CN113337149B - 一种环保型空气净化涂料 - Google Patents

一种环保型空气净化涂料 Download PDF

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CN113337149B
CN113337149B CN202110670386.7A CN202110670386A CN113337149B CN 113337149 B CN113337149 B CN 113337149B CN 202110670386 A CN202110670386 A CN 202110670386A CN 113337149 B CN113337149 B CN 113337149B
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CN113337149A (zh
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孟凡芹
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Wall cool new material (Xiamen) Co., Ltd
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    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
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Abstract

本发明公开了一种环保型空气净化涂料,其特征在于,在涂料中加入除醛抗菌剂,该除醛抗菌剂采用如下方法制备,称取二水合钨酸钠和钛酸四丁酯、氯化铟,溶于体积比为(3‑5):1的异丙醇和乙二醇的溶剂中得到混合液,超声混合均匀;将尿素溶于去离子水,并将其滴入上述混合液,二水合钨酸钠和钛酸四丁酯、氯化铟、尿素摩尔比为1:1:(0.01‑0.1):(2‑4);将混合液转移到聚四氟乙烯水热反应釜中,溶剂热反应;将产物分别用无水乙醇和去离子水清洗三次,干燥,350‑400℃热处理得到空心球状In掺杂WO3‑TiO2材料,将其应用于涂料,长效除醛抗菌。

Description

一种环保型空气净化涂料
技术领域
本发明属于功能性涂料技术领域,尤其涉及一种环保型空气净化涂料及其制备方法。
背景技术
随着社会的不断发展和人们生活水平的日益提高,写字楼和住宅装修越来越豪华。然而装修带来了一系列的污染问题,室内装修材料、家具、办公设备不停的散发挥发性的有机物,包括卤代物、芳香烃、脂肪烃等。其中,甲醛和苯系物毒性大、释放周期长、难被及时消除,因此,被称为是室内主要的挥发性有毒污染物。光催化技术是在光照条件下有效分解有机小分子、有机污染物和杀灭细菌等微生物,目前逐渐成为治理空气污染的一种高效方法,并被广发应用于涂料中;然而涂料用光催化材料基本都是将多种不同的光催化材料简单混合而成,缺乏对光催化材料结构以及材料复合的优化设计,光催化性能不佳。
发明内容
本发明的目的在于提供一种环保型空气净化涂料,以解决上述背景技术中提出的问题。
一种环保型空气净化涂料,在涂料中加入除醛抗菌剂,该除醛抗菌剂采用如下方法制备,称取二水合钨酸钠和钛酸四丁酯、氯化铟,溶于体积比为(3-5):1的异丙醇和乙二醇的溶剂中得到混合液;超声混合均匀;将尿素溶于5-10ml去离子水,并将其滴入上述混合液,二水合钨酸钠和钛酸四丁酯、氯化铟摩尔比为1:1:(0.05-0.1):(2-4);将混合液转移到聚四氟乙烯水热反应釜中,溶剂热反应;将产物分别用无水乙醇和去离子水清洗三次,干燥,350-400℃热处理得到空心球状In掺杂WO3-TiO2材料。
优选的,热处理时间为1-2h;
优选的,溶剂热温度为200-210℃,反应时间为10-20h;
优选的,溶剂体积为100-120ml;
优选的,干燥温度为60-70℃。
有益效果:
通过在金属盐溶液中加入尿素并溶剂热反应,得到中空结构的纳米微球,材料的比表面积提升,接触有机污染物的以及甲醛的面积大大提高,有效的提高了降解效率;WO3-TiO2之间形成异质结,在光照条件下能够产生大量的空穴和自由电子;以In对WO3-TiO2同步掺杂有利于产生大量的氧空位,显著提升催化性能。
附图说明
附图1为本申请空心球状In掺杂WO3-TiO2材料的SEM图。
具体实施方式
实施例1
称取0.2mmol的二水合钨酸钠和0.2mmol的钛酸四丁酯、0.02mmol氯化铟,溶于100ml、体积比为3:1的异丙醇和乙二醇的溶剂中得到混合液,超声混合均匀;将0.45mmol尿素溶于10ml去离子水,并将其滴入上述混合液,将混合液转移到聚四氟乙烯水热反应釜中,200℃下溶剂热反应10h;将产物分别用无水乙醇和去离子水清洗三次,干燥,350℃热处理得到空心球状In掺杂WO3-TiO2材料。
实施例2
称取0.2mmol的二水合钨酸钠和0.2mmol的钛酸四丁酯、0.01mmol氯化铟,溶于100ml、体积比为4:1的异丙醇和乙二醇的溶剂中得到混合液,超声混合均匀;将0.45mmol尿素溶于10ml去离子水,并将其滴入上述混合液,将混合液转移到聚四氟乙烯水热反应釜中,200℃下溶剂热反应10h;将产物分别用无水乙醇和去离子水清洗三次,干燥,350℃热处理得到空心球状铟掺杂WO3-TiO2材料。
对比例1
称取0.2mmol的二水合钨酸钠和0.2mmol的钛酸四丁酯,溶于100ml、体积比为4:1的异丙醇和乙二醇的溶剂中得到混合液,超声混合均匀;将0.45mmol尿素溶于10ml去离子水,并将其滴入上述混合液,将混合液转移到聚四氟乙烯水热反应釜中,200℃下溶剂热反应10h;将产物分别用无水乙醇和去离子水清洗三次,干燥,350℃热处理得到WO3-TiO2材料。
对比例2
称取0.2mmol的二水合钨酸钠、0.01mmol氯化铟,溶于100ml、体积比为4:1的异丙醇和乙二醇的溶剂中得到混合液,超声混合均匀;将0.045mmol尿素溶于10ml去离子水,并将其滴入上述混合液,将混合液转移到聚四氟乙烯水热反应釜中,200℃下溶剂热反应10h;将产物分别用无水乙醇和去离子水清洗三次,干燥,350℃热处理得到In掺杂WO3材料。
对比例3
称取0.2mmol的钛酸四丁酯,0.01mmol氯化铟,溶于100ml、体积比为4:1的异丙醇和乙二醇的溶剂中得到混合液,超声混合均匀;将0.45mmol尿素溶于10ml去离子水,并将其滴入上述混合液,将混合液转移到聚四氟乙烯水热反应釜中,200℃下溶剂热反应10h;将产物分别用无水乙醇和去离子水清洗三次,干燥,350℃热处理得到In掺杂TiO2材料。
本发明的实施例1-2和对比例1-3进行空气净化性能测试,参照JC/T 1074/2008《室内空气净化功能涂覆材料净化性能》进行甲醛、甲苯吸附效率测试;参照HG/T 3950/2007《抗菌涂料标准》进行抗菌性能测试。结果如下表。
甲醛吸附率 甲苯吸附率 抗菌率
实施例1 92.0% 93.1% 99.9%
实施例2 93.4% 91.2% 99.9%
对比例1 83.1% 80.1% 89.8%
对比例2 81.5% 81.9% 81.8%
对比例3 89.2% 78.5% 92.9%
虽然,上文中已经用一般性说明及具体实施例对本发明作了详尽的描述,但在本发明基础上,可以对之作一些修改或改进,这对本领域技术人员而言是显而易见的。因此,在不偏离本发明精神的基础上所做的这些修改或改进,均属于本发明要求保护的范围。

Claims (3)

1.一种环保型空气净化涂料,其特征在于,在涂料中加入除醛抗菌剂,该除醛抗菌剂采用如下方法制备,称取二水合钨酸钠和钛酸四丁酯、氯化铟,溶于100-120mL 体积比为(3-5):1的异丙醇和乙二醇的溶剂中得到混合液,超声混合均匀;将尿素溶于5-10mL 去离子水,并将其滴入上述混合液,二水合钨酸钠和钛酸四丁酯、氯化铟、尿素摩尔比为1:1:(0.01-0.1):(2-4);将混合液转移到聚四氟乙烯水热反应釜中,溶剂热反应;将产物分别用无水乙醇和去离子水清洗三次,干燥,350-400℃热处理得到纳米空心球状In掺杂WO3-TiO2材料,其中,WO3-TiO2之间形成异质结,溶剂热温度为200-210℃,反应时间为10-20h。
2.根据权利要求1所述的一种环保型空气净化涂料,热处理时间为1-2h。
3.根据权利要求1所述的一种环保型空气净化涂料,干燥温度为60-70℃。
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CN107715864A (zh) * 2017-10-31 2018-02-23 上海纳米技术及应用国家工程研究中心有限公司 氧化钨/二氧化钛异质结复合可见光光催化剂的制备方法及其产品和应用
CN108545773B (zh) * 2018-07-17 2020-07-17 河南科技大学 一种纳米二氧化钛/三氧化钨复合材料粉末的制备方法

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