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新型乙烯基磺酸钠⁻2-丙烯酰胺-2-甲基丙磺酸钠-磁铁矿冷冻凝胶纳米复合材料在快速去除工业废水中亚甲基蓝的应用。

Application of New Sodium Vinyl Sulfonate⁻co-2-Acrylamido-2-me[thylpropane Sulfonic Acid Sodium Salt-Magnetite Cryogel Nanocomposites for Fast Methylene Blue Removal from Industrial Waste Water.

作者信息

Al-Hussain Sami A, Atta Ayman M, Al-Lohedan Hamad A, Ezzat Abdelrahman O, Tawfeek Ahmed M

机构信息

Department of Chemistry, Faculty of Science, Al Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11451, Saudi Arabia.

Surfactants Research Chair, Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia.

出版信息

Nanomaterials (Basel). 2018 Oct 25;8(11):878. doi: 10.3390/nano8110878.

DOI:10.3390/nano8110878
PMID:30366475
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6265728/
Abstract

Inorganic nanoparticles based on magnetite were used to improve the mechanical, thermal, and magnetic properties of microporous cryogel polymer composites. Here we report the synthesis of microporous cryogel based on the crosslinked sodium vinyl sulfonate (Na-VS) and 2-acrylamido-2-methylpropane sulfonic acid sodium salt (Na-AMPS). The magnetite nanoparticles were incorporated into Na-VS/Na-AMPS cryogel networks either during its crosslinking polymerization or by the technique after its crosslinking. The morphology, particle sizes, thermal stability, and magnetite contents of Na-VS/Na-AMPS cryogel and its magnetite composite were investigated. The prepared Na-VS/Na-AMPS cryogel and its magnetite composite were used as adsorbents for methylene blue (MB) cationic dye using optimum conditions. The magnetite Na-VS/Na-AMPS cryogel composite prepared by in-situ technique achieved the best adsorption MB removal capacity for 7 cycles among the other adsorbents via chemical adsorption mechanism at room temperature.

摘要

基于磁铁矿的无机纳米颗粒被用于改善微孔冷冻凝胶聚合物复合材料的机械、热和磁性能。在此，我们报告了基于交联的乙烯磺酸钠（Na-VS）和2-丙烯酰胺-2-甲基丙烷磺酸钠盐（Na-AMPS）合成微孔冷冻凝胶的过程。磁铁矿纳米颗粒在其交联聚合过程中或交联后通过该技术被引入到Na-VS/Na-AMPS冷冻凝胶网络中。研究了Na-VS/Na-AMPS冷冻凝胶及其磁铁矿复合材料的形态、粒径、热稳定性和磁铁矿含量。使用最佳条件，将制备的Na-VS/Na-AMPS冷冻凝胶及其磁铁矿复合材料用作亚甲基蓝（MB）阳离子染料的吸附剂。通过原位技术制备的磁铁矿Na-VS/Na-AMPS冷冻凝胶复合材料在室温下通过化学吸附机制，在其他吸附剂中经过7个循环实现了最佳的亚甲基蓝去除吸附容量。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/f3fc6f8ff9d0/nanomaterials-08-00878-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/9e27bc331de3/nanomaterials-08-00878-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/810135ae4d39/nanomaterials-08-00878-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/f606e92d54b9/nanomaterials-08-00878-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/7dd08259f526/nanomaterials-08-00878-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/3dae06004ba6/nanomaterials-08-00878-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/5e4c5671b159/nanomaterials-08-00878-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/f9c8a70ec994/nanomaterials-08-00878-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/d63bc15f0b3f/nanomaterials-08-00878-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/20c29de40378/nanomaterials-08-00878-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/fcf6cd651813/nanomaterials-08-00878-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/f3fc6f8ff9d0/nanomaterials-08-00878-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/9e27bc331de3/nanomaterials-08-00878-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/810135ae4d39/nanomaterials-08-00878-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/f606e92d54b9/nanomaterials-08-00878-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/7dd08259f526/nanomaterials-08-00878-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/3dae06004ba6/nanomaterials-08-00878-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/5e4c5671b159/nanomaterials-08-00878-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/f9c8a70ec994/nanomaterials-08-00878-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/d63bc15f0b3f/nanomaterials-08-00878-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/20c29de40378/nanomaterials-08-00878-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/fcf6cd651813/nanomaterials-08-00878-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a87f/6265728/f3fc6f8ff9d0/nanomaterials-08-00878-g011.jpg

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