CN109248670A - 一种活性炭改性膜的制备方法 - Google Patents

一种活性炭改性膜的制备方法 Download PDF

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CN109248670A
CN109248670A CN201811159506.1A CN201811159506A CN109248670A CN 109248670 A CN109248670 A CN 109248670A CN 201811159506 A CN201811159506 A CN 201811159506A CN 109248670 A CN109248670 A CN 109248670A
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潘龙
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Jiangsu Sward Environmental Protection Technology Co Ltd
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Abstract

本发明公开了一种活性炭改性膜的制备方法，先将羧甲基纤维素钠加入到水中，升温搅拌溶解，然后加入炭粉、甲基丙烯酸丙酯、聚丁二酸丁二醇酯、聚氨酯和甲醇，搅拌混合，得到混合液，然后将混合液通过球磨机进行研磨，得到研磨液，再将研磨液加入到反应容器中，在氮气保护条件下升温并搅拌后得到混合物，最后将混合物在表面平整的陶瓷面上刮制成膜，然后使用另外的陶瓷盖于膜表面，再通过热空气烘干，得到活性炭改性膜。本发明提供的方法得到的改性膜具有良好的机械性能与吸附性能。

Description

一种活性炭改性膜的制备方法
技术领域
本发明属于膜材料制备领域，具体涉及一种活性炭改性膜的制备方法。
背景技术
活性炭是由含炭为主的物质作原料，经高温炭化和活化制得的疏水性吸附剂。活性炭含有大量微孔，具有巨大的比表面积，能有效地去除色度、臭味，可去除二级出水中大多数有机污染物和某些无机物，包含某些有毒的重金属。影响活性炭吸附的因素有：活性炭的特性；被吸附物的特性和浓度；废水的PH值；悬浮固体含量等特性；接触系统及运行方式等。活性炭能有效吸附氯代烃、有机磷和氨基甲酸酯类杀虫剂，还能吸附苯醚、正硝基氯苯、萘、乙烯、二甲苯酚、苯酚、DDT、艾氏剂、烷基苯磺酸及许多酯类 和芳烃化合物。二级出水中也含有不被活性炭吸附的有机物，如蛋白质的中间降解物质，比原有的有机物更难被活性炭吸附，活性炭对THMS的去除能力较低，仅达 到23-60%。活性炭吸附法与其他处理方法联用，出现了臭氧-活性炭法、混凝-吸附活性炭法、Habberer工艺、活性炭-硅藻土法等，使活性炭的吸附周期明显延长，用量减少，处理效果和范围大幅度提高。
目前活性炭的主要作用是吸附，而主要应用手段还局限于将活性炭制备成不同的规格形状直接使用，而将活性炭作为基础材料制备其他应用范围更广的复合材料在目前的现有技术中并不多见。
发明内容
本发明的目的在于为了克服以上现有技术的不足而提供一种活性炭改性膜的制备方法，提高膜的吸附性能。
本发明的技术方案如下：
一种活性炭改性膜的制备方法，包括如下制备步骤：
步骤一，将羧甲基纤维素钠加入到水中，升温搅拌溶解，然后加入活性炭粉、甲基丙烯酸丙酯、聚丁二酸丁二醇酯、聚氨酯和甲醇，搅拌混合，得到混合液；
步骤二，将混合液通过球磨机进行研磨，得到研磨液；
步骤三，将研磨液加入到反应容器中，在氮气保护条件下升温并搅拌40-50分钟，得到混合物；
步骤四，将混合物在表面平整的陶瓷面上刮制成膜，然后使用另外的陶瓷盖于膜表面，再通过热空气烘干，得到活性炭改性膜。
所述的活性炭改性膜的制备方法，步骤一中升温搅拌溶解的温度为50-55℃。
所述的活性炭改性膜的制备方法，步骤一中加入各组分的质量份数为羧甲基纤维素钠5-8份、水180-200份、活性炭粉3-7份、甲基丙烯酸丙酯2-5份、聚丁二酸丁二醇酯1-3份、聚氨酯2-4份和甲醇50-80份。
所述的活性炭改性膜的制备方法，步骤二中研磨后混合液的粒径为5μm以下。
所述的活性炭改性膜的制备方法，步骤三中升温并搅拌的升温温度为50-55℃。
所述的活性炭改性膜的制备方法，步骤四中热空气烘干的热空气温度为60-70℃。
本发明提供的活性炭改性膜具有良好的机械性能与吸附性能，其中断裂伸长率达到了166%以上，拉伸强度达到了8MPa以上，四氯化碳吸附值达到了316mg/g以上，具有良好的综合性能。
具体实施方式
实施例1
一种活性炭改性膜的制备方法，包括如下制备步骤：
步骤一，将羧甲基纤维素钠加入到水中，升温搅拌溶解，温度为50℃，然后加入活性炭粉、甲基丙烯酸丙酯、聚丁二酸丁二醇酯、聚氨酯和甲醇，搅拌混合，得到混合液，加入各组分的质量份数为羧甲基纤维素钠5份、水180份、活性炭粉3份、甲基丙烯酸丙酯2份、聚丁二酸丁二醇酯1份、聚氨酯2份和甲醇50份；
步骤二，将混合液通过球磨机进行研磨，研磨后混合液的粒径为5μm以下，得到研磨液；
步骤三，将研磨液加入到反应容器中，在氮气保护条件下升温并搅拌40分钟，升温温度为50℃，得到混合物；
步骤四，将混合物在表面平整的陶瓷面上刮制成膜，然后使用另外的陶瓷盖于膜表面，再通过热空气烘干，热空气烘干的热空气温度为60℃，得到活性炭改性膜。
实施例2
一种活性炭改性膜的制备方法，包括如下制备步骤：
步骤一，将羧甲基纤维素钠加入到水中，升温搅拌溶解，温度为52℃，然后加入活性炭粉、甲基丙烯酸丙酯、聚丁二酸丁二醇酯、聚氨酯和甲醇，搅拌混合，得到混合液，加入各组分的质量份数为羧甲基纤维素钠6份、水186份、活性炭粉4份、甲基丙烯酸丙酯3份、聚丁二酸丁二醇酯2份、聚氨酯2份和甲醇60份；
步骤二，将混合液通过球磨机进行研磨，研磨后混合液的粒径为5μm以下，得到研磨液；
步骤三，将研磨液加入到反应容器中，在氮气保护条件下升温并搅拌45分钟，升温温度为52℃，得到混合物；
步骤四，将混合物在表面平整的陶瓷面上刮制成膜，然后使用另外的陶瓷盖于膜表面，再通过热空气烘干，热空气烘干的热空气温度为65℃，得到活性炭改性膜。
实施例3
一种活性炭改性膜的制备方法，包括如下制备步骤：
步骤一，将羧甲基纤维素钠加入到水中，升温搅拌溶解，温度为55℃，然后加入活性炭粉、甲基丙烯酸丙酯、聚丁二酸丁二醇酯、聚氨酯和甲醇，搅拌混合，得到混合液，加入各组分的质量份数为羧甲基纤维素钠7份、水190份、活性炭粉6份、甲基丙烯酸丙酯4份、聚丁二酸丁二醇酯2份、聚氨酯3份和甲醇70份；
步骤二，将混合液通过球磨机进行研磨，研磨后混合液的粒径为5μm以下，得到研磨液；
步骤三，将研磨液加入到反应容器中，在氮气保护条件下升温并搅拌48分钟，升温温度为53℃，得到混合物；
步骤四，将混合物在表面平整的陶瓷面上刮制成膜，然后使用另外的陶瓷盖于膜表面，再通过热空气烘干，热空气烘干的热空气温度为68℃，得到活性炭改性膜。
实施例4
一种活性炭改性膜的制备方法，包括如下制备步骤：
步骤一，将羧甲基纤维素钠加入到水中，升温搅拌溶解，温度为55℃，然后加入活性炭粉、甲基丙烯酸丙酯、聚丁二酸丁二醇酯、聚氨酯和甲醇，搅拌混合，得到混合液，加入各组分的质量份数为羧甲基纤维素钠8份、水200份、活性炭粉7份、甲基丙烯酸丙酯5份、聚丁二酸丁二醇酯3份、聚氨酯4份和甲醇80份；
步骤二，将混合液通过球磨机进行研磨，研磨后混合液的粒径为5μm以下，得到研磨液；
步骤三，将研磨液加入到反应容器中，在氮气保护条件下升温并搅拌50分钟，升温温度为55℃，得到混合物；
步骤四，将混合物在表面平整的陶瓷面上刮制成膜，然后使用另外的陶瓷盖于膜表面，再通过热空气烘干，热空气烘干的热空气温度为70℃，得到活性炭改性膜。
对以上实施例制备得到的活性炭改性膜进行性能测试，结果如下：
从以上结果可以看出，本发明提供的活性炭改性膜具有良好的机械性能与吸附性能，其中断裂伸长率达到了166%以上，拉伸强度达到了8MPa以上，四氯化碳吸附值达到了316mg/g以上，具有良好的综合性能。

Claims (6)

1.一种活性炭改性膜的制备方法，其特征在于，包括如下制备步骤：
步骤一，将羧甲基纤维素钠加入到水中，升温搅拌溶解，然后加入活性炭粉、甲基丙烯酸丙酯、聚丁二酸丁二醇酯、聚氨酯和甲醇，搅拌混合，得到混合液；
步骤二，将混合液通过球磨机进行研磨，得到研磨液；
步骤三，将研磨液加入到反应容器中，在氮气保护条件下升温并搅拌40-50分钟，得到混合物；
步骤四，将混合物在表面平整的陶瓷面上刮制成膜，然后使用另外的陶瓷盖于膜表面，再通过热空气烘干，得到活性炭改性膜。
2.根据权利要求1所述的活性炭改性膜的制备方法，其特征在于，步骤一中升温搅拌溶解的温度为50-55℃。
3.根据权利要求1所述的活性炭改性膜的制备方法，其特征在于，步骤一中加入各组分的质量份数为羧甲基纤维素钠5-8份、水180-200份、活性炭粉3-7份、甲基丙烯酸丙酯2-5份、聚丁二酸丁二醇酯1-3份、聚氨酯2-4份和甲醇50-80份。
4.根据权利要求1所述的活性炭改性膜的制备方法，其特征在于，步骤二中研磨后混合液的粒径为5μm以下。
5.根据权利要求1所述的活性炭改性膜的制备方法，其特征在于，步骤三中升温并搅拌的升温温度为50-55℃。
6.根据权利要求1所述的活性炭改性膜的制备方法，其特征在于，步骤四中热空气烘干的热空气温度为60-70℃。
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CN101696309A (zh) * 2009-10-13 2010-04-21 常熟市冠日新材料有限公司 含氟薄膜及其制备方法
CN103131151A (zh) * 2013-03-29 2013-06-05 威海联桥新材料科技股份有限公司 双向拉伸复合膜用pa6/pet材料及其生产方法
CN103342028A (zh) * 2013-07-26 2013-10-09 内蒙古农业大学 一种生物可降解材料复合膜及其生产方法
CN104372440A (zh) * 2014-11-07 2015-02-25 苏州维泰生物技术有限公司 一种生物医用静电纺丝膜及其制备方法
CN105148743A (zh) * 2015-09-30 2015-12-16 江苏通瑞环保科技发展有限公司 一种添加活性炭的复合膜的制备方法
CN105233791A (zh) * 2015-09-30 2016-01-13 江苏通瑞环保科技发展有限公司 一种具有抗菌作用的活性炭复合膜的制备方法

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