High-wear-resistant anti-stripping electrostatic spinning nanofiber composite filter material and spinning method thereof

A nanofiber and composite filtration technology, applied in the field of electrospinning, can solve the problems of low strength, poor wear resistance, and the substrate and the nanofiber layer are not resistant to peeling, etc., and achieve high porosity, excellent performance, and excellent peeling resistance. Effect
CN104028047AActive Publication Date: 2014-09-10上海迅江科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
上海迅江科技有限公司
Publication Date
2014-09-10

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Abstract

The invention relates to a high-wear-resistant anti-stripping electrostatic spinning nanofiber composite filter material and a spinning method thereof. The preparation method comprises the following step: in the electrostatic spinning process, performing one-step forming by controlling and regulating the solvent concentration / pressure difference / melting points of two different polymers / an electrostatic spray solvent, so as to obtain dense three-dimensional arc-hole structural composite filter material fully adhered to fiber lapping points, wherein the gram weight of a fiber layer is 0.01 to 30 g / m<2>, the wear resistance of the composite filter material is 600 to 3,000 circles, the anti-stripping intensity is 5 to 100 MPa, the filter efficiency to 0.008-2-mircon particles reaches more than 99.99%, the resistance pressure drop is below 25 Pa, and the clogging capacity is 100 to 3,000 g / m<2>. The spinning method has the advantages of simple preparation process and low cost, and the prepared composite filter material has wide application prospects in the fields of engine filtration, air compressor filtration, gas turbine filtration, indoor air purification and filtration, high-efficiency filtration and the like.
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Description

technical field

[0001] The invention belongs to the technical field of electrospinning, and relates to a high wear-resistant and anti-stripping electrospinning nanofiber composite filter material and a spinning method thereof, in particular to a method of forming a pressure difference on both sides of a receiving substrate and releasing it in the air on the receiving side. A high abrasion and anti-stripping electrospun nanofiber composite filter material containing a certain amount of volatile solvent vapor and a spinning method thereof. Background technique

[0002] Electrospun nanofibers have the characteristics of small fiber diameter, small pore size, high porosity, and strong structure adjustability. The composite filter material prepared by combining it with the substrate has high filtration efficiency, low resistance pressure drop, high dust holding capacity and long service life. Life and other advantages make it indispensable in the fields of automotive engine filtr...

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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