CN106868854A - 一种具有可见光催化作用的材料制备方法及纺织品 - Google Patents

一种具有可见光催化作用的材料制备方法及纺织品 Download PDF

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CN106868854A
CN106868854A CN201510922338.7A CN201510922338A CN106868854A CN 106868854 A CN106868854 A CN 106868854A CN 201510922338 A CN201510922338 A CN 201510922338A CN 106868854 A CN106868854 A CN 106868854A
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冯冠华
仇健
冯嘉炜
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JIANGSU KANGRUN PURIFYING SCIENCE & TECHNOLOGY Co Ltd
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Abstract

本发明公开了一种具有可见光催化作用的材料制备方法及纺织品，制备步骤为：将硅酸酯类、醇溶液、石墨烯、表面活性剂制成A液；将钛酸酯类与醇溶液制成B液；用酸、去离子水、纳米氧化锌、纳米氧化铋制成C液；按一定比例将B液、C液配成D液；将清洗烘干的纺织品先后经过A液、D液处理，可制得具有可见光催化作用的纺织品。本发明的有益效果在于，材料制备工艺过程相对节能；充分浸渍光催化液烘干之后的纺织品，光催化液都进入纺织品纤维的微孔及表面，光催化产品则以负载光催化材料的纺织品，如：布料、绳等形式出现；通过不同离子掺杂处理，在室内可见光下产生光催化净化效果，对空气有好的净化作用。

Description

一种具有可见光催化作用的材料制备方法及纺织品
技术领域
本发明涉及光催化净化材料领域，具体涉及一种具有可见光催化作用的材料制备方法及纺织品。
背景技术
室内污染对人类健康构成极大威胁，人们对于室内污染去除越来越关注。但是，光催化产品和学术研究形式基本上都为固体颗粒，这样大大限制了其应用范围。而且，市场上具有好的日光可见光相应的光催化产品几乎没有，更进一步地，适合室内相对低光照强度的可见光净化空气产品更加罕见。
发明内容
鉴于已有技术存在的缺陷和目前市场产品的性能不足，本发明的目的是提供一种能够在室内光照条件下净化空气的具有可见光催化作用的材料的制备方法及纺织品。
为实现上述目的，本发明所采用的技术解决方案主要是通过以下技术方案来实现的。
一种具有可见光催化作用的材料制备方法及纺织品，制备步骤为：
（1）将硅酸酯类与醇溶液、1~5wt%表面活性剂、10~20wt%石墨烯在室温下强力搅拌混合，配成50~70wt%的A溶液；
（2）将钛酸酯类与醇溶液在室温下，强力搅拌混合，配成30~50wt%的B溶液；
（3）用酸调节去离子水pH=1~4，加入1~5wt‰的纳米氧化锌和1~5wt‰的纳米氧化铋，配成C溶液；
（4）将体积为上述B溶液体积5~10倍的上述C溶液与上述B溶液强力混合水解，制得D液；
（5）将纺织品用去离子水和洗涤剂清洗3遍，再烘干；
（6）将上述纺织物投入上述A溶液中浸渍1~15min，80~140℃烘干；
（7）再将上述步骤（6）中经烘干的纺织物投入上述D溶液中浸渍1~15min，100~200℃烘干，即可制得具有可见光催化作用的纺织品；
进一步地，上述步骤（1）中，上述所使用的硅酸酯类为正硅酸乙酯、正硅酸丁酯、硅酸异丙酯中的一种；
进一步地，上述步骤（1）、（2）中，上述所使用的醇溶液为甲醇、乙醇、乙二醇、丙二醇中的一种；
进一步地，上述步骤（1）中，上述所使用的表面活性剂为聚乙二醇辛基苯基醚、月桂酸聚氧乙烯酯、脂肪醇聚氧乙烯醚中的一种；
进一步地，上述步骤（2）中，上述所使用的钛酸酯类为四氯化钛、钛酸乙酯、钛酸丁酯、钛酸异丙酯中的一种；
进一步地，上述步骤（3）中，上述所使用的酸为乙酸、盐酸、硫酸、硝酸、磷酸的一种；
进一步地，上述步骤（1）中，上述A溶液中硅酸酯类百分比浓度优选为50~60wt%，上述表面活性剂百分比浓度优选为1~2wt%，上述石墨烯百分比浓度优选为10~15wt%；
进一步地，上述步骤（2）中，上述B溶液中钛酸酯类百分比浓度优选为40~50wt%；
进一步地，上述步骤（3）中，上述pH优选为1~2，上述纳米氧化锌百分比浓度优选为1~2wt‰，上述纳米氧化铋百分比浓度优选为1~2wt‰；
进一步地，上述D溶液中，上述C溶液与上述B溶液体积比优选为8~10；
进一步地，上述步骤（6）中，上述浸渍时间优选为3~8min，上述烘干温度优选为80~100℃；
进一步地，上述步骤（7）中，上述浸渍时间优选为3~8min，上述烘干温度优选为100~150℃；
本发明的有益效果在于，材料制备工艺过程相对节能；充分浸渍光催化液烘干之后的纺织品，光催化液都进入纺织品纤维的微孔及表面，光催化产品则以负载光催化材料的纺织品，如：布料、绳等形式出现；通过不同离子掺杂处理，在室内可见光下产生光催化净化效果，对空气有好的净化作用。
附图说明
图1是实施例1中布料的在可见光催化材料处理前后的局部显微图，A为纺织品处理前，B为纺织品处理后；
图2是实施例1中有可见光催化作用的纺织品去除甲醛测试结果。
具体实施方式
实施例1：
配制50wt%硅酸乙酯-甲醇溶液，其中含1wt%月桂酸聚氧乙烯酯和10wt%石墨烯，制得A液。配制50wt%的钛酸乙酯-甲醇溶液，制得B液。配制含纳米氧化锌1wt‰，纳米氧化铋1wt‰的乙酸-去离子水溶液，制得C液。将C液和B液按8:1的体积比混合，制得D液。将一块用棉质布料用去离子水和洗涤剂清洗3遍，再烘干。将上述纺织物投入A溶液中浸渍3min，80℃烘干。再将A溶液处理后的纺织物投入上述D溶液中浸渍5min，100℃烘干，即制得光催化布。
实施例2：
裁剪实施例1中的光催化布1m ×1m一块，参考方法QB/T 2761-2006、GB 18883-2002和GB/T 18204-2000，初始甲醛投放量为1mg/m3，光源为30w日光灯，照射布料持续时间为48h，温度为23℃，相对湿度为30%，结果显示甲醛10小时去除率达90%，48小时去除率达93.6%。

Claims (12)

1. 一种具有可见光催化作用的材料制备方法及纺织品，其特征在于，制备步骤为：
（1）将硅酸酯类与醇溶液、1~5wt%表面活性剂、10~20wt%石墨烯在室温下强力搅拌混合，配成50~70wt%的A溶液；
（2）将钛酸酯类与醇溶液在室温下，强力搅拌混合，配成30~50wt%的B溶液；
（3）用酸调节去离子水pH=1~4，加入1~5wt‰的纳米氧化锌和1~5wt‰的纳米氧化铋，配成C溶液；
（4）将体积为所述B溶液体积5~10倍的所述C溶液与所述B溶液强力混合水解，制得D液；
（5）将纺织品用去离子水和洗涤剂清洗3遍，再烘干；
（6）将所述纺织物投入所述A溶液中浸渍1~15min，80~140℃烘干；
（7）再将所述步骤（6）中经烘干的纺织物投入所述D溶液中浸渍1~15min，100~200℃烘干，即可制得具有可见光催化作用的纺织品。
2. 根据权利要求1所述的制备方法，其特征在于，所述步骤（1）中，所述所使用的硅酸酯类为正硅酸乙酯、正硅酸丁酯、硅酸异丙酯中的一种。
3. 根据权利要求1所述的制备方法，其特征在于，所述步骤（1）、（2）中，所述所使用的醇溶液为甲醇、乙醇、乙二醇、丙二醇中的一种。
4. 根据权利要求1所述的制备方法，其特征在于，所述步骤（1）中，所述所使用的表面活性剂为聚乙二醇辛基苯基醚、月桂酸聚氧乙烯酯、脂肪醇聚氧乙烯醚中的一种。
5. 根据权利要求1所述的制备方法，其特征在于，所述步骤（2）中，所述所使用的钛酸酯类为四氯化钛、钛酸乙酯、钛酸丁酯、钛酸异丙酯中的一种。
6. 根据权利要求1所述的制备方法，其特征在于，所述步骤（3）中，所述所使用的酸为乙酸、盐酸、硫酸、硝酸、磷酸的一种。
7. 根据权利要求1所述的制备方法，其特征在于，所述步骤（1）中，所述A溶液中硅酸酯类百分比浓度优选为50~60wt%，所述表面活性剂百分比浓度优选为1~2wt%，所述石墨烯百分比浓度优选为10~15wt%。
8. 根据权利要求1所述的制备方法，其特征在于，所述步骤（2）中，所述B溶液中钛酸酯类百分比浓度优选为40~50wt%。
9. 根据权利要求1所述的制备方法，其特征在于，所述步骤（3）中，所述pH优选为1~2，所述纳米氧化锌百分比浓度优选为1~2wt‰，所述纳米氧化铋百分比浓度优选为1~2wt‰。
10.根据权利要求1所述的制备方法，其特征在于，所述D溶液中，所述C溶液与所述B溶液体积比优选为8~10。
11.根据权利要求1所述的制备方法，其特征在于，所述步骤（6）中，所述浸渍时间优选为3~8min，所述烘干温度优选为80~100℃。
12.根据权利要求1所述的制备方法，其特征在于，所述步骤（7）中，所述浸渍时间优选为3~8min，所述烘干温度优选为100~150℃。
CN201510922338.7A 2015-12-14 2015-12-14 一种具有可见光催化作用的材料制备方法及纺织品 Pending CN106868854A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110004705A (zh) * 2019-03-07 2019-07-12 江苏康润净化科技有限公司 一种具有高效光催化功能复合石墨烯的纤维织物制备方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110004705A (zh) * 2019-03-07 2019-07-12 江苏康润净化科技有限公司 一种具有高效光催化功能复合石墨烯的纤维织物制备方法
CN110004705B (zh) * 2019-03-07 2021-09-07 江苏康润净化科技有限公司 一种具有高效光催化功能复合石墨烯的纤维织物制备方法

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