基于蒙脱土改性的pp熔喷滤芯及其制备方法

PP melt-blowing filter element based on montmorillonoid modification and preparation method thereof

Abstract

The invention discloses a PP melt-blowing filter element based on montmorillonoid modification and a preparation method thereof. The method comprises the following steps: 1) coating a montmorillonoid surface with a polymer coating, then drying, soaking in a dilute sulfuric acid solution, and filtering to obtain activated montmorillonoid; 2) ejecting a silver nitrate solution and a hydrazine sulfate solution onto the surface of the activated montmorillonoid at the same time, and standing to obtain silver-modified montmorillonoid; 3) decocting Chinese herbal medicine in water, and filtering to obtain a Chinese herbal medicine extracting solution and a Chinese herbal medicine filter cake; 4) in the presence of shielding gas, calcining the silver-modified montmorillonoid, then soaking a product after calcining into the Chinese herbal medicine extracting solution, and filtering to obtain Chinese herbal medicine modified montmorillonoid; and 5) mixing PP, AES, methyl methacrylate, alkyl glycoside, paraffins, polyhexamethyleneguanidine phosphate, expanded vermiculite, D-glyceraldehyde, maltose, chloroplatinic acid, the Chinese herbal medicine modified montmorillonoid and the Chinese herbal medicine filter cake, and melt-blowing to obtain the PP melt-blowing filter element. The PP melt-blowing filter element has excellent filtering and antibacterial effects.
本发明公开了一种基于蒙脱土改性的PP熔喷滤芯及其制备方法,该方法为:1)将聚合物涂料涂于蒙脱土表面,接着干燥、于稀硫酸溶液中浸泡、过滤得活化蒙脱土;2)将硝酸银溶液、硫酸肼溶液同时喷射于活化蒙脱土的表面、静置得银修饰蒙脱土;3)将中草药于水中煎煮、过滤得中草药提取液和中草药滤饼;4)在保护气的存在下,将银修饰蒙脱土煅烧,接着将煅烧后产物于中草药提取液浸渍、过滤得中草药改性的蒙脱土;5)将PP、AES、甲基丙烯酸甲酯、烷基糖苷、石蜡、聚六甲基胍磷酸盐、膨胀蛭石、D‑甘油醛、麦芽糖、氯铂酸、中草药改性的蒙脱土与中草药滤饼混炼、熔喷得PP熔喷滤芯。该PP熔喷滤芯具有优异的过滤、抗菌效果。

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