CN111154130A - 基于光学塑料防眩光防指纹复合涂层的制备方法及面板 - Google Patents
基于光学塑料防眩光防指纹复合涂层的制备方法及面板 Download PDFInfo
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Abstract
本发明适用于复合涂层制备领域，提供了一种基于光学塑料防眩光防指纹复合涂层的制备方法及面板，所述制备方法包括以下步骤：S1：对基材进行等离子处理；S2：在基材上喷涂紫外光固化防眩光药水，并通过紫外光照射固化，得到具有防眩光涂层的基材；S3：将具有防眩光涂层的基材放置在一定条件下静置；S4：在防眩光涂层表面喷涂紫外光固化防指纹药水，并通过紫外光照射固化，得到具有防眩光防指纹涂层的基材。解决现有技术中采用浸渍法需基材双面均施加涂层，增加了材料成本；采用淋涂法涂层表面水滴角存在分布不均匀；采用真空镀膜方法，成本较高，且该工艺用于玻璃基材，不适合塑胶基材的技术问题。
Description
技术领域
本发明属于复合涂层制备领域，尤其涉及一种基于光学塑料防眩光防指纹复合涂层的制备方法及面板。
背景技术
目前以聚甲基丙烯酸甲酯(PMMA)为代表的高分子材料因其具有优异的光学性能和物理机械性能广泛应用于触摸屏、车载视窗等显示面板产品上，在某些领域甚至有替代光学玻璃的趋势，但这些产品表面在使用过程中，容易被水渍、油脂、灰尘等污物污染，如果在户外或强光环境下还会因光线反射作用产生白光、刺眼等现象。为了改善这些缺陷，在其表面施加防眩光防指纹表面处理显得尤为重。
但目前均是采用浸渍法或淋涂法制备防指纹涂层的不足，采用浸渍法需基材双面均施加涂层，增加了材料成本；采用淋涂法涂层表面水滴角存在分布不均匀的问题；采用真空镀膜方法，成本较高，且该工艺用于玻璃基材，不适合塑胶基材。
发明内容
本发明的目的在于提供一种基于光学塑料防眩光防指纹复合涂层的制备方法，旨在解决现有技术中采用浸渍法需基材双面均施加涂层，增加了材料成本；采用淋涂法涂层表面水滴角存在分布不均匀；采用真空镀膜方法，成本较高，且该工艺用于玻璃基材，不适合塑胶基材的技术问题的技术问题。
本发明是这样实现的，一种基于光学塑料防眩光防指纹复合涂层的制备方法，所述制备方法包括以下步骤：
步骤S1：对基材进行等离子处理；
步骤S2：在基材上喷涂紫外光固化防眩光药水，并通过紫外光照射固化，得到具有防眩光涂层的基材；
步骤S3：将具有防眩光涂层的基材放置在一定条件下静置；
步骤S4：在防眩光涂层表面喷涂紫外光固化防指纹药水，并通过紫外光照射固化，得到具有防眩光防指纹涂层的基材。
本发明的进一步技术方案是：所述步骤S1中的基材为聚甲基丙烯酸甲酯或聚碳酸酯或聚甲基丙烯酸甲酯或聚碳酸酯复合板中的一种。
本发明的进一步技术方案是：所述步骤S2还包括一下步骤：
步骤S21：采用口径为0.1-2.5mm，喷涂压力为0.3-0.8Mpa，流量为0.5-5g/min的喷枪进行紫外光固化防眩光药水喷涂；
步骤S22：喷涂完成后将带有紫外光固化防眩光涂层的基材在50-80℃条件下烘烤1-10min，再在300-1000mJ/cm2的紫外光能量条件下固化，得到具有防眩光涂层的基材。
本发明的进一步技术方案是：喷涂的紫外光固化防眩光药水厚度为1-5μm。
本发明的进一步技术方案是：所述步骤S3具体为将固化好防眩光涂层的基材放置在温度低于35℃，湿度低于70％的条件下静置30-120min。
本发明的进一步技术方案是：所述步骤S4还包括一下步骤：
步骤S41：采用口径为0.1-2.5mm，喷涂压力为0.01-0.3Mpa，流量为5-15g/min的喷枪进行紫外光固化防指纹药水喷涂；
步骤S42：喷涂完成后将带有紫外光固化防指纹涂层的基材在50-80℃条件下烘烤1-10min，再在800-2000mJ/cm2的紫外光能量条件下固化，得到具有防眩光防指纹的基材。
本发明的进一步技术方案是：喷涂的紫外光固化防指纹药水厚度为5-20μm。
本发明的进一步技术方案是：所述步骤S2中紫外光固化防眩光药水中的无机粒子为二氧化硅、二氧化钛、氧化锌、氧化铟、氧化锡、氧化锆中的一种或几种组合；所述步骤S4中紫外光固化防指纹药水中的光敏树脂为聚氨酯丙烯酸酯、环氧丙烯酸酯、聚醚丙烯酸酯、聚酯丙烯酸酯、有机硅中的一种或几种组合。
本发明的进一步技术方案是：所述紫外光照射固化需要在惰性气体环境保护下进行。
本发明的另一目的在于提供一种面板，所述面板包括基材，喷涂固化在所述基材上的防眩光层，及喷涂固化在所述防眩光层上的防指纹层，所述面板通过所述的制备方法制成。
本发明的有益效果是：与现有技术相比，此种一种基于光学塑料基材的具有防眩光防指纹复合功能涂层的制备方法，该方法制备简单，同时赋予了基材表面耐刮伤、易清洁及防眩光的复合功能。
附图说明
图1是本发明实施例提供的一种基于光学塑料防眩光防指纹复合涂层的制备方法的步骤流程图；
图2是本发明实施例提供的一种面板的截面图。
具体实施方式
图1示出了本发明提供的一种基于光学塑料防眩光防指纹复合涂层的制备方法，所述制备方法包括以下步骤：
步骤S1：对基材进行等离子处理；基材为聚甲基丙烯酸甲酯或聚碳酸酯或聚甲基丙烯酸甲酯或聚碳酸酯复合板中的一种。
步骤S2：采用口径为0.1-2.5mm，喷涂压力为0.3-0.8Mpa，流量为0.5-5g/min的喷枪在基材上喷涂紫外光固化防眩光药水，喷涂的紫外光固化防眩光药水厚度为1-5μm，喷涂完成后将带有紫外光固化防眩光药水的基材在50-80℃条件下烘烤1-10min，再在300-1000mJ/cm2的紫外光照射条件下固化，得到具有防眩光涂层的基材，紫外光固化防眩光药水中的无机粒子为二氧化硅、二氧化钛、氧化锌、氧化铟、氧化锡、氧化锆中的一种或几种组合。
步骤S3：将固化好防眩光涂层的基材放置在温度低于35℃，湿度低于70％的条件下静置30-120min。
步骤S4：采用口径为0.1-2.5mm，喷涂压力为0.01-0.3Mpa，流量为5-15g/min的喷枪进行紫外光固化防指纹药水喷涂，喷涂的紫外光固化防指纹药水厚度为5-20μm，喷涂完成后将带有紫外光固化防指纹涂层的基材在50-80℃条件下烘烤1-10min，再在800-2000mJ/cm2的紫外光照射条件下固化，得到具有防眩光防指纹涂层的基材，紫外光固化防指纹药水中的光敏树脂为聚氨酯丙烯酸酯、环氧丙烯酸酯、聚醚丙烯酸酯、聚酯丙烯酸酯、有机硅中的一种或几种组合。
所述紫外光照射固化需要在惰性气体环境保护下进行。
实施例一
将PMMA(聚甲基丙烯酸甲酯)板材表面进行等离子预处理；
使用0.5mm口径的喷枪，将含有二氧化钛粒子紫外光固化防眩光(AG)药水在0.6Mpa喷涂压力、1g/min流量条件下喷涂到PMMA表面，经65℃下烘烤5min，然后在750mJ/cm2的紫外光照射条件下固化得到厚度为5μm的AG涂层；
喷涂好AG涂层的PMMA板在温度25℃，湿度50％条件下放置30min；
使用1.0口径的喷枪，将聚氨酯丙烯酸树脂紫外光固化防指纹(AF)药水在0.2Mpa喷涂压力、10g/min流量条件下喷涂到AG涂层表面，在75℃下烘烤5min，然后在1000mJ/cm2的紫外光照射条件下固化获得AF涂层，厚度10μm；防眩光防指纹复合功能涂层的PMMA面板初始水滴角110°，硬度4H，雾度5％，具有抗污防眩高硬度的特性。
实施例二
将PC(聚碳酸酯)板材表面进行等离子预处理；
利用1.0口径的喷枪，将含有二氧化硅粒子的紫外光固化防眩光(AG)药水在0.65Mpa喷涂压力、0.5g/min流量条件下喷涂到PC表面，经65℃下烘烤3min，然后在氮气气氛保护下进行紫外光照射，累积能量达到800mJ/cm2，获得厚度为3μm的AG涂层；
将喷涂好AG涂层的PC面板在25℃，湿度50％条件下放置30min；
将含有聚氨酯丙烯酸和有机硅复合体系的紫外光固化防指纹(AF)药水在0.1Mpa喷涂压力、10g/min流量条件下喷涂到AG涂层表面，经70℃下烘烤5min，然后在1000mJ/cm2的紫外光照射条件下固化获得AF涂层，厚度8μm；防眩防指纹复合功能涂层的PC面板初始水滴角110°，硬度1H，雾度3％，具有抗污防眩的特性。
如图2示出了一种面板，所述面板包括基材，喷涂固化在所述基材上的防眩光层，及喷涂固化在所述防眩光层上的防指纹层，所述面板通过所述的制备方法制成。
与现有技术相比，此种一种基于光学塑料基材的具有防眩光防指纹复合功能涂层的制备方法，该方法制备简单，同时赋予了基材表面耐刮伤、易清洁及防眩光的复合功能。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。
Claims (10)
1.一种基于光学塑料防眩光防指纹复合涂层的制备方法，其特征在于，所述制备方法包括以下步骤：
步骤S1：对基材进行等离子处理；
步骤S2：在基材上喷涂紫外光固化防眩光药水，并通过紫外光照射固化，得到具有防眩光涂层的基材；
步骤S3：将具有防眩光涂层的基材放置在一定条件下静置；
步骤S4：在防眩光涂层表面喷涂紫外光固化防指纹药水，并通过紫外光照射固化，得到具有防眩光防指纹涂层的基材。
2.根据权利要求1所述的制备方法，其特征在于，所述步骤S1中的基材为聚甲基丙烯酸甲酯或聚碳酸酯或聚甲基丙烯酸甲酯或聚碳酸酯复合板中的一种。
3.根据权利要求2所述的制备方法，其特征在于，所述步骤S2还包括一下步骤：
步骤S21：采用口径为0.1-2.5mm，喷涂压力为0.3-0.8Mpa，流量为0.5-5g/min的喷枪进行紫外光固化防眩光药水喷涂；
步骤S22：喷涂完成后将带有紫外光固化防眩光药水的基材在50-80℃条件下烘烤1-10min，再在300-1000mJ/cm2的紫外光照射条件下固化，得到具有防眩光涂层的基材。
4.根据权利要求3所述的制备方法，其特征在于，喷涂的紫外光固化防眩光药水厚度为1-5μm。
5.根据权利要求4所述的制备方法，其特征在于，所述步骤S3具体为将固化好防眩光涂层的基材放置在温度低于35℃，湿度低于70％的条件下静置30-120min。
6.根据权利要求5所述的制备方法，其特征在于，所述步骤S4还包括一下步骤：
步骤S41：采用口径为0.1-2.5mm，喷涂压力为0.01-0.3Mpa，流量为5-15g/min的喷枪进行紫外光固化防指纹药水喷涂；
步骤S42：喷涂完成后将带有紫外光固化防指纹药水的基材在50-80℃条件下烘烤1-10min，再在800-2000mJ/cm2的紫外光照射条件下固化，得到具有防眩光防指纹涂层的基材。
7.根据权利要求6所述的制备方法，其特征在于，喷涂的紫外光固化防指纹药水厚度为5-20μm。
8.根据权利要求7所述的制备方法，其特征在于，所述步骤S2中紫外光固化防眩光药水中的无机粒子为二氧化硅、二氧化钛、氧化锌、氧化铟、氧化锡、氧化锆中的一种或几种组合；所述步骤S4中紫外光固化防指纹药水中的光敏树脂为聚氨酯丙烯酸酯、环氧丙烯酸酯、聚醚丙烯酸酯、聚酯丙烯酸酯、有机硅中的一种或几种组合。
9.根据权利要求8所述的制备方法，其特征在于，所述紫外光照射固化需要在惰性气体环境保护下进行。
10.一种面板，其特征在于，所述面板包括基材，喷涂固化在所述基材上的防眩光层，及喷涂固化在所述防眩光层上的防指纹层，所述面板通过权利要求1-9所述的制备方法制成。
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