CN104449137A - 一种固化条件低的阻燃丙烯酸涂料 - Google Patents
一种固化条件低的阻燃丙烯酸涂料 Download PDFInfo
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Abstract
本发明公开了一种固化条件低的阻燃丙烯酸涂料,其原料按重量份包括:丙烯酸树脂63-66份,三聚氰胺甲醛树脂4-7份,醇酸树脂31-34份,丁苯橡胶2-5份,超细碳酸钙5-8份,有机膨润土1-3份,高岭土5-8份,改性氧化钇12-15份,沉淀硫酸钡2-4份,邻苯二甲酸二异辛酯2.5-2.8份,硫酸化蓖麻油1.8-2.1份,磷酸三甲苯酯3-5份,纳米氢氧化镁14-17份,催干剂5-8份,颜料15-25份,增韧剂2.1-2.4份,消泡剂0.5-0.8份,平流剂0.7-1份,防霉剂0.4-0.5份。本发明提出的固化条件低的阻燃丙烯酸涂料,具有优异的耐热阻燃和耐腐蚀防触变的性能,而且固化速度快。
Description
技术领域
本发明涉及涂料技术领域,尤其涉及一种固化条件低的阻燃丙烯酸涂料。
背景技术
现在行业中,涂料的种类繁多,涂料的配方和加工工艺的差别,所以涂料的各方面性能也参差不齐,因此如何提高涂料固化速度,提高涂料耐热阻燃性能,降低涂料固化所需条件,成为本行业领域内急需解决的问题。
发明内容
基于背景技术存在的技术问题,本发明提出了一种固化条件低的阻燃丙烯酸涂料,具有优异的耐热阻燃和耐腐蚀防触变的性能,而且固化速度快,固化所需条件低。
本发明提出的一种固化条件低的阻燃丙烯酸涂料,其原料按重量份包括:丙烯酸树脂63-66份,三聚氰胺甲醛树脂4-7份,醇酸树脂31-34份,丁苯橡胶2-5份,超细碳酸钙5-8份,有机膨润土1-3份,高岭土5-8份,改性氧化钇12-15份,沉淀硫酸钡2-4份,邻苯二甲酸二异辛酯2.5-2.8份,硫酸化蓖麻油1.8-2.1份,磷酸三甲苯酯3-5份,纳米氢氧化镁14-17份,催干剂5-8份,颜料15-25份,增韧剂2.1-2.4份,消泡剂0.5-0.8份,平流剂0.7-1份,防霉剂0.4-0.5份;
改性氧化钇的制备过程中,将铝锆偶联剂TL-4加入二氯甲烷中搅拌,再加入纳米氧化钇后,升温后继续搅拌,然后真空干燥得到混合物料A;将超支化聚磷酰胺酯加入二氯甲烷后进行搅拌,再加入混合物料A后,水浴加热得到混合物料B,水浴加热过程中不停搅拌;将混合物料B抽滤后,真空干燥得到改性氧化钇。
优选地,丙烯酸树脂、三聚氰胺甲醛树脂、醇酸树脂和丁苯橡胶的重量比为64-65:5-6:32-33:3-4。
优选地,其原料按重量份包括:丙烯酸树脂64-65份,三聚氰胺甲醛树脂5-6份,醇酸树脂32-33份,丁苯橡胶3-4份,超细碳酸钙6-7份,有机膨润土1.5-2.3份,高岭土6-7份,改性氧化钇13-14份,沉淀硫酸钡2.8-3.4份,邻苯二甲酸二异辛酯2.6-2.7份,硫酸化蓖麻油1.9-2份,磷酸三甲苯酯3.3-4.5份,纳米氢氧化镁15-16份,催干剂6-7份,颜料18-22份,增韧剂2.2-2.3份,消泡剂0.6-0.7份,平流剂0.8-0.9份,防霉剂0.4-0.5份。
优选地,改性氧化钇的制备过程中,按重量份将0.1-0.4份铝锆偶联剂TL-4加入二氯甲烷中,以200-215rpm的搅拌速度搅拌10-13min,再加入3-4份纳米氧化钇后,将温度升至72-75℃后,以510-515rpm的搅拌速度继续搅拌19-22min,真空干燥5-7h得到混合物料A,真空干燥的温度为62-65℃;按重量份将14-17份超支化聚磷酰胺酯加入二氯甲烷后,以150-165rpm的搅拌速度搅拌25-28min,再加入5-6份混合物料A后,水浴加热4-5h后得到混合物料B,水浴加热温度为68-71℃,水浴加热过程中不停搅拌;将混合物料B抽滤后,真空干燥10-12h得到改性氧化钇,真空干燥的温度为57-60℃。
优选地,改性氧化钇的制备过程中,按重量份将0.2-0.3份铝锆偶联剂TL-4加入二氯甲烷中,以205-210rpm的搅拌速度搅拌11-12min,再加入3.3-3.7份纳米氧化钇后,将温度升至73-74℃后,以512-513rpm的搅拌速度继续搅拌20-21min,真空干燥5.5-6.7h得到混合物料A,真空干燥的温度为63-64℃;按重量份将15-16份超支化聚磷酰胺酯加入二氯甲烷后,以155-160rpm的搅拌速度搅拌26-27min,再加入5.3-5.6份混合物料A后,水浴加热4.4-4.8h后得到混合物料B,水浴加热温度为69-70℃,水浴加热过程中不停搅拌;将混合物料B抽滤后,真空干燥10.5-11.2h得到改性氧化钇,真空干燥的温度为58-59℃。
上述改性氧化钇的制备过程中,未对二氯甲烷的用量进行限定,是由于二氯甲烷在氧化钇改性的过程,仅仅起到溶剂的作用,而不参与反应,故无需对二氯甲烷进行限定。
本发明以丙烯酸树脂、三聚氰胺甲醛树脂、醇酸树脂和丁苯橡胶配合作为成膜物质,使本发明具有优异的附着力、耐水、耐油、耐候和耐热阻燃性能,还提高了耐热、耐光性能;超细碳酸钙、有机膨润土、高岭土、改性氧化钇和沉淀硫酸钡相互配合加入成膜物质中,提高了本发明的耐高温、耐腐蚀的性能和防触变能力,再辅以邻苯二甲酸二异辛酯和磷酸三甲苯酯可以促使超细碳酸钙、有机膨润土、高岭土、改性氧化钇和沉淀硫酸钡在成膜物质中分散均匀分散,还能提高本发明的塑性,而加入硫酸化蓖麻油作为表面活性剂,不仅提高超细碳酸钙、有机膨润土、高岭土、改性氧化钇、沉淀硫酸钡与成膜物质的相容性,而且可与成膜物质中的有机高分子结合,改变本发明的亲水亲油性,为本发明的载体选择提高更多的选择;改性氧化钇是通过采用超支化聚磷酰胺酯通过铝锆偶联剂接枝氧化钇,使本发明的固化活化能降低,还降低固化速率常数,与催干剂相互配合,降低了固化所需温度,提高了固化的速率;磷酸三甲苯酯和纳米氢氧化镁配合形成阻燃体系,大幅提高本发明的耐热阻燃性能,其中磷酸三甲苯酯作为磷系阻燃剂,而纳米氢氧化镁在受热燃烧的过程中,可分解生成水和氧化镁,不仅可以抑制烟雾的产生,还能进一步提高本发明耐高温性能。
具体实施方式
下面,通过具体实施例对本发明的技术方案进行详细说明。
实施例1
本发明提出的一种固化条件低的阻燃丙烯酸涂料,其原料按重量份包括:丙烯酸树脂63份,三聚氰胺甲醛树脂7份,醇酸树脂31份,丁苯橡胶5份,超细碳酸钙5份,有机膨润土3份,高岭土5份,改性氧化钇15份,沉淀硫酸钡2份,邻苯二甲酸二异辛酯2.8份,硫酸化蓖麻油1.8份,磷酸三甲苯酯5份,纳米氢氧化镁14份,催干剂8份,颜料15份,增韧剂2.4份,消泡剂0.5份,平流剂1份,防霉剂0.4份;改性氧化钇的制备过程中,按重量份将0.2份铝锆偶联剂TL-4加入二氯甲烷中,以210rpm的搅拌速度搅拌11min,再加入3.7份纳米氧化钇后,将温度升至73℃后,以513rpm的搅拌速度继续搅拌20min,真空干燥6.7h得到混合物料A,真空干燥的温度为63℃;按重量份将16份超支化聚磷酰胺酯加入二氯甲烷后,以155rpm的搅拌速度搅拌27min,再加入5.3份混合物料A后,水浴加热4.8h后得到混合物料B,水浴加热温度为69℃,水浴加热过程中不停搅拌;将混合物料B抽滤后,真空干燥11.2h得到改性氧化钇,真空干燥的温度为58℃。
实施例2
本发明提出的一种固化条件低的阻燃丙烯酸涂料,其原料按重量份包括:丙烯酸树脂64份,三聚氰胺甲醛树脂6份,醇酸树脂32份,丁苯橡胶4份,超细碳酸钙6份,有机膨润土2.3份,高岭土6份,改性氧化钇14份,沉淀硫酸钡2.8份,邻苯二甲酸二异辛酯2.7份,硫酸化蓖麻油1.9份,磷酸三甲苯酯4.5份,纳米氢氧化镁15份,催干剂7份,颜料18份,增韧剂2.3份,消泡剂0.6份,平流剂0.9份,防霉剂0.4份;改性氧化钇的制备过程中,按重量份将0.4份铝锆偶联剂TL-4加入二氯甲烷中,以200rpm的搅拌速度搅拌13min,再加入3份纳米氧化钇后,将温度升至75℃后,以510rpm的搅拌速度继续搅拌22min,真空干燥5h得到混合物料A,真空干燥的温度为65℃;按重量份将14份超支化聚磷酰胺酯加入二氯甲烷后,以165rpm的搅拌速度搅拌25min,再加入6份混合物料A后,水浴加热4h后得到混合物料B,水浴加热温度为71℃,水浴加热过程中不停搅拌;将混合物料B抽滤后,真空干燥10h得到改性氧化钇,真空干燥的温度为60℃。
实施例3
本发明提出的一种固化条件低的阻燃丙烯酸涂料,其原料按重量份包括:丙烯酸树脂65份,三聚氰胺甲醛树脂5份,醇酸树脂33份,丁苯橡胶3份,超细碳酸钙7份,有机膨润土1.5份,高岭土7份,改性氧化钇13份,沉淀硫酸钡3.4份,邻苯二甲酸二异辛酯2.6份,硫酸化蓖麻油2份,磷酸三甲苯酯3.3份,纳米氢氧化镁16份,催干剂6份,颜料22份,增韧剂2.2份,消泡剂0.7份,平流剂0.8份,防霉剂0.5份;改性氧化钇的制备过程中,按重量份将0.3份铝锆偶联剂TL-4加入二氯甲烷中,以205rpm的搅拌速度搅拌12min,再加入3.3份纳米氧化钇后,将温度升至74℃后,以512rpm的搅拌速度继续搅拌21min,真空干燥5.5h得到混合物料A,真空干燥的温度为64℃;按重量份将15份超支化聚磷酰胺酯加入二氯甲烷后,以160rpm的搅拌速度搅拌26min,再加入5.6份混合物料A后,水浴加热4.4h后得到混合物料B,水浴加热温度为70℃,水浴加热过程中不停搅拌;将混合物料B抽滤后,真空干燥10.5h得到改性氧化钇,真空干燥的温度为59℃。
实施例4
本发明提出的一种固化条件低的阻燃丙烯酸涂料,其原料按重量份包括:丙烯酸树脂66份,三聚氰胺甲醛树脂4份,醇酸树脂34份,丁苯橡胶2份,超细碳酸钙8份,有机膨润土1份,高岭土8份,改性氧化钇12份,沉淀硫酸钡4份,邻苯二甲酸二异辛酯2.5份,硫酸化蓖麻油2.1份,磷酸三甲苯酯3份,纳米氢氧化镁17份,催干剂5份,颜料25份,增韧剂2.1份,消泡剂0.8份,平流剂0.7份,防霉剂0.5份;改性氧化钇的制备过程中,按重量份将0.1份铝锆偶联剂TL-4加入二氯甲烷中,以215rpm的搅拌速度搅拌10min,再加入4份纳米氧化钇后,将温度升至72℃后,以515rpm的搅拌速度继续搅拌19min,真空干燥7h得到混合物料A,真空干燥的温度为62℃;按重量份将17份超支化聚磷酰胺酯加入二氯甲烷后,以150rpm的搅拌速度搅拌28min,再加入5份混合物料A后,水浴加热5h后得到混合物料B,水浴加热温度为68℃,水浴加热过程中不停搅拌;将混合物料B抽滤后,真空干燥12h得到改性氧化钇,真空干燥的温度为57℃。
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 (5)
1.一种固化条件低的阻燃丙烯酸涂料,其特征在于,其原料按重量份包括:丙烯酸树脂63-66份,三聚氰胺甲醛树脂4-7份,醇酸树脂31-34份,丁苯橡胶2-5份,超细碳酸钙5-8份,有机膨润土1-3份,高岭土5-8份,改性氧化钇12-15份,沉淀硫酸钡2-4份,邻苯二甲酸二异辛酯2.5-2.8份,硫酸化蓖麻油1.8-2.1份,磷酸三甲苯酯3-5份,纳米氢氧化镁14-17份,催干剂5-8份,颜料15-25份,增韧剂2.1-2.4份,消泡剂0.5-0.8份,平流剂0.7-1份,防霉剂0.4-0.5份;
改性氧化钇的制备过程中,将铝锆偶联剂TL-4加入二氯甲烷中搅拌,再加入纳米氧化钇后,升温后继续搅拌,然后真空干燥得到混合物料A;将超支化聚磷酰胺酯加入二氯甲烷后进行搅拌,再加入混合物料A后,水浴加热得到混合物料B,水浴加热过程中不停搅拌;将混合物料B抽滤后,真空干燥得到改性氧化钇。
2.根据权利要求1所述固化条件低的阻燃丙烯酸涂料,其特征在于,丙烯酸树脂、三聚氰胺甲醛树脂、醇酸树脂和丁苯橡胶的重量比为64-65:5-6:32-33:3-4。
3.根据权利要求1或2所述固化条件低的阻燃丙烯酸涂料,其特征在于,其原料按重量份包括:丙烯酸树脂64-65份,三聚氰胺甲醛树脂5-6份,醇酸树脂32-33份,丁苯橡胶3-4份,超细碳酸钙6-7份,有机膨润土1.5-2.3份,高岭土6-7份,改性氧化钇13-14份,沉淀硫酸钡2.8-3.4份,邻苯二甲酸二异辛酯2.6-2.7份,硫酸化蓖麻油1.9-2份,磷酸三甲苯酯3.3-4.5份,纳米氢氧化镁15-16份,催干剂6-7份,颜料18-22份,增韧剂2.2-2.3份,消泡剂0.6-0.7份,平流剂0.8-0.9份,防霉剂0.4-0.5份。
4.根据权利要求1-3任一项所述固化条件低的阻燃丙烯酸涂料,其特征在于,改性氧化钇的制备过程中,按重量份将0.1-0.4份铝锆偶联剂TL-4加入二氯甲烷中,以200-215rpm的搅拌速度搅拌10-13min,再加入3-4份纳米氧化钇后,将温度升至72-75℃后,以510-515rpm的搅拌速度继续搅拌19-22min,真空干燥5-7h得到混合物料A,真空干燥的温度为62-65℃;按重量份将14-17份超支化聚磷酰胺酯加入二氯甲烷后,以150-165rpm的搅拌速度搅拌25-28min,再加入5-6份混合物料A后,水浴加热4-5h后得到混合物料B,水浴加热温度为68-71℃,水浴加热过程中不停搅拌;将混合物料B抽滤后,真空干燥10-12h得到改性氧化钇,真空干燥的温度为57-60℃。
5.根据权利要求1-4任一项所述固化条件低的阻燃丙烯酸涂料,其特征在于,改性氧化钇的制备过程中,按重量份将0.2-0.3份铝锆偶联剂TL-4加入二氯甲烷中,以205-210rpm的搅拌速度搅拌11-12min,再加入3.3-3.7份纳米氧化钇后,将温度升至73-74℃后,以512-513rpm的搅拌速度继续搅拌20-21min,真空干燥5.5-6.7h得到混合物料A,真空干燥的温度为63-64℃;按重量份将15-16份超支化聚磷酰胺酯加入二氯甲烷后,以155-160rpm的搅拌速度搅拌26-27min,再加入5.3-5.6份混合物料A后,水浴加热4.4-4.8h后得到混合物料B,水浴加热温度为69-70℃,水浴加热过程中不停搅拌;将混合物料B抽滤后,真空干燥10.5-11.2h得到改性氧化钇,真空干燥的温度为58-59℃。
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