CN108435125A - 一种自清洁陶瓷纤维绳的制备方法 - Google Patents
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Abstract
一种自清洁陶瓷纤维绳的制备方法，属于环境净化材料领域，包括下述工艺步骤。将无水乙醇、正丙醇、1,3‑丁二醇、钛酸正丁酯、硼酸三丁酯在30℃搅拌形成透明溶液1，将去离子水、硝酸钇和碳酸氢钠搅拌形成透明溶液2；将陶瓷纤维绳浸渍在透明溶液1中10 min，垂直提拉出溶液，再浸渍在透明溶液2中10 min，垂直提拉出溶液，在室温下悬挂静置至表面凝固；经110℃脱水干燥后，在450~650℃氧化3~5 h，冷却至室温后即制得自清洁陶瓷纤维绳。该材料可用于各种形状的水和大气污染净化装置，并可在光照下分解有机污染物。
Description
技术领域
本发明属于环境净化材料领域，具体涉及一种自清洁陶瓷纤维绳的制备方法。
背景技术
在水和大气污染治理过程中，需要将治理污染的材料制成不同工艺过程所要求的特殊形状，以充分发挥设备和材料的净化效率。软性净化材料在流动的大气和水处理反应器中具有适应范围广、净化效率高的特点，能够随着水和大气的流动变换形状，并快速高效地吸附和去除污染物。软性材料对各种形状的反应器有较强的适应性，不需要为不同的反应器进行特殊的形状设计和制备。
软性陶瓷纤维状材料具有耐高温、耐腐蚀、无毒的特点，同时具有较高的表面积，是一种优良的流动态污染净化材料，可用于有机污染物的吸附脱除。然而，此种材料通常不具备自清洁能力，在吸附饱和后必须回收再生后才能再次使用，增大了使用中的时间消耗和费用成本。如果能够在软性陶瓷纤维材料上制备具有光催化净化活性的涂层，就可以在光照条件下实时分解吸附在材料上的有机污染物，从而达到自清洁的功能，进而可以保证长时间的使用而不须回收再生。
发明内容
针对现有技术存在的问题，本发明旨在提供一种自清洁陶瓷纤维绳的制备方法，该材料可用于各种形状的水和大气污染净化装置，并可在光照下分解材料上吸附的有机污染物。
本发明采用的技术方案是：
一种自清洁陶瓷纤维绳的制备方法，包括下述工艺步骤：
步骤1：合成钇-钛-硼三元溶液
1.1 在500 mL平底烧瓶中加入210~230 mL无水乙醇、37~40 mL正丙醇和8~9 mL 1,3-丁二醇，将烧瓶置于30℃磁力搅拌恒温水浴锅中，随后加入26~30 mL钛酸正丁酯、7~11 mL硼酸三丁酯，搅拌30 min，形成透明溶液1；
1.2 在200 mL烧杯中加入105~115 mL去离子水、6~7 g硝酸钇、5~7 g碳酸氢钠，搅拌至形成透明溶液2；
步骤2：浸渍陶瓷纤维绳
2.1 将陶瓷纤维绳（长200 mm，直径2~5 mm）浸渍在透明溶液1中，停留10 min，垂直提拉出溶液，在室温下悬挂静置；
2.2 待陶瓷纤维绳上附着的溶液不再流动后，将陶瓷纤维绳浸渍在透明溶液2中，停留10 min，垂直提拉出溶液，在室温下悬挂静置至表面凝固；
步骤3：涂层脱水和氧化
3.1 将陶瓷纤维绳置于110℃鼓风干燥箱内，保温10 h，使陶瓷纤维绳脱水干燥；
3.2 将干燥的陶瓷纤维绳置于程控箱式电炉中，保持电炉温度为450~650℃，氧化时间为3~5 h，随后冷却至室温，即制得一种自清洁陶瓷纤维绳。
所述各种化学原料都为纯料。
与现有技术相比，本发明的优点在于：
通过在陶瓷纤维绳表面涂饰具有光催化净化活性的钇-钛-硼三元氧化物涂层，使其具备在光照下分解有机污染物的能力。该新型材料不仅能够在各种形状的大气和水污染净化装置中使用，而且能够对吸附在材料表面的有机污染物进行自清洁去除，从而使其可以在不须回收再生的条件下保持长时间的使用效率。本发明提供了一种新颖的材料制备手段，所制备的自清洁陶瓷纤维绳在大气和水污染治理领域有广泛的应用前景。
具体实施方式
实施例1 一种自清洁陶瓷纤维绳的制备方法，包括下述工艺步骤：
步骤1：合成钇-钛-硼三元溶液
1.1 在500 mL平底烧瓶中加入210 mL无水乙醇、37 mL正丙醇和8 mL 1,3-丁二醇，将烧瓶置于30℃磁力搅拌恒温水浴锅中，随后加入26 mL钛酸正丁酯、7 mL硼酸三丁酯，搅拌30 min，形成透明溶液1；
1.2 在200 mL烧杯中加入105 mL去离子水、6 g硝酸钇、5 g碳酸氢钠，搅拌至形成透明溶液2；
步骤2：浸渍陶瓷纤维绳
2.1 将陶瓷纤维绳（长200 mm，直径2 mm）浸渍在透明溶液1中，停留10 min，垂直提拉出溶液，在室温下悬挂静置；
2.2 待陶瓷纤维绳上附着的溶液不再流动后，将陶瓷纤维绳浸渍在透明溶液2中，停留10 min，垂直提拉出溶液，在室温下悬挂静置至表面凝固；
步骤3：涂层脱水和氧化
3.1 将陶瓷纤维绳置于110℃鼓风干燥箱内，保温10 h，使陶瓷纤维绳脱水干燥；
3.2 将干燥的陶瓷纤维绳置于程控箱式电炉中，保持电炉温度为450℃，氧化时间为3h，随后冷却至室温，即制得一种自清洁陶瓷纤维绳。
所述各种化学原料都为纯料。
实施例2 一种自清洁陶瓷纤维绳的制备方法，包括下述工艺步骤：
步骤1：合成钇-钛-硼三元溶液
1.1 在500 mL平底烧瓶中加入220 mL无水乙醇、39 mL正丙醇和8 mL 1,3-丁二醇，将烧瓶置于30℃磁力搅拌恒温水浴锅中，随后加入28 mL钛酸正丁酯、9 mL硼酸三丁酯，搅拌30 min，形成透明溶液1；
1.2 在200 mL烧杯中加入110 mL去离子水、6 g硝酸钇、6 g碳酸氢钠，搅拌至形成透明溶液2；
步骤2：浸渍陶瓷纤维绳
2.1 将陶瓷纤维绳（长200 mm，直径3 mm）浸渍在透明溶液1中，停留10 min，垂直提拉出溶液，在室温下悬挂静置；
2.2 待陶瓷纤维绳上附着的溶液不再流动后，将陶瓷纤维绳浸渍在透明溶液2中，停留10 min，垂直提拉出溶液，在室温下悬挂静置至表面凝固；
步骤3：涂层脱水和氧化
3.1 将陶瓷纤维绳置于110℃鼓风干燥箱内，保温10 h，使陶瓷纤维绳脱水干燥；
3.2 将干燥的陶瓷纤维绳置于程控箱式电炉中，保持电炉温度为530℃，氧化时间为4h，随后冷却至室温，即制得一种自清洁陶瓷纤维绳。
所述各种化学原料都为纯料。
实施例3 一种自清洁陶瓷纤维绳的制备方法，包括下述工艺步骤：
步骤1：合成钇-钛-硼三元溶液
1.1 在500 mL平底烧瓶中加入230 mL无水乙醇、40 mL正丙醇和9 mL 1,3-丁二醇，将烧瓶置于30℃磁力搅拌恒温水浴锅中，随后加入30 mL钛酸正丁酯、11 mL硼酸三丁酯，搅拌30 min，形成透明溶液1；
1.2 在200 mL烧杯中加入115 mL去离子水、7 g硝酸钇、7 g碳酸氢钠，搅拌至形成透明溶液2；
步骤2：浸渍陶瓷纤维绳
2.1 将陶瓷纤维绳（长200 mm，直径5 mm）浸渍在透明溶液1中，停留10 min，垂直提拉出溶液，在室温下悬挂静置；
2.2 待陶瓷纤维绳上附着的溶液不再流动后，将陶瓷纤维绳浸渍在透明溶液2中，停留10 min，垂直提拉出溶液，在室温下悬挂静置至表面凝固；
步骤3：涂层脱水和氧化
3.1 将陶瓷纤维绳置于110℃鼓风干燥箱内，保温10 h，使陶瓷纤维绳脱水干燥；
3.2 将干燥的陶瓷纤维绳置于程控箱式电炉中，保持电炉温度为650℃，氧化时间为5h，随后冷却至室温，即制得一种自清洁陶瓷纤维绳。
所述各种化学原料都为纯料。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书内容所作的等效变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。
Claims (1)
1.一种自清洁陶瓷纤维绳的制备方法，其特征在于，该制备方法包括下述工艺步骤：
步骤1：合成钇-钛-硼三元溶液
1.1 在500 mL平底烧瓶中加入210~230 mL无水乙醇、37~40 mL正丙醇和8~9 mL 1,3-丁二醇，将烧瓶置于30℃磁力搅拌恒温水浴锅中，随后加入26~30 mL钛酸正丁酯、7~11 mL硼酸三丁酯，搅拌30 min，形成透明溶液1；
1.2 在200 mL烧杯中加入105~115 mL去离子水、6~7 g硝酸钇、5~7 g碳酸氢钠，搅拌至形成透明溶液2；
步骤2：浸渍陶瓷纤维绳
2.1 将陶瓷纤维绳（长200 mm，直径2~5 mm）浸渍在透明溶液1中，停留10 min，垂直提拉出溶液，在室温下悬挂静置；
2.2 待陶瓷纤维绳上附着的溶液不再流动后，将陶瓷纤维绳浸渍在透明溶液2中，停留10 min，垂直提拉出溶液，在室温下悬挂静置至表面凝固；
步骤3：涂层脱水和氧化
3.1 将陶瓷纤维绳置于110℃鼓风干燥箱内，保温10 h，使陶瓷纤维绳脱水干燥；
3.2 将干燥的陶瓷纤维绳置于程控箱式电炉中，保持电炉温度为450~650℃，氧化时间为3~5 h，随后冷却至室温，即制得一种自清洁陶瓷纤维绳。
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