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Functional filter material capable of releasing far infrared ray and preparation method thereof

A technology of far-infrared rays and filter materials, applied in separation methods, dispersed particle filtration, chemical instruments and methods, etc., can solve the problems of single function, low filtration efficiency, large resistance pressure drop, etc., and achieve high filtration efficiency and resistance pressure drop Increase and reduce the effect of air flow resistance

Inactive Publication Date: 2017-05-10
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the shortcomings of existing air filter materials such as single function, low filter efficiency, and large resistance pressure drop, to make up for the gaps in the application of far-infrared materials in the field of air filters, and to provide a functional filter material capable of releasing far-infrared rays and its Preparation

Method used

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  • Functional filter material capable of releasing far infrared ray and preparation method thereof
  • Functional filter material capable of releasing far infrared ray and preparation method thereof
  • Functional filter material capable of releasing far infrared ray and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0047] Such as figure 1 As shown, the functional filter material capable of releasing far-infrared rays in this embodiment includes a substrate 11 and a nanofiber membrane disposed on the substrate 11. The nanofiber membrane includes hierarchical units, and each hierarchical unit includes nano The planar layer 12 formed by random aggregation of fibers 14 and the cavity structure 13 formed by directional arrangement and stacking of nanofibers 14 arranged on the planar layer 12, part of the cavity structure 13 is filled with a substance 15 that can release far-infrared rays, Such as figure 2 As shown, the nanofiber 14 is also doped with a substance 15 that can emit far-infrared rays. The nanofibrous membrane also includes a planar layer 12 composed of randomly assembled nanofibers, and the planar layer 12 is arranged on the uppermost hierarchical unit.

[0048] Substrate 11 is Huayang F120 non-woven fabric with square mesh and a mesh size of 8mm 2 , with a porosity of 60% an...

Embodiment 2

[0059] Such as figure 1 As shown, the functional filter material capable of releasing far-infrared rays in this embodiment includes a substrate 11 and a nanofiber membrane disposed on the substrate 11. The nanofiber membrane includes hierarchical units, and each hierarchical unit includes nano The planar layer 12 formed by random aggregation of fibers 14 and the cavity structure 13 formed by directional arrangement and stacking of nanofibers 14 arranged on the planar layer 12, part of the cavity structure 13 is filled with a substance 15 that can release far-infrared rays, Such as figure 2 As shown, the nanofiber 14 is also doped with a substance 15 that can emit far-infrared rays. The nanofibrous membrane also includes a planar layer 12 composed of randomly assembled nanofibers, and the planar layer 12 is arranged on the uppermost hierarchical unit.

[0060] The base material is Huayang F100 non-woven fabric, with a square mesh and a mesh size of 8mm 2 , with a porosity o...

Embodiment 3

[0071] Such as figure 1 As shown, the functional filter material capable of releasing far-infrared rays in this embodiment includes a substrate 11 and a nanofiber membrane disposed on the substrate 11. The nanofiber membrane includes hierarchical units, and each hierarchical unit includes nano The planar layer 12 formed by random aggregation of fibers 14 and the cavity structure 13 formed by directional arrangement and stacking of nanofibers 14 arranged on the planar layer 12, part of the cavity structure 13 is filled with a substance 15 that can release far-infrared rays, Such as figure 2 As shown, the nanofiber 14 is also doped with a substance 15 that can emit far-infrared rays. The base material is Huayang F120 non-woven fabric, with a square mesh and a mesh size of 8mm 2 , with a porosity of 60% and a grammage of 120g / m 2 , the material is polypropylene, the initial filtration efficiency is 0%, and the pressure resistance is 0Pa. The porosity of the nanofiber membran...

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Abstract

The invention provides a functional filter material capable of releasing a far infrared ray and a preparation method thereof. The functional filter material capable of releasing the far infrared ray is characterized by comprising a base material and a nanofiber membrane arranged on the base material, the nanofiber membrane comprises at least one level unit, each level unit comprises a plane layer formed by nanofiber disordered gathering and a cavity structure formed by directionally arranging and stacking nanofiber, some or all cavity structures are filled with substances capable of releasing the far infrared ray, and the nanofiber is mixed with the substances capable of releasing the far infrared ray. The functional filter material capable of releasing the far infrared ray has the advantages of being high in filter efficiency, large in resistance pressure drop, high in far infrared emissivity and the like, and has the wide application prospect in the field of air filtering.

Description

technical field [0001] The invention belongs to the field of air filtration, and relates to a functional filter material, in particular to a functional filter material capable of releasing far infrared rays and a preparation method thereof. Background technique [0002] The raging smog poses a huge threat to human health, and it is imminent to take effective measures to purify the air. Most of the existing filter materials for air purification only have the function of filtering particulate matter, and have the defects of low filtration efficiency and large resistance pressure drop. The preparation method of a functional filter material capable of releasing far-infrared rays of the present invention makes full use of the advantages of fine diameter, small pore size, and large specific surface area of ​​the nanofiber material, and effectively regulates the structure to obtain a nanofiber functional filter with a cavity In addition to removing particles with high efficiency a...

Claims

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Application Information

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IPC IPC(8): B01D67/00B01D69/14B01D71/28B01D71/32B01D71/34B01D71/36B01D71/38B01D71/40B01D71/48B01D71/56B01D46/00B01D46/54
CPCB01D46/0027B01D46/543B01D67/0079B01D69/141B01D71/28B01D71/32B01D71/34B01D71/36B01D71/38B01D71/40B01D71/48B01D71/56B01D2323/39
Inventor 丁彬李玉瑶赵兴雷蒋攀华婷廖亚龙印霞孙刚俞建勇
Owner DONGHUA UNIV
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