CN108017965A - 一种隔热彩钢瓦的制备方法 - Google Patents
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Abstract
本发明公开一种隔热彩钢瓦的制备方法,包括以下操作步骤:(1)将彩钢瓦表面清洗干净后,表面喷洒改性液;(2)将沥青加热至170‑180℃后,向其中加入玄武岩纤维、聚己内酰胺粉混合均匀后,将混合料加入至高速剪切仪进行高温离速剪切,制得隔热添加剂;(3)将甲基丙烯酸、己二酸二缩水甘油酯、二聚亚油酸二缩水甘油酯、甲基丙烯酸十八烷醇酯、过硫酸钾混合均匀后,加热反应,制得共聚乳液;(4)将共聚乳液、隔热添加剂、N‑辛基二氨乙基甘氨酸盐酸盐、三异丙氧基铝、异丙氧基二硬脂酸酰氧基铝酸酯混合均匀后,制得彩瓦钢涂料。本发明制得的隔热彩钢瓦,具有优异的耐老化、耐腐蚀、防水性能,尤其是具有优异的隔热效果。
Description
技术领域
本发明属于彩钢瓦制备技术领域,具体涉及一种隔热彩钢瓦的制备方法。
背景技术
彩钢瓦,又称:彩色压型瓦,是采用彩色涂层钢板,经辊压冷弯成各种波型的压型板。它适用于工业与民用建筑、仓库、特种建筑、大跨度钢结构房屋的屋面、墙面以及内外墙装饰等,具有质轻、高强、色泽丰富、施工方便快捷、抗震、防火、防雨、寿命长、免维护等特点,现已被广泛推广应用。但是现有技术中的彩钢瓦均不具有隔热的效果。
发明内容
为了解决上述技术问题,本发明提供一种隔热彩钢瓦的制备方法。
本发明是通过以下技术方案实现的。
一种隔热彩钢瓦的制备方法,包括以下操作步骤:
(1)将铺设完成后的彩钢瓦表面清洗干净后,表面喷洒改性液后,自然风干处理2-3天,其中改性液由以下重量份的组分制成:丙烯磺酸钠11-16份、木质素磺酸钠18-20份、水190-200份;
(2)按重量份计,将55-60份沥青加热至170-180℃后,向其中加入10-12份玄武岩纤维、4-8份聚己内酰胺粉混合均匀后,将混合料加入至高速剪切仪进行高温离速剪切,制得隔热添加剂;
(3)按重量份计,将32-35份甲基丙烯酸、13-16份己二酸二缩水甘油酯、19-25份二聚亚油酸二缩水甘油酯、15-20份甲基丙烯酸十八烷醇酯、4-8份过硫酸钾混合均匀后,加热至73-80℃后,保温反应4-5小时,制得共聚乳液;
(4)按重量份计,将46-50份共聚乳液、11-16份隔热添加剂、0.4-0.8份N-辛基二氨乙基甘氨酸盐酸盐、0.1-0.2份三异丙氧基铝、0.8-1.2份异丙氧基二硬脂酸酰氧基铝酸酯混合均匀后,制得彩瓦钢涂料,将其采用喷涂的方法,喷涂在彩钢瓦表面后,制备完成。
具体地,上述步骤(1)中,改性液的用量为250-300ml/m2。
具体地,上述玄武岩纤维的长度为2-5mm,直径为300-400μm。
具体地,步骤(4)中,彩瓦钢涂料喷涂的厚度为1.5-2.5mm。
由以上的技术方案可知,本发明的有益效果是:
本发明提供的一种隔热彩钢瓦的制备方法,操作简单,绿色环保,制得的隔热彩钢瓦,具有优异的耐老化、耐腐蚀、防水性能,尤其是具有优异的隔热效果。步骤(1)中,经过改性液处理后,可有效的增强彩瓦钢涂料在彩瓦钢表面的附着力,有效的提升了膜层的耐候性,防止膜层出现开裂漏水的现象;本发明制得的隔热添加剂,沥青可以有效的提升膜层对热量的阻隔效果,可有效的避免热量穿过膜层,造成彩瓦钢底面出现过热的现象;玄武岩纤维和聚己内酰胺粉协同作用后,可有效的提升膜层对热的反射性能;本发明制得的共聚乳液,具有优异的粘结性能和优异的隔热性能,同时具有优异的防水、防开裂性能;三异丙氧基铝的添加,既能增强膜层的致密度,又能增强膜层对热的反射性能。
具体实施方式
以下实施例用于说明本发明,但不能用来限制本发明的范围。实施例中采用的实施条件可以根据厂家的条件作进一步调整,未说明的实施条件通常为常规实验条件。
实施例1
一种隔热彩钢瓦的制备方法,包括以下操作步骤:
(1)将铺设完成后的彩钢瓦表面清洗干净后,表面喷洒改性液后,自然风干处理2天,其中改性液由以下重量份的组分制成:丙烯磺酸钠11份、木质素磺酸钠18份、水190份;
(2)按重量份计,将55份沥青加热至170℃后,向其中加入10份玄武岩纤维、4份聚己内酰胺粉混合均匀后,将混合料加入至高速剪切仪进行高温离速剪切,制得隔热添加剂;
(3)按重量份计,将32份甲基丙烯酸、13份己二酸二缩水甘油酯、19份二聚亚油酸二缩水甘油酯、15份甲基丙烯酸十八烷醇酯、4份过硫酸钾混合均匀后,加热至73℃后,保温反应4小时,制得共聚乳液;
(4)按重量份计,将46份共聚乳液、11份隔热添加剂、0.4份N-辛基二氨乙基甘氨酸盐酸盐、0.1份三异丙氧基铝、0.8份异丙氧基二硬脂酸酰氧基铝酸酯混合均匀后,制得彩瓦钢涂料,将其采用喷涂的方法,喷涂在彩钢瓦表面后,制备完成。
具体地,上述步骤(1)中,改性液的用量为250ml/m2。
具体地,上述玄武岩纤维的长度为2mm,直径为300μm。
具体地,步骤(4)中,彩瓦钢涂料喷涂的厚度为1.5mm。
实施例2
一种隔热彩钢瓦的制备方法,包括以下操作步骤:
(1)将铺设完成后的彩钢瓦表面清洗干净后,表面喷洒改性液后,自然风干处理2天,其中改性液由以下重量份的组分制成:丙烯磺酸钠13份、木质素磺酸钠19份、水195份;
(2)按重量份计,将58份沥青加热至175℃后,向其中加入11份玄武岩纤维、6份聚己内酰胺粉混合均匀后,将混合料加入至高速剪切仪进行高温离速剪切,制得隔热添加剂;
(3)按重量份计,将33份甲基丙烯酸、15份己二酸二缩水甘油酯、21份二聚亚油酸二缩水甘油酯、18份甲基丙烯酸十八烷醇酯、6份过硫酸钾混合均匀后,加热至76℃后,保温反应4.5小时,制得共聚乳液;
(4)按重量份计,将48份共聚乳液、13份隔热添加剂、0.6份N-辛基二氨乙基甘氨酸盐酸盐、0.1份三异丙氧基铝、1.0份异丙氧基二硬脂酸酰氧基铝酸酯混合均匀后,制得彩瓦钢涂料,将其采用喷涂的方法,喷涂在彩钢瓦表面后,制备完成。
具体地,上述步骤(1)中,改性液的用量为280ml/m2。
具体地,上述玄武岩纤维的长度为3mm,直径为350μm。
具体地,步骤(4)中,彩瓦钢涂料喷涂的厚度为2.0mm。
实施例3
一种隔热彩钢瓦的制备方法,包括以下操作步骤:
(1)将铺设完成后的彩钢瓦表面清洗干净后,表面喷洒改性液后,自然风干处理3天,其中改性液由以下重量份的组分制成:丙烯磺酸钠16份、木质素磺酸钠20份、水200份;
(2)按重量份计,将60份沥青加热至180℃后,向其中加入12份玄武岩纤维、8份聚己内酰胺粉混合均匀后,将混合料加入至高速剪切仪进行高温离速剪切,制得隔热添加剂;
(3)按重量份计,将35份甲基丙烯酸、16份己二酸二缩水甘油酯、25份二聚亚油酸二缩水甘油酯、20份甲基丙烯酸十八烷醇酯、8份过硫酸钾混合均匀后,加热至80℃后,保温反应5小时,制得共聚乳液;
(4)按重量份计,将50份共聚乳液、16份隔热添加剂、0.8份N-辛基二氨乙基甘氨酸盐酸盐、0.2份三异丙氧基铝、1.2份异丙氧基二硬脂酸酰氧基铝酸酯混合均匀后,制得彩瓦钢涂料,将其采用喷涂的方法,喷涂在彩钢瓦表面后,制备完成。
具体地,上述步骤(1)中,改性液的用量为300ml/m2。
具体地,上述玄武岩纤维的长度为5mm,直径为400μm。
具体地,步骤(4)中,彩瓦钢涂料喷涂的厚度为2.5mm。
分别用各实施例的方式制得隔热彩钢瓦,然后对其进行隔热测试,测试结果如表1所示:
表1 隔热彩钢瓦性能测试
项目 | 室外温度,℃ | 彩钢瓦顶面温度,℃ | 彩钢瓦底面温度,℃ |
实施例1 | 32 | 34 | 27 |
实施例2 | 34 | 36 | 28 |
实施例3 | 30 | 30 | 23 |
不涂刷彩瓦钢涂料 | 31 | 36 | 35 |
由表1可知,本发明制得的隔热彩钢瓦,具有优异的隔热性能。
应当理解的是,本发明的应用不限于上述的举例,对本领域普通技术人员来说,可以根据上述说明加以改进或变换,所有这些改进和变换都应属于本发明所附权利要求的保护范围。
Claims (4)
1.一种隔热彩钢瓦的制备方法,其特征在于,包括以下操作步骤:
(1)将铺设完成后的彩钢瓦表面清洗干净后,表面喷洒改性液后,自然风干处理2-3天,其中改性液由以下重量份的组分制成:丙烯磺酸钠11-16份、木质素磺酸钠18-20份、水190-200份;
(2)按重量份计,将55-60份沥青加热至170-180℃后,向其中加入10-12份玄武岩纤维、4-8份聚己内酰胺粉混合均匀后,将混合料加入至高速剪切仪进行高温离速剪切,制得隔热添加剂;
(3)按重量份计,将32-35份甲基丙烯酸、13-16份己二酸二缩水甘油酯、19-25份二聚亚油酸二缩水甘油酯、15-20份甲基丙烯酸十八烷醇酯、4-8份过硫酸钾混合均匀后,加热至73-80℃后,保温反应4-5小时,制得共聚乳液;
(4)按重量份计,将46-50份共聚乳液、11-16份隔热添加剂、0.4-0.8份N-辛基二氨乙基甘氨酸盐酸盐、0.1-0.2份三异丙氧基铝、0.8-1.2份异丙氧基二硬脂酸酰氧基铝酸酯混合均匀后,制得彩瓦钢涂料,将其采用喷涂的方法,喷涂在彩钢瓦表面后,制备完成。
2.根据权利要求1所述的一种隔热彩钢瓦的制备方法,其特征在于,上述步骤(1)中,改性液的用量为250-300ml/m2。
3.根据权利要求1所述的一种隔热彩钢瓦的制备方法,其特征在于,上述玄武岩纤维的长度为2-5mm,直径为300-400μm。
4.根据权利要求1所述的一种隔热彩钢瓦的制备方法,其特征在于,步骤(4)中,彩瓦钢涂料喷涂的厚度为1.5-2.5mm。
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