CN113999561A - 一种双层蓄能发光涂料及其制备方法 - Google Patents

一种双层蓄能发光涂料及其制备方法 Download PDF

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CN113999561A
CN113999561A CN202111389723.1A CN202111389723A CN113999561A CN 113999561 A CN113999561 A CN 113999561A CN 202111389723 A CN202111389723 A CN 202111389723A CN 113999561 A CN113999561 A CN 113999561A
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周永言
唐念
孙东伟
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Guangdong Power Grid Co Ltd
Electric Power Research Institute of Guangdong Power Grid Co Ltd
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Abstract

本发明公开了一种双层蓄能发光涂料及其制备方法。涂料包括底层反衬涂料和面层蓄能发光涂料,底层反衬涂料包括如下质量百分比计的A组分:成膜物质40%~65%、颜填料6%~9%、固化剂10%~15%、稀释剂8.2%~10.4%、分散剂0.3%~0.6%、消泡剂0.1%~0.5%;面层蓄能发光涂料包括如下质量份计的B组分:成膜物质40%~65%、发光颜料20%~35%、固化剂5%~8%、稀释剂4%~6.4%、分散剂0.3%~0.6%、消泡剂0.1%~0.5%。本发明的涂料具备较高的初始发光亮度和较长的余辉时间,同时具有耐水、耐腐蚀、耐高温、绝缘性能佳的特点,稳定性好,实用性强。

Description

一种双层蓄能发光涂料及其制备方法
技术领域
本发明设计涂料技术领域,尤其设计一种双层蓄能发光涂料及其制备方法。
背景技术
发黄绿光的SrAl2O4:Eu2+,Dy3+这类发光颜料具有以下优点:发光效率高、余晖时间长、化学稳定性优异、无放射性,能够耐酸、耐碱、耐候、耐辐射,抗氧化性和抗紫外线性强,可以长期在空气和一些特殊的环境下使用。碱土金属铝酸盐系列发光涂料凭借着发光强度大和余辉时间长、稳固耐用、绿色环保等优点被广泛应用,从而成为制备发光涂料的主要颜料。
发光涂料是由发光颜料、有机树脂、有机溶剂、助剂组成,当其成膜后,吸光20~30min,可在黑暗处持续发光8~10h,且吸光和发光过程可无限循环,具有优良的耐候性、附着力强、发光效果佳。虽然蓄能型发光涂料具有较多优异的性能,但就目前来说想将其应用在较大的场所比较困难,主要由于其蓄能型发光涂料成本较高和初始亮度不高、耐热性差、耐候性差等。
发明内容
本发明的首要目的在于克服现有技术的缺点与不足,提供一种双层蓄能发光涂料。
本发明的另一目的在于提供上述双层蓄能发光涂料的制备方法。
本发明的目的通过下述技术方案实现:一种双层蓄能发光涂料,包括底层反衬涂料和面层蓄能发光涂料,所述底层反衬涂料包括如下质量百分比计的A组分:成膜物质40%~65%、颜填料6%~9%、固化剂10%~15%、稀释剂8.2%~10.4%、分散剂0.3%~0.6%、消泡剂0.1%~0.5%;所述面层蓄能发光涂料包括如下质量份计的B组分:成膜物质40%~65%、发光颜料20%~35%、固化剂5%~8%、稀释剂4%~6.4%、分散剂0.3%~0.6%、消泡剂0.1%~0.5%。
优选地,所述成膜物质为氟碳树脂。
优选地,所述发光颜料为SrAl2O4∶Eu2+,Dy3+
优选的,所述颜填料为钛白粉。
优选的,所述固化剂为乙基异氰酸酯。
优选的,所述稀释剂为乙酸丁酯。
优选的,所述分散剂为聚醚改性硅氧烷。
优选的,所述消泡剂为非硅消泡剂。
上述双层蓄能发光涂料的制备方法,包括以下步骤:将底层反衬涂料的A组分和面层蓄能发光涂料的B组分分别混合均匀,得到底层反衬涂料和面层蓄能发光涂料。底层反衬涂料和面层蓄能发光涂料均为乳液状。
所述混合均匀采用的转速为300~500转/分钟。
所述双层蓄能发光涂料在涂布时先涂布底层反衬涂料,待其实干后再涂装面层蓄能发光涂料,即得到涂层。
与现有技术相比,本发明具有以下有益效果:
1、本发明双层蓄能发光涂料采用的成膜物质为氟碳树脂,将其与其它成分搭配,采用底层反衬涂料提高面层蓄能发光涂料的初始发光亮度,同时钛白粉是良好的绝缘体,具有高电阻系数,高介电强度,高介电常数和低功率系数,可提高发光材料的绝缘性。实验结果表明,本发明的双层蓄能发光涂料具备较高的初始发光亮度和较长的余辉时间,同时具有耐水、耐腐蚀、耐高温、绝缘性能佳的特点,稳定性好,实用性强。
2、本发明的双层蓄能发光涂料制备方法操作简便,原料廉价易得,成本较低,适合工厂大批量生产,具有广阔的市场前景。
附图说明
图1实施例1、对比例4、5的发光性能测试结果图。
图2是实施例1的绝缘性能测试结果图。
图3是对比例5的绝缘性能测试结果图。
具体实施方式
下面将结合本发明实施例中的附图,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作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
本实施例的双层蓄能发光涂料采用的发光颜料为SrAl2O4:Eu2+,Dy3+,成膜物质为氟碳树脂(广德汇龙漆业有限公司),填料为钛白粉(上海笛柏生物科技有限公司),稀释剂为乙酸丁酯(广德汇龙漆业有限公司),固化剂为乙基异氰酸酯(广德汇龙漆业有限公司),分散剂为聚醚改性硅氧烷(F4250),消泡剂为非硅消泡剂(F291)。
以质量百分比计,底层涂料为:氟碳树脂(广德汇龙漆业有限公司)65%,钛白粉(上海笛柏生物科技有限公司)9%,乙基异氰酸酯(广德汇龙漆业有限公司)15%,乙酸丁酯(广德汇龙漆业有限公司)10.4%,聚醚改性硅氧烷(F4250)0.6%,消泡剂(F291)0.3%;面层涂料为:氟碳树脂(广德汇龙漆业有限公司)65%,SrAl2O4∶Eu2+,Dy3+发光颜料(浙江明辉发光科技有限公司)35%,乙基异氰酸酯(广德汇龙漆业有限公司)8%,乙酸丁酯(广德汇龙漆业有限公司)6.4%,聚醚改性硅氧烷(F4250)0.6%,消泡剂(F291)0.3%。
本实施例的双层蓄能发光涂料的制备包括以下步骤:
1)在烧杯1中依次加入氟碳树脂、钛白粉、乙酸丁酯、聚醚改性硅氧烷,在400转/分钟转速下搅拌10min,分散均匀,再加入乙基异氰酸酯、消泡剂,继续搅拌10min,得到底层反衬涂料。
2)在烧杯2中依次加入氟碳树脂、SrAl2O4:Eu2+,Dy3+发光颜料、乙酸丁酯、聚醚改性硅氧烷,在500转/分钟转速下搅拌10min,分散均匀,再加入乙基异氰酸酯、消泡剂,继续搅拌10min,得到面层蓄能发光涂料。
对比例1
本例同实施例1的区别仅在于将涂料的成膜物质换成环氧树脂(MW=30000)。
对比例2
本例同实施例1的区别仅在于将涂料的成膜物质换成聚氨酯树脂(MW=40000)。
对比例3
本例同实施例1,区别仅在于将料的成膜物质换成丙烯酸树脂(MW=30000)。
对比例4
蓄能发光涂料的组分以质量百分比计为:氟碳树脂50%,SrAl2O4:Eu2+,Dy3+发光颜料35%,钛白粉6%,乙基异氰酸酯12%,乙酸丁酯9.9%,聚醚改性硅氧烷0.6%,消泡剂0.3%。涂料的制备方法与实施例1步骤2)相似,钛白粉与发光颜料一同加入。
对比例5
蓄能发光涂料的组分以质量百分比计为:氟碳树脂65%,SrAl2O4:Eu2+,Dy3+发光颜料35%,乙基异氰酸酯8%,乙酸丁酯6.4%,聚醚改性硅氧烷0.6%,消泡剂0.3%。涂料的制备方法与实施例1步骤2)相同。
1、对实施例1、对比例1-5制得的涂料各项物理化学性能进行测试,测试方法参考国家标准GB1733-93、国家标准GB1763-79,测试结果见表1。
表1
Figure BDA0003364529540000051
结果表明,实施例1制得的涂料无结块,搅拌后呈均匀状态,耐水性、耐腐蚀性好,耐热性好。将实施例1与对比例1相比,本发明成膜物质采用氟碳树脂,得到的涂料与采用环氧树脂得到的涂料相比耐水性好。实施例1与对比例2相比,均无结块,搅拌后呈均匀状态,耐水性、耐腐蚀性好,耐热性好,但对比例2的缺点是,在实际应用时,聚氨酯树脂的施工工序复杂,对施工环境要求很高,漆膜容易产生弊病。实施例1与3相比,本发明采用氟碳树脂作为成膜物质,得到的涂料与采用丙烯酸树脂得到的涂料相比耐热性更好。
2、将实施例1、对比例4、5制得的涂料涂布形成涂层,待涂层实干后进行发光性能测试,在太阳光下激发10h,再置于黑暗环境下用光电特性测量仪(Photoresearch PR745)进行测试。将实施例1与对比例5制得的涂料进行绝缘性能测试,将样品制成8mm直径和厚度1.5mm的圆薄片,用电化学阻抗仪对样品的电阻率进行了测试。
实施例1、对比例4、5的发光性能测试结果如图1,表明将钛白粉与发光颜料同时掺杂在涂料中,得到的涂层初始发光亮度与余晖时长都下降了。实施例1与对比例5初始亮度和余晖衰减均优于对比例4,说明钛白粉对发光亮度及余晖有很大的影响,但将钛白粉与发光颜料同时掺杂在涂料中,发光亮度与余晖时长下降幅度较大。
实施例1与对比例5的绝缘性能结果分别如图2与图3所示,实施例1的电阻率谱图2在二维平面呈现出一种杂乱无章的散点,无法形成椭圆分布以及线性分布,而正常的电阻率曲线呈现出如图3所示,呈连续性散点分布,说明实施例1的绝缘性良好。本申请选择制备双层蓄能发光涂料,将钛白粉单独掺杂在底层,而发光颜料单独掺杂在面层,可同时利用钛白粉较大地提高涂料初始发光的亮度,使制备的双层蓄能发光涂料具有良好的绝缘性,且对发光性能没有较大的影响。
以上所述是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也视为本发明的保护范围。

Claims (10)

1.一种双层蓄能发光涂料,其特征在于,包括底漆和面漆,包括底层反衬涂料和面层蓄能发光涂料,所述底层反衬涂料包括如下质量百分比计的A组分:成膜物质40%~65%、颜填料6%~9%、固化剂10%~15%、稀释剂8.2%~10.4%、分散剂0.3%~0.6%、消泡剂0.1%~0.5%;所述面层蓄能发光涂料包括如下质量份计的B组分:成膜物质40%~65%、发光颜料20%~35%、固化剂5%~8%、稀释剂4%~6.4%、分散剂0.3%~0.6%、消泡剂0.1%~0.5%。
2.根据权利要求1所述双层蓄能发光涂料,其特征在于,所述成膜物质为氟碳树脂。
3.根据权利要求1所述双层蓄能发光涂料,其特征在于,所述发光颜料为SrAl2O4∶Eu2+,Dy3+
4.根据权利要求1所述双层蓄能发光涂料,其特征在于,所述颜填料为钛白粉。
5.根据权利要求1所述双层蓄能发光涂料,其特征在于,所述固化剂为乙基异氰酸酯。
6.根据权利要求1所述双层蓄能发光涂料,其特征在于,所述稀释剂为乙酸丁酯。
7.根据权利要求1所述双层蓄能发光涂料,其特征在于,所述分散剂为聚醚改性硅氧烷。
8.根据权利要求1所述双层蓄能发光涂料,其特征在于,所述消泡剂为非硅消泡剂。
9.权利要求1-8任一项所述双层蓄能发光涂料的制备方法,其特征在于,包括以下步骤:将底层反衬涂料的A组分和面层蓄能发光涂料的B组分分别混合均匀,得到底层反衬涂料和面层蓄能发光涂料。
10.根据权利要求9所述双层蓄能发光涂料的制备方法,其特征在于,所述混合均匀采用的转速为300~500转/分钟。
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