CN113930107A - 一种用于自发热铝单板的氟碳涂层及其喷涂工艺 - Google Patents
一种用于自发热铝单板的氟碳涂层及其喷涂工艺 Download PDFInfo
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Abstract
本发明涉及氟碳涂层技术领域,具体的说是一种用于自发热铝单板的氟碳涂层及其喷涂工艺,其中氟碳涂层按重量份数计具体包括如下组分:氟碳树脂10‑28份、铝粉2‑8份、纳米碳粉5‑10份、纳米负离子粉2‑4份、醇酸树脂5‑10份、水80‑120份,将上述物料置于反应釜中于80℃条件下混合搅拌而成,覆盖密封膜进行密封保存,防止内部涂料接触空气进行氧化。本发明中的氟碳涂层是由聚偏二氟乙烯树脂在高温下进行烘烤制备而成,分子结构中含有氟原子的一类热塑性树脂,使本发明具有优异的耐高低温性能、介电性能、化学稳定性、耐候性、不燃性、不粘性和低的摩擦系数等特性。
Description
技术领域
本发明涉及氟碳涂层技术领域,具体而言,涉及一种用于自发热铝单板的氟碳涂层及其喷涂工艺。
背景技术
自发热铝单板是将铝单板与石墨烯电热膜组装在一起,用于发热或取暖,可用于室内取暖、室外化冰等;使用的是石墨烯“变频”电热膜,控温加热在80℃;整个铝单板的构成是PVC膜+石墨烯粉+电极(导线+变压器)+绝缘膜+铝单板,赋予铝单板自发热的功能,广泛应用在铝单板幕墙等方面,但是现有的铝单板多只是在表面仅有油漆喷涂,传统油漆在对铝单板进行防护时,不具备耐磨性及漆膜等柔性性能,使得铝单板不能在一些经常摩擦等复杂的环境中作业;
所以提出一种用于自发热铝单板的氟碳涂层,来增强自发热铝单板的耐候性、耐腐蚀性、抗冲击性、耐磨性及漆膜柔性性能等。
发明内容
(一)解决的技术问题
针对现有技术的不足,本发明提供了一种用于自发热铝单板的氟碳涂层及其喷涂工艺,解决了铝单板不能在一些经常摩擦等复杂的环境中作业,使得铝单板具备耐候性、耐腐蚀性、抗冲击性、耐磨性及漆膜柔性性能。
(二)技术方案
为实现上述目的,本发明采取的技术方案为:
一种用于自发热铝单板的氟碳涂层,按重量份数计具体包括如下组分:氟碳树脂10-28份、铝粉2-8份、纳米碳粉5-10份、纳米负离子粉2-4份、醇酸树脂5-10份、水80-120份,将上述物料置于反应釜中于80℃条件下混合搅拌而成,覆盖密封膜进行密封保存,防止内部涂料接触空气进行氧化。
同时,本发明还公开了一种自发热铝单板的氟碳涂层的喷涂工艺,具体包括如下操作步骤:
S1:前处理,首先对自发热铝单板去污处理,产生铬化膜,增加涂层和自发热铝单板结合力与自发热铝单板的抗氧化能力,有利于延长涂层的使用年限;
S2:氟碳涂层加热,将氟碳涂层的涂料置于加热炉中进行加热;
S3:底漆喷涂,将前处理好的自发热铝单板,放置到磨砂板上进行磨砂操作,使得铬化膜表面变得粗糙,然后将加热后的氟碳涂料放入喷涂机中,对自发热铝单板进行第一次氟碳涂层喷涂;
S4:第一次固化,对自发热铝单板的底漆表面进行均匀喷撒纳米活性碳粉,然后进入固化炉处理,对氟碳涂层进行烘烤固化;
S5:面漆喷涂,将底漆固化的自发热铝单板进行第二次氟碳涂层静电喷涂,在喷涂时,在喷雾通过路径设置两个电极板,对经过电极板的氟碳涂层涂料进行荷负电,水冷散热板作为自发热铝单板的基板,将自发热铝单板连接电源正极,正负电荷相互吸引,进行静电喷涂,通过水冷散热板可以加速氟碳涂层的冷凝,使得氟碳涂层可以快速在自发热铝单板上进行冷凝,形成均匀涂层;
S6:第二次固化,将面漆喷涂后的自发热铝单板放入固化炉,对氟碳涂层再次进行烘烤固化。
作为优选,步骤S1中自发热铝单板去污处理方法为:首先用PH值为4的铬酸盐溶液进行酸洗,将自发热铝单板的表面污渍进行清除,并形成铬化膜,然后再进行水洗,将表面残余的盐酸溶液进行清洗。
作为优选,步骤S2中加热炉的温度为60℃,使得氟碳涂层原料软化,易于进行喷涂。
作为优选,步骤S3中采用200目的磨砂板对自发热铝单板的铬化膜进行打磨处理,使得铬化膜的表面粗糙,利于附着氟碳涂层,增加结合力。
作为优选,步骤S4中纳米碳粉用量为10g/㎡,对未固化底漆表面进行纳米碳粉附着,利用纳米活性碳粉可以吸附一些有害物质,减少氟碳涂层可能对人体产生的危害。
作为优选,步骤S4中电极板的静电高压为60-90kV,静电电流为10~20μA。
与现有技术相比,本发明具有如下有益效果:
本发明中的氟碳涂层是由聚偏二氟乙烯树脂在高温下进行烘烤制备而成,分子结构中含有氟原子的一类热塑性树脂,使本发明具有优异的耐高低温性能、介电性能、化学稳定性、耐候性、不燃性、不粘性和低的摩擦系数等特性;
本发明中的氟碳涂层通过加入醇酸树脂可以增加氟碳涂层的附着力,便于进行喷涂;通过纳米碳粉可以对氟碳涂层的一些有毒有害物质进行吸附,减少其对人体的伤害,通过纳米负离子粉,可以增加有利于健康的负离子,喷涂在自发热铝单板后,在使用时可以有利于人们的身体健康。
附图说明
图1为本发明一种用于自发热铝单板的氟碳涂层及其喷涂工艺的流程图。
具体实施方式
下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1
一种用于自发热铝单板的氟碳涂层,按重量份数计具体包括如下组分:氟碳树脂10份、铝粉2份、纳米碳粉5份、纳米负离子粉2份、醇酸树脂5份、水80,将上述物料置于反应釜中于80℃条件下混合搅拌而成,覆盖密封膜进行密封保存,防止内部涂料接触空气进行氧化。
同时,本发明还公开了一种自发热铝单板的氟碳涂层的喷涂工艺,具体包括如下操作步骤:
S1:前处理,首先对自发热铝单板去污处理,产生铬化膜,增加涂层和自发热铝单板结合力与自发热铝单板的抗氧化能力,有利于延长涂层的使用年限;
S2:氟碳涂层加热,将氟碳涂层的涂料置于加热炉中进行加热;
S3:底漆喷涂,将前处理好的自发热铝单板,放置到磨砂板上进行磨砂操作,使得铬化膜表面变得粗糙,然后将加热后的氟碳涂料放入喷涂机中,对自发热铝单板进行第一次氟碳涂层喷涂;
S4:第一次固化,对自发热铝单板的底漆表面进行均匀喷撒纳米活性碳粉,然后进入固化炉处理,对氟碳涂层进行烘烤固化;
S5:面漆喷涂,将底漆固化的自发热铝单板进行第二次氟碳涂层静电喷涂,在喷涂时,在喷雾通过路径设置两个电极板,对经过电极板的氟碳涂层涂料进行荷负电,水冷散热板作为自发热铝单板的基板,将自发热铝单板连接电源正极,正负电荷相互吸引,进行静电喷涂,通过水冷散热板可以加速氟碳涂层的冷凝,使得氟碳涂层可以快速在自发热铝单板上进行冷凝,形成均匀涂层;
S6:第二次固化,将面漆喷涂后的自发热铝单板放入固化炉,对氟碳涂层再次进行烘烤固化。
步骤S1中自发热铝单板去污处理方法为:首先用PH值为4的铬酸盐溶液进行酸洗,将自发热铝单板的表面污渍进行清除,并形成铬化膜,然后再进行水洗,将表面残余的盐酸溶液进行清洗。
步骤S2中加热炉的温度为60℃,使得氟碳涂层原料软化,易于进行喷涂。
步骤S3中采用200目的磨砂板对自发热铝单板的铬化膜进行打磨处理,使得铬化膜的表面粗糙,利于附着氟碳涂层,增加结合力。
步骤S4中纳米碳粉用量为10g/㎡,对未固化底漆表面进行纳米碳粉附着,利用纳米活性碳粉可以吸附一些有害物质,减少氟碳涂层可能对人体产生的危害。
步骤S4中电极板的静电高压为60kV,静电电流为10μA。
实施例2
一种用于自发热铝单板的氟碳涂层,按重量份数计具体包括如下组分:氟碳树脂28份、铝粉8份、纳米碳粉10份、纳米负离子粉4份、醇酸树脂10份、水120份,将上述物料置于反应釜中于80℃条件下混合搅拌而成,覆盖密封膜进行密封保存,防止内部涂料接触空气进行氧化。
同时,本发明还公开了一种自发热铝单板的氟碳涂层的喷涂工艺,具体包括如下操作步骤:
S1:前处理,首先对自发热铝单板去污处理,产生铬化膜,增加涂层和自发热铝单板结合力与自发热铝单板的抗氧化能力,有利于延长涂层的使用年限;
S2:氟碳涂层加热,将氟碳涂层的涂料置于加热炉中进行加热;
S3:底漆喷涂,将前处理好的自发热铝单板,放置到磨砂板上进行磨砂操作,使得铬化膜表面变得粗糙,然后将加热后的氟碳涂料放入喷涂机中,对自发热铝单板进行第一次氟碳涂层喷涂;
S4:第一次固化,对自发热铝单板的底漆表面进行均匀喷撒纳米活性碳粉,然后进入固化炉处理,对氟碳涂层进行烘烤固化;
S5:面漆喷涂,将底漆固化的自发热铝单板进行第二次氟碳涂层静电喷涂,在喷涂时,在喷雾通过路径设置两个电极板,对经过电极板的氟碳涂层涂料进行荷负电,水冷散热板作为自发热铝单板的基板,将自发热铝单板连接电源正极,正负电荷相互吸引,进行静电喷涂,通过水冷散热板可以加速氟碳涂层的冷凝,使得氟碳涂层可以快速在自发热铝单板上进行冷凝,形成均匀涂层;
S6:第二次固化,将面漆喷涂后的自发热铝单板放入固化炉,对氟碳涂层再次进行烘烤固化。
步骤S1中自发热铝单板去污处理方法为:首先用PH值为4的铬酸盐溶液进行酸洗,将自发热铝单板的表面污渍进行清除,并形成铬化膜,然后再进行水洗,将表面残余的盐酸溶液进行清洗。
步骤S2中加热炉的温度为60℃,使得氟碳涂层原料软化,易于进行喷涂。
步骤S3中采用200目的磨砂板对自发热铝单板的铬化膜进行打磨处理,使得铬化膜的表面粗糙,利于附着氟碳涂层,增加结合力。
步骤S4中纳米碳粉用量为10g/㎡,对未固化底漆表面进行纳米碳粉附着,利用纳米活性碳粉可以吸附一些有害物质,减少氟碳涂层可能对人体产生的危害。
步骤S4中电极板的静电高压为90kV,静电电流为20μA。
下表为氟碳涂层性能参数表:
光泽度 | 25-35 |
硬度 | 9H |
耐沸水性 | 无脱落(100/100) |
耐冲击性 | 无脱落 |
耐磨损性 | 65分钟(损耗系数:v/t 40分钟) |
耐酸性 | 无气泡无变化 |
耐砂浆型 | 漆膜无损失 |
耐清洗性 | 无气泡无变化(玻璃清洗剂清洗) |
与现有的涂料对比本发明用于自发热铝单板,可以让自发热铝单板具备耐沸水性、耐冲击性、耐磨损性、耐酸性、耐砂浆型等特性,功能更加丰富,延长自发热铝单板的使用寿命。
该一种用于自发热铝单板的氟碳涂层中的氟碳涂层是由聚偏二氟乙烯树脂在高温下进行烘烤制备而成,分子结构中含有氟原子的一类热塑性树脂,使本发明具有优异的耐高低温性能、介电性能、化学稳定性、耐候性、不燃性、不粘性和低的摩擦系数等特性;通过加入醇酸树脂可以增加氟碳涂层的附着力,便于进行喷涂;通过纳米碳粉可以对氟碳涂层的一些有毒有害物质进行吸附,减少其对人体的伤害,通过纳米负离子粉,可以增加有利于健康的负离子,喷涂在自发热铝单板后,在使用时可以有利于人们的身体健康。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (7)
1.一种用于自发热铝单板的氟碳涂层,其特征在于,按重量份数计具体包括如下组分:氟碳树脂10-28份、铝粉2-8份、纳米碳粉5-10份、纳米负离子粉2-4份、醇酸树脂5-10份、水80-120份,将上述物料置于反应釜中于80℃条件下混合搅拌而成,覆盖密封膜进行密封保存,防止内部涂料接触空气进行氧化。
2.一种自发热铝单板的氟碳涂层的喷涂工艺,其特征在于,具体包括如下操作步骤:
S1:前处理,首先对自发热铝单板去污处理,产生铬化膜,增加涂层和自发热铝单板结合力与自发热铝单板的抗氧化能力,有利于延长涂层的使用年限;
S2:氟碳涂层加热,将氟碳涂层的涂料置于加热炉中进行加热;
S3:底漆喷涂,将前处理好的自发热铝单板,放置到磨砂板上进行磨砂操作,使得铬化膜表面变得粗糙,然后将加热后的氟碳涂料放入喷涂机中,对自发热铝单板进行第一次氟碳涂层喷涂;
S4:第一次固化,对自发热铝单板的底漆表面进行均匀喷撒纳米活性碳粉,然后进入固化炉处理,对氟碳涂层进行烘烤固化;
S5:面漆喷涂,将底漆固化的自发热铝单板进行第二次氟碳涂层静电喷涂,在喷涂时,在喷雾通过路径设置两个电极板,对经过电极板的氟碳涂层涂料进行荷负电,水冷散热板作为自发热铝单板的基板,将自发热铝单板连接电源正极,正负电荷相互吸引,进行静电喷涂,通过水冷散热板可以加速氟碳涂层的冷凝,使得氟碳涂层可以快速在自发热铝单板上进行冷凝,形成均匀涂层;
S6:第二次固化,将面漆喷涂后的自发热铝单板放入固化炉,对氟碳涂层再次进行烘烤固化。
3.根据权利要求2所述的一种自发热铝单板的氟碳涂层的喷涂工艺,其特征在于:步骤S1中自发热铝单板去污处理方法为:首先用PH值为4的铬酸盐溶液进行酸洗,将自发热铝单板的表面污渍进行清除,并形成铬化膜,然后再进行水洗,将表面残余的盐酸溶液进行清洗。
4.根据权利要求2所述的一种自发热铝单板的氟碳涂层的喷涂工艺,其特征在于:步骤S2中加热炉的温度为60℃,使得氟碳涂层原料软化,易于进行喷涂。
5.根据权利要求2所述的一种自发热铝单板的氟碳涂层的喷涂工艺,其特征在于:步骤S3中采用200目的磨砂板对自发热铝单板的铬化膜进行打磨处理,使得铬化膜的表面粗糙,利于附着氟碳涂层,增加结合力。
6.根据权利要求2述的一种自发热铝单板的氟碳涂层的喷涂工艺,其特征在于:步骤S4中纳米碳粉用量为10g/㎡,对未固化底漆表面进行纳米碳粉附着,利用纳米活性碳粉可以吸附一些有害物质,减少氟碳涂层可能对人体产生的危害。
7.根据权利要求2述的一种自发热铝单板的氟碳涂层的喷涂工艺,其特征在于:步骤S4中电极板的静电高压为60-90kV,静电电流为10~20μA。
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