CN107523187A - 增强型隔热反射涂层 - Google Patents
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Abstract
本发明公开了一种增强型隔热反射涂层,所述涂层由底层、中层、面层组成,按质量份数计,所述底层的漆配方为:环氧树脂:5—10份;防锈颜料:15—25份;惰性填料:20—40份;改性酮亚胺:5—10份;溶剂A:15—35份;所述中层的漆配方为:环氧树脂:10—15份;鳞片状填料:10—20份;空心玻璃微珠:15—35份;羟基固化剂:10—15份;溶剂B:15—35份;所述面层的漆配方为:成膜物树脂:40—50份;纳米金属氧化物:5—15份;金红石型钛白粉:10—15份;耐候性固化剂:15—20份;溶剂C:10—20份。本涂层体现出隔热反射性能的增强效果,同时还具有良好的抗腐蚀性。
Description
技术领域
本发明属于涂料技术工艺,具体涉及一种增强型隔热反射涂层。
背景技术
隔热涂层作为一种新型节能材料,能有效地反射和阻隔太阳光的能量,明显降低建筑物外墙、屋顶和室内温度,减少空调等制冷设备的能耗。隔热涂层的使用既能改善工作环境又能明显节约能源,而且隔热涂料施工方便,同时又具有装饰效果,故在建筑领域被广泛运用。
随着社会对安全、环保问题的监管督查不断加强,加上企业自觉地提升工厂在经营过程中的节能减排效果,尤其是危险化学品生产、储运单位,想方设法提升储罐外表面的隔热效果,隔热反射涂料被大面积推广应用。目前市面上太多相关产品,在隔热反射方面虽有一些效果,但总体说来隔热反射作用不够理想且参差不齐。反射隔热涂料问题主要在三个方面:首先是反射隔热效果不明显,最好的都只有5-8℃的效果;涂膜耐玷污能力不足是制约反射隔热涂料推广的首要问题,常见的反射隔热涂料在涂装两到三年后,涂料表面就会受到很严重的污染;涂膜耐老化性差,涂料褪色变色、失光、粉化、龟裂现象严重。
发明内容
为了克服现有的涂料的不足,本发明提供了一种增强型隔热反射涂层。所述涂层由底漆、中间层、面漆的三个涂层组成,不但从配方设计上引进了纳米反射材料,并从施工方面保证了涂层的比表面,故而体现出隔热反射性能的增强效果,同时还具有良好的抗腐蚀性。
为实现上述发明目的,具体提供了如下的技术方案:
增强型隔热反射涂层,所述涂层由底层、中层、面层组成,按质量份数计,所述底层的漆配方为:环氧树脂:5—10份;防锈颜料:15—25份;惰性填料:20—40份;改性酮亚胺:5—10份;溶剂A:15—35份;所述中层的漆配方为:环氧树脂:10—15份;鳞片状填料:10—20份;空心玻璃微珠:15—35份;羟基固化剂:10—15份;溶剂B:15—35份;所述面层的漆配方为:成膜物树脂:40—50份;纳米金属氧化物:5—15份;金红石型钛白粉:10—15份;耐候性固化剂:15—20份;溶剂C:10—20份。
优选的,所述底层的漆配方中,防锈颜料包括氧化铁红、复合磷酸锌、锌粉、磷铁粉,惰性填料包括沉淀硫酸钡、重晶石粉,改性酮亚胺为环氧树脂、二乙烯三胺、甲基异丁基酮经缩合反应的产物。
优选的,所述中层的漆配方中,鳞片状填料包括云母氧化铁粉、石墨粉、云母粉,羟基固化剂为聚氨酯树脂,NCO含量为7~9%。
优选的,所述中层的漆配方中,空心玻璃微珠由粒径为500-300目、200-100目、40-20目的空心玻璃微珠按5:3:2的质量比例混合而成。
优选的,所述面层的漆配方中,成膜物树脂为氟碳树脂、聚硅氧烷树脂中的一种或几种。
优选的,所述纳米金属氧化物为纳米二氧化钛、纳米氧化锡、纳米氧化锆、纳米三氧化二铝的任意一种或几种,所述耐候性固化剂为脂肪族聚氨酯固化剂,NCO%=16~22%。
优选的,所述溶剂A、溶剂B、溶剂C为环己酮、甲基异丁基酮、醇酸丁酯、二甲苯重的一种或几种。
优选的,所述底层、中层、面层的厚度分别为60-80微米、180-220微米、50-70微米。
本发明的有益效果在于:本发明公开的增强型隔热反射涂层采用渗透性的带锈防锈底漆可以提高涂层的防腐蚀性能;增强型隔热反射涂层中涂漆采用多种粗细差距较大的中空球型玻璃微珠作为隔热骨料,通过特殊的拉毛工具使涂层表现拉毛效果,达到增大涂层表面积,从而增强涂层隔热效果并有助于增强面涂层反射效果;增强型隔热反射涂层采用纳米级金属氧化物作为反射功能型材料,增强其对可见光或近红外线的反射功能,采用氟碳树脂、聚硅氧烷树脂作为成膜物增强涂层的抗老化性能。
具体体实施方式
下面将对本发明的优选实施例进行详细的描述。
实施例1
增强型隔热反射涂层,所述涂层由底层、中层、面层组成,按质量份数计,
渗透性带锈防锈底漆配方为:
环氧树脂:5份;
防锈颜料:18份;
惰性填料:30份;
改性酮亚胺:7份;
溶剂A:20份;
本实施例中防锈颜料为氧化铁红、复合磷酸锌、锌粉、磷铁粉,其混合质量比例为1:1:1:1;惰性填料为沉淀硫酸钡、重晶石粉,其混合质量比例为1:1;改性酮亚胺由二乙烯三胺与甲基异丁基酮一定比例在110℃搅拌下反应6小时,然后加入一定量的634液体环氧树脂,在80℃搅拌下反应5小时而成,溶剂A为环己酮。
增强型隔热反射涂层中层漆配方为:
环氧树脂:13份;
鳞片状填料:15份;
空心玻璃微珠:28份;
羟基固化剂:14份;
溶剂B:24份。
本实施例中鳞片状填料为云母氧化铁粉、石墨粉、云母粉,混合比例为1:1:1,空心玻璃微珠为粒径500-300目:200-100目:40-20目=5:3:2的比例混合物;羟基固化剂为聚氨酯树脂,NCO含量为7--9%,溶剂B为二甲苯。
增强型隔热反射涂层面漆配方为:
成膜物树脂:40份;
纳米金属氧化物:9份;
金红石型钛白粉:11份;
耐候性固化剂:17份;
溶剂C:10份。
本实施例中成膜物树脂为氟碳树脂、聚硅氧烷树脂按质量比1:1混合而成,纳米金属氧化物为纳米二氧化钛、纳米氧化锡、纳米氧化锆、纳米三氧化二铝按质量比1:1:1:1混合而成,耐候性固化剂为脂肪族聚氨酯固化剂,NCO%=16--22%,溶剂为甲基异丁基酮。
本实施例中渗透性带锈防锈底漆采用辊涂方式施工,二道施涂,漆膜厚度共60微米;增强型隔热反射涂涂层中涂漆采用拉毛辊筒辊涂施工,一道施涂,漆膜厚度180微米;增强型隔热反射涂层面漆采用刷涂方式施工,两道施涂,漆膜厚度50微米。
对本实施例的渗透性带锈防锈底漆进行防腐性能验证,防腐性能指标如下:耐盐水:30天不生锈、不脱落、不开裂,耐盐雾:2000小时不生锈、不开裂、不脱落,耐湿热:2000小时不生锈、不开裂、不脱落。对增强型隔热反射涂涂层中涂漆主要性能指标:施工性:适合拉毛辊筒辊涂施工,施涂凹处干膜厚度200微米;拉毛成形凹凸2000微米。配套性:与底漆附着力优异;与面漆附着力优异增强型隔热反射涂涂层面漆主要性能指标:耐候性:5000小时保光性95%;5000小时保色性变色2级,不粉化,不开裂,不脱落。配套涂层主要性能指标:防腐性:耐盐水:50天不生锈、不脱落、不开裂,耐盐雾:5000小时不生锈、不开裂、不脱落耐湿热:5000小时不生锈、不开裂、不脱落耐候性:8000小时保光性95%;8000小时保色性变色2级,不粉化,不开裂,不脱落。隔热反射性能:与空白组对比400--750纳米波长的可见及近红外线照射24小时后容器内温度相差8-12℃。空白组56-58℃,实验组44-48℃。
实施例2
增强型隔热反射涂层,所述涂层由底层、中层、面层组成,按质量份数计,
渗透性带锈防锈底漆配方为:
环氧树脂:10份;
防锈颜料:25份;
惰性填料:40份;
改性酮亚胺:10份;
溶剂A:35份;
本实施例中防锈颜料为氧化铁红、复合磷酸锌、磷铁粉,其混合质量比例为1:1:1;惰性填料为沉淀硫酸钡、重晶石粉,其混合质量比例为1:1;改性酮亚胺的合成与实施例1所述一样,溶剂A为环己酮、甲基异丁基酮、醇酸丁酯、二甲苯按质量比为1:1:1:1混合而成。
增强型隔热反射涂层中层漆配方为:
环氧树脂:15份;
鳞片状填料:20份;
空心玻璃微珠:35份;
羟基固化剂:15份;
溶剂B:35份。
本实施例中鳞片状填料为云母氧化铁粉、石墨粉、云母粉,混合比例为3:2:1,空心玻璃微珠为粒径500-300目:200-100目:40-20目=5:3:2的比例混合物;羟基固化剂为聚氨酯树脂,NCO含量为7--9%,溶剂B为二甲苯。
增强型隔热反射涂层面漆配方为:
成膜物树脂:50份;
纳米金属氧化物:15份;
金红石型钛白粉:15份;
耐候性固化剂:20份;
溶剂C:20份。
本实施例中成膜物树脂为氟碳树脂、聚硅氧烷树脂按质量比2:3混合而成,纳米金属氧化物为纳米二氧化钛、纳米氧化锡、纳米氧化锆、纳米三氧化二铝按质量比1:1.5:1:1.5混合而成,耐候性固化剂为脂肪族聚氨酯固化剂,NCO%=16--22%,溶剂为甲基异丁基酮。
本实施例中渗透性带锈防锈底漆采用有气喷涂方式施工,二道施涂,漆膜厚度共80微米;增强型隔热反射涂涂层中涂漆采用拉毛辊筒辊涂施工,一道施涂,凹处漆膜厚度200微米,拉毛成形凹凸2000微米;增强型隔热反射涂层面漆采用有气喷涂方式施工,两道施涂,漆膜厚度70微米。
实施例3
增强型隔热反射涂层,所述涂层由底层、中层、面层组成,按质量份数计,
渗透性带锈防锈底漆配方为:
环氧树脂:5份;
防锈颜料:15份;
惰性填料:20份;
改性酮亚胺:5份;
溶剂A:15份;
本实施例中防锈颜料为氧化铁红、复合磷酸锌、锌粉、磷铁粉,其混合质量比例为1:2:3;惰性填料为沉淀硫酸钡、重晶石粉,其混合质量比例为5:1;改性酮亚胺的合成与实施例1所述一样。
增强型隔热反射涂层中层漆配方为:
环氧树脂:10份;
鳞片状填料:10份;
空心玻璃微珠:15份;
羟基固化剂:10份;
溶剂B:15份。
本实施例中鳞片状填料为云母氧化铁粉、石墨粉、云母粉,混合比例为1:5:7,空心玻璃微珠为粒径500-300目:200-100目:40-20目=5:3:2的比例混合物;羟基固化剂为聚氨酯树脂,NCO含量为7--9%,溶剂B为二甲苯。
增强型隔热反射涂层面漆配方为:
成膜物树脂:40份;
纳米金属氧化物:5份;
金红石型钛白粉:10份;
耐候性固化剂:15份;
溶剂C:18份。
本实施例中成膜物树脂为氟碳树脂、聚硅氧烷树脂按质量比1:1混合而成,纳米金属氧化物为纳米二氧化钛、纳米氧化锡、纳米氧化锆、纳米三氧化二铝按质量比1:1:1:1混合而成,耐候性固化剂为脂肪族聚氨酯固化剂,NCO%=16--22%,溶剂为甲基异丁基酮。
本实施例中渗透性带锈防锈底漆采用辊涂方式施工,二道施涂,漆膜厚度共70微米;增强型隔热反射涂涂层中涂漆采用拉毛辊筒辊涂施工,一道施涂,拉毛辊筒辊涂施工;施涂凹处干膜厚度200微米;拉毛成形凹凸2000微米;增强型隔热反射涂层面漆采用刷涂方式施工,两道施涂,漆膜厚度60微米。
参照实施例1所述对实施例2、3进行性能验证,其验证结果与实施例1得到的验证结果相似,均具有非常好的隔热反射效果,并且具有良好的防腐性能。
从以上实施例可进一步论证,:本发明公开的增强型隔热反射涂层采用渗透性的带锈防锈底漆可以提高涂层的防腐蚀性能;增强型隔热反射涂涂层中涂漆采用多种粗细差距较大的中空球型玻璃微珠作为隔热骨料,通过特殊的拉毛工具使涂层表现拉毛效果,达到增大涂层表面积,从而增强涂层隔热效果并有助于增强面涂层反射效果;增强型隔热反射涂涂层采用纳米级金属氧化物作为反射功能型材料,增强其对可见光或近红外线的反射功能,采用氟碳树脂、聚硅氧烷树脂作为成膜物增强涂层的抗老化性能。
最后说明的是,以上优选实施例仅用以说明本发明的技术方案而非限制,尽管通过上述优选实施例已经对本发明进行了详细的描述,但本领域技术人员应当理解,可以在形式上和细节上对其作出各种各样的改变,而不偏离本发明权利要求书所限定的范围。
Claims (8)
1.增强型隔热反射涂层,所述涂层由底层、中层、面层组成,其特征在于,按质量份数计,所述底层的漆配方为:环氧树脂:5—10份;防锈颜料:15—25份;惰性填料:20—40份;改性酮亚胺:5—10份;溶剂A:15—35份;所述中层的漆配方为:环氧树脂:10—15份;鳞片状填料:10—20份;空心玻璃微珠:15—35份;羟基固化剂:10—15份;溶剂B:15—35份;所述面层的漆配方为:成膜物树脂:40—50份;纳米金属氧化物:5—15份;金红石型钛白粉:10—15份;耐候性固化剂:15—20份;溶剂C:10—20份。
2.根据权利要求1所述增强型隔热反射涂层,其特征在于,所述底层的漆配方中,防锈颜料包括氧化铁红、复合磷酸锌、锌粉、磷铁粉,惰性填料包括沉淀硫酸钡、重晶石粉,改性酮亚胺为环氧树脂、二乙烯三胺、甲基异丁基酮经缩合反应的产物。
3.根据权利要求1所述增强型隔热反射涂层,其特征在于,所述中层的漆配方中,鳞片状填料包括云母氧化铁粉、石墨粉、云母粉,羟基固化剂为聚氨酯树脂,NCO含量为7~9%。
4.根据权利要求1所述增强型隔热反射涂层,其特征在于,所述中层的漆配方中,空心玻璃微珠由粒径为500-300目、200-100目、40-20目的空心玻璃微珠按5:3:2的质量比例混合而成。
5.根据权利要求1所述增强型隔热反射涂层,其特征在于,所述面层的漆配方中,成膜物树脂为氟碳树脂、聚硅氧烷树脂中的一种或几种。
6.根据权利要求1所述增强型隔热反射涂层,其特征在于,所述纳米金属氧化物为纳米二氧化钛、纳米氧化锡、纳米氧化锆、纳米三氧化二铝的任意一种或几种,所述耐候性固化剂为脂肪族聚氨酯固化剂,NCO%=16~22%。
7.根据权利要求1所述增强型隔热反射涂层,其特征在于,所述溶剂A、溶剂B、溶剂C为环己酮、甲基异丁基酮、醇酸丁酯、二甲苯中的一种或几种。
8.根据权利要求1~7任一项所述增强型隔热反射涂层,其特征在于,所述底层、中层、面层的厚度分别为60-80微米、180-220微米、50-70微米。
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