过印刷、模切等加工后成为成品标签。
以上是不干胶的基本功能，而目前有很多增益功能的不干胶出现，如夜光不干胶，耐水不干胶，适用于各种材质贴合面的不干胶，等等。针对某些应用场合，如阳光暴晒、冷热交替等环境下需要用耐候的、使用寿命长的不干胶，令需要较高的粘合力，对于用量较大的场合，满足其更换时间延长的要求，以避免频繁更换，节省成本。另外高粘合力的不干胶也给人以舒适的使用感受。因此为了提高不干胶使用舒适度和持久度，粘合力和耐候性是最宜考量的两个致胜因素。
发明内容
本发明的目的在于提供一种高粘合力耐候不干胶纸，有效提高附着力，并且具有独家耐候层，增加使用后保存的寿命，克服现有技术中存在的问题。
为了实现以上目的，本发明的技术方案是：
一种高粘合力耐候不干胶纸，从外向里层依次包括：反射层、面材层、不干胶层、硅油纸层，所述面材层包含以下重量份的组分：
聚碳酸酯 20-30份
PE-g-GMA 5-13份
马来酸酐接枝聚乙烯 15-25份
石墨烯 0.1-1份
2，6-二叔丁基-4-甲基苯酚 0.5-2份
亚磷酸三酯 0.2-1份；
所述不干胶层包含以下重量份的组分：
丙烯酸树脂 20-25份
环氧树脂 5-15份
乙酸乙酯 25-30份
马来酸酐接枝聚乙烯 8-14份
乙烯-乙酸乙烯酯共聚物 10-16份
纳米氢氧化铝 3-5份
纳米氧化锌 2-6份
增塑剂 3-9份
填料 3-12份。
作为优选，所述反射层为铝箔、热反射金属氧化物薄膜或银镜膜。铝箔、热反射金属氧化物薄膜或银镜膜均高反，截住大部分光线，以减弱大部分光解效应。
作为优选，所述亚磷酸三酯为亚磷酸三苯酯、亚磷酸三辛酯、亚磷酸三癸酯中的一种。亚磷酸三酯抗氧性能优异。
作为优选，所述石墨烯的粒径在80-250nm。石墨烯粒径亚纳米级别，性能良好。
作为优选，所述纳米氢氧化铝的粒径在100-500nm，所述纳米氧化锌的粒径在80-400nm。氢氧化铝和氧化锌纳米级别，表面改性性能良好。
作为优选，所述填料为钛白粉、碳酸钙、膨润土、石英粉、滑石粉中的至少两种。以上粉末均为高性能紧致成分，兼具良好的光学、表面性能
作为优选，所述反射层的反射率不低于75%。反射层的反射率不低于75%对于目前技术难度不大，涂层可以很薄，节省成本。
本发明的有益效果在于：本发明的构思精巧，配方鲜明。反射层、面材层、不干胶层、硅油纸层联系紧密；反射层抵挡大部分太阳光、灯光照射损害，大大降低老化；面材层和不干胶层为主体，起到功能性的提升作用，包括粘结力的提升和耐候性的提升；聚碳酸酯本身具有耐候性，马来酸酐接枝聚乙烯与之相容性强，石墨烯具有优异的总和性能，2，6-二叔丁基-4-甲基苯酚和亚磷酸三酯两种抗老化剂持久防老化性能优异；丙烯酸树脂、环氧树脂、乙酸乙酯作为不干胶层主体具有强的粘接性，乙烯-乙酸乙烯酯共聚物增强总和交联性和粘结性。本发明的面材层和不干胶层相容性好、粘结性佳、抗老化、耐用，具有极好的使用体验和持久的粘结性，适用性广。
附图说明
图1是本发明实施例的层次结构示意图。
图中：1-反射层，2-面材层，3-不干胶层，4-硅油纸层。
具体实施方式
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例作简单地介绍。
如图1，一种高粘合力耐候不干胶纸，从外向里层依次包括：反射层1、面材层2、不干胶层3、硅油纸层4；
实施例1
所述面材层2包含以下重量份的组分：
聚碳酸酯 25份
PE-g-GMA 13份
马来酸酐接枝聚乙烯 18份
石墨烯 0.5份
2，6-二叔丁基-4-甲基苯酚 0.5份
亚磷酸三酯 0.2份；
所述不干胶层3包含以下重量份的组分：
丙烯酸树脂 25份
环氧树脂 15份
乙酸乙酯 30份
马来酸酐接枝聚乙烯 11份
乙烯-乙酸乙烯酯共聚物 10份
纳米氢氧化铝 4份
纳米氧化锌 2份
增塑剂 6份
填料 3份；
所述反射层为铝箔、热反射金属氧化物薄膜或银镜膜，所述反射层的反射率不低于75%；所述亚磷酸三酯为亚磷酸三苯酯；所述石墨烯的粒径在80-250nm；所述纳米氢氧化铝的粒径在100-500nm，所述纳米氧化锌的粒径在80-400nm；所述填料为钛白粉、碳酸钙、膨润土、石英粉、滑石粉中的至少两种。
实践证明，此不干胶纸在日光、灯光下使用1.4年，不干胶纸仍粘接紧密，且表面颜色无泛黄、松动、脱落等变化。
实施例2
所述面材层2包含以下重量份的组分：
聚碳酸酯 30份
PE-g-GMA 9份
马来酸酐接枝聚乙烯 25份
石墨烯 1份
2，6-二叔丁基-4-甲基苯酚 1.2份
亚磷酸三酯 1份；
所述不干胶层3包含以下重量份的组分：
丙烯酸树脂 20份
环氧树脂 7.5份
乙酸乙酯 25份
马来酸酐接枝聚乙烯 14份
乙烯-乙酸乙烯酯共聚物 16份
纳米氢氧化铝 5份
纳米氧化锌 6份
增塑剂 9份
填料 12份；
所述反射层为铝箔、热反射金属氧化物薄膜或银镜膜，所述反射层的反射率不低于75%；所述亚磷酸三酯为亚磷酸三辛酯；所述石墨烯的粒径在80-250nm；所述纳米氢氧化铝的粒径在100-500nm，所述纳米氧化锌的粒径在80-400nm；所述填料为钛白粉、碳酸钙、膨润土、石英粉、滑石粉中的至少两种。
实践证明，此不干胶纸在日光、灯光下使用1.5年，不干胶纸仍粘接紧密，且表面颜色无泛黄、松动、脱落等变化。
实施例3
所述面材层2包含以下重量份的组分：
聚碳酸酯 20份
PE-g-GMA 5份
马来酸酐接枝聚乙烯 15份
石墨烯 0.1份
2，6-二叔丁基-4-甲基苯酚 2份
亚磷酸三酯 0.7份；
所述不干胶层3包含以下重量份的组分：
丙烯酸树脂 22份
环氧树脂 5份
乙酸乙酯 27份
马来酸酐接枝聚乙烯 8份
乙烯-乙酸乙烯酯共聚物 12.5份
纳米氢氧化铝 3份
纳米氧化锌 4份
增塑剂 3份
填料 6份；
所述反射层为铝箔、热反射金属氧化物薄膜或银镜膜，所述反射层的反射率不低于75%；所述亚磷酸三酯为亚磷酸三癸酯；所述石墨烯的粒径在80-250nm；所述纳米氢氧化铝的粒径在100-500nm，所述纳米氧化锌的粒径在80-400nm；所述填料为钛白粉、碳酸钙、膨润土、石英粉、滑石粉中的至少两种。
实践证明，此不干胶纸在日光、灯光下使用1.2年，不干胶纸仍粘接紧密，且表面颜色无泛黄、松动、脱落等变化。
以上实施例仅用以说明本发明的优选技术方案，应当指出，对于本技术领域的普通技术人员而言，在不脱离本发明原理的前提下，所做出的若干改进或等同替换，均视为本发明的保护范围，仍应涵盖在本发明的权利要求范围中。

Claims (7)

1. 一种高粘合力耐候不干胶纸，其特征在于，从外向里层依次包括：反射层、面材层、不干胶层、硅油纸层，所述面材层包含以下重量份的组分：
聚碳酸酯 20-30份
PE-g-GMA 5-13份
马来酸酐接枝聚乙烯 15-25份
石墨烯 0.1-1份
2，6-二叔丁基-4-甲基苯酚 0.5-2份
亚磷酸三酯 0.2-1份；
所述不干胶层包含以下重量份的组分：
丙烯酸树脂 20-25份
环氧树脂 5-15份
乙酸乙酯 25-30份
马来酸酐接枝聚乙烯 8-14份
乙烯-乙酸乙烯酯共聚物 10-16份
纳米氢氧化铝 3-5份
纳米氧化锌 2-6份
增塑剂 3-9份
填料 3-12份。
2.根据权利要求1所述的一种高粘合力耐候不干胶纸，其特征在于，所述反射层为铝箔、热反射金属氧化物薄膜或银镜膜。
3.根据权利要求1所述的一种高粘合力耐候不干胶纸，其特征在于，所述亚磷酸三酯为亚磷酸三苯酯、亚磷酸三辛酯、亚磷酸三癸酯中的一种。
4.根据权利要求1所述的一种高粘合力耐候不干胶纸，其特征在于，所述石墨烯的粒径在80-250nm。
5.根据权利要求1所述的一种高粘合力耐候不干胶纸，其特征在于，所述纳米氢氧化铝的粒径在100-500nm，所述纳米氧化锌的粒径在80-400nm。
6.根据权利要求1所述的一种高粘合力耐候不干胶纸，其特征在于，所述填料为钛白粉、碳酸钙、膨润土、石英粉、滑石粉中的至少两种。
7.根据权利要求2所述的一种高粘合力耐候不干胶纸，其特征在于，所述反射层的反射率不低于75%。
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