CN110922886A - 一种耐钢丝绒、抗指纹的uv涂料及其制备方法 - Google Patents
一种耐钢丝绒、抗指纹的uv涂料及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种耐钢丝绒、抗指纹的UV涂料及其制备方法，涉及UV涂料制备技术领域，本发明的UV涂料包括如下重量份原料：聚氨酯丙烯酸酯50‑80份，丙烯酸酯改性的有机硅树脂10‑20份，第一固化剂1‑3份，第二固化剂1‑18份，抗氧化剂0.1‑0.5份，光引发剂1‑5份和光稳定剂0.5‑2份。本发明的聚氨酯丙烯酸酯UV涂料兼具有机硅树脂和丙烯酸酯的优点，拥有优异的耐候性，耐污性，低表面能等性能；将该树脂与第一和第二光固化体系配伍，得到一种耐钢丝绒、抗指纹的UV涂料；为了保证本发明的涂料的抗指纹性能具有足够的爽滑性，使用官能度大于8且小于16的脂肪族聚氨酯丙烯酸酯。
Description
技术领域
本发明涉及UV涂料制备技术领域，特别涉及一种耐钢丝绒、抗指纹的UV涂料及其制备方法。
背景技术
随着社会经济的发展和环保意识的提高，人们对涂料的发展提出了越来越高的要求。有机硅树脂凭借其优良的耐候性、耐热性、保光性、抗酸雨性、抗沾污性、防潮、憎水、电气绝缘和耐高低温等优点，得到了广泛的应用。
UV光固化树脂是一种分子量相对较低的感光性树脂，具有可以进行光固化反应的基团(如各类不饱和双键)，可以在紫外光照射下完全固化。具有固化速度快、固化产物性能好和节省能源等优点，适合于高速自动化生产，正在日益普及并且高速发展。在UV光固化树脂中，聚氨酯丙烯酸酯树脂具有硬度高、光泽度好、韧性强的优点，是应用最为广泛的UV光固化树脂。
目前，在一些特殊场景，还需要材质具有耐钢丝绒和抗指纹的功能，比如说电子设备表面的保护膜，是喷在电子设备表面的一层保护膜，保护电子设备表面免受损害。在现有技术中，聚氨酯丙烯酸酯树脂虽然具有良好的附着力和表面硬度，但柔韧性和耐冲击性能一般较低，因此需要开发一种耐钢丝绒、抗指纹的UV涂料。
发明内容
本发明要解决的技术问题是提供一种耐钢丝绒、抗指纹的UV涂料及其制备方法。
为了解决上述技术问题，本发明的技术方案为：
一种耐钢丝绒、抗指纹的UV涂料，包括如下重量份原料：
聚氨酯丙烯酸酯50-80份，丙烯酸酯改性的有机硅树脂10-20份，第一固化剂1-3份，第二固化剂1-18份，抗氧化剂0.1-0.5份，光引发剂1-5份和光稳定剂0.5-2份。
优选的，所述聚氨酯丙烯酸酯为官能度大于8且小于16的脂肪族聚氨酯丙烯酸酯。
优选的，所述第一固化剂和第二固化剂的混合比例为1:1-6:1。
优选的，所述第一固化剂为三甲基己二异氰酸酯、四甲基间苯二亚甲基二异氰酸酯或苯二亚甲基二异氰酸酯中的至少一种。
优选的，所述第二固化剂为二环己基甲烷-4,4'-二异氰酸酯、甲基环己基二异氰酸酯或环己烷二亚甲基二异氰酸酯中的至少一种。
优选的，抗氧化剂为2,6-二叔丁基-4-甲基苯酚或吩噻嗪。
优选的，所述光引发剂为芳酰基膦氧化物、烷基苯酮类、苯偶酰类、苯甲酰甲酸酯类或二苯甲酮类中的至少一种。
优选的，所述光稳定剂为含醚基受阻胺类光稳定剂、含氨基受阻胺类光稳定剂或苯酮类紫外光吸收剂中的至少一种。
一种所述的耐钢丝绒、抗指纹的UV涂料的制备方法，包括如下步骤：
(1)称取所述重量份原料；
(2)向反应容器内加入聚氨酯丙烯酸酯和丙烯酸酯改性的有机硅树脂在40-50℃下搅拌20-40min，得到第一混合物；
(3)将第一固化剂和第二固化剂在30-40℃下搅拌均匀得到混合固化剂，在搅拌状态下保持待用；
(4)向所述第一混合物内加入抗氧化剂、光引发剂和光稳定剂，在40-50℃搅拌反应0.5-1h得到第二混合物；
(5)向所述第二混合物内加入所述混合固化剂在40-50℃搅拌反应1-2h，即得到所需的耐钢丝绒、抗指纹的UV涂料。
采用上述技术方案，本发明的聚氨酯丙烯酸酯UV涂料兼具有机硅树脂和丙烯酸酯的优点，拥有优异的耐候性，耐污性，低表面能等性能；将该树脂与第一和第二光固化体系配伍，得到一种耐钢丝绒、抗指纹的UV涂料；为了保证本发明的涂料的抗指纹性能具有足够的爽滑性，使用官能度大于8且小于16的脂肪族聚氨酯丙烯酸酯；本发明通过固化剂1和固化剂2混合作为固化剂，使得本发明的UV涂料具有足够的耐钢丝绒性，可以广泛应用到电子产品表面的保护场合。
附图说明
图1为本发明实施例1-3的UV涂料的的性能测试结果。
具体实施方式
下面结合附图对本发明的具体实施方式作进一步说明。在此需要说明的是，对于这些实施方式的说明用于帮助理解本发明，但并不构成对本发明的限定。此外，下面所描述的本发明各个实施方式中所涉及的技术特征只要彼此之间未构成冲突就可以相互组合。
实施例1
一种耐钢丝绒、抗指纹的UV涂料，包括如下重量份原料：
官能度大于8且小于16的脂肪族聚氨酯丙烯酸酯75份，丙烯酸酯改性的有机硅树脂15份，三甲基己二异氰酸酯2份，二环己基甲烷-4,4'-二异氰酸酯6份，2,6-二叔丁基-4-甲基苯酚0.3份，芳酰基膦氧化物3份和含醚基受阻胺类光稳定剂1份。
一种耐钢丝绒、抗指纹的UV涂料的制备方法，包括如下步骤：
(1)按比例称取官能度大于8且小于16的脂肪族聚氨酯丙烯酸酯75份，丙烯酸酯改性的有机硅树脂15份，三甲基己二异氰酸酯2份，二环己基甲烷-4,4'-二异氰酸酯6份，2,6-二叔丁基-4-甲基苯酚0.3份，芳酰基膦氧化物3份和含醚基受阻胺类光稳定剂1份；
(2)向反应容器内加入官能度大于8且小于16的脂肪族聚氨酯丙烯酸酯和丙烯酸酯改性的有机硅树脂在45℃下搅拌30min，得到第一混合物；
(3)将三甲基己二异氰酸酯和二环己基甲烷-4,4'-二异氰酸酯在35℃下搅拌均匀得到混合固化剂，在搅拌状态下保持待用；
(4)向第一混合物内加入2,6-二叔丁基-4-甲基苯酚、芳酰基膦氧化物和含醚基受阻胺类光稳定剂，在45℃搅拌反应0.5h得到第二混合物；
(5)向第二混合物内加入混合固化剂在45℃搅拌反应1.5h，即得到所需的耐钢丝绒、抗指纹的UV涂料。
本发明中所使用原料均为市售产品。
实施例2
一种耐钢丝绒、抗指纹的UV涂料，包括如下重量份原料：
官能度大于8且小于16的脂肪族聚氨酯丙烯酸酯50份，丙烯酸酯改性的有机硅树脂10份，四甲基间苯二亚甲基二异氰酸酯和苯二亚甲基二异氰酸酯的混合物1份，甲基环己基二异氰酸酯和环己烷二亚甲基二异氰酸酯混合物1份，2,6-二叔丁基-4-甲基苯酚和吩噻嗪混合物0.1份，苯甲酰甲酸酯类和二苯甲酮类混合物1份和含氨基受阻胺类光稳定剂和苯酮类紫外光吸收剂混合物0.5份。
一种耐钢丝绒、抗指纹的UV涂料的制备方法，包括如下步骤：
(1)按比例称取官能度大于8且小于16的脂肪族聚氨酯丙烯酸酯50份，丙烯酸酯改性的有机硅树脂10份，四甲基间苯二亚甲基二异氰酸酯和苯二亚甲基二异氰酸酯的混合物1份，甲基环己基二异氰酸酯和环己烷二亚甲基二异氰酸酯混合物1份，2,6-二叔丁基-4-甲基苯酚和吩噻嗪混合物0.1份，苯甲酰甲酸酯类和二苯甲酮类混合物1份和含氨基受阻胺类光稳定剂和苯酮类紫外光吸收剂混合物0.5份；
(2)向反应容器内加入官能度大于8且小于16的脂肪族聚氨酯丙烯酸酯和丙烯酸酯改性的有机硅树脂，在40℃下搅拌20min，得到第一混合物；
(3)将四甲基间苯二亚甲基二异氰酸酯和苯二亚甲基二异氰酸酯混合物与甲基环己基二异氰酸酯和环己烷二亚甲基二异氰酸酯混合物在30℃下搅拌均匀得到混合固化剂，在搅拌状态下保持待用；
(4)向第一混合物内加入2,6-二叔丁基-4-甲基苯酚和吩噻嗪混合物、苯甲酰甲酸酯类和二苯甲酮类混合物与含氨基受阻胺类光稳定剂和苯酮类紫外光吸收剂混合物，在40℃搅拌反应0.5h得到第二混合物；
(5)向第二混合物内加入混合固化剂在40℃搅拌反应1h，即得到所需的耐钢丝绒、抗指纹的UV涂料。
实施例3
一种耐钢丝绒、抗指纹的UV涂料，包括如下重量份原料：
官能度大于8且小于16的脂肪族聚氨酯丙烯酸酯80份，丙烯酸酯改性的有机硅树脂20份，苯二亚甲基二异氰酸酯3份，环己烷二亚甲基二异氰酸酯18份，吩噻嗪0.5份，二苯甲酮类5份和苯酮类紫外光吸收剂2份。
一种所述的具有耐污性和热修复效果的聚氨酯丙烯酸酯材料，包括如下步骤：
(1)按比例称取官能度大于8且小于16的脂肪族聚氨酯丙烯酸酯80份，丙烯酸酯改性的有机硅树脂20份，苯二亚甲基二异氰酸酯3份，环己烷二亚甲基二异氰酸酯18份，吩噻嗪0.5份，二苯甲酮类5份和苯酮类紫外光吸收剂2份；
(2)向反应容器内加入官能度大于8且小于16的脂肪族聚氨酯丙烯酸酯和丙烯酸酯改性的有机硅树脂在50℃下搅拌40min，得到第一混合物；
(3)将苯二亚甲基二异氰酸酯和环己烷二亚甲基二异氰酸酯在40℃下搅拌均匀得到混合固化剂，在搅拌状态下保持待用；
(4)向第一混合物内加入吩噻嗪、二苯甲酮类和苯酮类紫外光吸收剂，在50℃搅拌反应1h得到第二混合物；
(5)向第二混合物内加入混合固化剂在50℃搅拌反应2h，即得到所需的耐钢丝绒、抗指纹的UV涂料。
对实施例1-3制备得到的耐钢丝绒、抗指纹的UV涂料的性能测试，测试结果如图1所示，可以看到，本发明的聚氨酯丙烯酸酯UV涂料在保证其他基本性能都达标的情况下，具有良好的耐钢丝绒性，都能达到10000次以上；同时具有良好的抗指纹性和耐化妆品性。
以上结合附图对本发明的实施方式作了详细说明，但本发明不限于所描述的实施方式。对于本领域的技术人员而言，在不脱离本发明原理和精神的情况下，对这些实施方式进行多种变化、修改、替换和变型，仍落入本发明的保护范围内。
Claims (9)
1.一种耐钢丝绒、抗指纹的UV涂料，其特征在于：包括如下重量份原料：
聚氨酯丙烯酸酯50-80份，丙烯酸酯改性的有机硅树脂10-20份，第一固化剂1-3份，第二固化剂1-18份，抗氧化剂0.1-0.5份，光引发剂1-5份和光稳定剂0.5-2份。
2.根据权利要求1所述的耐钢丝绒、抗指纹的UV涂料，其特征在于：所述聚氨酯丙烯酸酯为官能度大于8且小于16的脂肪族聚氨酯丙烯酸酯。
3.根据权利要求1所述的耐钢丝绒、抗指纹的UV涂料，其特征在于：所述第一固化剂和第二固化剂的混合比例为1:1-6:1。
4.根据权利要求1或3所述的耐钢丝绒、抗指纹的UV涂料，其特征在于：所述第一固化剂为三甲基己二异氰酸酯、四甲基间苯二亚甲基二异氰酸酯或苯二亚甲基二异氰酸酯中的至少一种。
5.根据权利要求1或3所述的耐钢丝绒、抗指纹的UV涂料，其特征在于：所述第二固化剂为二环己基甲烷-4,4'-二异氰酸酯、甲基环己基二异氰酸酯或环己烷二亚甲基二异氰酸酯中的至少一种。
6.根据权利要求1所述的耐钢丝绒、抗指纹的UV涂料，其特征在于：抗氧化剂为2,6-二叔丁基-4-甲基苯酚或吩噻嗪。
7.根据权利要求1所述的耐钢丝绒、抗指纹的UV涂料，其特征在于：所述光引发剂为芳酰基膦氧化物、烷基苯酮类、苯偶酰类、苯甲酰甲酸酯类或二苯甲酮类中的至少一种。
8.根据权利要求1所述的耐钢丝绒、抗指纹的UV涂料，其特征在于：所述光稳定剂为含醚基受阻胺类光稳定剂、含氨基受阻胺类光稳定剂或苯酮类紫外光吸收剂中的至少一种。
9.一种如权利要求1-8任一所述的耐钢丝绒、抗指纹的UV涂料的制备方法，其特征在于：包括如下步骤：
(1)称取所述重量份原料；
(2)向反应容器内加入聚氨酯丙烯酸酯和丙烯酸酯改性的有机硅树脂在40-50℃下搅拌20-40min，得到第一混合物；
(3)将第一固化剂和第二固化剂在30-40℃下搅拌均匀得到混合固化剂，在搅拌状态下保持待用；
(4)向所述第一混合物内加入抗氧化剂、光引发剂和光稳定剂，在40-50℃搅拌反应0.5-1h得到第二混合物；
(5)向所述第二混合物内加入所述混合固化剂在40-50℃搅拌反应1-2h，即得到所需的耐钢丝绒、抗指纹的UV涂料。
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| CN105802483A (zh) * | 2016-03-29 | 2016-07-27 | 张家港康得新光电材料有限公司 | 一种双固化涂料及制备方法和应用 |
| CN108300292A (zh) * | 2018-03-14 | 2018-07-20 | 江苏宏泰高分子材料有限公司 | 一种含丙烯酸酯改性的有机硅树脂高耐候性光固化涂料 |
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| CN102329557A (zh) * | 2011-08-10 | 2012-01-25 | 湖南松井新材料有限公司 | 紫外光固化漆 |
| CN105802483A (zh) * | 2016-03-29 | 2016-07-27 | 张家港康得新光电材料有限公司 | 一种双固化涂料及制备方法和应用 |
| CN108300292A (zh) * | 2018-03-14 | 2018-07-20 | 江苏宏泰高分子材料有限公司 | 一种含丙烯酸酯改性的有机硅树脂高耐候性光固化涂料 |
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