CN115247380A - 一种可烫金画布及其制备方法 - Google Patents

一种可烫金画布及其制备方法 Download PDF

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CN115247380A
CN115247380A CN202210601558.XA CN202210601558A CN115247380A CN 115247380 A CN115247380 A CN 115247380A CN 202210601558 A CN202210601558 A CN 202210601558A CN 115247380 A CN115247380 A CN 115247380A
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bronzing
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陈卫宏
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Jiangsu Fenghuang Painting Material Technology Co ltd
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Abstract

本发明涉及一种可烫金画布及其制备方法，包括基材，基材上分别喷涂有清胶层和面涂层，其中基材表面喷涂有三层30μm厚度的清胶层，清胶层上方喷涂有150μm面涂层，制备时首先将基材胚布进行轧光处理，然后依次喷涂清胶层后进行烘干，最后喷涂面涂层后进行激光处理得到表面烫金图案。采用本发明的制备方法得到的可烫金画布质地柔软、吸水性好、对颜料的稀稠度要求低，具有防皱、防霉、防虫蛀、不易老化、色彩稳定的优点。

Description

一种可烫金画布及其制备方法
技术领域
本发明涉及一种可烫金画布及其制备方法，属于油画布领域。
背景技术
现有的喷涂画布大多是在化纤织物如玻璃布或棉布上粘附PVC面、聚合物的乳液配制涂层、或涤纶材质和刀刮PVC涂层制备类似画布。
现有的制备方法在基材上覆盖PVC膜或使用聚合物乳液，虽然效果平整，但吸水性差、易发黄、容易皲裂、不易保存，只适应定制广告、家用装饰，不能体现基材本身的肌理，表达效果不佳，应用范围较窄。
为此，我们提出一种可烫金画布及其制备方法。
发明内容
本发明的目的是为了解决传统画布采用粘附PVC面的方式，只能绘制油画、丙烯图案，颜料干燥时间长、易发霉、保存时间短、无法在画布表面烫金的问题，提供了一种质地柔软、吸水性好使用方便的可烫金画布及其制备方法。
本发明采用如下技术方案：一种可烫金画布，包括基材，其特征在于：所述基材表面喷涂有三层清胶层，所述清胶层上方喷涂有面涂层；
所述清胶层中各组分按重量份数包括：丙烯酸酯粘合剂13-18份、环氧丙烯酸酯2-3份、聚醋酸乙烯胶粘剂3-5份、乙醇3-5份、去离子水45-55份、环氧乙丙酸酯3-6份、光亮剂1-3份；
所述面涂层中各组分按重量份数包括：二氧化硅6-10份、钛白粉13-17份、丙烯酸酯粘合剂18-22份、去离子水58-65份、荧光剂3-8份、明矾6-10份、表面活性剂12-15份以及羟丙基甲基纤维素10-15份。
进一步的，所述基材包括但不限于全棉布和亚麻布材质。
进一步的，所述清胶层的三层厚度均为30μm。
进一步的，所述面涂层的厚度为150μm。
可烫金画布的制备方法，包括如下步骤：
(1)基材胚布轧光：将基材胚布轧光处理，去除基布表面线绒结节，使基材胚布表面平整；
(2)清胶层喷涂：采用自动化涂层机对处理后的胚布分三次进行清胶层喷涂，第一次喷涂后进入烘箱烘干：烘干温度为80℃；第二次喷涂后进入烘箱烘干：烘干温度为90℃；第三次喷涂后进入烘箱烘干：烘干温度为100℃，织物三次进入烘箱的速度均为8m/min；
(3)面涂层喷涂：在已喷涂清胶层的基材上喷涂面涂层，喷涂完成后进入烘箱：烘干温度为120℃，织物通过烘箱速度为6m/min，形成画布；
(4)将设计好的图案转移至多种颜色的电化铝箔层上，采用烫金设备加热处理，使电化铝箔层上的图案转印至画布表面形成金层图案效果。
进一步的，所述步骤(1)中轧光压力为20吨，速度为5m/min。
进一步的，所述步骤(4)中还包括使用激光机进行高能量光束照射画布表面，激光波长为激光波长为750-800μm，激光频率为700-800HZ。
本发明有益效果：
(1)清胶层中聚醋酸乙烯胶粘剂能够提高固化速度，提高了基布胚料的韧性；
(2)面涂层和清胶层中添加有丙烯酸酯粘合剂和环氧乙丙酸酯，使涂层面与清胶面粘合更紧更牢固，使烫金图案和绘画颜料吸附力更强，画面不易皱裂，收缩力小；
(3)采用本发明的制备方法得到的可烫金画布质地柔软、吸水性好、对颜料的稀稠度要求低，具有防皱、防霉、防虫蛀、不易老化、色彩稳定。
具体实施方式
下面将结合具体实施例对本发明作进一步的解释说明。
实施例1：
一种可烫金画布，包括基材，基材包括但不限于全棉布和亚麻布材质，基材上分别喷涂有清胶层和面涂层，基材表面喷涂有三层清胶层，三层厚度均为30μm，清胶层上方喷涂有面涂层；所述清胶层中各组分按重量份数包括：丙烯酸酯粘合剂13份、环氧丙烯酸酯3份、聚醋酸乙烯胶粘剂3份、乙醇5份、去离子水45份、环氧乙丙酸酯6份、光亮剂1份；
其中清胶层中，光亮剂的作用：光亮剂在清胶层喷涂后形成吸附膜，更好地保护基布表面，更具有润滑性，增加涂层的耐化学性。
面涂层中各组分按重量份数包括：将二氧化硅10份、钛白粉13份、丙烯酸酯粘合剂22份、去离子水58份、荧光剂8份、明矾6份、表面活性剂15份、羟丙基甲基纤维素10份。
在面涂层中，二氧化硅和表面活性剂：二氧化硅具有抗黏性和助流性，能够提高涂层的松密度，与表面活性剂配合使用起到消泡和润滑作用，使画布质地更柔软；
同时其中各组分在涂层中起到的作用如下：
明矾：具有灭菌抗菌作用，杀灭涂层和基布中的菌类，使画布保存更长久，不易霉变，不易发黄。
荧光剂：增加涂层的鲜艳度、光亮度和光泽度，增大与环氧树脂相溶性，增强对转移到画布表面各种颜色的润湿分散作用，具有强烈的立体感，色彩稳定。
羟丙基甲基纤维素在面涂层中不仅能够提高其他组分的分散性，还能够增加面涂层的粘性，使画布的使用效果更佳。
实施例2：
一种可烫金画布，包括基材，基材包括但不限于全棉布和亚麻布材质，基材上分别喷涂有清胶层和面涂层，基材表面喷涂有三层清胶层，三层厚度均为30μm，清胶层上方喷涂有面涂层；所述清胶层中各组分按重量份数包括：丙烯酸酯粘合剂15份、环氧丙烯酸酯2.5份、聚醋酸乙烯胶粘剂4份、乙醇4份、去离子水50份、环氧乙丙酸酯5份、光亮剂1-3份；
面涂层中各组分按重量份数包括：将二氧化硅8份、钛白粉15份、丙烯酸酯粘合剂20份、去离子水60份、荧光剂5份、明矾8份、表面活性剂14份、羟丙基甲基纤维素12份。
实施例3：
一种可烫金画布，包括基材，基材包括但不限于全棉布和亚麻布材质，基材上分别喷涂有清胶层和面涂层，基材表面喷涂有三层清胶层，三层厚度均为30μm，清胶层上方喷涂有面涂层；所述清胶层中各组分按重量份数包括：丙烯酸酯粘合剂18份、环氧丙烯酸酯2份、聚醋酸乙烯胶粘剂5份、乙醇3份、去离子水55份、环氧乙丙酸酯3份、光亮剂3份；
面涂层中各组分按重量份数包括：将二氧化硅6份、钛白粉17份、丙烯酸酯粘合剂18份、去离子水65份、荧光剂3份、明矾10份、表面活性剂12份、羟丙基甲基纤维素15份。
实施例4：
可烫金画布的制备方法，包括如下步骤：
(1)基材胚布轧光：将基材胚布轧光处理，去除基布表面线绒结节，使基材胚布表面平整，轧光压力为20吨，速度为5m/min，当轧光压力低于20吨，轧光速度低于5米/分，无法除去基布表面线绒结节，压力高于20吨速度大于5米/分，基布的纹路就会增大而造成漏浆现象；
(2)清胶层喷涂：采用自动化涂层机对处理后的胚布分三次进行清胶层喷涂，第一次喷涂后进入烘箱烘干：烘干温度为80℃，该温度的设置能使清胶层混合物溶融速度最佳，吸附速度更牢固；第二次喷涂后进入烘箱烘干：烘干温度为90℃，第二次喷涂后的烘干温度若高于90℃，水分蒸发太快，容易导致吸附性差；当烘干温度低于90℃，水分蒸发太慢，不易固化干燥；第三次喷涂后进入烘箱烘干：烘干温度为100℃，第三次烘干温度设定为100℃，能够达到快速干燥、织物，若温度高于100℃，基材胚布就易发黄；若烘干温度低于100℃，涂层表面就会发黏，三次进入烘箱的速度均为8m/min；
三层清胶层的喷涂厚度均为30μm，清胶层厚度低于30μm，基布织物纹路不能全部均为覆盖，易造成漏浆现象，导致画布背面渗透，厚度大于30μm，造成烘干温度提高，导致基布发黄和生产成本上升
(3)面涂层喷涂：在已喷涂清胶层的基材上喷涂面涂层，喷涂完成后进入烘箱：烘干温度为120℃，织物通过烘箱速度为6m/min，形成画布；
(4)将设计好的图案转移至多种颜色的电化铝箔层上，采用烫金设备加热处理，使电化铝箔层上的图案转印至画布表面形成金层图案效果，使用激光机进行高能量光束照射画布表面，激光波长为780μm，激光频率为750HZ，提高转印效果。
通过实施例4的制备方法分别制备实施例1-3中的可烫金画布，并进行各项理化性能测试，结果如表1所示。
表1：
Figure BDA0003669486530000051
由表1结果及使用效果可知：
(1)具有较好的吸附性，采用本发明制备得到的画布作为可烫金画布，涂层的吸附力强，在不同的压力、温度、湿度环境下，涂层不会脱落、剥离；
(2)画布表面烫金的图案材料附着力更强，镭射后的颜色立体感强，光泽度好，色彩鲜艳。
(3)具有较好的耐溶剂性，采用丙烯、水彩、水粉、油画等各种材料着画或描画时，显色度好，绘画效果与水彩纸相似。
(4)具有较好的亲水性和吸油性，对各种颜料的稀稠度不挑剔，适应性很强。
(5)具有较好的耐温性和柔软性，画布稳定性好，环保安全，涂上颜料后在任何环境下长期不变色、不发黄、不皱裂，图案保存时间长。
(6)具有较好的抗粘性，能用于uv喷绘，能大幅度提升图案的视觉美感和饱和度，开拓了油画布应用的新领域。
以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (7)

1.一种可烫金画布，包括基材，其特征在于：所述基材表面喷涂有三层清胶层，且所述清胶层上方喷涂有面涂层；
所述清胶层中各组分按重量份数包括：丙烯酸酯粘合剂13-18份、环氧丙烯酸酯2-3份、聚醋酸乙烯胶粘剂3-5份、乙醇3-5份、去离子水45-55份、环氧乙丙酸酯3-6份、光亮剂1-3份；
所述面涂层中各组分按重量份数包括：二氧化硅6-10份、钛白粉13-17份、丙烯酸酯粘合剂18-22份、去离子水58-65份、荧光剂3-8份、明矾6-10份、表面活性剂12-15份以及羟丙基甲基纤维素10-15份。
2.如权利要求1所述的可烫金画布，其特征在于：所述基材包括但不限于全棉布和亚麻布材质。
3.如权利要求1所述的可烫金画布，其特征在于：三层所述清胶层的厚度均为30μm。
4.如权利要求1所述的可烫金画布，其特征在于：所述面涂层的厚度为150μm。
5.如权利要求1-4任一项的可烫金画布的制备方法，其特征在于：包括如下步骤：
(1)基材胚布轧光：将基材胚布轧光处理，去除基布表面线绒结节，使基材胚布表面平整；
(2)清胶层喷涂：采用自动化涂层机对处理后的胚布分三次进行清胶层喷涂，第一次喷涂后进入烘箱烘干：烘干温度为80℃；第二次喷涂后进入烘箱烘干：烘干温度为90℃；第三次喷涂后进入烘箱烘干：烘干温度为100℃，织物三次进入烘箱的速度均为8m/min；
(3)面涂层喷涂：在已喷涂清胶层的基材上喷涂面涂层，喷涂完成后进入烘箱：烘干温度为120℃，织物通过烘箱速度为6m/min，最后进行轧光处理后形成画布；
(4)将设计好的图案转移至多种颜色的电化铝箔层上，采用烫金设备加热处理，使电化铝箔层上的图案转印至画布表面形成金层图案效果。
6.如权利要求5所述的可烫金画布的制备方法，其特征在于：所述步骤(1)中轧光压力为20吨，速度为5m/min。
7.如权利要求5所述的可烫金画布的制备方法，其特征在于：所述步骤(4)中还包括使用激光机进行高能量光束照射画布表面，激光波长为750-800μm，激光频率为700-800HZ。
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