CN108504194A - 一种亚克力表面防护涂层的药液及其喷涂方法 - Google Patents

一种亚克力表面防护涂层的药液及其喷涂方法 Download PDF

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CN108504194A
CN108504194A CN201810435991.4A CN201810435991A CN108504194A CN 108504194 A CN108504194 A CN 108504194A CN 201810435991 A CN201810435991 A CN 201810435991A CN 108504194 A CN108504194 A CN 108504194A
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贡浩飞
潘华平
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Jiangsu Gold Amber Optical Polytron Technologies Inc
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Abstract

本发明涉及一种亚克力表面防护涂层的药液及其喷涂方法，所述的耐磨损无闪点防眩光药液包含有重量比5‑15%疏水性纳米二氧化硅颗粒，1‑10%的硅烷偶联剂正丁基氨基丙基三甲氧基硅烷，1‑5%的硅烷偶联剂二异丁基二甲氧基硅烷,0.1‑2%成膜剂羟丙基甲基纤维素，0.1‑3%的脂肪醇聚氧乙烯醚(AEO)，2‑10%的羟丙基甲基纤维素以及余量的溶剂。所述疏水性二氧化硅纳米颗粒的粒径D50为40纳米，D97为60纳米。所述溶剂为甲醇，乙醇，乙二醇，甲缩醛，乙酸乙酯中的一种或多种混合。本发明既能够使亚克力表面达到无闪点防眩光的效果，而且表面涂层牢固耐磨损，可广泛应用于汽车车载中控触摸屏，工业控制仪表盘等场合。

Description

一种亚克力表面防护涂层的药液及其喷涂方法
技术领域
本发明涉及一种耐磨损同时具有无闪点防眩光功能的亚克力表面防护涂层的药液组成及其喷涂方法，属于亚克力表面防眩光涂层技术领域。
背景技术
亚克力防眩光涂层是在亚克力表面涂覆一层特殊表面结构的物资，广泛应用在户外广告牌，车载导航仪，电子白板等触摸屏盖板上，可以通过散射降低表面放射光，降低亚克力表面在强光下对眼睛造成的刺激，减少反射光污染，使反射光更加柔和，提高显示画面的对比度和阳光下的可读性，是一种可以广泛用在液晶显示屏，触摸屏的盖板材料。形成防眩光亚克力表面的方法主要有喷砂法，喷涂法等。喷涂法是利用特殊配比的溶液浸泡或者喷洒在亚克力表面形成涂层，经过干燥后形成薄膜，这种薄膜具有特定的表面微结构，能够散射反射光，具有防眩光和减反射的效果。目前喷涂法形成的防眩光涂层由于涂层与基材的结合力难以保证，长期使用涂层易于脱落，影响产品使用寿命，本发明提出了一种新的亚克力表面喷涂药液的组成和喷涂工艺，既能够形成无闪点防眩光亚克力表面，又具有良好的耐磨损性能，可广泛应用于车载中控触摸屏，工业仪表触控屏等各类触控显示面板中。
发明内容
本发明的目的在于：针对现有防眩光亚克力涂层易脱落的缺陷，提出了一种亚克力表面喷涂药液的组成和喷涂方法，既能够形成无闪点防眩光亚克力表面，又具有良好的表面耐磨损性能。
本发明所采用的技术方案是：一种亚克力表面防护涂层的药液，包含有重量比5-15%疏水性纳米二氧化硅颗粒，1-10%的硅烷偶联剂正丁基氨基丙基三甲氧基硅烷，1-5%的硅烷偶联剂二异丁基二甲氧基硅烷, 0.1-2%成膜剂羟丙基甲基纤维素，0.1-3%的脂肪醇聚氧乙烯醚(AEO)，2-10%的羟丙基甲基纤维素以及余量的溶剂。其中疏水性二氧化硅纳米颗粒的粒径D50为40纳米，D97为60纳米。所述溶剂为甲醇，乙醇，乙二醇，甲缩醛，乙酸乙酯中的一种或多种混合。
一种利用亚克力表面防护涂层的药液的喷涂方法，包括如下步骤：将亚克力进入清洗机清洗干净，随后亚克力进入隧道炉预热到50摄氏度，然后迅速制得的药液均匀喷洒在经过处理的亚克力表面，喷洒量为0.1-0.5g/平方米，随后亚克力进入隧道炉，在40-70摄氏度温度下烘烤20-40分钟即得到防眩光亚克力表面。
采用本发明的喷涂液及加工方法，能够形成亚克力表面的无闪点防眩光涂层，并且使涂层与亚克力形成稳定的化学力结合，耐磨损性能好，可以长期使用而不脱落；其喷涂液价格较低，喷涂过程较容易控制，生产良率高，产品质量稳定，生产过程中没有废液产生，环保性好，可以代替有污染的刻蚀生产工艺。
具体实施方式
实施例1
将下列组分均匀混合，重量比10%疏水性纳米二氧化硅颗粒，其中疏水性二氧化硅纳米颗粒的粒径D50为40纳米，D97为60纳米，4%的硅烷偶联剂正丁基氨基丙基三甲氧基硅烷，2%的硅烷偶联剂二异丁基二甲氧基硅烷, 0.4%成膜剂羟丙基甲基纤维素，0.6%的脂肪醇聚氧乙烯醚(AEO)，6%的羟丙基甲基纤维素以及20%的乙二醇以及57%乙酸乙酯。将厚度为3毫米的亚克力清洗干净，进入隧道炉预热50度，随后经过全自动喷涂机上的喷嘴均匀喷洒上述药液，喷洒量为0.3g/平方米，喷洒药液后的亚克力经过隧道炉60摄氏度烘烤30分钟后得到防眩光表面，耐摩擦测试经过直径为20.0mm0000# 钢丝绒加500 克压力来回摩擦2000 次不脱落，频率40 次/ 分钟。其光学特性为透射雾度6%， 光泽度（入射角度为60度时）为95，图像鲜映度（DOI）为96， 其显微镜图像显示，亚克力表面产生起伏不平的表面，其特征大小为5微米， 表面算术平均值粗糙度（Ra）为0.06微米。在PPI为300的液晶显示器表面看不到明显闪点，为无闪点防眩光亚克力表面。
实施例2
将下列组分均匀混合，重量比13%疏水性纳米二氧化硅颗粒，其中疏水性二氧化硅纳米颗粒的粒径D50为40纳米，D97为60纳米，6%的硅烷偶联剂正丁基氨基丙基三甲氧基硅烷，3%的硅烷偶联剂二异丁基二甲氧基硅烷, 0.7%成膜剂羟丙基甲基纤维素，0.3%的脂肪醇聚氧乙烯醚(AEO)，4%的羟丙基甲基纤维素以及10%的乙醇以及63%甲缩醛。将厚度为3毫米的亚克力清洗干净，进入隧道炉预热50度，随后经过全自动喷涂机上的喷嘴均匀喷洒上述药液，喷洒量为0.3g/平方米，喷洒药液后的亚克力经过隧道炉60摄氏度烘烤30分钟后得到防眩光亚克力表面，耐摩擦测试经过直径为20.0mm0000# 钢丝绒加500 克压力来回摩擦2000次不脱落，频率40 次/ 分钟。其光学特性为透射雾度8%， 光泽度（入射角度为60度时）为110， 图像鲜映度（DOI）为98， 其显微镜图像显示，亚克力表面产生起伏不平的表面，其特征大小为4微米， 表面算术平均值粗糙度（Ra）为0.05微米。在PPI为300的液晶显示器表面看不到明显闪点，为无闪点防眩光亚克力表面。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (4)

1.一种亚克力表面防护涂层的药液，其特征在于：包含有重量比5-15%疏水性纳米二氧化硅颗粒，1-10%的硅烷偶联剂正丁基氨基丙基三甲氧基硅烷，1-5%的硅烷偶联剂二异丁基二甲氧基硅烷, 0.1-2%成膜剂羟丙基甲基纤维素，0.1-3%的脂肪醇聚氧乙烯醚(AEO)，2-10%的羟丙基甲基纤维素以及余量的溶剂。
2.根据权利要求1所述的一种亚克力表面防护涂层的药液，其特征在于：所述疏水性二氧化硅纳米颗粒的粒径D50为40纳米，D97为60纳米。
3.根据权利要求1所述的一种亚克力表面防护涂层的药液，其特征在于：所述溶剂为甲醇、乙醇、乙二醇、甲缩醛、乙酸乙酯中的一种或多种混合。
4.一种利用如权利要求1所述的亚克力表面防护涂层的药液的喷涂方法，其特征在于：包括如下步骤，将亚克力进入清洗机清洗干净，然后迅速将权利要求1所述的药液均匀喷洒在经过处理的亚克力表面，随后亚克力进入隧道炉，在40-70摄氏度温度下烘烤20-40分钟即得到防眩光亚克力。
CN201810435991.4A 2018-05-09 2018-05-09 一种亚克力表面防护涂层的药液及其喷涂方法 Pending CN108504194A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112521780A (zh) * 2020-12-23 2021-03-19 江南大学 一种防眩疏水型改性纳米硅溶胶的制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101434709A (zh) * 2008-12-09 2009-05-20 西安交通大学 一种硅橡胶表面疏水性涂层的制备方法
CN105295719A (zh) * 2015-11-18 2016-02-03 镇江联盛新材料科技有限公司 耐磨损防眩光玻璃喷涂液及防眩光涂层的加工方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101434709A (zh) * 2008-12-09 2009-05-20 西安交通大学 一种硅橡胶表面疏水性涂层的制备方法
CN105295719A (zh) * 2015-11-18 2016-02-03 镇江联盛新材料科技有限公司 耐磨损防眩光玻璃喷涂液及防眩光涂层的加工方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112521780A (zh) * 2020-12-23 2021-03-19 江南大学 一种防眩疏水型改性纳米硅溶胶的制备方法

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Application publication date: 20180907