PET织物负载ZIF-67包裹钴基纳米针阵列的制备及其空气过滤性能

doi:10.19398/j.att.202106067

现代纺织技术 ›› 2022, Vol. 30 ›› Issue (3): 73-80.DOI: 10.19398/j.att.202106067

PET织物负载ZIF-67包裹钴基纳米针阵列的制备及其空气过滤性能

王之奇¹, 王晟¹, 潘莲君², 王騊¹

1.浙江理工大学材料科学与工程学院,杭州 310018;
2.浙江省轻工业品质量检验研究院,杭州 310018

收稿日期:2021-06-25 修回日期:2021-09-01 出版日期:2022-05-10 网络出版日期:2022-05-26
通讯作者:王騊,E-mail: taotao571@hotmail.com
作者简介:王之奇(1996- ),男,浙江富阳人,硕士研究生,主要从事过滤纤维材料方面的研究。
基金资助:
浙江省自然科学基金项目(LY20E020002)

Construction of ZIF-67 coated cobalt-based nanoneedle array on PET fabric for air filtration

WANG Zhiqi¹, WANG Sheng¹, PAN Lianjun², WANG Tao¹

1. School of Materials Science & Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China;
2. Zhejiang Light Industrial Products Inspection and Research Institute, Hangzhou 310018, China

Received:2021-06-25 Revised:2021-09-01 Published:2022-05-10 Online:2022-05-26

摘要/Abstract

摘要： 为了制备具有优良过滤性能的空气过滤器,采用简便的水热合成制备法,使用Co(NO₃)₂·6H₂O作为Co源,在聚酯纤维表面垂直生长Co(CO₃)_0.5(OH)·0.11H₂O纳米针阵列(钴基纳米针阵列),并通过气相沉积的方法在钴基纳米针阵列表面原位生长具有静电吸附作用的ZIF-67晶体。通过SEM、TEM、FTIR、XRD等表征方法对制备的纤维过滤器的形貌结构以及化学构成进行分析,结果表明:气相沉积时间为24 h时的复合织物样品在0.2 m/s的气流速度下具有最佳的过滤效率(PM_2.5:90.91%,PM₁₀:92.51%)以及最大的过滤品质因数(0.038 Pa^-1)。循环使用性能测试显示,在7个循环使用情况下其还能保持85%以上的PM_2.5的空气过滤效率。

关键词: PET织物, ZIF-67, 钴基纳米针阵列, 纤维基过滤器, PM粒子, 空气过滤

Abstract: In order to prepare an air filter with excellent filtration performance, taking Co(NO₃)₂·6H₂O as a Co source, using the simple hydrothermal synthesis method, Co(CO₃)_0.5(OH)·0.11H₂O nanoneedle array(cobalt-based nanoneedle array) were grown vertically on the surface of polyester(PET) fibers, and then ZIF-67 crystals with electrostatic adsorption were in-situ grown on the surface of cobalt-based nanoneedle array by vapor deposition. The morphology, structure and chemical composition of the prepared fibrous filter were analyzed by SEM, TEM, FTIR, XRD and other characterization methods. The experiment results showed that when the vapor deposition time was 24 h, the compound fabric’s filtration efficiency was the optimal(PM_2.5: 90.91%, PM₁₀: 92.51%) at an airflow velocity of 0.2 m/s, with the maximum filter quality factor of 0.038 Pa^-1. Further recycling performance test indicated that it maintained a PM_2.5 air filtration efficiency of over 85% after 7 cycles of use.

Key words: PET fabric, ZIF-67, cobalt-based nanoneedle array, fibrous filter, PM particle, air filtration

中图分类号:

TQ340.6

王之奇, 王晟, 潘莲君, 王騊. PET织物负载ZIF-67包裹钴基纳米针阵列的制备及其空气过滤性能[J]. 现代纺织技术, 2022, 30(3): 73-80.

WANG Zhiqi, WANG Sheng, PAN Lianjun, WANG Tao. Construction of ZIF-67 coated cobalt-based nanoneedle array on PET fabric for air filtration[J]. Advanced Textile Technology, 2022, 30(3): 73-80.

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PET织物负载ZIF-67包裹钴基纳米针阵列的制备及其空气过滤性能

Construction of ZIF-67 coated cobalt-based nanoneedle array on PET fabric for air filtration

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