Attapulgite modification based PP (polypropylene) melt-blown filter cartridge and preparation method thereof

The technology of melt-blown filter element and attapulgite is applied in the field of PP melt-blown filter element modified based on attapulgite and its preparation, which can solve the problems of restricting the development of PP filter element, filtering liquid pollution, breeding microorganisms, etc.
CN106310786AInactive Publication Date: 2017-01-11WUHU CHENGDELONG FILTER EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
WUHU CHENGDELONG FILTER EQUIP CO LTD
Publication Date
2017-01-11
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an attapulgite modification based PP (polypropylene) melt-blown filter cartridge and a preparation method thereof. The method includes: 1) coating the surface of attapulgite with polymer paint, drying, soaking in dilute sulphuric acid, and filtering to obtain activated attapulgite; 2) simultaneously spraying silver nitrate solution and hydrazine sulfate solution to the surface of attapulgite, and standing to obtain silver modified attapulgite; 3) decocting Chinese herbal medicines in water, and filtering to obtain Chinese herbal medicine extract liquor and a Chinese herbal medicine filter cake; 4) in existence of shielding gas, calcining the silver modified attapulgite, impregnating calcination products in the Chinese herbal medicine extract liquor, and filtering to obtain Chinese herbal medicine modified attapulgite; 5) mixing PP, AES, methyl methacrylate, alkyl glycoside, paraffin, polyhexamethyl guanidine phosphate, expanded vermiculite, D-glyceraldehyde, maltose, chloroplatinic acid, the Chinese herbal medicine modified attapulgite and the Chinese herbal medicine filter cake, and performing melt blowing to obtain the PP melt-blown filter cartridge. The PP melt-blown filter cartridge has excellent filtration and antibacterial effects.
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Description

technical field

[0001] The invention relates to a filter core, in particular to a PP melt-blown filter core modified based on attapulgite and a preparation method thereof. Background technique

[0002] The filter element is a filter device and the core component of the filter. Filter elements are mainly used in the following fields: electronics industry: pre-filtration of reverse osmosis water system, pre-filtration of deionized water system; food industry: filtration of beverage, beer, mineral water, etc.; chemical industry: filtration of organic solvents, ink, etc.; pharmaceutical industry: Filtration of pharmaceuticals, biological and plasma products, compressed air and gas filtration; others: filtration of electroplating solutions, metal cutting fluids, photosensitive resists and magnetic media, etc.

[0003] According to the manufacturing process, there are mainly two types of filter elements: PP filter element and wire wound filter element; among them, PP filter eleme...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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