CN109337563A - 一种高弹力的反光材料及其制备方法 - Google Patents
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Abstract
本发明公开了一种高弹力的反光材料,其原料按重量份如下:聚氨酯弹性溶液10‑15份、有机颜料15‑25份、热塑性丙烯酸树脂10‑15份、醋酸丁酯52‑57份、铝银浆1.5‑2份、防尘增稠触变剂229 2‑3份、紫外线吸收剂531 0.5‑1.0份、抗氧剂1010 0.7‑1.3份以及附着力促进剂0.2‑0.6份,一种高弹力的反光材料的制备方法,包括以下步骤:S1、制备聚氨酯弹性溶液;S2、研磨色浆;S3、制备热塑性丙烯酸树脂溶液;S4、制备反光材料。本发明制备的反光材料具有较佳力学性能,较高的弹性,以及具有优异的反光色泽,优异的户外耐候抗老化性能和逆反射性能。
Description
技术领域
本发明属于装备制造领域,更具体地说,尤其涉及一种高弹力的反光材料。同时,本发明还涉及一种高弹力的反光材料的制备方法。
背景技术
道路用反光材料主要包括反光膜和反光涂料两大类。反光膜主要用于公路交通标志标牌和机动车,反光涂料主要应用在现浇混凝土或沥青路面。其基本特性主要是利用光线的逆反射性能为交通行车安全提供保障,反光涂料的生产技术相对反光膜而言工艺相对稍为简单,反光涂料是反光玻璃微珠、路面黏结树脂、色料、防沉降剂、抗老化剂及溶剂组成。
但是现有技术用于沥青路面的反光材料不具有高弹性积极不具有优异耐候性能和高反光效果。
发明内容
本发明的目的在于提供一种高弹力的反光材料及其制备方法,以解决上述背景技术中提出的问题。
为实现上述目的,本发明提供如下技术方案:
一种高弹力的反光材料,其原料按重量份如下:聚氨酯弹性溶液10-15份、有机颜料15-25份、热塑性丙烯酸树脂10-15份、醋酸丁酯52-57份、铝银浆1.5-2份、防尘增稠触变剂2292-3份、紫外线吸收剂531 0.5-1.0份、抗氧剂1010 0.7-1.3份以及附着力促进剂0.2-0.6份。
一种高弹力的反光材料的制备方法,包括以下步骤:
S1、制备聚氨酯弹性溶液:在真空搅拌罐中加入聚酯二元醇,加热升温至100-120℃,真空脱水1-2h后,降温至80℃,加入扩链剂,快速搅拌与聚酯混合均匀后,加入异氰酸酯和催化剂,快速搅拌并真空脱泡5min左右后制得聚氨酯弹性溶液;
S2、研磨色浆:在搅拌罐中加入四分之三份额的醋酸丁酯,分散搅拌,在400 r/min的转速下加入有机颜料, 颜料加入完毕后将分散转速调整到900 r/min,高速分散30 min,然后将物料在篮式砂磨机中研磨3h,制得色浆;
S3、制备热塑性丙烯酸树脂溶液:在分散容器中加入剩余的醋酸丁酯,分散搅拌,在400r/min的转速下缓慢加入热塑性丙烯酸树脂,加料完成后将分散速度调整到900 r/min,高速分散30 min,制得热塑性丙烯酸树脂溶液;
S4、制备反光材料:将步骤S3中制备的分散后的热塑性丙烯酸树脂溶液以及步骤S1中制得聚氨酯弹性溶液倒入步骤S2中制备色浆中,以900 r/min高速分散20 min,再将防沉增稠触变剂、紫外线吸收剂、抗氧剂、附着力促进剂、铝银浆等其余物料依次加入到步骤S1中的真空搅拌罐中,以900 r/min的速度高速分散20 min,最后添加玻璃微珠,并以200 r/min的速度分散10 min即得反光材料。
优选的,所述步骤S1中聚酯二元醇、扩链剂、异氰酸酯和催化剂的质量比为1:0.61:1.01-1.05:0.2-0.25。
优选的,所述步骤S1中真空脱水后的聚酯二元醇的含水率低于0.05%。
优选的,所述步骤S1中聚酯二元醇为聚己二酸己二醇酯,所述扩链剂为1,4-丁二醇,所述异氰酸酯为1,6-己基二异氰酸酯,所述催化剂为为胺类和锡类化合物。
优选的,所述步骤S4中玻璃微珠的添加量与原料的质量比为0.5-0.7:1。
与现有技术相比,本发明的有益效果是:本发明采用聚已二酸己二醇酯,以1,4一丁二醇为扩链剂,1,6-己基二异氰酸酯以及催化剂融合,合成不黄变聚氨酯弹性溶液,将热塑性丙烯酸树脂溶液以及聚氨酯弹性溶液加入色浆中,加入其他助料后制备反光涂料,以优选的热塑性丙烯酸树脂为基本树脂,配合纳米级超细粒径预分散颜料和高折射率真空镀铝玻璃微珠为涂料体系提供颜色和逆反射性能,添加防沉增稠触变剂、紫外线吸收剂、抗氧剂、铝银浆、附着力促进剂制备成反光涂料,具有较佳力学性能,较高的弹性,以及具有优异的反光色泽,优异的户外耐候抗老化性能和逆反射性能。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合具体实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。
一种高弹力的反光材料,其原料按重量份如下:聚氨酯弹性溶液10-15份、有机颜料15-25份、热塑性丙烯酸树脂10-15份、醋酸丁酯52-57份、铝银浆1.5-2份、防尘增稠触变剂229 2-3份、紫外线吸收剂531 0.5-1.0份、抗氧剂1010 0.7-1.3份以及附着力促进剂0.2-0.6份。
一种高弹力的反光材料的制备方法,包括以下步骤:
S1、制备聚氨酯弹性溶液:在真空搅拌罐中加入聚酯二元醇,加热升温至100-120℃,真空脱水1-2h后,降温至80℃,加入扩链剂,快速搅拌与聚酯混合均匀后,加入异氰酸酯和催化剂,快速搅拌并真空脱泡5min左右后制得聚氨酯弹性溶液;
S2、研磨色浆:在搅拌罐中加入四分之三份额的醋酸丁酯,分散搅拌,在400 r/min的转速下加入有机颜料, 颜料加入完毕后将分散转速调整到900 r/min,高速分散30 min,然后将物料在篮式砂磨机中研磨3h,制得色浆;
S3、制备热塑性丙烯酸树脂溶液:在分散容器中加入剩余的醋酸丁酯,分散搅拌,在400r/min的转速下缓慢加入热塑性丙烯酸树脂,加料完成后将分散速度调整到900 r/min,高速分散30 min,制得热塑性丙烯酸树脂溶液;
S4、制备反光材料:将步骤S3中制备的分散后的热塑性丙烯酸树脂溶液以及步骤S1中制得聚氨酯弹性溶液倒入步骤S2中制备色浆中,以900 r/min高速分散20 min,再将防沉增稠触变剂、紫外线吸收剂、抗氧剂、附着力促进剂、铝银浆等其余物料依次加入到步骤S1中的真空搅拌罐中,以900 r/min的速度高速分散20 min,最后添加玻璃微珠,并以200 r/min的速度分散10 min即得反光材料。
具体的,所述步骤S1中聚酯二元醇、扩链剂、异氰酸酯和催化剂的质量比为1:0.61:1.01-1.05:0.2-0.25。
具体的,所述步骤S1中真空脱水后的聚酯二元醇的含水率低于0.05%。
具体的,所述步骤S1中聚酯二元醇为聚己二酸己二醇酯,所述扩链剂为1,4-丁二醇,所述异氰酸酯为1,6-己基二异氰酸酯,所述催化剂为为胺类和锡类化合物。
具体的,所述步骤S4中玻璃微珠的添加量与原料的质量比为0.5-0.7:1。
本发明采用聚已二酸己二醇酯,以1,4一丁二醇为扩链剂,1,6-己基二异氰酸酯以及催化剂融合,合成不黄变聚氨酯弹性溶液,将热塑性丙烯酸树脂溶液以及聚氨酯弹性溶液加入色浆中,加入其他助料后制备反光涂料,以优选的热塑性丙烯酸树脂为基本树脂,配合纳米级超细粒径预分散颜料和高折射率真空镀铝玻璃微珠为涂料体系提供颜色和逆反射性能,添加防沉增稠触变剂、紫外线吸收剂、抗氧剂、铝银浆、附着力促进剂制备成反光涂料,具有较佳力学性能,较高的弹性,以及具有优异的反光色泽,优异的户外耐候抗老化性能和逆反射性能。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (6)
1.一种高弹力的反光材料,其特征在于:其原料按重量份如下:聚氨酯弹性溶液10-15份、有机颜料15-25份、热塑性丙烯酸树脂10-15份、醋酸丁酯52-57份、铝银浆1.5-2份、防尘增稠触变剂229 2-3份、紫外线吸收剂531 0.5-1.0份、抗氧剂1010 0.7-1.3份以及附着力促进剂0.2-0.6份。
2.一种权利要求1所述的高弹力的反光材料的制备方法,其特征在于,包括以下步骤:
S1、制备聚氨酯弹性溶液:在真空搅拌罐中加入聚酯二元醇,加热升温至100-120℃,真空脱水1-2h后,降温至80℃,加入扩链剂,快速搅拌与聚酯混合均匀后,加入异氰酸酯和催化剂,快速搅拌并真空脱泡5min左右后制得聚氨酯弹性溶液;
S2、研磨色浆:在搅拌罐中加入四分之三份额的醋酸丁酯,分散搅拌,在400 r/min的转速下加入有机颜料, 颜料加入完毕后将分散转速调整到900 r/min,高速分散30 min,然后将物料在篮式砂磨机中研磨3h,制得色浆;
S3、制备热塑性丙烯酸树脂溶液:在分散容器中加入剩余的醋酸丁酯,分散搅拌,在400r/min的转速下缓慢加入热塑性丙烯酸树脂,加料完成后将分散速度调整到900 r/min,高速分散30 min,制得热塑性丙烯酸树脂溶液;
S4、制备反光材料:将步骤S3中制备的分散后的热塑性丙烯酸树脂溶液以及步骤S1中制得聚氨酯弹性溶液倒入步骤S2中制备色浆中,以900 r/min高速分散20 min,再将防沉增稠触变剂、紫外线吸收剂、抗氧剂、附着力促进剂、铝银浆等其余物料依次加入到步骤S1中的真空搅拌罐中,以900 r/min的速度高速分散20 min,最后添加玻璃微珠,并以200 r/min的速度分散10 min即得反光材料。
3.根据权利要求2所述的一种高弹力的反光材料的制备方法,其特征在于:所述步骤S1中聚酯二元醇、扩链剂、异氰酸酯和催化剂的质量比为1:0.61:1.01-1.05:0.2-0.25。
4.根据权利要求2所述的一种高弹力的反光材料的制备方法,其特征在于:所述步骤S1中真空脱水后的聚酯二元醇的含水率低于0.05%。
5.根据权利要求2所述的一种高弹力的反光材料的制备方法,其特征在于:所述步骤S1中聚酯二元醇为聚己二酸己二醇酯,所述扩链剂为1,4-丁二醇,所述异氰酸酯为1,6-己基二异氰酸酯,所述催化剂为为胺类和锡类化合物。
6.根据权利要求2所述的一种高弹力的反光材料的制备方法,其特征在于:所述步骤S4中玻璃微珠的添加量与原料的质量比为0.5-0.7:1。
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